// ==ClosureCompiler== // @compilation_level SIMPLE_OPTIMIZATIONS

/**

* @license Highcharts JS v4.0.1 (2014-04-24)
*
* (c) 2009-2014 Torstein Honsi
*
* License: www.highcharts.com/license
*/

// JSLint options: /*global Highcharts, document, window, navigator, setInterval, clearInterval, clearTimeout, setTimeout, location, jQuery, $, console, each, grep */

(function () { // encapsulated variables var UNDEFINED,

doc = document,
win = window,
math = Math,
mathRound = math.round,
mathFloor = math.floor,
mathCeil = math.ceil,
mathMax = math.max,
mathMin = math.min,
mathAbs = math.abs,
mathCos = math.cos,
mathSin = math.sin,
mathPI = math.PI,
deg2rad = mathPI * 2 / 360,

// some variables
userAgent = navigator.userAgent,
isOpera = win.opera,
isIE = /msie/i.test(userAgent) && !isOpera,
docMode8 = doc.documentMode === 8,
isWebKit = /AppleWebKit/.test(userAgent),
isFirefox = /Firefox/.test(userAgent),
isTouchDevice = /(Mobile|Android|Windows Phone)/.test(userAgent),
SVG_NS = 'http://www.w3.org/2000/svg',
hasSVG = !!doc.createElementNS && !!doc.createElementNS(SVG_NS, 'svg').createSVGRect,
hasBidiBug = isFirefox && parseInt(userAgent.split('Firefox/')[1], 10) < 4, // issue #38
useCanVG = !hasSVG && !isIE && !!doc.createElement('canvas').getContext,
Renderer,
hasTouch,
symbolSizes = {},
idCounter = 0,
garbageBin,
defaultOptions,
dateFormat, // function
globalAnimation,
pathAnim,
timeUnits,
noop = function () {},
charts = [],
chartCount = 0,
PRODUCT = 'Highcharts',
VERSION = '4.0.1',

// some constants for frequently used strings
DIV = 'div',
ABSOLUTE = 'absolute',
RELATIVE = 'relative',
HIDDEN = 'hidden',
PREFIX = 'highcharts-',
VISIBLE = 'visible',
PX = 'px',
NONE = 'none',
M = 'M',
L = 'L',
numRegex = /^[0-9]+$/,
NORMAL_STATE = '',
HOVER_STATE = 'hover',
SELECT_STATE = 'select',
MILLISECOND = 'millisecond',
SECOND = 'second',
MINUTE = 'minute',
HOUR = 'hour',
DAY = 'day',
WEEK = 'week',
MONTH = 'month',
YEAR = 'year',

// Object for extending Axis
AxisPlotLineOrBandExtension,

// constants for attributes
STROKE_WIDTH = 'stroke-width',

// time methods, changed based on whether or not UTC is used
makeTime,
timezoneOffset,
getMinutes,
getHours,
getDay,
getDate,
getMonth,
getFullYear,
setMinutes,
setHours,
setDate,
setMonth,
setFullYear,

// lookup over the types and the associated classes
seriesTypes = {};

// The Highcharts namespace var Highcharts = win.Highcharts = win.Highcharts ? error(16, true) : {};

/**

* Extend an object with the members of another
* @param {Object} a The object to be extended
* @param {Object} b The object to add to the first one
*/

function extend(a, b) {

var n;
if (!a) {
        a = {};
}
for (n in b) {
        a[n] = b[n];
}
return a;

}

/**

* Deep merge two or more objects and return a third object. If the first argument is
* true, the contents of the second object is copied into the first object.
* Previously this function redirected to jQuery.extend(true), but this had two limitations.
* First, it deep merged arrays, which lead to workarounds in Highcharts. Second,
* it copied properties from extended prototypes. 
*/

function merge() {

var i,
        args = arguments,
        len,
        ret = {},
        doCopy = function (copy, original) {
                var value, key;

                // An object is replacing a primitive
                if (typeof copy !== 'object') {
                        copy = {};
                }

                for (key in original) {
                        if (original.hasOwnProperty(key)) {
                                value = original[key];

                                // Copy the contents of objects, but not arrays or DOM nodes
                                if (value && typeof value === 'object' && Object.prototype.toString.call(value) !== '[object Array]'
                                                && key !== 'renderTo' && typeof value.nodeType !== 'number') {
                                        copy[key] = doCopy(copy[key] || {}, value);

                                // Primitives and arrays are copied over directly
                                } else {
                                        copy[key] = original[key];
                                }
                        }
                }
                return copy;
        };

// If first argument is true, copy into the existing object. Used in setOptions.
if (args[0] === true) {
        ret = args[1];
        args = Array.prototype.slice.call(args, 2);
}

// For each argument, extend the return
len = args.length;
for (i = 0; i < len; i++) {
        ret = doCopy(ret, args[i]);
}

return ret;

}

/**

* Take an array and turn into a hash with even number arguments as keys and odd numbers as
* values. Allows creating constants for commonly used style properties, attributes etc.
* Avoid it in performance critical situations like looping
*/

function hash() {

var i = 0,
        args = arguments,
        length = args.length,
        obj = {};
for (; i < length; i++) {
        obj[args[i++]] = args[i];
}
return obj;

}

/**

* Shortcut for parseInt
* @param {Object} s
* @param {Number} mag Magnitude
*/

function pInt(s, mag) {

return parseInt(s, mag || 10);

}

/**

* Check for string
* @param {Object} s
*/

function isString(s) {

return typeof s === 'string';

}

/**

* Check for object
* @param {Object} obj
*/

function isObject(obj) {

return typeof obj === 'object';

}

/**

* Check for array
* @param {Object} obj
*/

function isArray(obj) {

return Object.prototype.toString.call(obj) === '[object Array]';

}

/**

* Check for number
* @param {Object} n
*/

function isNumber(n) {

return typeof n === 'number';

}

function log2lin(num) {

return math.log(num) / math.LN10;

} function lin2log(num) {

return math.pow(10, num);

}

/**

* Remove last occurence of an item from an array
* @param {Array} arr
* @param {Mixed} item
*/

function erase(arr, item) {

var i = arr.length;
while (i--) {
        if (arr[i] === item) {
                arr.splice(i, 1);
                break;
        }
}
//return arr;

}

/**

* Returns true if the object is not null or undefined. Like MooTools' $.defined.
* @param {Object} obj
*/

function defined(obj) {

return obj !== UNDEFINED && obj !== null;

}

/**

* Set or get an attribute or an object of attributes. Can't use jQuery attr because
* it attempts to set expando properties on the SVG element, which is not allowed.
*
* @param {Object} elem The DOM element to receive the attribute(s)
* @param {String|Object} prop The property or an abject of key-value pairs
* @param {String} value The value if a single property is set
*/

function attr(elem, prop, value) {

var key,
        ret;

// if the prop is a string
if (isString(prop)) {
        // set the value
        if (defined(value)) {
                elem.setAttribute(prop, value);

        // get the value
        } else if (elem && elem.getAttribute) { // elem not defined when printing pie demo...
                ret = elem.getAttribute(prop);
        }

// else if prop is defined, it is a hash of key/value pairs
} else if (defined(prop) && isObject(prop)) {
        for (key in prop) {
                elem.setAttribute(key, prop[key]);
        }
}
return ret;

} /**

* Check if an element is an array, and if not, make it into an array. Like
* MooTools' $.splat.
*/

function splat(obj) {

return isArray(obj) ? obj : [obj];

}

/**

* Return the first value that is defined. Like MooTools' $.pick.
*/

function pick() {

var args = arguments,
        i,
        arg,
        length = args.length;
for (i = 0; i < length; i++) {
        arg = args[i];
        if (typeof arg !== 'undefined' && arg !== null) {
                return arg;
        }
}

}

/**

* Set CSS on a given element
* @param {Object} el
* @param {Object} styles Style object with camel case property names
*/

function css(el, styles) {

if (isIE && !hasSVG) { // #2686
        if (styles && styles.opacity !== UNDEFINED) {
                styles.filter = 'alpha(opacity=' + (styles.opacity * 100) + ')';
        }
}
extend(el.style, styles);

}

/**

* Utility function to create element with attributes and styles
* @param {Object} tag
* @param {Object} attribs
* @param {Object} styles
* @param {Object} parent
* @param {Object} nopad
*/

function createElement(tag, attribs, styles, parent, nopad) {

var el = doc.createElement(tag);
if (attribs) {
        extend(el, attribs);
}
if (nopad) {
        css(el, {padding: 0, border: NONE, margin: 0});
}
if (styles) {
        css(el, styles);
}
if (parent) {
        parent.appendChild(el);
}
return el;

}

/**

* Extend a prototyped class by new members
* @param {Object} parent
* @param {Object} members
*/

function extendClass(parent, members) {

var object = function () {};
object.prototype = new parent();
extend(object.prototype, members);
return object;

}

/**

* Format a number and return a string based on input settings
* @param {Number} number The input number to format
* @param {Number} decimals The amount of decimals
* @param {String} decPoint The decimal point, defaults to the one given in the lang options
* @param {String} thousandsSep The thousands separator, defaults to the one given in the lang options
*/

function numberFormat(number, decimals, decPoint, thousandsSep) {

var lang = defaultOptions.lang,
        // http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_number_format/
        n = +number || 0,
        c = decimals === -1 ?
                (n.toString().split('.')[1] || '').length : // preserve decimals
                (isNaN(decimals = mathAbs(decimals)) ? 2 : decimals),
        d = decPoint === undefined ? lang.decimalPoint : decPoint,
        t = thousandsSep === undefined ? lang.thousandsSep : thousandsSep,
        s = n < 0 ? "-" : "",
        i = String(pInt(n = mathAbs(n).toFixed(c))),
        j = i.length > 3 ? i.length % 3 : 0;

return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) +
        (c ? d + mathAbs(n - i).toFixed(c).slice(2) : "");

}

/**

* Pad a string to a given length by adding 0 to the beginning
* @param {Number} number
* @param {Number} length
*/

function pad(number, length) {

// Create an array of the remaining length +1 and join it with 0's
return new Array((length || 2) + 1 - String(number).length).join(0) + number;

}

/**

* Wrap a method with extended functionality, preserving the original function
* @param {Object} obj The context object that the method belongs to 
* @param {String} method The name of the method to extend
* @param {Function} func A wrapper function callback. This function is called with the same arguments
* as the original function, except that the original function is unshifted and passed as the first 
* argument. 
*/

function wrap(obj, method, func) {

var proceed = obj[method];
obj[method] = function () {
        var args = Array.prototype.slice.call(arguments);
        args.unshift(proceed);
        return func.apply(this, args);
};

}

/**

* Based on http://www.php.net/manual/en/function.strftime.php
* @param {String} format
* @param {Number} timestamp
* @param {Boolean} capitalize
*/

dateFormat = function (format, timestamp, capitalize) {

if (!defined(timestamp) || isNaN(timestamp)) {
        return 'Invalid date';
}
format = pick(format, '%Y-%m-%d %H:%M:%S');

var date = new Date(timestamp - timezoneOffset),
        key, // used in for constuct below
        // get the basic time values
        hours = date[getHours](),
        day = date[getDay](),
        dayOfMonth = date[getDate](),
        month = date[getMonth](),
        fullYear = date[getFullYear](),
        lang = defaultOptions.lang,
        langWeekdays = lang.weekdays,

        // List all format keys. Custom formats can be added from the outside. 
        replacements = extend({

                // Day
                'a': langWeekdays[day].substr(0, 3), // Short weekday, like 'Mon'
                'A': langWeekdays[day], // Long weekday, like 'Monday'
                'd': pad(dayOfMonth), // Two digit day of the month, 01 to 31
                'e': dayOfMonth, // Day of the month, 1 through 31

                // Week (none implemented)
                //'W': weekNumber(),

                // Month
                'b': lang.shortMonths[month], // Short month, like 'Jan'
                'B': lang.months[month], // Long month, like 'January'
                'm': pad(month + 1), // Two digit month number, 01 through 12

                // Year
                'y': fullYear.toString().substr(2, 2), // Two digits year, like 09 for 2009
                'Y': fullYear, // Four digits year, like 2009

                // Time
                'H': pad(hours), // Two digits hours in 24h format, 00 through 23
                'I': pad((hours % 12) || 12), // Two digits hours in 12h format, 00 through 11
                'l': (hours % 12) || 12, // Hours in 12h format, 1 through 12
                'M': pad(date[getMinutes]()), // Two digits minutes, 00 through 59
                'p': hours < 12 ? 'AM' : 'PM', // Upper case AM or PM
                'P': hours < 12 ? 'am' : 'pm', // Lower case AM or PM
                'S': pad(date.getSeconds()), // Two digits seconds, 00 through  59
                'L': pad(mathRound(timestamp % 1000), 3) // Milliseconds (naming from Ruby)
        }, Highcharts.dateFormats);

// do the replaces
for (key in replacements) {
        while (format.indexOf('%' + key) !== -1) { // regex would do it in one line, but this is faster
                format = format.replace('%' + key, typeof replacements[key] === 'function' ? replacements[key](timestamp) : replacements[key]);
        }
}

// Optionally capitalize the string and return
return capitalize ? format.substr(0, 1).toUpperCase() + format.substr(1) : format;

};

/**

* Format a single variable. Similar to sprintf, without the % prefix.
*/

function formatSingle(format, val) {

var floatRegex = /f$/,
        decRegex = /\.([0-9])/,
        lang = defaultOptions.lang,
        decimals;

if (floatRegex.test(format)) { // float
        decimals = format.match(decRegex);
        decimals = decimals ? decimals[1] : -1;
        if (val !== null) {
                val = numberFormat(
                        val,
                        decimals,
                        lang.decimalPoint,
                        format.indexOf(',') > -1 ? lang.thousandsSep : ''
                );
        }
} else {
        val = dateFormat(format, val);
}
return val;

}

/**

* Format a string according to a subset of the rules of Python's String.format method.
*/

function format(str, ctx) {

var splitter = '{',
        isInside = false,
        segment,
        valueAndFormat,
        path,
        i,
        len,
        ret = [],
        val,
        index;

while ((index = str.indexOf(splitter)) !== -1) {

        segment = str.slice(0, index);
        if (isInside) { // we're on the closing bracket looking back

                valueAndFormat = segment.split(':');
                path = valueAndFormat.shift().split('.'); // get first and leave format
                len = path.length;
                val = ctx;

                // Assign deeper paths
                for (i = 0; i < len; i++) {
                        val = val[path[i]];
                }

                // Format the replacement
                if (valueAndFormat.length) {
                        val = formatSingle(valueAndFormat.join(':'), val);
                }

                // Push the result and advance the cursor
                ret.push(val);

        } else {
                ret.push(segment);

        }
        str = str.slice(index + 1); // the rest
        isInside = !isInside; // toggle
        splitter = isInside ? '}' : '{'; // now look for next matching bracket
}
ret.push(str);
return ret.join('');

}

/**

* Get the magnitude of a number
*/

function getMagnitude(num) {

return math.pow(10, mathFloor(math.log(num) / math.LN10));

}

/**

* Take an interval and normalize it to multiples of 1, 2, 2.5 and 5
* @param {Number} interval
* @param {Array} multiples
* @param {Number} magnitude
* @param {Object} options
*/

function normalizeTickInterval(interval, multiples, magnitude, options) {

var normalized, i;

// round to a tenfold of 1, 2, 2.5 or 5
magnitude = pick(magnitude, 1);
normalized = interval / magnitude;

// multiples for a linear scale
if (!multiples) {
        multiples = [1, 2, 2.5, 5, 10];

        // the allowDecimals option
        if (options && options.allowDecimals === false) {
                if (magnitude === 1) {
                        multiples = [1, 2, 5, 10];
                } else if (magnitude <= 0.1) {
                        multiples = [1 / magnitude];
                }
        }
}

// normalize the interval to the nearest multiple
for (i = 0; i < multiples.length; i++) {
        interval = multiples[i];
        if (normalized <= (multiples[i] + (multiples[i + 1] || multiples[i])) / 2) {
                break;
        }
}

// multiply back to the correct magnitude
interval *= magnitude;

return interval;

}

/**

* Helper class that contains variuos counters that are local to the chart.
*/

function ChartCounters() {

this.color = 0;
this.symbol = 0;

}

ChartCounters.prototype = {

/**
 * Wraps the color counter if it reaches the specified length.
 */
wrapColor: function (length) {
        if (this.color >= length) {
                this.color = 0;
        }
},

/**
 * Wraps the symbol counter if it reaches the specified length.
 */
wrapSymbol: function (length) {
        if (this.symbol >= length) {
                this.symbol = 0;
        }
}

};

/**

* Utility method that sorts an object array and keeping the order of equal items.
* ECMA script standard does not specify the behaviour when items are equal.
*/

function stableSort(arr, sortFunction) {

var length = arr.length,
        sortValue,
        i;

// Add index to each item
for (i = 0; i < length; i++) {
        arr[i].ss_i = i; // stable sort index
}

arr.sort(function (a, b) {
        sortValue = sortFunction(a, b);
        return sortValue === 0 ? a.ss_i - b.ss_i : sortValue;
});

// Remove index from items
for (i = 0; i < length; i++) {
        delete arr[i].ss_i; // stable sort index
}

}

/**

* Non-recursive method to find the lowest member of an array. Math.min raises a maximum
* call stack size exceeded error in Chrome when trying to apply more than 150.000 points. This
* method is slightly slower, but safe.
*/

function arrayMin(data) {

var i = data.length,
        min = data[0];

while (i--) {
        if (data[i] < min) {
                min = data[i];
        }
}
return min;

}

/**

* Non-recursive method to find the lowest member of an array. Math.min raises a maximum
* call stack size exceeded error in Chrome when trying to apply more than 150.000 points. This
* method is slightly slower, but safe.
*/

function arrayMax(data) {

var i = data.length,
        max = data[0];

while (i--) {
        if (data[i] > max) {
                max = data[i];
        }
}
return max;

}

/**

* Utility method that destroys any SVGElement or VMLElement that are properties on the given object.
* It loops all properties and invokes destroy if there is a destroy method. The property is
* then delete'ed.
* @param {Object} The object to destroy properties on
* @param {Object} Exception, do not destroy this property, only delete it.
*/

function destroyObjectProperties(obj, except) {

var n;
for (n in obj) {
        // If the object is non-null and destroy is defined
        if (obj[n] && obj[n] !== except && obj[n].destroy) {
                // Invoke the destroy
                obj[n].destroy();
        }

        // Delete the property from the object.
        delete obj[n];
}

}

/**

* Discard an element by moving it to the bin and delete
* @param {Object} The HTML node to discard
*/

function discardElement(element) {

// create a garbage bin element, not part of the DOM
if (!garbageBin) {
        garbageBin = createElement(DIV);
}

// move the node and empty bin
if (element) {
        garbageBin.appendChild(element);
}
garbageBin.innerHTML = '';

}

/**

* Provide error messages for debugging, with links to online explanation 
*/

function error(code, stop) {

var msg = 'Highcharts error #' + code + ': www.highcharts.com/errors/' + code;
if (stop) {
        throw msg;
} else if (win.console) {
        console.log(msg);
}

}

/**

* Fix JS round off float errors
* @param {Number} num
*/

function correctFloat(num) {

return parseFloat(
        num.toPrecision(14)
);

}

/**

* Set the global animation to either a given value, or fall back to the
* given chart's animation option
* @param {Object} animation
* @param {Object} chart
*/

function setAnimation(animation, chart) {

globalAnimation = pick(animation, chart.animation);

}

/**

* The time unit lookup
*/

/*jslint white: true*/ timeUnits = hash(

MILLISECOND, 1,
SECOND, 1000,
MINUTE, 60000,
HOUR, 3600000,
DAY, 24 * 3600000,
WEEK, 7 * 24 * 3600000,
MONTH, 31 * 24 * 3600000,
YEAR, 31556952000

); /*jslint white: false*/ /**

* Path interpolation algorithm used across adapters
*/

pathAnim = {

/**
 * Prepare start and end values so that the path can be animated one to one
 */
init: function (elem, fromD, toD) {
        fromD = fromD || '';
        var shift = elem.shift,
                bezier = fromD.indexOf('C') > -1,
                numParams = bezier ? 7 : 3,
                endLength,
                slice,
                i,
                start = fromD.split(' '),
                end = [].concat(toD), // copy
                startBaseLine,
                endBaseLine,
                sixify = function (arr) { // in splines make move points have six parameters like bezier curves
                        i = arr.length;
                        while (i--) {
                                if (arr[i] === M) {
                                        arr.splice(i + 1, 0, arr[i + 1], arr[i + 2], arr[i + 1], arr[i + 2]);
                                }
                        }
                };

        if (bezier) {
                sixify(start);
                sixify(end);
        }

        // pull out the base lines before padding
        if (elem.isArea) {
                startBaseLine = start.splice(start.length - 6, 6);
                endBaseLine = end.splice(end.length - 6, 6);
        }

        // if shifting points, prepend a dummy point to the end path
        if (shift <= end.length / numParams && start.length === end.length) {
                while (shift--) {
                        end = [].concat(end).splice(0, numParams).concat(end);
                }
        }
        elem.shift = 0; // reset for following animations

        // copy and append last point until the length matches the end length
        if (start.length) {
                endLength = end.length;
                while (start.length < endLength) {

                        //bezier && sixify(start);
                        slice = [].concat(start).splice(start.length - numParams, numParams);
                        if (bezier) { // disable first control point
                                slice[numParams - 6] = slice[numParams - 2];
                                slice[numParams - 5] = slice[numParams - 1];
                        }
                        start = start.concat(slice);
                }
        }

        if (startBaseLine) { // append the base lines for areas
                start = start.concat(startBaseLine);
                end = end.concat(endBaseLine);
        }
        return [start, end];
},

/**
 * Interpolate each value of the path and return the array
 */
step: function (start, end, pos, complete) {
        var ret = [],
                i = start.length,
                startVal;

        if (pos === 1) { // land on the final path without adjustment points appended in the ends
                ret = complete;

        } else if (i === end.length && pos < 1) {
                while (i--) {
                        startVal = parseFloat(start[i]);
                        ret[i] =
                                isNaN(startVal) ? // a letter instruction like M or L
                                        start[i] :
                                        pos * (parseFloat(end[i] - startVal)) + startVal;

                }
        } else { // if animation is finished or length not matching, land on right value
                ret = end;
        }
        return ret;
}

};

(function ($) {

/**
 * The default HighchartsAdapter for jQuery
 */
win.HighchartsAdapter = win.HighchartsAdapter || ($ && {

        /**
         * Initialize the adapter by applying some extensions to jQuery
         */
        init: function (pathAnim) {

                // extend the animate function to allow SVG animations
                var Fx = $.fx,
                        Step = Fx.step,
                        dSetter,
                        Tween = $.Tween,
                        propHooks = Tween && Tween.propHooks,
                        opacityHook = $.cssHooks.opacity;

                /*jslint unparam: true*//* allow unused param x in this function */
                $.extend($.easing, {
                        easeOutQuad: function (x, t, b, c, d) {
                                return -c * (t /= d) * (t - 2) + b;
                        }
                });
                /*jslint unparam: false*/

                // extend some methods to check for elem.attr, which means it is a Highcharts SVG object
                $.each(['cur', '_default', 'width', 'height', 'opacity'], function (i, fn) {
                        var obj = Step,
                                base;

                        // Handle different parent objects
                        if (fn === 'cur') {
                                obj = Fx.prototype; // 'cur', the getter, relates to Fx.prototype

                        } else if (fn === '_default' && Tween) { // jQuery 1.8 model
                                obj = propHooks[fn];
                                fn = 'set';
                        }

                        // Overwrite the method
                        base = obj[fn];
                        if (base) { // step.width and step.height don't exist in jQuery < 1.7

                                // create the extended function replacement
                                obj[fn] = function (fx) {

                                        var elem;

                                        // Fx.prototype.cur does not use fx argument
                                        fx = i ? fx : this;

                                        // Don't run animations on textual properties like align (#1821)
                                        if (fx.prop === 'align') {
                                                return;
                                        }

                                        // shortcut
                                        elem = fx.elem;

                                        // Fx.prototype.cur returns the current value. The other ones are setters
                                        // and returning a value has no effect.
                                        return elem.attr ? // is SVG element wrapper
                                                elem.attr(fx.prop, fn === 'cur' ? UNDEFINED : fx.now) : // apply the SVG wrapper's method
                                                base.apply(this, arguments); // use jQuery's built-in method
                                };
                        }
                });

                // Extend the opacity getter, needed for fading opacity with IE9 and jQuery 1.10+
                wrap(opacityHook, 'get', function (proceed, elem, computed) {
                        return elem.attr ? (elem.opacity || 0) : proceed.call(this, elem, computed);
                });

                // Define the setter function for d (path definitions)
                dSetter = function (fx) {
                        var elem = fx.elem,
                                ends;

                        // Normally start and end should be set in state == 0, but sometimes,
                        // for reasons unknown, this doesn't happen. Perhaps state == 0 is skipped
                        // in these cases
                        if (!fx.started) {
                                ends = pathAnim.init(elem, elem.d, elem.toD);
                                fx.start = ends[0];
                                fx.end = ends[1];
                                fx.started = true;
                        }

                        // interpolate each value of the path
                        elem.attr('d', pathAnim.step(fx.start, fx.end, fx.pos, elem.toD));
                };

                // jQuery 1.8 style
                if (Tween) {
                        propHooks.d = {
                                set: dSetter
                        };
                // pre 1.8
                } else {
                        // animate paths
                        Step.d = dSetter;
                }

                /**
                 * Utility for iterating over an array. Parameters are reversed compared to jQuery.
                 * @param {Array} arr
                 * @param {Function} fn
                 */
                this.each = Array.prototype.forEach ?
                        function (arr, fn) { // modern browsers
                                return Array.prototype.forEach.call(arr, fn);

                        } : 
                        function (arr, fn) { // legacy
                                var i = 0, 
                                        len = arr.length;
                                for (; i < len; i++) {
                                        if (fn.call(arr[i], arr[i], i, arr) === false) {
                                                return i;
                                        }
                                }
                        };

                /**
                 * Register Highcharts as a plugin in the respective framework
                 */
                $.fn.highcharts = function () {
                        var constr = 'Chart', // default constructor
                                args = arguments,
                                options,
                                ret,
                                chart;

                        if (this[0]) {

                                if (isString(args[0])) {
                                        constr = args[0];
                                        args = Array.prototype.slice.call(args, 1); 
                                }
                                options = args[0];

                                // Create the chart
                                if (options !== UNDEFINED) {
                                        /*jslint unused:false*/
                                        options.chart = options.chart || {};
                                        options.chart.renderTo = this[0];
                                        chart = new Highcharts[constr](options, args[1]);
                                        ret = this;
                                        /*jslint unused:true*/
                                }

                                // When called without parameters or with the return argument, get a predefined chart
                                if (options === UNDEFINED) {
                                        ret = charts[attr(this[0], 'data-highcharts-chart')];
                                }
                        }

                        return ret;
                };

        },

        /**
         * Downloads a script and executes a callback when done.
         * @param {String} scriptLocation
         * @param {Function} callback
         */
        getScript: $.getScript,

        /**
         * Return the index of an item in an array, or -1 if not found
         */
        inArray: $.inArray,

        /**
         * A direct link to jQuery methods. MooTools and Prototype adapters must be implemented for each case of method.
         * @param {Object} elem The HTML element
         * @param {String} method Which method to run on the wrapped element
         */
        adapterRun: function (elem, method) {
                return $(elem)[method]();
        },

        /**
         * Filter an array
         */
        grep: $.grep,

        /**
         * Map an array
         * @param {Array} arr
         * @param {Function} fn
         */
        map: function (arr, fn) {
                //return jQuery.map(arr, fn);
                var results = [],
                        i = 0,
                        len = arr.length;
                for (; i < len; i++) {
                        results[i] = fn.call(arr[i], arr[i], i, arr);
                }
                return results;

        },

        /**
         * Get the position of an element relative to the top left of the page
         */
        offset: function (el) {
                return $(el).offset();
        },

        /**
         * Add an event listener
         * @param {Object} el A HTML element or custom object
         * @param {String} event The event type
         * @param {Function} fn The event handler
         */
        addEvent: function (el, event, fn) {
                $(el).bind(event, fn);
        },

        /**
         * Remove event added with addEvent
         * @param {Object} el The object
         * @param {String} eventType The event type. Leave blank to remove all events.
         * @param {Function} handler The function to remove
         */
        removeEvent: function (el, eventType, handler) {
                // workaround for jQuery issue with unbinding custom events:
                // http://forum.jQuery.com/topic/javascript-error-when-unbinding-a-custom-event-using-jQuery-1-4-2
                var func = doc.removeEventListener ? 'removeEventListener' : 'detachEvent';
                if (doc[func] && el && !el[func]) {
                        el[func] = function () {};
                }

                $(el).unbind(eventType, handler);
        },

        /**
         * Fire an event on a custom object
         * @param {Object} el
         * @param {String} type
         * @param {Object} eventArguments
         * @param {Function} defaultFunction
         */
        fireEvent: function (el, type, eventArguments, defaultFunction) {
                var event = $.Event(type),
                        detachedType = 'detached' + type,
                        defaultPrevented;

                // Remove warnings in Chrome when accessing returnValue (#2790), layerX and layerY. Although Highcharts
                // never uses these properties, Chrome includes them in the default click event and
                // raises the warning when they are copied over in the extend statement below.
                //
                // To avoid problems in IE (see #1010) where we cannot delete the properties and avoid
                // testing if they are there (warning in chrome) the only option is to test if running IE.
                if (!isIE && eventArguments) {
                        delete eventArguments.layerX;
                        delete eventArguments.layerY;
                        delete eventArguments.returnValue;
                }

                extend(event, eventArguments);

                // Prevent jQuery from triggering the object method that is named the
                // same as the event. For example, if the event is 'select', jQuery
                // attempts calling el.select and it goes into a loop.
                if (el[type]) {
                        el[detachedType] = el[type];
                        el[type] = null;
                }

                // Wrap preventDefault and stopPropagation in try/catch blocks in
                // order to prevent JS errors when cancelling events on non-DOM
                // objects. #615.
                /*jslint unparam: true*/
                $.each(['preventDefault', 'stopPropagation'], function (i, fn) {
                        var base = event[fn];
                        event[fn] = function () {
                                try {
                                        base.call(event);
                                } catch (e) {
                                        if (fn === 'preventDefault') {
                                                defaultPrevented = true;
                                        }
                                }
                        };
                });
                /*jslint unparam: false*/

                // trigger it
                $(el).trigger(event);

                // attach the method
                if (el[detachedType]) {
                        el[type] = el[detachedType];
                        el[detachedType] = null;
                }

                if (defaultFunction && !event.isDefaultPrevented() && !defaultPrevented) {
                        defaultFunction(event);
                }
        },

        /**
         * Extension method needed for MooTools
         */
        washMouseEvent: function (e) {
                var ret = e.originalEvent || e;

                // computed by jQuery, needed by IE8
                if (ret.pageX === UNDEFINED) { // #1236
                        ret.pageX = e.pageX;
                        ret.pageY = e.pageY;
                }

                return ret;
        },

        /**
         * Animate a HTML element or SVG element wrapper
         * @param {Object} el
         * @param {Object} params
         * @param {Object} options jQuery-like animation options: duration, easing, callback
         */
        animate: function (el, params, options) {
                var $el = $(el);
                if (!el.style) {
                        el.style = {}; // #1881
                }
                if (params.d) {
                        el.toD = params.d; // keep the array form for paths, used in $.fx.step.d
                        params.d = 1; // because in jQuery, animating to an array has a different meaning
                }

                $el.stop();
                if (params.opacity !== UNDEFINED && el.attr) {
                        params.opacity += 'px'; // force jQuery to use same logic as width and height (#2161)
                }
                $el.animate(params, options);

        },
        /**
         * Stop running animation
         */
        stop: function (el) {
                $(el).stop();
        }
});

}(win.jQuery));

// check for a custom HighchartsAdapter defined prior to this file var globalAdapter = win.HighchartsAdapter,

adapter = globalAdapter || {};

// Initialize the adapter if (globalAdapter) {

globalAdapter.init.call(globalAdapter, pathAnim);

}

// Utility functions. If the HighchartsAdapter is not defined, adapter is an empty object // and all the utility functions will be null. In that case they are populated by the // default adapters below. var adapterRun = adapter.adapterRun,

getScript = adapter.getScript,
inArray = adapter.inArray,
each = adapter.each,
grep = adapter.grep,
offset = adapter.offset,
map = adapter.map,
addEvent = adapter.addEvent,
removeEvent = adapter.removeEvent,
fireEvent = adapter.fireEvent,
washMouseEvent = adapter.washMouseEvent,
animate = adapter.animate,
stop = adapter.stop;

/* ****************************************************************************

* Handle the options                                                         *
*****************************************************************************/

var

defaultLabelOptions = {

enabled: true,
// rotation: 0,
// align: 'center',
x: 0,
y: 15,
/*formatter: function () {
        return this.value;
},*/
style: {
        color: '#606060',
        cursor: 'default',
        fontSize: '11px'
}

};

defaultOptions = {

colors: ['#7cb5ec', '#434348', '#90ed7d', '#f7a35c', 
            '#8085e9', '#f15c80', '#e4d354', '#8085e8', '#8d4653', '#91e8e1'], // docs
symbols: ['circle', 'diamond', 'square', 'triangle', 'triangle-down'],
lang: {
        loading: 'Loading...',
        months: ['January', 'February', 'March', 'April', 'May', 'June', 'July',
                        'August', 'September', 'October', 'November', 'December'],
        shortMonths: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
        weekdays: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
        decimalPoint: '.',
        numericSymbols: ['k', 'M', 'G', 'T', 'P', 'E'], // SI prefixes used in axis labels
        resetZoom: 'Reset zoom',
        resetZoomTitle: 'Reset zoom level 1:1',
        thousandsSep: ','
},
global: {
        useUTC: true,
        //timezoneOffset: 0,
        canvasToolsURL: 'http://code.highcharts.com/4.0.1/modules/canvas-tools.js',
        VMLRadialGradientURL: 'http://code.highcharts.com/4.0.1/gfx/vml-radial-gradient.png'
},
chart: {
        //animation: true,
        //alignTicks: false,
        //reflow: true,
        //className: null,
        //events: { load, selection },
        //margin: [null],
        //marginTop: null,
        //marginRight: null,
        //marginBottom: null,
        //marginLeft: null,
        borderColor: '#4572A7',
        //borderWidth: 0,
        borderRadius: 0,
        defaultSeriesType: 'line',
        ignoreHiddenSeries: true,
        //inverted: false,
        //shadow: false,
        spacing: [10, 10, 15, 10],
        //spacingTop: 10,
        //spacingRight: 10,
        //spacingBottom: 15,
        //spacingLeft: 10,
        //style: {
        //      fontFamily: '"Lucida Grande", "Lucida Sans Unicode", Verdana, Arial, Helvetica, sans-serif', // default font
        //      fontSize: '12px'
        //},
        backgroundColor: '#FFFFFF',
        //plotBackgroundColor: null,
        plotBorderColor: '#C0C0C0',
        //plotBorderWidth: 0,
        //plotShadow: false,
        //zoomType: ''
        resetZoomButton: {
                theme: {
                        zIndex: 20
                },
                position: {
                        align: 'right',
                        x: -10,
                        //verticalAlign: 'top',
                        y: 10
                }
                // relativeTo: 'plot'
        }
},
title: {
        text: 'Chart title',
        align: 'center',
        // floating: false,
        margin: 15,
        // x: 0,
        // verticalAlign: 'top',
        // y: null,
        style: {
                color: '#333333', // docs
                fontSize: '18px'
        }

},
subtitle: {
        text: '',
        align: 'center',
        // floating: false
        // x: 0,
        // verticalAlign: 'top',
        // y: null,
        style: {
                color: '#555555' // docs
        }
},

plotOptions: {
        line: { // base series options
                allowPointSelect: false,
                showCheckbox: false,
                animation: {
                        duration: 1000
                },
                //connectNulls: false,
                //cursor: 'default',
                //clip: true,
                //dashStyle: null,
                //enableMouseTracking: true,
                events: {},
                //legendIndex: 0,
                //linecap: 'round',
                lineWidth: 2,
                //shadow: false,
                // stacking: null,
                marker: {
                        //enabled: true,
                        //symbol: null,
                        lineWidth: 0,
                        radius: 4,
                        lineColor: '#FFFFFF',
                        //fillColor: null,
                        states: { // states for a single point
                                hover: {
                                        enabled: true
                                        //radius: base + 2
                                },
                                select: {
                                        fillColor: '#FFFFFF',
                                        lineColor: '#000000',
                                        lineWidth: 2
                                }
                        }
                },
                point: {
                        events: {}
                },
                dataLabels: merge(defaultLabelOptions, {
                        align: 'center',
                        //defer: true,
                        enabled: false,
                        formatter: function () {
                                return this.y === null ? '' : numberFormat(this.y, -1);
                        },
                        verticalAlign: 'bottom', // above singular point
                        y: 0
                        // backgroundColor: undefined,
                        // borderColor: undefined,
                        // borderRadius: undefined,
                        // borderWidth: undefined,
                        // padding: 3,
                        // shadow: false
                }),
                cropThreshold: 300, // draw points outside the plot area when the number of points is less than this
                pointRange: 0,
                //pointStart: 0,
                //pointInterval: 1,
                //showInLegend: null, // auto: true for standalone series, false for linked series
                states: { // states for the entire series
                        hover: {
                                //enabled: false,
                                //lineWidth: base + 1,
                                marker: {
                                        // lineWidth: base + 1,
                                        // radius: base + 1
                                },
                                halo: {
                                        size: 10,
                                        opacity: 0.25
                                }
                        },
                        select: {
                                marker: {}
                        }
                },
                stickyTracking: true,
                //tooltip: {
                        //pointFormat: '<span style="color:{series.color}">\u25CF</span> {series.name}: <b>{point.y}</b>'
                        //valueDecimals: null,
                        //xDateFormat: '%A, %b %e, %Y',
                        //valuePrefix: '',
                        //ySuffix: ''                           
                //}
                turboThreshold: 1000
                // zIndex: null
        }
},
labels: {
        //items: [],
        style: {
                //font: defaultFont,
                position: ABSOLUTE,
                color: '#3E576F'
        }
},
legend: {
        enabled: true,
        align: 'center',
        //floating: false,
        layout: 'horizontal',
        labelFormatter: function () {
                return this.name;
        },
        //borderWidth: 0,
        borderColor: '#909090',
        borderRadius: 0, // docs
        navigation: {
                // animation: true,
                activeColor: '#274b6d',
                // arrowSize: 12
                inactiveColor: '#CCC'
                // style: {} // text styles
        },
        // margin: 20,
        // reversed: false,
        shadow: false,
        // backgroundColor: null,
        /*style: {
                padding: '5px'
        },*/
        itemStyle: {                    
                color: '#333333', // docs
                fontSize: '12px',
                fontWeight: 'bold' // docs
        },
        itemHoverStyle: {
                //cursor: 'pointer', removed as of #601
                color: '#000'
        },
        itemHiddenStyle: {
                color: '#CCC'
        },
        itemCheckboxStyle: {
                position: ABSOLUTE,
                width: '13px', // for IE precision
                height: '13px'
        },
        // itemWidth: undefined,
        // symbolRadius: 0,
        // symbolWidth: 16,
        symbolPadding: 5,
        verticalAlign: 'bottom',
        // width: undefined,
        x: 0,
        y: 0,
        title: {
                //text: null,
                style: {
                        fontWeight: 'bold'
                }
        }                       
},

loading: {
        // hideDuration: 100,
        labelStyle: {
                fontWeight: 'bold',
                position: RELATIVE,
                top: '1em'
        },
        // showDuration: 0,
        style: {
                position: ABSOLUTE,
                backgroundColor: 'white',
                opacity: 0.5,
                textAlign: 'center'
        }
},

tooltip: {
        enabled: true,
        animation: hasSVG,
        //crosshairs: null,
        backgroundColor: 'rgba(249, 249, 249, .85)',
        borderWidth: 1,
        borderRadius: 3,
        dateTimeLabelFormats: { 
                millisecond: '%A, %b %e, %H:%M:%S.%L',
                second: '%A, %b %e, %H:%M:%S',
                minute: '%A, %b %e, %H:%M',
                hour: '%A, %b %e, %H:%M',
                day: '%A, %b %e, %Y',
                week: 'Week from %A, %b %e, %Y',
                month: '%B %Y',
                year: '%Y'
        },
        //formatter: defaultFormatter,
        headerFormat: '<span style="font-size: 10px">{point.key}</span><br/>',
        pointFormat: '<span style="color:{series.color}">\u25CF</span> {series.name}: <b>{point.y}</b><br/>', // docs
        shadow: true,
        //shape: 'calout',
        //shared: false,
        snap: isTouchDevice ? 25 : 10,
        style: {
                color: '#333333',
                cursor: 'default',
                fontSize: '12px',
                padding: '8px',
                whiteSpace: 'nowrap'
        }
        //xDateFormat: '%A, %b %e, %Y',
        //valueDecimals: null,
        //valuePrefix: '',
        //valueSuffix: ''
},

credits: {
        enabled: true,
        text: 'Highcharts.com',
        href: 'http://www.highcharts.com',
        position: {
                align: 'right',
                x: -10,
                verticalAlign: 'bottom',
                y: -5
        },
        style: {
                cursor: 'pointer',
                color: '#909090',
                fontSize: '9px'
        }
}

};

// Series defaults var defaultPlotOptions = defaultOptions.plotOptions,

defaultSeriesOptions = defaultPlotOptions.line;

// set the default time methods setTimeMethods();

/**

* Set the time methods globally based on the useUTC option. Time method can be either
* local time or UTC (default).
*/

function setTimeMethods() {

var useUTC = defaultOptions.global.useUTC,
        GET = useUTC ? 'getUTC' : 'get',
        SET = useUTC ? 'setUTC' : 'set';

timezoneOffset = ((useUTC && defaultOptions.global.timezoneOffset) || 0) * 60000;
makeTime = useUTC ? Date.UTC : function (year, month, date, hours, minutes, seconds) {
        return new Date(
                year,
                month,
                pick(date, 1),
                pick(hours, 0),
                pick(minutes, 0),
                pick(seconds, 0)
        ).getTime();
};
getMinutes =  GET + 'Minutes';
getHours =    GET + 'Hours';
getDay =      GET + 'Day';
getDate =     GET + 'Date';
getMonth =    GET + 'Month';
getFullYear = GET + 'FullYear';
setMinutes =  SET + 'Minutes';
setHours =    SET + 'Hours';
setDate =     SET + 'Date';
setMonth =    SET + 'Month';
setFullYear = SET + 'FullYear';

}

/**

* Merge the default options with custom options and return the new options structure
* @param {Object} options The new custom options
*/

function setOptions(options) {

// Copy in the default options
defaultOptions = merge(true, defaultOptions, options);

// Apply UTC
setTimeMethods();

return defaultOptions;

}

/**

* Get the updated default options. Until 3.0.7, merely exposing defaultOptions for outside modules
* wasn't enough because the setOptions method created a new object.
*/

function getOptions() {

return defaultOptions;

}

/**

* Handle color operations. The object methods are chainable.
* @param {String} input The input color in either rbga or hex format
*/

var rgbaRegEx = /rgba(s*({1,3})s*,s*([0-9]{1,3})s*,s*([0-9]{1,3})s*,s*([0-9]?(?:.[0-9]+)?)s*)/,

hexRegEx = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/,
rgbRegEx = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/;

var Color = function (input) {

// declare variables
var rgba = [], result, stops;

/**
 * Parse the input color to rgba array
 * @param {String} input
 */
function init(input) {

        // Gradients
        if (input && input.stops) {
                stops = map(input.stops, function (stop) {
                        return Color(stop[1]);
                });

        // Solid colors
        } else {
                // rgba
                result = rgbaRegEx.exec(input);
                if (result) {
                        rgba = [pInt(result[1]), pInt(result[2]), pInt(result[3]), parseFloat(result[4], 10)];
                } else { 
                        // hex
                        result = hexRegEx.exec(input);
                        if (result) {
                                rgba = [pInt(result[1], 16), pInt(result[2], 16), pInt(result[3], 16), 1];
                        } else {
                                // rgb
                                result = rgbRegEx.exec(input);
                                if (result) {
                                        rgba = [pInt(result[1]), pInt(result[2]), pInt(result[3]), 1];
                                }
                        }
                }
        }               

}
/**
 * Return the color a specified format
 * @param {String} format
 */
function get(format) {
        var ret;

        if (stops) {
                ret = merge(input);
                ret.stops = [].concat(ret.stops);
                each(stops, function (stop, i) {
                        ret.stops[i] = [ret.stops[i][0], stop.get(format)];
                });

        // it's NaN if gradient colors on a column chart
        } else if (rgba && !isNaN(rgba[0])) {
                if (format === 'rgb') {
                        ret = 'rgb(' + rgba[0] + ',' + rgba[1] + ',' + rgba[2] + ')';
                } else if (format === 'a') {
                        ret = rgba[3];
                } else {
                        ret = 'rgba(' + rgba.join(',') + ')';
                }
        } else {
                ret = input;
        }
        return ret;
}

/**
 * Brighten the color
 * @param {Number} alpha
 */
function brighten(alpha) {
        if (stops) {
                each(stops, function (stop) {
                        stop.brighten(alpha);
                });

        } else if (isNumber(alpha) && alpha !== 0) {
                var i;
                for (i = 0; i < 3; i++) {
                        rgba[i] += pInt(alpha * 255);

                        if (rgba[i] < 0) {
                                rgba[i] = 0;
                        }
                        if (rgba[i] > 255) {
                                rgba[i] = 255;
                        }
                }
        }
        return this;
}
/**
 * Set the color's opacity to a given alpha value
 * @param {Number} alpha
 */
function setOpacity(alpha) {
        rgba[3] = alpha;
        return this;
}

// initialize: parse the input
init(input);

// public methods
return {
        get: get,
        brighten: brighten,
        rgba: rgba,
        setOpacity: setOpacity
};

};

/**

* A wrapper object for SVG elements
*/

function SVGElement() {}

SVGElement.prototype = {

/**
 * Initialize the SVG renderer
 * @param {Object} renderer
 * @param {String} nodeName
 */
init: function (renderer, nodeName) {
        var wrapper = this;
        wrapper.element = nodeName === 'span' ?
                createElement(nodeName) :
                doc.createElementNS(SVG_NS, nodeName);
        wrapper.renderer = renderer;
},
/**
 * Default base for animation
 */
opacity: 1,
/**
 * Animate a given attribute
 * @param {Object} params
 * @param {Number} options The same options as in jQuery animation
 * @param {Function} complete Function to perform at the end of animation
 */
animate: function (params, options, complete) {
        var animOptions = pick(options, globalAnimation, true);
        stop(this); // stop regardless of animation actually running, or reverting to .attr (#607)
        if (animOptions) {
                animOptions = merge(animOptions, {}); //#2625
                if (complete) { // allows using a callback with the global animation without overwriting it
                        animOptions.complete = complete;
                }
                animate(this, params, animOptions);
        } else {
                this.attr(params);
                if (complete) {
                        complete();
                }
        }
},

/**
 * Build an SVG gradient out of a common JavaScript configuration object
 */
colorGradient: function (color, prop, elem) {
        var renderer = this.renderer,
                colorObject,
                gradName,
                gradAttr,
                gradients,
                gradientObject,
                stops,
                stopColor,
                stopOpacity,
                radialReference,
                n,
                id,
                key = [];

        // Apply linear or radial gradients
        if (color.linearGradient) {
                gradName = 'linearGradient';
        } else if (color.radialGradient) {
                gradName = 'radialGradient';
        }

        if (gradName) {
                gradAttr = color[gradName];
                gradients = renderer.gradients;
                stops = color.stops;
                radialReference = elem.radialReference;

                // Keep < 2.2 kompatibility
                if (isArray(gradAttr)) {
                        color[gradName] = gradAttr = {
                                x1: gradAttr[0],
                                y1: gradAttr[1],
                                x2: gradAttr[2],
                                y2: gradAttr[3],
                                gradientUnits: 'userSpaceOnUse'
                        };
                }

                // Correct the radial gradient for the radial reference system
                if (gradName === 'radialGradient' && radialReference && !defined(gradAttr.gradientUnits)) {
                        gradAttr = merge(gradAttr, {
                                cx: (radialReference[0] - radialReference[2] / 2) + gradAttr.cx * radialReference[2],
                                cy: (radialReference[1] - radialReference[2] / 2) + gradAttr.cy * radialReference[2],
                                r: gradAttr.r * radialReference[2],
                                gradientUnits: 'userSpaceOnUse'
                        });
                }

                // Build the unique key to detect whether we need to create a new element (#1282)
                for (n in gradAttr) {
                        if (n !== 'id') {
                                key.push(n, gradAttr[n]);
                        }
                }
                for (n in stops) {
                        key.push(stops[n]);
                }
                key = key.join(',');

                // Check if a gradient object with the same config object is created within this renderer
                if (gradients[key]) {
                        id = gradients[key].attr('id');

                } else {

                        // Set the id and create the element
                        gradAttr.id = id = PREFIX + idCounter++;
                        gradients[key] = gradientObject = renderer.createElement(gradName)
                                .attr(gradAttr)
                                .add(renderer.defs);

                        // The gradient needs to keep a list of stops to be able to destroy them
                        gradientObject.stops = [];
                        each(stops, function (stop) {
                                var stopObject;
                                if (stop[1].indexOf('rgba') === 0) {
                                        colorObject = Color(stop[1]);
                                        stopColor = colorObject.get('rgb');
                                        stopOpacity = colorObject.get('a');
                                } else {
                                        stopColor = stop[1];
                                        stopOpacity = 1;
                                }
                                stopObject = renderer.createElement('stop').attr({
                                        offset: stop[0],
                                        'stop-color': stopColor,
                                        'stop-opacity': stopOpacity
                                }).add(gradientObject);

                                // Add the stop element to the gradient
                                gradientObject.stops.push(stopObject);
                        });
                }

                // Set the reference to the gradient object
                elem.setAttribute(prop, 'url(' + renderer.url + '#' + id + ')');
        } 
},

/**
 * Set or get a given attribute
 * @param {Object|String} hash
 * @param {Mixed|Undefined} val
 */
attr: function (hash, val) {
        var key,
                value,
                element = this.element,
                hasSetSymbolSize,
                ret = this,
                skipAttr;

        // single key-value pair
        if (typeof hash === 'string' && val !== UNDEFINED) {
                key = hash;
                hash = {};
                hash[key] = val;
        }

        // used as a getter: first argument is a string, second is undefined
        if (typeof hash === 'string') {
                ret = (this[hash + 'Getter'] || this._defaultGetter).call(this, hash, element);

        // setter
        } else {

                for (key in hash) {
                        value = hash[key];
                        skipAttr = false;

                        if (this.symbolName && /^(x|y|width|height|r|start|end|innerR|anchorX|anchorY)/.test(key)) {
                                if (!hasSetSymbolSize) {
                                        this.symbolAttr(hash);
                                        hasSetSymbolSize = true;
                                }
                                skipAttr = true;
                        }

                        if (this.rotation && (key === 'x' || key === 'y')) {
                                this.doTransform = true;
                        }

                        if (!skipAttr) {
                                (this[key + 'Setter'] || this._defaultSetter).call(this, value, key, element);
                        }

                        // Let the shadow follow the main element
                        if (this.shadows && /^(width|height|visibility|x|y|d|transform|cx|cy|r)$/.test(key)) {
                                this.updateShadows(key, value);
                        }
                }

                // Update transform. Do this outside the loop to prevent redundant updating for batch setting
                // of attributes.
                if (this.doTransform) {
                        this.updateTransform();
                        this.doTransform = false;
                }

        }

        return ret;
},

updateShadows: function (key, value) {
        var shadows = this.shadows,
                i = shadows.length;
        while (i--) {
                shadows[i].setAttribute(
                        key,
                        key === 'height' ?
                                mathMax(value - (shadows[i].cutHeight || 0), 0) :
                                key === 'd' ? this.d : value
                );
        }
},

/**
 * Add a class name to an element
 */
addClass: function (className) {
        var element = this.element,
                currentClassName = attr(element, 'class') || '';

        if (currentClassName.indexOf(className) === -1) {
                attr(element, 'class', currentClassName + ' ' + className);
        }
        return this;
},
/* hasClass and removeClass are not (yet) needed
hasClass: function (className) {
        return attr(this.element, 'class').indexOf(className) !== -1;
},
removeClass: function (className) {
        attr(this.element, 'class', attr(this.element, 'class').replace(className, ''));
        return this;
},
*/

/**
 * If one of the symbol size affecting parameters are changed,
 * check all the others only once for each call to an element's
 * .attr() method
 * @param {Object} hash
 */
symbolAttr: function (hash) {
        var wrapper = this;

        each(['x', 'y', 'r', 'start', 'end', 'width', 'height', 'innerR', 'anchorX', 'anchorY'], function (key) {
                wrapper[key] = pick(hash[key], wrapper[key]);
        });

        wrapper.attr({
                d: wrapper.renderer.symbols[wrapper.symbolName](
                        wrapper.x,
                        wrapper.y,
                        wrapper.width,
                        wrapper.height,
                        wrapper
                )
        });
},

/**
 * Apply a clipping path to this object
 * @param {String} id
 */
clip: function (clipRect) {
        return this.attr('clip-path', clipRect ? 'url(' + this.renderer.url + '#' + clipRect.id + ')' : NONE);
},

/**
 * Calculate the coordinates needed for drawing a rectangle crisply and return the
 * calculated attributes
 * @param {Number} strokeWidth
 * @param {Number} x
 * @param {Number} y
 * @param {Number} width
 * @param {Number} height
 */
crisp: function (rect) {

        var wrapper = this,
                key,
                attribs = {},
                normalizer,
                strokeWidth = rect.strokeWidth || wrapper.strokeWidth || (wrapper.attr && wrapper.attr('stroke-width')) || 0;

        normalizer = mathRound(strokeWidth) % 2 / 2; // mathRound because strokeWidth can sometimes have roundoff errors

        // normalize for crisp edges
        rect.x = mathFloor(rect.x || wrapper.x || 0) + normalizer;
        rect.y = mathFloor(rect.y || wrapper.y || 0) + normalizer;
        rect.width = mathFloor((rect.width || wrapper.width || 0) - 2 * normalizer);
        rect.height = mathFloor((rect.height || wrapper.height || 0) - 2 * normalizer);
        rect.strokeWidth = strokeWidth;

        for (key in rect) {
                if (wrapper[key] !== rect[key]) { // only set attribute if changed
                        wrapper[key] = attribs[key] = rect[key];
                }
        }

        return attribs;
},

/**
 * Set styles for the element
 * @param {Object} styles
 */
css: function (styles) {
        var elemWrapper = this,
                oldStyles = elemWrapper.styles,
                newStyles = {},
                elem = elemWrapper.element,
                textWidth,
                n,
                serializedCss = '',
                hyphenate,
                hasNew = !oldStyles;

        // convert legacy
        if (styles && styles.color) {
                styles.fill = styles.color;
        }

        // Filter out existing styles to increase performance (#2640)
        if (oldStyles) {
                for (n in styles) {
                        if (styles[n] !== oldStyles[n]) {
                                newStyles[n] = styles[n];
                                hasNew = true;
                        }
                }
        }
        if (hasNew) {
                textWidth = elemWrapper.textWidth = styles && styles.width && elem.nodeName.toLowerCase() === 'text' && pInt(styles.width);

                // Merge the new styles with the old ones
                if (oldStyles) {
                        styles = extend(
                                oldStyles,
                                newStyles
                        );
                }               

                // store object
                elemWrapper.styles = styles;

                if (textWidth && (useCanVG || (!hasSVG && elemWrapper.renderer.forExport))) {
                        delete styles.width;
                }

                // serialize and set style attribute
                if (isIE && !hasSVG) {
                        css(elemWrapper.element, styles);
                } else {
                        /*jslint unparam: true*/
                        hyphenate = function (a, b) { return '-' + b.toLowerCase(); };
                        /*jslint unparam: false*/
                        for (n in styles) {
                                serializedCss += n.replace(/([A-Z])/g, hyphenate) + ':' + styles[n] + ';';
                        }
                        attr(elem, 'style', serializedCss); // #1881
                }

                // re-build text
                if (textWidth && elemWrapper.added) {
                        elemWrapper.renderer.buildText(elemWrapper);
                }
        }

        return elemWrapper;
},

/**
 * Add an event listener
 * @param {String} eventType
 * @param {Function} handler
 */
on: function (eventType, handler) {
        var svgElement = this,
                element = svgElement.element;

        // touch
        if (hasTouch && eventType === 'click') {
                element.ontouchstart = function (e) {                   
                        svgElement.touchEventFired = Date.now();                                
                        e.preventDefault();
                        handler.call(element, e);
                };
                element.onclick = function (e) {                                                                                                
                        if (userAgent.indexOf('Android') === -1 || Date.now() - (svgElement.touchEventFired || 0) > 1100) { // #2269
                                handler.call(element, e);
                        }
                };                      
        } else {
                // simplest possible event model for internal use
                element['on' + eventType] = handler;
        }
        return this;
},

/**
 * Set the coordinates needed to draw a consistent radial gradient across
 * pie slices regardless of positioning inside the chart. The format is
 * [centerX, centerY, diameter] in pixels.
 */
setRadialReference: function (coordinates) {
        this.element.radialReference = coordinates;
        return this;
},

/**
 * Move an object and its children by x and y values
 * @param {Number} x
 * @param {Number} y
 */
translate: function (x, y) {
        return this.attr({
                translateX: x,
                translateY: y
        });
},

/**
 * Invert a group, rotate and flip
 */
invert: function () {
        var wrapper = this;
        wrapper.inverted = true;
        wrapper.updateTransform();
        return wrapper;
},

/**
 * Private method to update the transform attribute based on internal
 * properties
 */
updateTransform: function () {
        var wrapper = this,
                translateX = wrapper.translateX || 0,
                translateY = wrapper.translateY || 0,
                scaleX = wrapper.scaleX,
                scaleY = wrapper.scaleY,
                inverted = wrapper.inverted,
                rotation = wrapper.rotation,
                element = wrapper.element,
                transform;

        // flipping affects translate as adjustment for flipping around the group's axis
        if (inverted) {
                translateX += wrapper.attr('width');
                translateY += wrapper.attr('height');
        }

        // Apply translate. Nearly all transformed elements have translation, so instead
        // of checking for translate = 0, do it always (#1767, #1846).
        transform = ['translate(' + translateX + ',' + translateY + ')'];

        // apply rotation
        if (inverted) {
                transform.push('rotate(90) scale(-1,1)');
        } else if (rotation) { // text rotation
                transform.push('rotate(' + rotation + ' ' + (element.getAttribute('x') || 0) + ' ' + (element.getAttribute('y') || 0) + ')');
        }

        // apply scale
        if (defined(scaleX) || defined(scaleY)) {
                transform.push('scale(' + pick(scaleX, 1) + ' ' + pick(scaleY, 1) + ')');
        }

        if (transform.length) {
                element.setAttribute('transform', transform.join(' '));
        }
},
/**
 * Bring the element to the front
 */
toFront: function () {
        var element = this.element;
        element.parentNode.appendChild(element);
        return this;
},

/**
 * Break down alignment options like align, verticalAlign, x and y
 * to x and y relative to the chart.
 *
 * @param {Object} alignOptions
 * @param {Boolean} alignByTranslate
 * @param {String[Object} box The box to align to, needs a width and height. When the
 *        box is a string, it refers to an object in the Renderer. For example, when
 *        box is 'spacingBox', it refers to Renderer.spacingBox which holds width, height
 *        x and y properties.
 *
 */
align: function (alignOptions, alignByTranslate, box) {
        var align,
                vAlign,
                x,
                y,
                attribs = {},
                alignTo,
                renderer = this.renderer,
                alignedObjects = renderer.alignedObjects;

        // First call on instanciate
        if (alignOptions) {
                this.alignOptions = alignOptions;
                this.alignByTranslate = alignByTranslate;
                if (!box || isString(box)) { // boxes other than renderer handle this internally
                        this.alignTo = alignTo = box || 'renderer';
                        erase(alignedObjects, this); // prevent duplicates, like legendGroup after resize
                        alignedObjects.push(this);
                        box = null; // reassign it below
                }

        // When called on resize, no arguments are supplied
        } else {
                alignOptions = this.alignOptions;
                alignByTranslate = this.alignByTranslate;
                alignTo = this.alignTo;
        }

        box = pick(box, renderer[alignTo], renderer);

        // Assign variables
        align = alignOptions.align;
        vAlign = alignOptions.verticalAlign;
        x = (box.x || 0) + (alignOptions.x || 0); // default: left align
        y = (box.y || 0) + (alignOptions.y || 0); // default: top align

        // Align
        if (align === 'right' || align === 'center') {
                x += (box.width - (alignOptions.width || 0)) /
                                { right: 1, center: 2 }[align];
        }
        attribs[alignByTranslate ? 'translateX' : 'x'] = mathRound(x);

        // Vertical align
        if (vAlign === 'bottom' || vAlign === 'middle') {
                y += (box.height - (alignOptions.height || 0)) /
                                ({ bottom: 1, middle: 2 }[vAlign] || 1);

        }
        attribs[alignByTranslate ? 'translateY' : 'y'] = mathRound(y);

        // Animate only if already placed
        this[this.placed ? 'animate' : 'attr'](attribs);
        this.placed = true;
        this.alignAttr = attribs;

        return this;
},

/**
 * Get the bounding box (width, height, x and y) for the element
 */
getBBox: function () {
        var wrapper = this,
                bBox = wrapper.bBox,
                renderer = wrapper.renderer,
                width,
                height,
                rotation = wrapper.rotation,
                element = wrapper.element,
                styles = wrapper.styles,
                rad = rotation * deg2rad,
                textStr = wrapper.textStr,
                cacheKey;

        // Since numbers are monospaced, and numerical labels appear a lot in a chart,
        // we assume that a label of n characters has the same bounding box as others 
        // of the same length.
        if (textStr === '' || numRegex.test(textStr)) {
                cacheKey = 'num.' + textStr.toString().length + (styles ? ('|' + styles.fontSize + '|' + styles.fontFamily) : '');

        } //else { // This code block made demo/waterfall fail, related to buildText
                // Caching all strings reduces rendering time by 4-5%. 
                // TODO: Check how this affects places where bBox is found on the element
                //cacheKey = textStr + (styles ? ('|' + styles.fontSize + '|' + styles.fontFamily) : '');
        //}
        if (cacheKey) {
                bBox = renderer.cache[cacheKey];
        }

        // No cache found
        if (!bBox) {

                // SVG elements
                if (element.namespaceURI === SVG_NS || renderer.forExport) {
                        try { // Fails in Firefox if the container has display: none.

                                bBox = element.getBBox ?
                                        // SVG: use extend because IE9 is not allowed to change width and height in case
                                        // of rotation (below)
                                        extend({}, element.getBBox()) :
                                        // Canvas renderer and legacy IE in export mode
                                        {
                                                width: element.offsetWidth,
                                                height: element.offsetHeight
                                        };
                        } catch (e) {}

                        // If the bBox is not set, the try-catch block above failed. The other condition
                        // is for Opera that returns a width of -Infinity on hidden elements.
                        if (!bBox || bBox.width < 0) {
                                bBox = { width: 0, height: 0 };
                        }

                // VML Renderer or useHTML within SVG
                } else {

                        bBox = wrapper.htmlGetBBox();

                }

                // True SVG elements as well as HTML elements in modern browsers using the .useHTML option
                // need to compensated for rotation
                if (renderer.isSVG) {
                        width = bBox.width;
                        height = bBox.height;

                        // Workaround for wrong bounding box in IE9 and IE10 (#1101, #1505, #1669, #2568)
                        if (isIE && styles && styles.fontSize === '11px' && height.toPrecision(3) === '16.9') {
                                bBox.height = height = 14;
                        }

                        // Adjust for rotated text
                        if (rotation) {
                                bBox.width = mathAbs(height * mathSin(rad)) + mathAbs(width * mathCos(rad));
                                bBox.height = mathAbs(height * mathCos(rad)) + mathAbs(width * mathSin(rad));
                        }
                }

                // Cache it
                wrapper.bBox = bBox;
                if (cacheKey) {
                        renderer.cache[cacheKey] = bBox;
                }
        }
        return bBox;
},

/**
 * Show the element
 */
show: function (inherit) {
        // IE9-11 doesn't handle visibilty:inherit well, so we remove the attribute instead (#2881)
        if (inherit && this.element.namespaceURI === SVG_NS) {
                this.element.removeAttribute('visibility');
                return this;
        } else {
                return this.attr({ visibility: inherit ? 'inherit' : VISIBLE });
        }
},

/**
 * Hide the element
 */
hide: function () {
        return this.attr({ visibility: HIDDEN });
},

fadeOut: function (duration) {
        var elemWrapper = this;
        elemWrapper.animate({
                opacity: 0
        }, {
                duration: duration || 150,
                complete: function () {
                        elemWrapper.hide();
                }
        });
},

/**
 * Add the element
 * @param {Object|Undefined} parent Can be an element, an element wrapper or undefined
 *    to append the element to the renderer.box.
 */
add: function (parent) {

        var renderer = this.renderer,
                parentWrapper = parent || renderer,
                parentNode = parentWrapper.element || renderer.box,
                childNodes,
                element = this.element,
                zIndex = this.zIndex,
                otherElement,
                otherZIndex,
                i,
                inserted;

        if (parent) {
                this.parentGroup = parent;
        }

        // mark as inverted
        this.parentInverted = parent && parent.inverted;

        // build formatted text
        if (this.textStr !== undefined) {
                renderer.buildText(this);
        }

        // mark the container as having z indexed children
        if (zIndex) {
                parentWrapper.handleZ = true;
                zIndex = pInt(zIndex);
        }

        // insert according to this and other elements' zIndex
        if (parentWrapper.handleZ) { // this element or any of its siblings has a z index
                childNodes = parentNode.childNodes;
                for (i = 0; i < childNodes.length; i++) {
                        otherElement = childNodes[i];
                        otherZIndex = attr(otherElement, 'zIndex');
                        if (otherElement !== element && (
                                        // insert before the first element with a higher zIndex
                                        pInt(otherZIndex) > zIndex ||
                                        // if no zIndex given, insert before the first element with a zIndex
                                        (!defined(zIndex) && defined(otherZIndex))

                                        )) {
                                parentNode.insertBefore(element, otherElement);
                                inserted = true;
                                break;
                        }
                }
        }

        // default: append at the end
        if (!inserted) {
                parentNode.appendChild(element);
        }

        // mark as added
        this.added = true;

        // fire an event for internal hooks
        if (this.onAdd) {
                this.onAdd();
        }

        return this;
},

/**
 * Removes a child either by removeChild or move to garbageBin.
 * Issue 490; in VML removeChild results in Orphaned nodes according to sIEve, discardElement does not.
 */
safeRemoveChild: function (element) {
        var parentNode = element.parentNode;
        if (parentNode) {
                parentNode.removeChild(element);
        }
},

/**
 * Destroy the element and element wrapper
 */
destroy: function () {
        var wrapper = this,
                element = wrapper.element || {},
                shadows = wrapper.shadows,
                parentToClean = wrapper.renderer.isSVG && element.nodeName === 'SPAN' && wrapper.parentGroup,
                grandParent,
                key,
                i;

        // remove events
        element.onclick = element.onmouseout = element.onmouseover = element.onmousemove = element.point = null;
        stop(wrapper); // stop running animations

        if (wrapper.clipPath) {
                wrapper.clipPath = wrapper.clipPath.destroy();
        }

        // Destroy stops in case this is a gradient object
        if (wrapper.stops) {
                for (i = 0; i < wrapper.stops.length; i++) {
                        wrapper.stops[i] = wrapper.stops[i].destroy();
                }
                wrapper.stops = null;
        }

        // remove element
        wrapper.safeRemoveChild(element);

        // destroy shadows
        if (shadows) {
                each(shadows, function (shadow) {
                        wrapper.safeRemoveChild(shadow);
                });
        }

        // In case of useHTML, clean up empty containers emulating SVG groups (#1960, #2393).
        while (parentToClean && parentToClean.div.childNodes.length === 0) {
                grandParent = parentToClean.parentGroup;
                wrapper.safeRemoveChild(parentToClean.div);
                delete parentToClean.div;
                parentToClean = grandParent;
        }

        // remove from alignObjects
        if (wrapper.alignTo) {
                erase(wrapper.renderer.alignedObjects, wrapper);
        }

        for (key in wrapper) {
                delete wrapper[key];
        }

        return null;
},

/**
 * Add a shadow to the element. Must be done after the element is added to the DOM
 * @param {Boolean|Object} shadowOptions
 */
shadow: function (shadowOptions, group, cutOff) {
        var shadows = [],
                i,
                shadow,
                element = this.element,
                strokeWidth,
                shadowWidth,
                shadowElementOpacity,

                // compensate for inverted plot area
                transform;

        if (shadowOptions) {
                shadowWidth = pick(shadowOptions.width, 3);
                shadowElementOpacity = (shadowOptions.opacity || 0.15) / shadowWidth;
                transform = this.parentInverted ?
                        '(-1,-1)' :
                        '(' + pick(shadowOptions.offsetX, 1) + ', ' + pick(shadowOptions.offsetY, 1) + ')';
                for (i = 1; i <= shadowWidth; i++) {
                        shadow = element.cloneNode(0);
                        strokeWidth = (shadowWidth * 2) + 1 - (2 * i);
                        attr(shadow, {
                                'isShadow': 'true',
                                'stroke': shadowOptions.color || 'black',
                                'stroke-opacity': shadowElementOpacity * i,
                                'stroke-width': strokeWidth,
                                'transform': 'translate' + transform,
                                'fill': NONE
                        });
                        if (cutOff) {
                                attr(shadow, 'height', mathMax(attr(shadow, 'height') - strokeWidth, 0));
                                shadow.cutHeight = strokeWidth;
                        }

                        if (group) {
                                group.element.appendChild(shadow);
                        } else {
                                element.parentNode.insertBefore(shadow, element);
                        }

                        shadows.push(shadow);
                }

                this.shadows = shadows;
        }
        return this;

},

xGetter: function (key) {
        if (this.element.nodeName === 'circle') {
                key = { x: 'cx', y: 'cy' }[key] || key;
        }
        return this._defaultGetter(key);
},

/** 
 * Get the current value of an attribute or pseudo attribute, used mainly
 * for animation.
 */
_defaultGetter: function (key) {
        var ret = pick(this[key], this.element ? this.element.getAttribute(key) : null, 0);

        if (/^[0-9\.]+$/.test(ret)) { // is numerical
                ret = parseFloat(ret);
        }
        return ret;
},

dSetter: function (value, key, element) {
        if (value && value.join) { // join path
                value = value.join(' ');
        }
        if (/(NaN| {2}|^$)/.test(value)) {
                value = 'M 0 0';
        }
        element.setAttribute(key, value);

        this[key] = value;
},
dashstyleSetter: function (value) {
        var i;
        value = value && value.toLowerCase();
        if (value) {
                value = value
                        .replace('shortdashdotdot', '3,1,1,1,1,1,')
                        .replace('shortdashdot', '3,1,1,1')
                        .replace('shortdot', '1,1,')
                        .replace('shortdash', '3,1,')
                        .replace('longdash', '8,3,')
                        .replace(/dot/g, '1,3,')
                        .replace('dash', '4,3,')
                        .replace(/,$/, '')
                        .split(','); // ending comma

                i = value.length;
                while (i--) {
                        value[i] = pInt(value[i]) * this.element.getAttribute('stroke-width');
                }
                value = value.join(',');
                this.element.setAttribute('stroke-dasharray', value);
        }
},
alignSetter: function (value) {
        this.element.setAttribute('text-anchor', { left: 'start', center: 'middle', right: 'end' }[value]);
},
opacitySetter: function (value, key, element) {
        this[key] = value;
        element.setAttribute(key, value);
},
// In Chrome/Win < 6 as well as Batik and PhantomJS as of 1.9.7, the stroke attribute can't be set when the stroke-
// width is 0. #1369
'stroke-widthSetter': function (value, key, element) {
        if (value === 0) {
                value = 0.00001;
        }
        this.strokeWidth = value; // read in symbol paths like 'callout'
        element.setAttribute(key, value);
},
titleSetter: function (value) {
        var titleNode = this.element.getElementsByTagName('title')[0];
        if (!titleNode) {
                titleNode = doc.createElementNS(SVG_NS, 'title');
                this.element.appendChild(titleNode);
        }
        titleNode.textContent = value;
},
textSetter: function (value) {
        if (value !== this.textStr) {
                // Delete bBox memo when the text changes
                delete this.bBox;

                this.textStr = value;
                if (this.added) {
                        this.renderer.buildText(this);
                }
        }
},
fillSetter: function (value, key, element) {

        if (typeof value === 'string') {
                element.setAttribute(key, value);
        } else if (value) {
                this.colorGradient(value, key, element);
        }
},
zIndexSetter: function (value, key, element) {
        element.setAttribute(key, value);
        this[key] = value;
},
_defaultSetter: function (value, key, element) {
        element.setAttribute(key, value);
}

};

// Some shared setters and getters SVGElement.prototype.yGetter = SVGElement.prototype.xGetter; SVGElement.prototype.translateXSetter = SVGElement.prototype.translateYSetter =

        SVGElement.prototype.rotationSetter = SVGElement.prototype.verticalAlignSetter = 
        SVGElement.prototype.scaleXSetter = SVGElement.prototype.scaleYSetter = function (value, key) {
this[key] = value;
this.doTransform = true;

}; SVGElement.prototype.strokeSetter = SVGElement.prototype.fillSetter;

// In Chrome/Win < 6 as well as Batik, the stroke attribute can’t be set when the stroke- // width is 0. #1369 /*SVGElement.prototype = SVGElement.prototype.strokeSetter = function (value, key) {

this[key] = value;
// Only apply the stroke attribute if the stroke width is defined and larger than 0
if (this.stroke && this['stroke-width']) {
        this.element.setAttribute('stroke', this.stroke);
        this.element.setAttribute('stroke-width', this['stroke-width']);
        this.hasStroke = true;
} else if (key === 'stroke-width' && value === 0 && this.hasStroke) {
        this.element.removeAttribute('stroke');
        this.hasStroke = false;
}

};*/

/**

* The default SVG renderer
*/

var SVGRenderer = function () {

this.init.apply(this, arguments);

}; SVGRenderer.prototype = {

Element: SVGElement,

/**
 * Initialize the SVGRenderer
 * @param {Object} container
 * @param {Number} width
 * @param {Number} height
 * @param {Boolean} forExport
 */
init: function (container, width, height, style, forExport) {
        var renderer = this,
                loc = location,
                boxWrapper,
                element,
                desc;

        boxWrapper = renderer.createElement('svg')
                .attr({
                        version: '1.1'
                })
                .css(this.getStyle(style));
        element = boxWrapper.element;
        container.appendChild(element);

        // For browsers other than IE, add the namespace attribute (#1978)
        if (container.innerHTML.indexOf('xmlns') === -1) {
                attr(element, 'xmlns', SVG_NS);
        }

        // object properties
        renderer.isSVG = true;
        renderer.box = element;
        renderer.boxWrapper = boxWrapper;
        renderer.alignedObjects = [];

        // Page url used for internal references. #24, #672, #1070
        renderer.url = (isFirefox || isWebKit) && doc.getElementsByTagName('base').length ?
                loc.href
                        .replace(/#.*?$/, '') // remove the hash
                        .replace(/([\('\)])/g, '\\$1') // escape parantheses and quotes
                        .replace(/ /g, '%20') : // replace spaces (needed for Safari only)
                '';

        // Add description
        desc = this.createElement('desc').add();
        desc.element.appendChild(doc.createTextNode('Created with ' + PRODUCT + ' ' + VERSION));

        renderer.defs = this.createElement('defs').add();
        renderer.forExport = forExport;
        renderer.gradients = {}; // Object where gradient SvgElements are stored
        renderer.cache = {}; // Cache for numerical bounding boxes

        renderer.setSize(width, height, false);

        // Issue 110 workaround:
        // In Firefox, if a div is positioned by percentage, its pixel position may land
        // between pixels. The container itself doesn't display this, but an SVG element
        // inside this container will be drawn at subpixel precision. In order to draw
        // sharp lines, this must be compensated for. This doesn't seem to work inside
        // iframes though (like in jsFiddle).
        var subPixelFix, rect;
        if (isFirefox && container.getBoundingClientRect) {
                renderer.subPixelFix = subPixelFix = function () {
                        css(container, { left: 0, top: 0 });
                        rect = container.getBoundingClientRect();
                        css(container, {
                                left: (mathCeil(rect.left) - rect.left) + PX,
                                top: (mathCeil(rect.top) - rect.top) + PX
                        });
                };

                // run the fix now
                subPixelFix();

                // run it on resize
                addEvent(win, 'resize', subPixelFix);
        }
},

getStyle: function (style) {
        return (this.style = extend({
                fontFamily: '"Lucida Grande", "Lucida Sans Unicode", Arial, Helvetica, sans-serif', // default font
                fontSize: '12px'
        }, style));
},

/**
 * Detect whether the renderer is hidden. This happens when one of the parent elements
 * has display: none. #608.
 */
isHidden: function () {
        return !this.boxWrapper.getBBox().width;
},

/**
 * Destroys the renderer and its allocated members.
 */
destroy: function () {
        var renderer = this,
                rendererDefs = renderer.defs;
        renderer.box = null;
        renderer.boxWrapper = renderer.boxWrapper.destroy();

        // Call destroy on all gradient elements
        destroyObjectProperties(renderer.gradients || {});
        renderer.gradients = null;

        // Defs are null in VMLRenderer
        // Otherwise, destroy them here.
        if (rendererDefs) {
                renderer.defs = rendererDefs.destroy();
        }

        // Remove sub pixel fix handler
        // We need to check that there is a handler, otherwise all functions that are registered for event 'resize' are removed
        // See issue #982
        if (renderer.subPixelFix) {
                removeEvent(win, 'resize', renderer.subPixelFix);
        }

        renderer.alignedObjects = null;

        return null;
},

/**
 * Create a wrapper for an SVG element
 * @param {Object} nodeName
 */
createElement: function (nodeName) {
        var wrapper = new this.Element();
        wrapper.init(this, nodeName);
        return wrapper;
},

/**
 * Dummy function for use in canvas renderer
 */
draw: function () {},

/**
 * Parse a simple HTML string into SVG tspans
 *
 * @param {Object} textNode The parent text SVG node
 */
buildText: function (wrapper) {
        var textNode = wrapper.element,
                renderer = this,
                forExport = renderer.forExport,
                textStr = pick(wrapper.textStr, '').toString(),
                hasMarkup = textStr.indexOf('<') !== -1,
                lines,
                childNodes = textNode.childNodes,
                styleRegex,
                hrefRegex,
                parentX = attr(textNode, 'x'),
                textStyles = wrapper.styles,
                width = wrapper.textWidth,
                textLineHeight = textStyles && textStyles.lineHeight,
                i = childNodes.length,
                getLineHeight = function (tspan) {
                        return textLineHeight ? 
                                pInt(textLineHeight) :
                                renderer.fontMetrics(
                                        /(px|em)$/.test(tspan && tspan.style.fontSize) ?
                                                tspan.style.fontSize :
                                                ((textStyles && textStyles.fontSize) || renderer.style.fontSize || 12)
                                ).h;
                };

        /// remove old text
        while (i--) {
                textNode.removeChild(childNodes[i]);
        }

        // Skip tspans, add text directly to text node
        if (!hasMarkup && textStr.indexOf(' ') === -1) {
                textNode.appendChild(doc.createTextNode(textStr));
                return;

        // Complex strings, add more logic
        } else {

                styleRegex = /<.*style="([^"]+)".*>/;
                hrefRegex = /<.*href="(http[^"]+)".*>/;

                if (width && !wrapper.added) {
                        this.box.appendChild(textNode); // attach it to the DOM to read offset width
                }

                if (hasMarkup) {
                        lines = textStr
                                .replace(/<(b|strong)>/g, '<span style="font-weight:bold">')
                                .replace(/<(i|em)>/g, '<span style="font-style:italic">')
                                .replace(/<a/g, '<span')
                                .replace(/<\/(b|strong|i|em|a)>/g, '</span>')
                                .split(/<br.*?>/g);

                } else {
                        lines = [textStr];
                }

                // remove empty line at end
                if (lines[lines.length - 1] === '') {
                        lines.pop();
                }

                // build the lines
                each(lines, function (line, lineNo) {
                        var spans, spanNo = 0;

                        line = line.replace(/<span/g, '|||<span').replace(/<\/span>/g, '</span>|||');
                        spans = line.split('|||');

                        each(spans, function (span) {
                                if (span !== '' || spans.length === 1) {
                                        var attributes = {},
                                                tspan = doc.createElementNS(SVG_NS, 'tspan'),
                                                spanStyle; // #390
                                        if (styleRegex.test(span)) {
                                                spanStyle = span.match(styleRegex)[1].replace(/(;| |^)color([ :])/, '$1fill$2');
                                                attr(tspan, 'style', spanStyle);
                                        }
                                        if (hrefRegex.test(span) && !forExport) { // Not for export - #1529
                                                attr(tspan, 'onclick', 'location.href=\"' + span.match(hrefRegex)[1] + '\"');
                                                css(tspan, { cursor: 'pointer' });
                                        }

                                        span = (span.replace(/<(.|\n)*?>/g, '') || ' ')
                                                .replace(/&lt;/g, '<')
                                                .replace(/&gt;/g, '>');

                                        // Nested tags aren't supported, and cause crash in Safari (#1596)
                                        if (span !== ' ') {

                                                // add the text node
                                                tspan.appendChild(doc.createTextNode(span));

                                                if (!spanNo) { // first span in a line, align it to the left
                                                        if (lineNo && parentX !== null) {
                                                                attributes.x = parentX;
                                                        }
                                                } else {
                                                        attributes.dx = 0; // #16
                                                }

                                                // add attributes
                                                attr(tspan, attributes);

                                                // first span on subsequent line, add the line height
                                                if (!spanNo && lineNo) {

                                                        // allow getting the right offset height in exporting in IE
                                                        if (!hasSVG && forExport) {
                                                                css(tspan, { display: 'block' });
                                                        }

                                                        // Set the line height based on the font size of either
                                                        // the text element or the tspan element
                                                        attr(
                                                                tspan,
                                                                'dy',
                                                                getLineHeight(tspan),
                                                                // Safari 6.0.2 - too optimized for its own good (#1539)
                                                                // TODO: revisit this with future versions of Safari
                                                                isWebKit && tspan.offsetHeight
                                                        );
                                                }

                                                // Append it
                                                textNode.appendChild(tspan);

                                                spanNo++;

                                                // check width and apply soft breaks
                                                if (width) {
                                                        var words = span.replace(/([^\^])-/g, '$1- ').split(' '), // #1273
                                                                hasWhiteSpace = words.length > 1 && textStyles.whiteSpace !== 'nowrap',
                                                                tooLong,
                                                                actualWidth,
                                                                clipHeight = wrapper._clipHeight,
                                                                rest = [],
                                                                dy = getLineHeight(),
                                                                softLineNo = 1,
                                                                bBox;

                                                        while (hasWhiteSpace && (words.length || rest.length)) {
                                                                delete wrapper.bBox; // delete cache
                                                                bBox = wrapper.getBBox();
                                                                actualWidth = bBox.width;

                                                                // Old IE cannot measure the actualWidth for SVG elements (#2314)
                                                                if (!hasSVG && renderer.forExport) {
                                                                        actualWidth = renderer.measureSpanWidth(tspan.firstChild.data, wrapper.styles);
                                                                }

                                                                tooLong = actualWidth > width;
                                                                if (!tooLong || words.length === 1) { // new line needed
                                                                        words = rest;
                                                                        rest = [];
                                                                        if (words.length) {
                                                                                softLineNo++;

                                                                                if (clipHeight && softLineNo * dy > clipHeight) {
                                                                                        words = ['...'];
                                                                                        wrapper.attr('title', wrapper.textStr);
                                                                                } else {

                                                                                        tspan = doc.createElementNS(SVG_NS, 'tspan');
                                                                                        attr(tspan, {
                                                                                                dy: dy,
                                                                                                x: parentX
                                                                                        });
                                                                                        if (spanStyle) { // #390
                                                                                                attr(tspan, 'style', spanStyle);
                                                                                        }
                                                                                        textNode.appendChild(tspan);

                                                                                        if (actualWidth > width) { // a single word is pressing it out
                                                                                                width = actualWidth;
                                                                                        }
                                                                                }
                                                                        }
                                                                } else { // append to existing line tspan
                                                                        tspan.removeChild(tspan.firstChild);
                                                                        rest.unshift(words.pop());
                                                                }
                                                                if (words.length) {
                                                                        tspan.appendChild(doc.createTextNode(words.join(' ').replace(/- /g, '-')));
                                                                }
                                                        }
                                                }
                                        }
                                }
                        });
                });
        }
},

/**
 * Create a button with preset states
 * @param {String} text
 * @param {Number} x
 * @param {Number} y
 * @param {Function} callback
 * @param {Object} normalState
 * @param {Object} hoverState
 * @param {Object} pressedState
 */
button: function (text, x, y, callback, normalState, hoverState, pressedState, disabledState, shape) {
        var label = this.label(text, x, y, shape, null, null, null, null, 'button'),
                curState = 0,
                stateOptions,
                stateStyle,
                normalStyle,
                hoverStyle,
                pressedStyle,
                disabledStyle,
                verticalGradient = { x1: 0, y1: 0, x2: 0, y2: 1 };

        // Normal state - prepare the attributes
        normalState = merge({
                'stroke-width': 1,
                stroke: '#CCCCCC',
                fill: {
                        linearGradient: verticalGradient,
                        stops: [
                                [0, '#FEFEFE'],
                                [1, '#F6F6F6']
                        ]
                },
                r: 2,
                padding: 5,
                style: {
                        color: 'black'
                }
        }, normalState);
        normalStyle = normalState.style;
        delete normalState.style;

        // Hover state
        hoverState = merge(normalState, {
                stroke: '#68A',
                fill: {
                        linearGradient: verticalGradient,
                        stops: [
                                [0, '#FFF'],
                                [1, '#ACF']
                        ]
                }
        }, hoverState);
        hoverStyle = hoverState.style;
        delete hoverState.style;

        // Pressed state
        pressedState = merge(normalState, {
                stroke: '#68A',
                fill: {
                        linearGradient: verticalGradient,
                        stops: [
                                [0, '#9BD'],
                                [1, '#CDF']
                        ]
                }
        }, pressedState);
        pressedStyle = pressedState.style;
        delete pressedState.style;

        // Disabled state
        disabledState = merge(normalState, {
                style: {
                        color: '#CCC'
                }
        }, disabledState);
        disabledStyle = disabledState.style;
        delete disabledState.style;

        // Add the events. IE9 and IE10 need mouseover and mouseout to funciton (#667).
        addEvent(label.element, isIE ? 'mouseover' : 'mouseenter', function () {
                if (curState !== 3) {
                        label.attr(hoverState)
                                .css(hoverStyle);
                }
        });
        addEvent(label.element, isIE ? 'mouseout' : 'mouseleave', function () {
                if (curState !== 3) {
                        stateOptions = [normalState, hoverState, pressedState][curState];
                        stateStyle = [normalStyle, hoverStyle, pressedStyle][curState];
                        label.attr(stateOptions)
                                .css(stateStyle);
                }
        });

        label.setState = function (state) {
                label.state = curState = state;
                if (!state) {
                        label.attr(normalState)
                                .css(normalStyle);
                } else if (state === 2) {
                        label.attr(pressedState)
                                .css(pressedStyle);
                } else if (state === 3) {
                        label.attr(disabledState)
                                .css(disabledStyle);
                }
        };

        return label
                .on('click', function () {
                        if (curState !== 3) {
                                callback.call(label);
                        }
                })
                .attr(normalState)
                .css(extend({ cursor: 'default' }, normalStyle));
},

/**
 * Make a straight line crisper by not spilling out to neighbour pixels
 * @param {Array} points
 * @param {Number} width
 */
crispLine: function (points, width) {
        // points format: [M, 0, 0, L, 100, 0]
        // normalize to a crisp line
        if (points[1] === points[4]) {
                // Substract due to #1129. Now bottom and left axis gridlines behave the same.
                points[1] = points[4] = mathRound(points[1]) - (width % 2 / 2);
        }
        if (points[2] === points[5]) {
                points[2] = points[5] = mathRound(points[2]) + (width % 2 / 2);
        }
        return points;
},

/**
 * Draw a path
 * @param {Array} path An SVG path in array form
 */
path: function (path) {
        var attr = {
                fill: NONE
        };
        if (isArray(path)) {
                attr.d = path;
        } else if (isObject(path)) { // attributes
                extend(attr, path);
        }
        return this.createElement('path').attr(attr);
},

/**
 * Draw and return an SVG circle
 * @param {Number} x The x position
 * @param {Number} y The y position
 * @param {Number} r The radius
 */
circle: function (x, y, r) {
        var attr = isObject(x) ?
                x :
                {
                        x: x,
                        y: y,
                        r: r
                },
                wrapper = this.createElement('circle');

        wrapper.xSetter = function (value) {
                this.element.setAttribute('cx', value);
        };
        wrapper.ySetter = function (value) {
                this.element.setAttribute('cy', value);
        };
        return wrapper.attr(attr);
},

/**
 * Draw and return an arc
 * @param {Number} x X position
 * @param {Number} y Y position
 * @param {Number} r Radius
 * @param {Number} innerR Inner radius like used in donut charts
 * @param {Number} start Starting angle
 * @param {Number} end Ending angle
 */
arc: function (x, y, r, innerR, start, end) {
        var arc;

        if (isObject(x)) {
                y = x.y;
                r = x.r;
                innerR = x.innerR;
                start = x.start;
                end = x.end;
                x = x.x;
        }

        // Arcs are defined as symbols for the ability to set
        // attributes in attr and animate
        arc = this.symbol('arc', x || 0, y || 0, r || 0, r || 0, {
                innerR: innerR || 0,
                start: start || 0,
                end: end || 0
        });
        arc.r = r; // #959
        return arc;
},

/**
 * Draw and return a rectangle
 * @param {Number} x Left position
 * @param {Number} y Top position
 * @param {Number} width
 * @param {Number} height
 * @param {Number} r Border corner radius
 * @param {Number} strokeWidth A stroke width can be supplied to allow crisp drawing
 */
rect: function (x, y, width, height, r, strokeWidth) {

        r = isObject(x) ? x.r : r;

        var wrapper = this.createElement('rect'),
                attribs = isObject(x) ? x : x === UNDEFINED ? {} : {
                        x: x,
                        y: y,
                        width: mathMax(width, 0),
                        height: mathMax(height, 0)
                };

        if (strokeWidth !== UNDEFINED) {
                attribs.strokeWidth = strokeWidth;
                attribs = wrapper.crisp(attribs);
        }

        if (r) {
                attribs.r = r;
        }

        wrapper.rSetter = function (value) {
                attr(this.element, {
                        rx: value,
                        ry: value
                });
        };

        return wrapper.attr(attribs);
},

/**
 * Resize the box and re-align all aligned elements
 * @param {Object} width
 * @param {Object} height
 * @param {Boolean} animate
 *
 */
setSize: function (width, height, animate) {
        var renderer = this,
                alignedObjects = renderer.alignedObjects,
                i = alignedObjects.length;

        renderer.width = width;
        renderer.height = height;

        renderer.boxWrapper[pick(animate, true) ? 'animate' : 'attr']({
                width: width,
                height: height
        });

        while (i--) {
                alignedObjects[i].align();
        }
},

/**
 * Create a group
 * @param {String} name The group will be given a class name of 'highcharts-{name}'.
 *     This can be used for styling and scripting.
 */
g: function (name) {
        var elem = this.createElement('g');
        return defined(name) ? elem.attr({ 'class': PREFIX + name }) : elem;
},

/**
 * Display an image
 * @param {String} src
 * @param {Number} x
 * @param {Number} y
 * @param {Number} width
 * @param {Number} height
 */
image: function (src, x, y, width, height) {
        var attribs = {
                        preserveAspectRatio: NONE
                },
                elemWrapper;

        // optional properties
        if (arguments.length > 1) {
                extend(attribs, {
                        x: x,
                        y: y,
                        width: width,
                        height: height
                });
        }

        elemWrapper = this.createElement('image').attr(attribs);

        // set the href in the xlink namespace
        if (elemWrapper.element.setAttributeNS) {
                elemWrapper.element.setAttributeNS('http://www.w3.org/1999/xlink',
                        'href', src);
        } else {
                // could be exporting in IE
                // using href throws "not supported" in ie7 and under, requries regex shim to fix later
                elemWrapper.element.setAttribute('hc-svg-href', src);
}

        return elemWrapper;
},

/**
 * Draw a symbol out of pre-defined shape paths from the namespace 'symbol' object.
 *
 * @param {Object} symbol
 * @param {Object} x
 * @param {Object} y
 * @param {Object} radius
 * @param {Object} options
 */
symbol: function (symbol, x, y, width, height, options) {

        var obj,

                // get the symbol definition function
                symbolFn = this.symbols[symbol],

                // check if there's a path defined for this symbol
                path = symbolFn && symbolFn(
                        mathRound(x),
                        mathRound(y),
                        width,
                        height,
                        options
                ),

                imageElement,
                imageRegex = /^url\((.*?)\)$/,
                imageSrc,
                imageSize,
                centerImage;

        if (path) {

                obj = this.path(path);
                // expando properties for use in animate and attr
                extend(obj, {
                        symbolName: symbol,
                        x: x,
                        y: y,
                        width: width,
                        height: height
                });
                if (options) {
                        extend(obj, options);
                }

        // image symbols
        } else if (imageRegex.test(symbol)) {

                // On image load, set the size and position
                centerImage = function (img, size) {
                        if (img.element) { // it may be destroyed in the meantime (#1390)
                                img.attr({
                                        width: size[0],
                                        height: size[1]
                                });

                                if (!img.alignByTranslate) { // #185
                                        img.translate(
                                                mathRound((width - size[0]) / 2), // #1378
                                                mathRound((height - size[1]) / 2)
                                        );
                                }
                        }
                };

                imageSrc = symbol.match(imageRegex)[1];
                imageSize = symbolSizes[imageSrc];

                // Ireate the image synchronously, add attribs async
                obj = this.image(imageSrc)
                        .attr({
                                x: x,
                                y: y
                        });
                obj.isImg = true;

                if (imageSize) {
                        centerImage(obj, imageSize);
                } else {
                        // Initialize image to be 0 size so export will still function if there's no cached sizes.
                        //
                        obj.attr({ width: 0, height: 0 });

                        // Create a dummy JavaScript image to get the width and height. Due to a bug in IE < 8,
                        // the created element must be assigned to a variable in order to load (#292).
                        imageElement = createElement('img', {
                                onload: function () {
                                        centerImage(obj, symbolSizes[imageSrc] = [this.width, this.height]);
                                },
                                src: imageSrc
                        });
                }
        }

        return obj;
},

/**
 * An extendable collection of functions for defining symbol paths.
 */
symbols: {
        'circle': function (x, y, w, h) {
                var cpw = 0.166 * w;
                return [
                        M, x + w / 2, y,
                        'C', x + w + cpw, y, x + w + cpw, y + h, x + w / 2, y + h,
                        'C', x - cpw, y + h, x - cpw, y, x + w / 2, y,
                        'Z'
                ];
        },

        'square': function (x, y, w, h) {
                return [
                        M, x, y,
                        L, x + w, y,
                        x + w, y + h,
                        x, y + h,
                        'Z'
                ];
        },

        'triangle': function (x, y, w, h) {
                return [
                        M, x + w / 2, y,
                        L, x + w, y + h,
                        x, y + h,
                        'Z'
                ];
        },

        'triangle-down': function (x, y, w, h) {
                return [
                        M, x, y,
                        L, x + w, y,
                        x + w / 2, y + h,
                        'Z'
                ];
        },
        'diamond': function (x, y, w, h) {
                return [
                        M, x + w / 2, y,
                        L, x + w, y + h / 2,
                        x + w / 2, y + h,
                        x, y + h / 2,
                        'Z'
                ];
        },
        'arc': function (x, y, w, h, options) {
                var start = options.start,
                        radius = options.r || w || h,
                        end = options.end - 0.001, // to prevent cos and sin of start and end from becoming equal on 360 arcs (related: #1561)
                        innerRadius = options.innerR,
                        open = options.open,
                        cosStart = mathCos(start),
                        sinStart = mathSin(start),
                        cosEnd = mathCos(end),
                        sinEnd = mathSin(end),
                        longArc = options.end - start < mathPI ? 0 : 1;

                return [
                        M,
                        x + radius * cosStart,
                        y + radius * sinStart,
                        'A', // arcTo
                        radius, // x radius
                        radius, // y radius
                        0, // slanting
                        longArc, // long or short arc
                        1, // clockwise
                        x + radius * cosEnd,
                        y + radius * sinEnd,
                        open ? M : L,
                        x + innerRadius * cosEnd,
                        y + innerRadius * sinEnd,
                        'A', // arcTo
                        innerRadius, // x radius
                        innerRadius, // y radius
                        0, // slanting
                        longArc, // long or short arc
                        0, // clockwise
                        x + innerRadius * cosStart,
                        y + innerRadius * sinStart,

                        open ? '' : 'Z' // close
                ];
        },

        /**
         * Callout shape used for default tooltips, also used for rounded rectangles in VML
         */
        callout: function (x, y, w, h, options) {
                var arrowLength = 6,
                        halfDistance = 6,
                        r = mathMin((options && options.r) || 0, w, h),
                        safeDistance = r + halfDistance,
                        anchorX = options && options.anchorX,
                        anchorY = options && options.anchorY,
                        path,
                        normalizer = mathRound(options.strokeWidth || 0) % 2 / 2; // mathRound because strokeWidth can sometimes have roundoff errors;

                x += normalizer;
                y += normalizer;
                path = [
                        'M', x + r, y, 
                        'L', x + w - r, y, // top side
                        'C', x + w, y, x + w, y, x + w, y + r, // top-right corner
                        'L', x + w, y + h - r, // right side
                        'C', x + w, y + h, x + w, y + h, x + w - r, y + h, // bottom-right corner
                        'L', x + r, y + h, // bottom side
                        'C', x, y + h, x, y + h, x, y + h - r, // bottom-left corner
                        'L', x, y + r, // left side
                        'C', x, y, x, y, x + r, y // top-right corner
                ];

                if (anchorX && anchorX > w && anchorY > y + safeDistance && anchorY < y + h - safeDistance) { // replace right side
                        path.splice(13, 3,
                                'L', x + w, anchorY - halfDistance, 
                                x + w + arrowLength, anchorY,
                                x + w, anchorY + halfDistance,
                                x + w, y + h - r
                        );
                } else if (anchorX && anchorX < 0 && anchorY > y + safeDistance && anchorY < y + h - safeDistance) { // replace left side
                        path.splice(33, 3, 
                                'L', x, anchorY + halfDistance, 
                                x - arrowLength, anchorY,
                                x, anchorY - halfDistance,
                                x, y + r
                        );
                } else if (anchorY && anchorY > h && anchorX > x + safeDistance && anchorX < x + w - safeDistance) { // replace bottom
                        path.splice(23, 3,
                                'L', anchorX + halfDistance, y + h,
                                anchorX, y + h + arrowLength,
                                anchorX - halfDistance, y + h,
                                x + r, y + h
                        );
                } else if (anchorY && anchorY < 0 && anchorX > x + safeDistance && anchorX < x + w - safeDistance) { // replace top
                        path.splice(3, 3,
                                'L', anchorX - halfDistance, y,
                                anchorX, y - arrowLength,
                                anchorX + halfDistance, y,
                                w - r, y
                        );
                }
                return path;
        }
},

/**
 * Define a clipping rectangle
 * @param {String} id
 * @param {Number} x
 * @param {Number} y
 * @param {Number} width
 * @param {Number} height
 */
clipRect: function (x, y, width, height) {
        var wrapper,
                id = PREFIX + idCounter++,

                clipPath = this.createElement('clipPath').attr({
                        id: id
                }).add(this.defs);

        wrapper = this.rect(x, y, width, height, 0).add(clipPath);
        wrapper.id = id;
        wrapper.clipPath = clipPath;

        return wrapper;
},

/**
 * Add text to the SVG object
 * @param {String} str
 * @param {Number} x Left position
 * @param {Number} y Top position
 * @param {Boolean} useHTML Use HTML to render the text
 */
text: function (str, x, y, useHTML) {

        // declare variables
        var renderer = this,
                fakeSVG = useCanVG || (!hasSVG && renderer.forExport),
                wrapper,
                attr = {};

        if (useHTML && !renderer.forExport) {
                return renderer.html(str, x, y);
        }

        attr.x = Math.round(x || 0); // X is always needed for line-wrap logic
        if (y) {
                attr.y = Math.round(y);
        }
        if (str || str === 0) {
                attr.text = str;
        }

        wrapper = renderer.createElement('text')
                .attr(attr);

        // Prevent wrapping from creating false offsetWidths in export in legacy IE (#1079, #1063)
        if (fakeSVG) {
                wrapper.css({
                        position: ABSOLUTE
                });
        }

        if (!useHTML) {
                wrapper.xSetter = function (value, key, element) {
                        var childNodes = element.childNodes,
                                child,
                                i;
                        for (i = 1; i < childNodes.length; i++) {
                                child = childNodes[i];
                                // if the x values are equal, the tspan represents a linebreak
                                if (child.getAttribute('x') === element.getAttribute('x')) {
                                        child.setAttribute('x', value);
                                }
                        }
                        element.setAttribute(key, value);
                };
        }

        return wrapper;
},

/**
 * Utility to return the baseline offset and total line height from the font size
 */
fontMetrics: function (fontSize) {
        fontSize = fontSize || this.style.fontSize;
        fontSize = /px/.test(fontSize) ? pInt(fontSize) : /em/.test(fontSize) ? parseFloat(fontSize) * 12 : 12;

        // Empirical values found by comparing font size and bounding box height.
        // Applies to the default font family. http://jsfiddle.net/highcharts/7xvn7/
        var lineHeight = fontSize < 24 ? fontSize + 4 : mathRound(fontSize * 1.2),
                baseline = mathRound(lineHeight * 0.8);

        return {
                h: lineHeight,
                b: baseline
        };
},

/**
 * Add a label, a text item that can hold a colored or gradient background
 * as well as a border and shadow.
 * @param {string} str
 * @param {Number} x
 * @param {Number} y
 * @param {String} shape
 * @param {Number} anchorX In case the shape has a pointer, like a flag, this is the
 *    coordinates it should be pinned to
 * @param {Number} anchorY
 * @param {Boolean} baseline Whether to position the label relative to the text baseline,
 *    like renderer.text, or to the upper border of the rectangle.
 * @param {String} className Class name for the group
 */
label: function (str, x, y, shape, anchorX, anchorY, useHTML, baseline, className) {

        var renderer = this,
                wrapper = renderer.g(className),
                text = renderer.text('', 0, 0, useHTML)
                        .attr({
                                zIndex: 1
                        }),
                        //.add(wrapper),
                box,
                bBox,
                alignFactor = 0,
                padding = 3,
                paddingLeft = 0,
                width,
                height,
                wrapperX,
                wrapperY,
                crispAdjust = 0,
                deferredAttr = {},
                baselineOffset,
                needsBox;

        /**
         * This function runs after the label is added to the DOM (when the bounding box is
         * available), and after the text of the label is updated to detect the new bounding
         * box and reflect it in the border box.
         */
        function updateBoxSize() {
                var boxX,
                        boxY,
                        style = text.element.style;

                bBox = (width === undefined || height === undefined || wrapper.styles.textAlign) && text.textStr && 
                        text.getBBox();
                wrapper.width = (width || bBox.width || 0) + 2 * padding + paddingLeft;
                wrapper.height = (height || bBox.height || 0) + 2 * padding;

                // update the label-scoped y offset
                baselineOffset = padding + renderer.fontMetrics(style && style.fontSize).b;

                if (needsBox) {

                        // create the border box if it is not already present
                        if (!box) {
                                boxX = mathRound(-alignFactor * padding);
                                boxY = baseline ? -baselineOffset : 0;

                                wrapper.box = box = shape ?
                                        renderer.symbol(shape, boxX, boxY, wrapper.width, wrapper.height, deferredAttr) :
                                        renderer.rect(boxX, boxY, wrapper.width, wrapper.height, 0, deferredAttr[STROKE_WIDTH]);
                                box.attr('fill', NONE).add(wrapper);
                        }

                        // apply the box attributes
                        if (!box.isImg) { // #1630
                                box.attr(extend({
                                        width: mathRound(wrapper.width),
                                        height: mathRound(wrapper.height)
                                }, deferredAttr));
                        }
                        deferredAttr = null;
                }
        }

        /**
         * This function runs after setting text or padding, but only if padding is changed
         */
        function updateTextPadding() {
                var styles = wrapper.styles,
                        textAlign = styles && styles.textAlign,
                        x = paddingLeft + padding * (1 - alignFactor),
                        y;

                // determin y based on the baseline
                y = baseline ? 0 : baselineOffset;

                // compensate for alignment
                if (defined(width) && bBox && (textAlign === 'center' || textAlign === 'right')) {
                        x += { center: 0.5, right: 1 }[textAlign] * (width - bBox.width);
                }

                // update if anything changed
                if (x !== text.x || y !== text.y) {
                        text.attr('x', x);
                        if (y !== UNDEFINED) {
                                text.attr('y', y);
                        }
                }

                // record current values
                text.x = x;
                text.y = y;
        }

        /**
         * Set a box attribute, or defer it if the box is not yet created
         * @param {Object} key
         * @param {Object} value
         */
        function boxAttr(key, value) {
                if (box) {
                        box.attr(key, value);
                } else {
                        deferredAttr[key] = value;
                }
        }

        /**
         * After the text element is added, get the desired size of the border box
         * and add it before the text in the DOM.
         */
        wrapper.onAdd = function () {
                text.add(wrapper);
                wrapper.attr({
                        text: str || '', // alignment is available now
                        x: x,
                        y: y
                });

                if (box && defined(anchorX)) {
                        wrapper.attr({
                                anchorX: anchorX,
                                anchorY: anchorY
                        });
                }
        };

        /*
         * Add specific attribute setters.
         */

        // only change local variables
        wrapper.widthSetter = function (value) {
                width = value;
        };
        wrapper.heightSetter = function (value) {
                height = value;
        };
        wrapper.paddingSetter =  function (value) {
                if (defined(value) && value !== padding) {
                        padding = value;
                        updateTextPadding();
                }
        };
        wrapper.paddingLeftSetter =  function (value) {
                if (defined(value) && value !== paddingLeft) {
                        paddingLeft = value;
                        updateTextPadding();
                }
        };

        // change local variable and prevent setting attribute on the group
        wrapper.alignSetter = function (value) {
                alignFactor = { left: 0, center: 0.5, right: 1 }[value];
        };

        // apply these to the box and the text alike
        wrapper.textSetter = function (value) {
                if (value !== UNDEFINED) {
                        text.textSetter(value);
                }
                updateBoxSize();
                updateTextPadding();
        };

        // apply these to the box but not to the text
        wrapper['stroke-widthSetter'] = function (value, key) {
                if (value) {
                        needsBox = true;
                }
                crispAdjust = value % 2 / 2;
                boxAttr(key, value);
        };
        wrapper.strokeSetter = wrapper.fillSetter = wrapper.rSetter = function (value, key) {
                if (key === 'fill' && value) {
                        needsBox = true;
                }
                boxAttr(key, value);
        };
        wrapper.anchorXSetter = function (value, key) {
                anchorX = value;
                boxAttr(key, value + crispAdjust - wrapperX);
        };
        wrapper.anchorYSetter = function (value, key) {
                anchorY = value;
                boxAttr(key, value - wrapperY);
        };

        // rename attributes
        wrapper.xSetter = function (value) {
                wrapper.x = value; // for animation getter
                if (alignFactor) {
                        value -= alignFactor * ((width || bBox.width) + padding);
                }
                wrapperX = mathRound(value);
                wrapper.attr('translateX', wrapperX);
        };
        wrapper.ySetter = function (value) {
                wrapperY = wrapper.y = mathRound(value);
                wrapper.attr('translateY', wrapperY);
        };

        // Redirect certain methods to either the box or the text
        var baseCss = wrapper.css;
        return extend(wrapper, {
                /**
                 * Pick up some properties and apply them to the text instead of the wrapper
                 */
                css: function (styles) {
                        if (styles) {
                                var textStyles = {};
                                styles = merge(styles); // create a copy to avoid altering the original object (#537)
                                each(['fontSize', 'fontWeight', 'fontFamily', 'color', 'lineHeight', 'width', 'textDecoration', 'textShadow'], function (prop) {
                                        if (styles[prop] !== UNDEFINED) {
                                                textStyles[prop] = styles[prop];
                                                delete styles[prop];
                                        }
                                });
                                text.css(textStyles);
                        }
                        return baseCss.call(wrapper, styles);
                },
                /**
                 * Return the bounding box of the box, not the group
                 */
                getBBox: function () {
                        return {
                                width: bBox.width + 2 * padding,
                                height: bBox.height + 2 * padding,
                                x: bBox.x - padding,
                                y: bBox.y - padding
                        };
                },
                /**
                 * Apply the shadow to the box
                 */
                shadow: function (b) {
                        if (box) {
                                box.shadow(b);
                        }
                        return wrapper;
                },
                /**
                 * Destroy and release memory.
                 */
                destroy: function () {

                        // Added by button implementation
                        removeEvent(wrapper.element, 'mouseenter');
                        removeEvent(wrapper.element, 'mouseleave');

                        if (text) {
                                text = text.destroy();
                        }
                        if (box) {
                                box = box.destroy();
                        }
                        // Call base implementation to destroy the rest
                        SVGElement.prototype.destroy.call(wrapper);

                        // Release local pointers (#1298)
                        wrapper = renderer = updateBoxSize = updateTextPadding = boxAttr = null;
                }
        });
}

}; // end SVGRenderer

// general renderer Renderer = SVGRenderer; // extend SvgElement for useHTML option extend(SVGElement.prototype, {

/**
 * Apply CSS to HTML elements. This is used in text within SVG rendering and
 * by the VML renderer
 */
htmlCss: function (styles) {
        var wrapper = this,
                element = wrapper.element,
                textWidth = styles && element.tagName === 'SPAN' && styles.width;

        if (textWidth) {
                delete styles.width;
                wrapper.textWidth = textWidth;
                wrapper.updateTransform();
        }

        wrapper.styles = extend(wrapper.styles, styles);
        css(wrapper.element, styles);

        return wrapper;
},

/**
 * VML and useHTML method for calculating the bounding box based on offsets
 * @param {Boolean} refresh Whether to force a fresh value from the DOM or to
 * use the cached value
 *
 * @return {Object} A hash containing values for x, y, width and height
 */

htmlGetBBox: function () {
        var wrapper = this,
                element = wrapper.element,
                bBox = wrapper.bBox;

        // faking getBBox in exported SVG in legacy IE
        if (!bBox) {
                // faking getBBox in exported SVG in legacy IE (is this a duplicate of the fix for #1079?)
                if (element.nodeName === 'text') {
                        element.style.position = ABSOLUTE;
                }

                bBox = wrapper.bBox = {
                        x: element.offsetLeft,
                        y: element.offsetTop,
                        width: element.offsetWidth,
                        height: element.offsetHeight
                };
        }

        return bBox;
},

/**
 * VML override private method to update elements based on internal
 * properties based on SVG transform
 */
htmlUpdateTransform: function () {
        // aligning non added elements is expensive
        if (!this.added) {
                this.alignOnAdd = true;
                return;
        }

        var wrapper = this,
                renderer = wrapper.renderer,
                elem = wrapper.element,
                translateX = wrapper.translateX || 0,
                translateY = wrapper.translateY || 0,
                x = wrapper.x || 0,
                y = wrapper.y || 0,
                align = wrapper.textAlign || 'left',
                alignCorrection = { left: 0, center: 0.5, right: 1 }[align],
                shadows = wrapper.shadows;

        // apply translate
        css(elem, {
                marginLeft: translateX,
                marginTop: translateY
        });
        if (shadows) { // used in labels/tooltip
                each(shadows, function (shadow) {
                        css(shadow, {
                                marginLeft: translateX + 1,
                                marginTop: translateY + 1
                        });
                });
        }

        // apply inversion
        if (wrapper.inverted) { // wrapper is a group
                each(elem.childNodes, function (child) {
                        renderer.invertChild(child, elem);
                });
        }

        if (elem.tagName === 'SPAN') {

                var width,
                        rotation = wrapper.rotation,
                        baseline,
                        textWidth = pInt(wrapper.textWidth),
                        currentTextTransform = [rotation, align, elem.innerHTML, wrapper.textWidth].join(',');

                if (currentTextTransform !== wrapper.cTT) { // do the calculations and DOM access only if properties changed

                        baseline = renderer.fontMetrics(elem.style.fontSize).b;

                        // Renderer specific handling of span rotation
                        if (defined(rotation)) {
                                wrapper.setSpanRotation(rotation, alignCorrection, baseline);
                        }

                        width = pick(wrapper.elemWidth, elem.offsetWidth);

                        // Update textWidth
                        if (width > textWidth && /[ \-]/.test(elem.textContent || elem.innerText)) { // #983, #1254
                                css(elem, {
                                        width: textWidth + PX,
                                        display: 'block',
                                        whiteSpace: 'normal'
                                });
                                width = textWidth;
                        }

                        wrapper.getSpanCorrection(width, baseline, alignCorrection, rotation, align);
                }

                // apply position with correction
                css(elem, {
                        left: (x + (wrapper.xCorr || 0)) + PX,
                        top: (y + (wrapper.yCorr || 0)) + PX
                });

                // force reflow in webkit to apply the left and top on useHTML element (#1249)
                if (isWebKit) {
                        baseline = elem.offsetHeight; // assigned to baseline for JSLint purpose
                }

                // record current text transform
                wrapper.cTT = currentTextTransform;
        }
},

/**
 * Set the rotation of an individual HTML span
 */
setSpanRotation: function (rotation, alignCorrection, baseline) {
        var rotationStyle = {},
                cssTransformKey = isIE ? '-ms-transform' : isWebKit ? '-webkit-transform' : isFirefox ? 'MozTransform' : isOpera ? '-o-transform' : '';

        rotationStyle[cssTransformKey] = rotationStyle.transform = 'rotate(' + rotation + 'deg)';
        rotationStyle[cssTransformKey + (isFirefox ? 'Origin' : '-origin')] = rotationStyle.transformOrigin = (alignCorrection * 100) + '% ' + baseline + 'px';
        css(this.element, rotationStyle);
},

/**
 * Get the correction in X and Y positioning as the element is rotated.
 */
getSpanCorrection: function (width, baseline, alignCorrection) {
        this.xCorr = -width * alignCorrection;
        this.yCorr = -baseline;
}

});

// Extend SvgRenderer for useHTML option. extend(SVGRenderer.prototype, {

/**
 * Create HTML text node. This is used by the VML renderer as well as the SVG
 * renderer through the useHTML option.
 *
 * @param {String} str
 * @param {Number} x
 * @param {Number} y
 */
html: function (str, x, y) {
        var wrapper = this.createElement('span'),
                element = wrapper.element,
                renderer = wrapper.renderer;

        // Text setter
        wrapper.textSetter = function (value) {
                if (value !== element.innerHTML) {
                        delete this.bBox;
                }
                element.innerHTML = this.textStr = value;
        };

        // Various setters which rely on update transform
        wrapper.xSetter = wrapper.ySetter = wrapper.alignSetter = wrapper.rotationSetter = function (value, key) {
                if (key === 'align') {
                        key = 'textAlign'; // Do not overwrite the SVGElement.align method. Same as VML.
                }
                wrapper[key] = value;
                wrapper.htmlUpdateTransform();
        };

        // Set the default attributes
        wrapper.attr({
                        text: str,
                        x: mathRound(x),
                        y: mathRound(y)
                })
                .css({
                        position: ABSOLUTE,
                        whiteSpace: 'nowrap',
                        fontFamily: this.style.fontFamily,
                        fontSize: this.style.fontSize
                });

        // Use the HTML specific .css method
        wrapper.css = wrapper.htmlCss;

        // This is specific for HTML within SVG
        if (renderer.isSVG) {
                wrapper.add = function (svgGroupWrapper) {

                        var htmlGroup,
                                container = renderer.box.parentNode,
                                parentGroup,
                                parents = [];

                        this.parentGroup = svgGroupWrapper;

                        // Create a mock group to hold the HTML elements
                        if (svgGroupWrapper) {
                                htmlGroup = svgGroupWrapper.div;
                                if (!htmlGroup) {

                                        // Read the parent chain into an array and read from top down
                                        parentGroup = svgGroupWrapper;
                                        while (parentGroup) {

                                                parents.push(parentGroup);

                                                // Move up to the next parent group
                                                parentGroup = parentGroup.parentGroup;
                                        }

                                        // Ensure dynamically updating position when any parent is translated
                                        each(parents.reverse(), function (parentGroup) {
                                                var htmlGroupStyle;

                                                // Create a HTML div and append it to the parent div to emulate
                                                // the SVG group structure
                                                htmlGroup = parentGroup.div = parentGroup.div || createElement(DIV, {
                                                        className: attr(parentGroup.element, 'class')
                                                }, {
                                                        position: ABSOLUTE,
                                                        left: (parentGroup.translateX || 0) + PX,
                                                        top: (parentGroup.translateY || 0) + PX
                                                }, htmlGroup || container); // the top group is appended to container

                                                // Shortcut
                                                htmlGroupStyle = htmlGroup.style;

                                                // Set listeners to update the HTML div's position whenever the SVG group
                                                // position is changed
                                                extend(parentGroup, {
                                                        translateXSetter: function (value, key) {
                                                                htmlGroupStyle.left = value + PX;
                                                                parentGroup[key] = value;
                                                                parentGroup.doTransform = true;
                                                        },
                                                        translateYSetter: function (value, key) {
                                                                htmlGroupStyle.top = value + PX;
                                                                parentGroup[key] = value;
                                                                parentGroup.doTransform = true;
                                                        },
                                                        visibilitySetter: function (value, key) {
                                                                htmlGroupStyle[key] = value;
                                                        }
                                                });
                                        });

                                }
                        } else {
                                htmlGroup = container;
                        }

                        htmlGroup.appendChild(element);

                        // Shared with VML:
                        wrapper.added = true;
                        if (wrapper.alignOnAdd) {
                                wrapper.htmlUpdateTransform();
                        }

                        return wrapper;
                };
        }
        return wrapper;
}

});

/* ****************************************************************************

*                                                                            *
* START OF INTERNET EXPLORER <= 8 SPECIFIC CODE                              *
*                                                                            *
* For applications and websites that don't need IE support, like platform    *
* targeted mobile apps and web apps, this code can be removed.               *
*                                                                            *
*****************************************************************************/

/**

* @constructor
*/

var VMLRenderer, VMLElement; if (!hasSVG && !useCanVG) {

/**

* The VML element wrapper.
*/

Highcharts.VMLElement = VMLElement = {

/**
 * Initialize a new VML element wrapper. It builds the markup as a string
 * to minimize DOM traffic.
 * @param {Object} renderer
 * @param {Object} nodeName
 */
init: function (renderer, nodeName) {
        var wrapper = this,
                markup =  ['<', nodeName, ' filled="f" stroked="f"'],
                style = ['position: ', ABSOLUTE, ';'],
                isDiv = nodeName === DIV;

        // divs and shapes need size
        if (nodeName === 'shape' || isDiv) {
                style.push('left:0;top:0;width:1px;height:1px;');
        }
        style.push('visibility: ', isDiv ? HIDDEN : VISIBLE);

        markup.push(' style="', style.join(''), '"/>');

        // create element with default attributes and style
        if (nodeName) {
                markup = isDiv || nodeName === 'span' || nodeName === 'img' ?
                        markup.join('')
                        : renderer.prepVML(markup);
                wrapper.element = createElement(markup);
        }

        wrapper.renderer = renderer;
},

/**
 * Add the node to the given parent
 * @param {Object} parent
 */
add: function (parent) {
        var wrapper = this,
                renderer = wrapper.renderer,
                element = wrapper.element,
                box = renderer.box,
                inverted = parent && parent.inverted,

                // get the parent node
                parentNode = parent ?
                        parent.element || parent :
                        box;

        // if the parent group is inverted, apply inversion on all children
        if (inverted) { // only on groups
                renderer.invertChild(element, parentNode);
        }

        // append it
        parentNode.appendChild(element);

        // align text after adding to be able to read offset
        wrapper.added = true;
        if (wrapper.alignOnAdd && !wrapper.deferUpdateTransform) {
                wrapper.updateTransform();
        }

        // fire an event for internal hooks
        if (wrapper.onAdd) {
                wrapper.onAdd();
        }

        return wrapper;
},

/**
 * VML always uses htmlUpdateTransform
 */
updateTransform: SVGElement.prototype.htmlUpdateTransform,

/**
 * Set the rotation of a span with oldIE's filter
 */
setSpanRotation: function () {
        // Adjust for alignment and rotation. Rotation of useHTML content is not yet implemented
        // but it can probably be implemented for Firefox 3.5+ on user request. FF3.5+
        // has support for CSS3 transform. The getBBox method also needs to be updated
        // to compensate for the rotation, like it currently does for SVG.
        // Test case: http://jsfiddle.net/highcharts/Ybt44/

        var rotation = this.rotation,
                costheta = mathCos(rotation * deg2rad),
                sintheta = mathSin(rotation * deg2rad);

        css(this.element, {
                filter: rotation ? ['progid:DXImageTransform.Microsoft.Matrix(M11=', costheta,
                        ', M12=', -sintheta, ', M21=', sintheta, ', M22=', costheta,
                        ', sizingMethod=\'auto expand\')'].join('') : NONE
        });
},

/**
 * Get the positioning correction for the span after rotating. 
 */
getSpanCorrection: function (width, baseline, alignCorrection, rotation, align) {

        var costheta = rotation ? mathCos(rotation * deg2rad) : 1,
                sintheta = rotation ? mathSin(rotation * deg2rad) : 0,
                height = pick(this.elemHeight, this.element.offsetHeight),
                quad,
                nonLeft = align && align !== 'left';

        // correct x and y
        this.xCorr = costheta < 0 && -width;
        this.yCorr = sintheta < 0 && -height;

        // correct for baseline and corners spilling out after rotation
        quad = costheta * sintheta < 0;
        this.xCorr += sintheta * baseline * (quad ? 1 - alignCorrection : alignCorrection);
        this.yCorr -= costheta * baseline * (rotation ? (quad ? alignCorrection : 1 - alignCorrection) : 1);
        // correct for the length/height of the text
        if (nonLeft) {
                this.xCorr -= width * alignCorrection * (costheta < 0 ? -1 : 1);
                if (rotation) {
                        this.yCorr -= height * alignCorrection * (sintheta < 0 ? -1 : 1);
                }
                css(this.element, {
                        textAlign: align
                });
        }
},

/**
 * Converts a subset of an SVG path definition to its VML counterpart. Takes an array
 * as the parameter and returns a string.
 */
pathToVML: function (value) {
        // convert paths
        var i = value.length,
                path = [];

        while (i--) {

                // Multiply by 10 to allow subpixel precision.
                // Substracting half a pixel seems to make the coordinates
                // align with SVG, but this hasn't been tested thoroughly
                if (isNumber(value[i])) {
                        path[i] = mathRound(value[i] * 10) - 5;
                } else if (value[i] === 'Z') { // close the path
                        path[i] = 'x';
                } else {
                        path[i] = value[i];

                        // When the start X and end X coordinates of an arc are too close,
                        // they are rounded to the same value above. In this case, substract or 
                        // add 1 from the end X and Y positions. #186, #760, #1371, #1410.
                        if (value.isArc && (value[i] === 'wa' || value[i] === 'at')) {
                                // Start and end X
                                if (path[i + 5] === path[i + 7]) {
                                        path[i + 7] += value[i + 7] > value[i + 5] ? 1 : -1;
                                }
                                // Start and end Y
                                if (path[i + 6] === path[i + 8]) {
                                        path[i + 8] += value[i + 8] > value[i + 6] ? 1 : -1;
                                }
                        }
                }
        }

        // Loop up again to handle path shortcuts (#2132)
        /*while (i++ < path.length) {
                if (path[i] === 'H') { // horizontal line to
                        path[i] = 'L';
                        path.splice(i + 2, 0, path[i - 1]);
                } else if (path[i] === 'V') { // vertical line to
                        path[i] = 'L';
                        path.splice(i + 1, 0, path[i - 2]);
                }
        }*/
        return path.join(' ') || 'x';
},

/**
 * Set the element's clipping to a predefined rectangle
 *
 * @param {String} id The id of the clip rectangle
 */
clip: function (clipRect) {
        var wrapper = this,
                clipMembers,
                cssRet;

        if (clipRect) {
                clipMembers = clipRect.members;
                erase(clipMembers, wrapper); // Ensure unique list of elements (#1258)
                clipMembers.push(wrapper);
                wrapper.destroyClip = function () {
                        erase(clipMembers, wrapper);
                };
                cssRet = clipRect.getCSS(wrapper);

        } else {
                if (wrapper.destroyClip) {
                        wrapper.destroyClip();
                }
                cssRet = { clip: docMode8 ? 'inherit' : 'rect(auto)' }; // #1214
        }

        return wrapper.css(cssRet);

},

/**
 * Set styles for the element
 * @param {Object} styles
 */
css: SVGElement.prototype.htmlCss,

/**
 * Removes a child either by removeChild or move to garbageBin.
 * Issue 490; in VML removeChild results in Orphaned nodes according to sIEve, discardElement does not.
 */
safeRemoveChild: function (element) {
        // discardElement will detach the node from its parent before attaching it
        // to the garbage bin. Therefore it is important that the node is attached and have parent.
        if (element.parentNode) {
                discardElement(element);
        }
},

/**
 * Extend element.destroy by removing it from the clip members array
 */
destroy: function () {
        if (this.destroyClip) {
                this.destroyClip();
        }

        return SVGElement.prototype.destroy.apply(this);
},

/**
 * Add an event listener. VML override for normalizing event parameters.
 * @param {String} eventType
 * @param {Function} handler
 */
on: function (eventType, handler) {
        // simplest possible event model for internal use
        this.element['on' + eventType] = function () {
                var evt = win.event;
                evt.target = evt.srcElement;
                handler(evt);
        };
        return this;
},

/**
 * In stacked columns, cut off the shadows so that they don't overlap
 */
cutOffPath: function (path, length) {

        var len;

        path = path.split(/[ ,]/);
        len = path.length;

        if (len === 9 || len === 11) {
                path[len - 4] = path[len - 2] = pInt(path[len - 2]) - 10 * length;
        }
        return path.join(' ');
},

/**
 * Apply a drop shadow by copying elements and giving them different strokes
 * @param {Boolean|Object} shadowOptions
 */
shadow: function (shadowOptions, group, cutOff) {
        var shadows = [],
                i,
                element = this.element,
                renderer = this.renderer,
                shadow,
                elemStyle = element.style,
                markup,
                path = element.path,
                strokeWidth,
                modifiedPath,
                shadowWidth,
                shadowElementOpacity;

        // some times empty paths are not strings
        if (path && typeof path.value !== 'string') {
                path = 'x';
        }
        modifiedPath = path;

        if (shadowOptions) {
                shadowWidth = pick(shadowOptions.width, 3);
                shadowElementOpacity = (shadowOptions.opacity || 0.15) / shadowWidth;
                for (i = 1; i <= 3; i++) {

                        strokeWidth = (shadowWidth * 2) + 1 - (2 * i);

                        // Cut off shadows for stacked column items
                        if (cutOff) {
                                modifiedPath = this.cutOffPath(path.value, strokeWidth + 0.5);
                        }

                        markup = ['<shape isShadow="true" strokeweight="', strokeWidth,
                                '" filled="false" path="', modifiedPath,
                                '" coordsize="10 10" style="', element.style.cssText, '" />'];

                        shadow = createElement(renderer.prepVML(markup),
                                null, {
                                        left: pInt(elemStyle.left) + pick(shadowOptions.offsetX, 1),
                                        top: pInt(elemStyle.top) + pick(shadowOptions.offsetY, 1)
                                }
                        );
                        if (cutOff) {
                                shadow.cutOff = strokeWidth + 1;
                        }

                        // apply the opacity
                        markup = ['<stroke color="', shadowOptions.color || 'black', '" opacity="', shadowElementOpacity * i, '"/>'];
                        createElement(renderer.prepVML(markup), null, null, shadow);

                        // insert it
                        if (group) {
                                group.element.appendChild(shadow);
                        } else {
                                element.parentNode.insertBefore(shadow, element);
                        }

                        // record it
                        shadows.push(shadow);

                }

                this.shadows = shadows;
        }
        return this;
},
updateShadows: noop, // Used in SVG only

setAttr: function (key, value) {
        if (docMode8) { // IE8 setAttribute bug
                this.element[key] = value;
        } else {
                this.element.setAttribute(key, value);
        }
},
classSetter: function (value) {
        // IE8 Standards mode has problems retrieving the className unless set like this
        this.element.className = value;
},
dashstyleSetter: function (value, key, element) {
        var strokeElem = element.getElementsByTagName('stroke')[0] ||
                createElement(this.renderer.prepVML(['<stroke/>']), null, null, element);
        strokeElem[key] = value || 'solid';
        this[key] = value; /* because changing stroke-width will change the dash length
                and cause an epileptic effect */
},
dSetter: function (value, key, element) {
        var i,
                shadows = this.shadows;
        value = value || [];
        this.d = value.join(' '); // used in getter for animation

        element.path = value = this.pathToVML(value);

        // update shadows
        if (shadows) {
                i = shadows.length;
                while (i--) {
                        shadows[i].path = shadows[i].cutOff ? this.cutOffPath(value, shadows[i].cutOff) : value;
                }
        }
        this.setAttr(key, value);
},
fillSetter: function (value, key, element) {
        var nodeName = element.nodeName;
        if (nodeName === 'SPAN') { // text color
                element.style.color = value;
        } else if (nodeName !== 'IMG') { // #1336
                element.filled = value !== NONE;
                this.setAttr('fillcolor', this.renderer.color(value, element, key, this));
        }
},
opacitySetter: noop, // Don't bother - animation is too slow and filters introduce artifacts
rotationSetter: function (value, key, element) {
        var style = element.style;
        this[key] = style[key] = value; // style is for #1873

        // Correction for the 1x1 size of the shape container. Used in gauge needles.
        style.left = -mathRound(mathSin(value * deg2rad) + 1) + PX;
        style.top = mathRound(mathCos(value * deg2rad)) + PX;
},
strokeSetter: function (value, key, element) {
        this.setAttr('strokecolor', this.renderer.color(value, element, key));
},
'stroke-widthSetter': function (value, key, element) {
        element.stroked = !!value; // VML "stroked" attribute
        this[key] = value; // used in getter, issue #113
        if (isNumber(value)) {
                value += PX;
        }
        this.setAttr('strokeweight', value);
},
titleSetter: function (value, key) {
        this.setAttr(key, value);
},
visibilitySetter: function (value, key, element) {

        // Handle inherited visibility
        if (value === 'inherit') {
                value = VISIBLE;
        }

        // Let the shadow follow the main element
        if (this.shadows) {
                each(this.shadows, function (shadow) {
                        shadow.style[key] = value;
                });
        }

        // Instead of toggling the visibility CSS property, move the div out of the viewport.
        // This works around #61 and #586
        if (element.nodeName === 'DIV') {
                value = value === HIDDEN ? '-999em' : 0;

                // In order to redraw, IE7 needs the div to be visible when tucked away
                // outside the viewport. So the visibility is actually opposite of
                // the expected value. This applies to the tooltip only.
                if (!docMode8) {
                        element.style[key] = value ? VISIBLE : HIDDEN;
                }
                key = 'top';
        }
        element.style[key] = value;
},
xSetter: function (value, key, element) {
        this[key] = value; // used in getter

        if (key === 'x') {
                key = 'left';
        } else if (key === 'y') {
                key = 'top';
        }/* else {
                value = mathMax(0, value); // don't set width or height below zero (#311)
        }*/

        // clipping rectangle special
        if (this.updateClipping) {
                this[key] = value; // the key is now 'left' or 'top' for 'x' and 'y'
                this.updateClipping();
        } else {
                // normal
                element.style[key] = value;
        }
},
zIndexSetter: function (value, key, element) {
        element.style[key] = value;
}

}; VMLElement = extendClass(SVGElement, VMLElement);

// Some shared setters VMLElement.prototype.ySetter =

VMLElement.prototype.widthSetter = 
VMLElement.prototype.heightSetter = 
VMLElement.prototype.xSetter;

/**

* The VML renderer
*/

var VMLRendererExtension = { // inherit SVGRenderer

Element: VMLElement,
isIE8: userAgent.indexOf('MSIE 8.0') > -1,

/**
 * Initialize the VMLRenderer
 * @param {Object} container
 * @param {Number} width
 * @param {Number} height
 */
init: function (container, width, height, style) {
        var renderer = this,
                boxWrapper,
                box,
                css;

        renderer.alignedObjects = [];

        boxWrapper = renderer.createElement(DIV)
                .css(extend(this.getStyle(style), { position: RELATIVE}));
        box = boxWrapper.element;
        container.appendChild(boxWrapper.element);

        // generate the containing box
        renderer.isVML = true;
        renderer.box = box;
        renderer.boxWrapper = boxWrapper;
        renderer.cache = {};

        renderer.setSize(width, height, false);

        // The only way to make IE6 and IE7 print is to use a global namespace. However,
        // with IE8 the only way to make the dynamic shapes visible in screen and print mode
        // seems to be to add the xmlns attribute and the behaviour style inline.
        if (!doc.namespaces.hcv) {

                doc.namespaces.add('hcv', 'urn:schemas-microsoft-com:vml');

                // Setup default CSS (#2153, #2368, #2384)
                css = 'hcv\\:fill, hcv\\:path, hcv\\:shape, hcv\\:stroke' +
                        '{ behavior:url(#default#VML); display: inline-block; } ';
                try {
                        doc.createStyleSheet().cssText = css;
                } catch (e) {
                        doc.styleSheets[0].cssText += css;
                }

        }
},

/**
 * Detect whether the renderer is hidden. This happens when one of the parent elements
 * has display: none
 */
isHidden: function () {
        return !this.box.offsetWidth;
},

/**
 * Define a clipping rectangle. In VML it is accomplished by storing the values
 * for setting the CSS style to all associated members.
 *
 * @param {Number} x
 * @param {Number} y
 * @param {Number} width
 * @param {Number} height
 */
clipRect: function (x, y, width, height) {

        // create a dummy element
        var clipRect = this.createElement(),
                isObj = isObject(x);

        // mimic a rectangle with its style object for automatic updating in attr
        return extend(clipRect, {
                members: [],
                left: (isObj ? x.x : x) + 1,
                top: (isObj ? x.y : y) + 1,
                width: (isObj ? x.width : width) - 1,
                height: (isObj ? x.height : height) - 1,
                getCSS: function (wrapper) {
                        var element = wrapper.element,
                                nodeName = element.nodeName,
                                isShape = nodeName === 'shape',
                                inverted = wrapper.inverted,
                                rect = this,
                                top = rect.top - (isShape ? element.offsetTop : 0),
                                left = rect.left,
                                right = left + rect.width,
                                bottom = top + rect.height,
                                ret = {
                                        clip: 'rect(' +
                                                mathRound(inverted ? left : top) + 'px,' +
                                                mathRound(inverted ? bottom : right) + 'px,' +
                                                mathRound(inverted ? right : bottom) + 'px,' +
                                                mathRound(inverted ? top : left) + 'px)'
                                };

                        // issue 74 workaround
                        if (!inverted && docMode8 && nodeName === 'DIV') {
                                extend(ret, {
                                        width: right + PX,
                                        height: bottom + PX
                                });
                        }
                        return ret;
                },

                // used in attr and animation to update the clipping of all members
                updateClipping: function () {
                        each(clipRect.members, function (member) {
                                if (member.element) { // Deleted series, like in stock/members/series-remove demo. Should be removed from members, but this will do.
                                        member.css(clipRect.getCSS(member));
                                }
                        });
                }
        });

},

/**
 * Take a color and return it if it's a string, make it a gradient if it's a
 * gradient configuration object, and apply opacity.
 *
 * @param {Object} color The color or config object
 */
color: function (color, elem, prop, wrapper) {
        var renderer = this,
                colorObject,
                regexRgba = /^rgba/,
                markup,
                fillType,
                ret = NONE;

        // Check for linear or radial gradient
        if (color && color.linearGradient) {
                fillType = 'gradient';
        } else if (color && color.radialGradient) {
                fillType = 'pattern';
        }

        if (fillType) {

                var stopColor,
                        stopOpacity,
                        gradient = color.linearGradient || color.radialGradient,
                        x1,
                        y1,
                        x2,
                        y2,
                        opacity1,
                        opacity2,
                        color1,
                        color2,
                        fillAttr = '',
                        stops = color.stops,
                        firstStop,
                        lastStop,
                        colors = [],
                        addFillNode = function () {
                                // Add the fill subnode. When colors attribute is used, the meanings of opacity and o:opacity2
                                // are reversed.
                                markup = ['<fill colors="' + colors.join(',') + '" opacity="', opacity2, '" o:opacity2="', opacity1,
                                        '" type="', fillType, '" ', fillAttr, 'focus="100%" method="any" />'];
                                createElement(renderer.prepVML(markup), null, null, elem);
                        };

                // Extend from 0 to 1
                firstStop = stops[0];
                lastStop = stops[stops.length - 1];
                if (firstStop[0] > 0) {
                        stops.unshift([
                                0,
                                firstStop[1]
                        ]);
                }
                if (lastStop[0] < 1) {
                        stops.push([
                                1,
                                lastStop[1]
                        ]);
                }

                // Compute the stops
                each(stops, function (stop, i) {
                        if (regexRgba.test(stop[1])) {
                                colorObject = Color(stop[1]);
                                stopColor = colorObject.get('rgb');
                                stopOpacity = colorObject.get('a');
                        } else {
                                stopColor = stop[1];
                                stopOpacity = 1;
                        }

                        // Build the color attribute
                        colors.push((stop[0] * 100) + '% ' + stopColor);

                        // Only start and end opacities are allowed, so we use the first and the last
                        if (!i) {
                                opacity1 = stopOpacity;
                                color2 = stopColor;
                        } else {
                                opacity2 = stopOpacity;
                                color1 = stopColor;
                        }
                });

                // Apply the gradient to fills only.
                if (prop === 'fill') {

                        // Handle linear gradient angle
                        if (fillType === 'gradient') {
                                x1 = gradient.x1 || gradient[0] || 0;
                                y1 = gradient.y1 || gradient[1] || 0;
                                x2 = gradient.x2 || gradient[2] || 0;
                                y2 = gradient.y2 || gradient[3] || 0;
                                fillAttr = 'angle="' + (90  - math.atan(
                                        (y2 - y1) / // y vector
                                        (x2 - x1) // x vector
                                        ) * 180 / mathPI) + '"';

                                addFillNode();

                        // Radial (circular) gradient
                        } else {

                                var r = gradient.r,
                                        sizex = r * 2,
                                        sizey = r * 2,
                                        cx = gradient.cx,
                                        cy = gradient.cy,
                                        radialReference = elem.radialReference,
                                        bBox,
                                        applyRadialGradient = function () {
                                                if (radialReference) {
                                                        bBox = wrapper.getBBox();
                                                        cx += (radialReference[0] - bBox.x) / bBox.width - 0.5;
                                                        cy += (radialReference[1] - bBox.y) / bBox.height - 0.5;
                                                        sizex *= radialReference[2] / bBox.width;
                                                        sizey *= radialReference[2] / bBox.height;
                                                }
                                                fillAttr = 'src="' + defaultOptions.global.VMLRadialGradientURL + '" ' +
                                                        'size="' + sizex + ',' + sizey + '" ' +
                                                        'origin="0.5,0.5" ' +
                                                        'position="' + cx + ',' + cy + '" ' +
                                                        'color2="' + color2 + '" ';

                                                addFillNode();
                                        };

                                // Apply radial gradient
                                if (wrapper.added) {
                                        applyRadialGradient();
                                } else {
                                        // We need to know the bounding box to get the size and position right
                                        wrapper.onAdd = applyRadialGradient;
                                }

                                // The fill element's color attribute is broken in IE8 standards mode, so we
                                // need to set the parent shape's fillcolor attribute instead.
                                ret = color1;
                        }

                // Gradients are not supported for VML stroke, return the first color. #722.
                } else {
                        ret = stopColor;
                }

        // if the color is an rgba color, split it and add a fill node
        // to hold the opacity component
        } else if (regexRgba.test(color) && elem.tagName !== 'IMG') {

                colorObject = Color(color);

                markup = ['<', prop, ' opacity="', colorObject.get('a'), '"/>'];
                createElement(this.prepVML(markup), null, null, elem);

                ret = colorObject.get('rgb');

        } else {
                var propNodes = elem.getElementsByTagName(prop); // 'stroke' or 'fill' node
                if (propNodes.length) {
                        propNodes[0].opacity = 1;
                        propNodes[0].type = 'solid';
                }
                ret = color;
        }

        return ret;
},

/**
 * Take a VML string and prepare it for either IE8 or IE6/IE7.
 * @param {Array} markup A string array of the VML markup to prepare
 */
prepVML: function (markup) {
        var vmlStyle = 'display:inline-block;behavior:url(#default#VML);',
                isIE8 = this.isIE8;

        markup = markup.join('');

        if (isIE8) { // add xmlns and style inline
                markup = markup.replace('/>', ' xmlns="urn:schemas-microsoft-com:vml" />');
                if (markup.indexOf('style="') === -1) {
                        markup = markup.replace('/>', ' style="' + vmlStyle + '" />');
                } else {
                        markup = markup.replace('style="', 'style="' + vmlStyle);
                }

        } else { // add namespace
                markup = markup.replace('<', '<hcv:');
        }

        return markup;
},

/**
 * Create rotated and aligned text
 * @param {String} str
 * @param {Number} x
 * @param {Number} y
 */
text: SVGRenderer.prototype.html,

/**
 * Create and return a path element
 * @param {Array} path
 */
path: function (path) {
        var attr = {
                // subpixel precision down to 0.1 (width and height = 1px)
                coordsize: '10 10'
        };
        if (isArray(path)) {
                attr.d = path;
        } else if (isObject(path)) { // attributes
                extend(attr, path);
        }
        // create the shape
        return this.createElement('shape').attr(attr);
},

/**
 * Create and return a circle element. In VML circles are implemented as
 * shapes, which is faster than v:oval
 * @param {Number} x
 * @param {Number} y
 * @param {Number} r
 */
circle: function (x, y, r) {
        var circle = this.symbol('circle');
        if (isObject(x)) {
                r = x.r;
                y = x.y;
                x = x.x;
        }
        circle.isCircle = true; // Causes x and y to mean center (#1682)
        circle.r = r;
        return circle.attr({ x: x, y: y });
},

/**
 * Create a group using an outer div and an inner v:group to allow rotating
 * and flipping. A simple v:group would have problems with positioning
 * child HTML elements and CSS clip.
 *
 * @param {String} name The name of the group
 */
g: function (name) {
        var wrapper,
                attribs;

        // set the class name
        if (name) {
                attribs = { 'className': PREFIX + name, 'class': PREFIX + name };
        }

        // the div to hold HTML and clipping
        wrapper = this.createElement(DIV).attr(attribs);

        return wrapper;
},

/**
 * VML override to create a regular HTML image
 * @param {String} src
 * @param {Number} x
 * @param {Number} y
 * @param {Number} width
 * @param {Number} height
 */
image: function (src, x, y, width, height) {
        var obj = this.createElement('img')
                .attr({ src: src });

        if (arguments.length > 1) {
                obj.attr({
                        x: x,
                        y: y,
                        width: width,
                        height: height
                });
        }
        return obj;
},

/**
 * For rectangles, VML uses a shape for rect to overcome bugs and rotation problems
 */
createElement: function (nodeName) {
        return nodeName === 'rect' ? this.symbol(nodeName) : SVGRenderer.prototype.createElement.call(this, nodeName);  
},

/**
 * In the VML renderer, each child of an inverted div (group) is inverted
 * @param {Object} element
 * @param {Object} parentNode
 */
invertChild: function (element, parentNode) {
        var ren = this,
                parentStyle = parentNode.style,
                imgStyle = element.tagName === 'IMG' && element.style; // #1111

        css(element, {
                flip: 'x',
                left: pInt(parentStyle.width) - (imgStyle ? pInt(imgStyle.top) : 1),
                top: pInt(parentStyle.height) - (imgStyle ? pInt(imgStyle.left) : 1),
                rotation: -90
        });

        // Recursively invert child elements, needed for nested composite shapes like box plots and error bars. #1680, #1806.
        each(element.childNodes, function (child) {
                ren.invertChild(child, element);
        });
},

/**
 * Symbol definitions that override the parent SVG renderer's symbols
 *
 */
symbols: {
        // VML specific arc function
        arc: function (x, y, w, h, options) {
                var start = options.start,
                        end = options.end,
                        radius = options.r || w || h,
                        innerRadius = options.innerR,
                        cosStart = mathCos(start),
                        sinStart = mathSin(start),
                        cosEnd = mathCos(end),
                        sinEnd = mathSin(end),
                        ret;

                if (end - start === 0) { // no angle, don't show it.
                        return ['x'];
                }

                ret = [
                        'wa', // clockwise arc to
                        x - radius, // left
                        y - radius, // top
                        x + radius, // right
                        y + radius, // bottom
                        x + radius * cosStart, // start x
                        y + radius * sinStart, // start y
                        x + radius * cosEnd, // end x
                        y + radius * sinEnd  // end y
                ];

                if (options.open && !innerRadius) {
                        ret.push(
                                'e',
                                M,
                                x,// - innerRadius,
                                y// - innerRadius
                        );
                }

                ret.push(
                        'at', // anti clockwise arc to
                        x - innerRadius, // left
                        y - innerRadius, // top
                        x + innerRadius, // right
                        y + innerRadius, // bottom
                        x + innerRadius * cosEnd, // start x
                        y + innerRadius * sinEnd, // start y
                        x + innerRadius * cosStart, // end x
                        y + innerRadius * sinStart, // end y
                        'x', // finish path
                        'e' // close
                );

                ret.isArc = true;
                return ret;

        },
        // Add circle symbol path. This performs significantly faster than v:oval.
        circle: function (x, y, w, h, wrapper) {

                if (wrapper) {
                        w = h = 2 * wrapper.r;
                }

                // Center correction, #1682
                if (wrapper && wrapper.isCircle) {
                        x -= w / 2;
                        y -= h / 2;
                }

                // Return the path
                return [
                        'wa', // clockwisearcto
                        x, // left
                        y, // top
                        x + w, // right
                        y + h, // bottom
                        x + w, // start x
                        y + h / 2,     // start y
                        x + w, // end x
                        y + h / 2,     // end y
                        //'x', // finish path
                        'e' // close
                ];
        },
        /**
         * Add rectangle symbol path which eases rotation and omits arcsize problems
         * compared to the built-in VML roundrect shape. When borders are not rounded,
         * use the simpler square path, else use the callout path without the arrow.
         */
        rect: function (x, y, w, h, options) {
                return SVGRenderer.prototype.symbols[
                        !defined(options) || !options.r ? 'square' : 'callout'
                ].call(0, x, y, w, h, options);
        }
}

}; Highcharts.VMLRenderer = VMLRenderer = function () {

this.init.apply(this, arguments);

}; VMLRenderer.prototype = merge(SVGRenderer.prototype, VMLRendererExtension);

// general renderer
Renderer = VMLRenderer;

}

// This method is used with exporting in old IE, when emulating SVG (see #2314) SVGRenderer.prototype.measureSpanWidth = function (text, styles) {

var measuringSpan = doc.createElement('span'),
        offsetWidth,
textNode = doc.createTextNode(text);

measuringSpan.appendChild(textNode);
css(measuringSpan, styles);
this.box.appendChild(measuringSpan);
offsetWidth = measuringSpan.offsetWidth;
discardElement(measuringSpan); // #2463
return offsetWidth;

};

/* ****************************************************************************

*                                                                            *
* END OF INTERNET EXPLORER <= 8 SPECIFIC CODE                                *
*                                                                            *
*****************************************************************************/

/* ****************************************************************************

*                                                                            *
* START OF ANDROID < 3 SPECIFIC CODE. THIS CAN BE REMOVED IF YOU'RE NOT      *
* TARGETING THAT SYSTEM.                                                     *
*                                                                            *
*****************************************************************************/

var CanVGRenderer,

CanVGController;

if (useCanVG) {

/**
 * The CanVGRenderer is empty from start to keep the source footprint small.
 * When requested, the CanVGController downloads the rest of the source packaged
 * together with the canvg library.
 */
Highcharts.CanVGRenderer = CanVGRenderer = function () {
        // Override the global SVG namespace to fake SVG/HTML that accepts CSS
        SVG_NS = 'http://www.w3.org/1999/xhtml';
};

/**
 * Start with an empty symbols object. This is needed when exporting is used (exporting.src.js will add a few symbols), but 
 * the implementation from SvgRenderer will not be merged in until first render.
 */
CanVGRenderer.prototype.symbols = {};

/**
 * Handles on demand download of canvg rendering support.
 */
CanVGController = (function () {
        // List of renderering calls
        var deferredRenderCalls = [];

        /**
         * When downloaded, we are ready to draw deferred charts.
         */
        function drawDeferred() {
                var callLength = deferredRenderCalls.length,
                        callIndex;

                // Draw all pending render calls
                for (callIndex = 0; callIndex < callLength; callIndex++) {
                        deferredRenderCalls[callIndex]();
                }
                // Clear the list
                deferredRenderCalls = [];
        }

        return {
                push: function (func, scriptLocation) {
                        // Only get the script once
                        if (deferredRenderCalls.length === 0) {
                                getScript(scriptLocation, drawDeferred);
                        }
                        // Register render call
                        deferredRenderCalls.push(func);
                }
        };
}());

Renderer = CanVGRenderer;

} // end CanVGRenderer

/* ****************************************************************************

*                                                                            *
* END OF ANDROID < 3 SPECIFIC CODE                                           *
*                                                                            *
*****************************************************************************/

/**

* The Tick class
*/

function Tick(axis, pos, type, noLabel) {

this.axis = axis;
this.pos = pos;
this.type = type || '';
this.isNew = true;

if (!type && !noLabel) {
        this.addLabel();
}

}

Tick.prototype = {

/**
 * Write the tick label
 */
addLabel: function () {
        var tick = this,
                axis = tick.axis,
                options = axis.options,
                chart = axis.chart,
                horiz = axis.horiz,
                categories = axis.categories,
                names = axis.names,
                pos = tick.pos,
                labelOptions = options.labels,
                str,
                tickPositions = axis.tickPositions,
                width = (horiz && categories &&
                        !labelOptions.step && !labelOptions.staggerLines &&
                        !labelOptions.rotation &&
                        chart.plotWidth / tickPositions.length) ||
                        (!horiz && (chart.margin[3] || chart.chartWidth * 0.33)), // #1580, #1931
                isFirst = pos === tickPositions[0],
                isLast = pos === tickPositions[tickPositions.length - 1],
                css,
                attr,
                value = categories ?
                        pick(categories[pos], names[pos], pos) :
                        pos,
                label = tick.label,
                tickPositionInfo = tickPositions.info,
                dateTimeLabelFormat;

        // Set the datetime label format. If a higher rank is set for this position, use that. If not,
        // use the general format.
        if (axis.isDatetimeAxis && tickPositionInfo) {
                dateTimeLabelFormat = options.dateTimeLabelFormats[tickPositionInfo.higherRanks[pos] || tickPositionInfo.unitName];
        }
        // set properties for access in render method
        tick.isFirst = isFirst;
        tick.isLast = isLast;

        // get the string
        str = axis.labelFormatter.call({
                axis: axis,
                chart: chart,
                isFirst: isFirst,
                isLast: isLast,
                dateTimeLabelFormat: dateTimeLabelFormat,
                value: axis.isLog ? correctFloat(lin2log(value)) : value
        });

        // prepare CSS
        css = width && { width: mathMax(1, mathRound(width - 2 * (labelOptions.padding || 10))) + PX };
        css = extend(css, labelOptions.style);

        // first call
        if (!defined(label)) {
                attr = {
                        align: axis.labelAlign
                };
                if (isNumber(labelOptions.rotation)) {
                        attr.rotation = labelOptions.rotation;
                }
                if (width && labelOptions.ellipsis) {
                        attr._clipHeight = axis.len / tickPositions.length;
                }

                tick.label =
                        defined(str) && labelOptions.enabled ?
                                chart.renderer.text(
                                                str,
                                                0,
                                                0,
                                                labelOptions.useHTML
                                        )
                                        .attr(attr)
                                        // without position absolute, IE export sometimes is wrong
                                        .css(css)
                                        .add(axis.labelGroup) :
                                null;

        // update
        } else if (label) {
                label.attr({
                                text: str
                        })
                        .css(css);
        }
},

/**
 * Get the offset height or width of the label
 */
getLabelSize: function () {
        var label = this.label,
                axis = this.axis;
        return label ?
                label.getBBox()[axis.horiz ? 'height' : 'width'] :
                0;
},

/**
 * Find how far the labels extend to the right and left of the tick's x position. Used for anti-collision
 * detection with overflow logic.
 */
getLabelSides: function () {
        var bBox = this.label.getBBox(),
                axis = this.axis,
                horiz = axis.horiz,
                options = axis.options,
                labelOptions = options.labels,
                size = horiz ? bBox.width : bBox.height,
                leftSide = horiz ?
                        labelOptions.x - size * { left: 0, center: 0.5, right: 1 }[axis.labelAlign] :
                        0,
                rightSide = horiz ?
                        size + leftSide :
                        size;

        return [leftSide, rightSide];
},

/**
 * Handle the label overflow by adjusting the labels to the left and right edge, or
 * hide them if they collide into the neighbour label.
 */
handleOverflow: function (index, xy) {
        var show = true,
                axis = this.axis,
                isFirst = this.isFirst,
                isLast = this.isLast,
                horiz = axis.horiz,
                pxPos = horiz ? xy.x : xy.y,
                reversed = axis.reversed,
                tickPositions = axis.tickPositions,
                sides = this.getLabelSides(),
                leftSide = sides[0],
                rightSide = sides[1],
                axisLeft,
                axisRight,
                neighbour,
                neighbourEdge,
                line = this.label.line || 0,
                labelEdge = axis.labelEdge,
                justifyLabel = axis.justifyLabels && (isFirst || isLast),
                justifyToPlot;

        // Hide it if it now overlaps the neighbour label
        if (labelEdge[line] === UNDEFINED || pxPos + leftSide > labelEdge[line]) {
                labelEdge[line] = pxPos + rightSide;

        } else if (!justifyLabel) {
                show = false;
        }

        if (justifyLabel) {
                justifyToPlot = axis.justifyToPlot;
                axisLeft = justifyToPlot ? axis.pos : 0;
                axisRight = justifyToPlot ? axisLeft + axis.len : axis.chart.chartWidth;

                // Find the firsth neighbour on the same line
                do {
                        index += (isFirst ? 1 : -1);
                        neighbour = axis.ticks[tickPositions[index]];
                } while (tickPositions[index] && (!neighbour || neighbour.label.line !== line));

                neighbourEdge = neighbour && neighbour.label.xy && neighbour.label.xy.x + neighbour.getLabelSides()[isFirst ? 0 : 1];

                if ((isFirst && !reversed) || (isLast && reversed)) {
                        // Is the label spilling out to the left of the plot area?
                        if (pxPos + leftSide < axisLeft) {

                                // Align it to plot left
                                pxPos = axisLeft - leftSide;

                                // Hide it if it now overlaps the neighbour label
                                if (neighbour && pxPos + rightSide > neighbourEdge) {
                                        show = false;
                                }
                        }

                } else {
                        // Is the label spilling out to the right of the plot area?
                        if (pxPos + rightSide > axisRight) {

                                // Align it to plot right
                                pxPos = axisRight - rightSide;

                                // Hide it if it now overlaps the neighbour label
                                if (neighbour && pxPos + leftSide < neighbourEdge) {
                                        show = false;
                                }

                        }
                }

                // Set the modified x position of the label
                xy.x = pxPos;
        }
        return show;
},

/**
 * Get the x and y position for ticks and labels
 */
getPosition: function (horiz, pos, tickmarkOffset, old) {
        var axis = this.axis,
                chart = axis.chart,
                cHeight = (old && chart.oldChartHeight) || chart.chartHeight;

        return {
                x: horiz ?
                        axis.translate(pos + tickmarkOffset, null, null, old) + axis.transB :
                        axis.left + axis.offset + (axis.opposite ? ((old && chart.oldChartWidth) || chart.chartWidth) - axis.right - axis.left : 0),

                y: horiz ?
                        cHeight - axis.bottom + axis.offset - (axis.opposite ? axis.height : 0) :
                        cHeight - axis.translate(pos + tickmarkOffset, null, null, old) - axis.transB
        };

},

/**
 * Get the x, y position of the tick label
 */
getLabelPosition: function (x, y, label, horiz, labelOptions, tickmarkOffset, index, step) {
        var axis = this.axis,
                transA = axis.transA,
                reversed = axis.reversed,
                staggerLines = axis.staggerLines,
                baseline = axis.chart.renderer.fontMetrics(labelOptions.style.fontSize).b,
                rotation = labelOptions.rotation;

        x = x + labelOptions.x - (tickmarkOffset && horiz ?
                tickmarkOffset * transA * (reversed ? -1 : 1) : 0);
        y = y + labelOptions.y - (tickmarkOffset && !horiz ?
                tickmarkOffset * transA * (reversed ? 1 : -1) : 0);

        // Correct for rotation (#1764)
        if (rotation && axis.side === 2) {
                y -= baseline - baseline * mathCos(rotation * deg2rad);
        }

        // Vertically centered
        if (!defined(labelOptions.y) && !rotation) { // #1951
                y += baseline - label.getBBox().height / 2;
        }

        // Correct for staggered labels
        if (staggerLines) {
                label.line = (index / (step || 1) % staggerLines);
                y += label.line * (axis.labelOffset / staggerLines);
        }

        return {
                x: x,
                y: y
        };
},

/**
 * Extendible method to return the path of the marker
 */
getMarkPath: function (x, y, tickLength, tickWidth, horiz, renderer) {
        return renderer.crispLine([
                        M,
                        x,
                        y,
                        L,
                        x + (horiz ? 0 : -tickLength),
                        y + (horiz ? tickLength : 0)
                ], tickWidth);
},

/**
 * Put everything in place
 *
 * @param index {Number}
 * @param old {Boolean} Use old coordinates to prepare an animation into new position
 */
render: function (index, old, opacity) {
        var tick = this,
                axis = tick.axis,
                options = axis.options,
                chart = axis.chart,
                renderer = chart.renderer,
                horiz = axis.horiz,
                type = tick.type,
                label = tick.label,
                pos = tick.pos,
                labelOptions = options.labels,
                gridLine = tick.gridLine,
                gridPrefix = type ? type + 'Grid' : 'grid',
                tickPrefix = type ? type + 'Tick' : 'tick',
                gridLineWidth = options[gridPrefix + 'LineWidth'],
                gridLineColor = options[gridPrefix + 'LineColor'],
                dashStyle = options[gridPrefix + 'LineDashStyle'],
                tickLength = options[tickPrefix + 'Length'],
                tickWidth = options[tickPrefix + 'Width'] || 0,
                tickColor = options[tickPrefix + 'Color'],
                tickPosition = options[tickPrefix + 'Position'],
                gridLinePath,
                mark = tick.mark,
                markPath,
                step = labelOptions.step,
                attribs,
                show = true,
                tickmarkOffset = axis.tickmarkOffset,
                xy = tick.getPosition(horiz, pos, tickmarkOffset, old),
                x = xy.x,
                y = xy.y,
                reverseCrisp = ((horiz && x === axis.pos + axis.len) || (!horiz && y === axis.pos)) ? -1 : 1; // #1480, #1687

        this.isActive = true;

        // create the grid line
        if (gridLineWidth) {
                gridLinePath = axis.getPlotLinePath(pos + tickmarkOffset, gridLineWidth * reverseCrisp, old, true);

                if (gridLine === UNDEFINED) {
                        attribs = {
                                stroke: gridLineColor,
                                'stroke-width': gridLineWidth
                        };
                        if (dashStyle) {
                                attribs.dashstyle = dashStyle;
                        }
                        if (!type) {
                                attribs.zIndex = 1;
                        }
                        if (old) {
                                attribs.opacity = 0;
                        }
                        tick.gridLine = gridLine =
                                gridLineWidth ?
                                        renderer.path(gridLinePath)
                                                .attr(attribs).add(axis.gridGroup) :
                                        null;
                }

                // If the parameter 'old' is set, the current call will be followed
                // by another call, therefore do not do any animations this time
                if (!old && gridLine && gridLinePath) {
                        gridLine[tick.isNew ? 'attr' : 'animate']({
                                d: gridLinePath,
                                opacity: opacity
                        });
                }
        }

        // create the tick mark
        if (tickWidth && tickLength) {

                // negate the length
                if (tickPosition === 'inside') {
                        tickLength = -tickLength;
                }
                if (axis.opposite) {
                        tickLength = -tickLength;
                }

                markPath = tick.getMarkPath(x, y, tickLength, tickWidth * reverseCrisp, horiz, renderer);
                if (mark) { // updating
                        mark.animate({
                                d: markPath,
                                opacity: opacity
                        });
                } else { // first time
                        tick.mark = renderer.path(
                                markPath
                        ).attr({
                                stroke: tickColor,
                                'stroke-width': tickWidth,
                                opacity: opacity
                        }).add(axis.axisGroup);
                }
        }

        // the label is created on init - now move it into place
        if (label && !isNaN(x)) {
                label.xy = xy = tick.getLabelPosition(x, y, label, horiz, labelOptions, tickmarkOffset, index, step);

                // Apply show first and show last. If the tick is both first and last, it is
                // a single centered tick, in which case we show the label anyway (#2100).
                if ((tick.isFirst && !tick.isLast && !pick(options.showFirstLabel, 1)) ||
                                (tick.isLast && !tick.isFirst && !pick(options.showLastLabel, 1))) {
                        show = false;

                // Handle label overflow and show or hide accordingly
                } else if (!axis.isRadial && !labelOptions.step && !labelOptions.rotation && !old && opacity !== 0) {
                        show = tick.handleOverflow(index, xy);
                }

                // apply step
                if (step && index % step) {
                        // show those indices dividable by step
                        show = false;
                }

                // Set the new position, and show or hide
                if (show && !isNaN(xy.y)) {
                        xy.opacity = opacity;
                        label[tick.isNew ? 'attr' : 'animate'](xy);
                        tick.isNew = false;
                } else {
                        label.attr('y', -9999); // #1338
                }
        }
},

/**
 * Destructor for the tick prototype
 */
destroy: function () {
        destroyObjectProperties(this, this.axis);
}

};

/**

* The object wrapper for plot lines and plot bands
* @param {Object} options
*/

Highcharts.PlotLineOrBand = function (axis, options) {

this.axis = axis;

if (options) {
        this.options = options;
        this.id = options.id;
}

};

Highcharts.PlotLineOrBand.prototype = {

/**
 * Render the plot line or plot band. If it is already existing,
 * move it.
 */
render: function () {
        var plotLine = this,
                axis = plotLine.axis,
                horiz = axis.horiz,
                halfPointRange = (axis.pointRange || 0) / 2,
                options = plotLine.options,
                optionsLabel = options.label,
                label = plotLine.label,
                width = options.width,
                to = options.to,
                from = options.from,
                isBand = defined(from) && defined(to),
                value = options.value,
                dashStyle = options.dashStyle,
                svgElem = plotLine.svgElem,
                path = [],
                addEvent,
                eventType,
                xs,
                ys,
                x,
                y,
                color = options.color,
                zIndex = options.zIndex,
                events = options.events,
                attribs = {},
                renderer = axis.chart.renderer;

        // logarithmic conversion
        if (axis.isLog) {
                from = log2lin(from);
                to = log2lin(to);
                value = log2lin(value);
        }

        // plot line
        if (width) {
                path = axis.getPlotLinePath(value, width);
                attribs = {
                        stroke: color,
                        'stroke-width': width
                };
                if (dashStyle) {
                        attribs.dashstyle = dashStyle;
                }
        } else if (isBand) { // plot band

                // keep within plot area
                from = mathMax(from, axis.min - halfPointRange);
                to = mathMin(to, axis.max + halfPointRange);

                path = axis.getPlotBandPath(from, to, options);
                if (color) {
                        attribs.fill = color;
                }
                if (options.borderWidth) {
                        attribs.stroke = options.borderColor;
                        attribs['stroke-width'] = options.borderWidth;
                }
        } else {
                return;
        }
        // zIndex
        if (defined(zIndex)) {
                attribs.zIndex = zIndex;
        }

        // common for lines and bands
        if (svgElem) {
                if (path) {
                        svgElem.animate({
                                d: path
                        }, null, svgElem.onGetPath);
                } else {
                        svgElem.hide();
                        svgElem.onGetPath = function () {
                                svgElem.show();
                        };
                        if (label) {
                                plotLine.label = label = label.destroy();
                        }
                }
        } else if (path && path.length) {
                plotLine.svgElem = svgElem = renderer.path(path)
                        .attr(attribs).add();

                // events
                if (events) {
                        addEvent = function (eventType) {
                                svgElem.on(eventType, function (e) {
                                        events[eventType].apply(plotLine, [e]);
                                });
                        };
                        for (eventType in events) {
                                addEvent(eventType);
                        }
                }
        }

        // the plot band/line label
        if (optionsLabel && defined(optionsLabel.text) && path && path.length && axis.width > 0 && axis.height > 0) {
                // apply defaults
                optionsLabel = merge({
                        align: horiz && isBand && 'center',
                        x: horiz ? !isBand && 4 : 10,
                        verticalAlign : !horiz && isBand && 'middle',
                        y: horiz ? isBand ? 16 : 10 : isBand ? 6 : -4,
                        rotation: horiz && !isBand && 90
                }, optionsLabel);

                // add the SVG element
                if (!label) {
                        attribs = {
                                align: optionsLabel.textAlign || optionsLabel.align,
                                rotation: optionsLabel.rotation
                        };
                        if (defined(zIndex)) {
                                attribs.zIndex = zIndex;
                        }
                        plotLine.label = label = renderer.text(
                                        optionsLabel.text,
                                        0,
                                        0,
                                        optionsLabel.useHTML
                                )
                                .attr(attribs)
                                .css(optionsLabel.style)
                                .add();
                }

                // get the bounding box and align the label
                xs = [path[1], path[4], pick(path[6], path[1])];
                ys = [path[2], path[5], pick(path[7], path[2])];
                x = arrayMin(xs);
                y = arrayMin(ys);

                label.align(optionsLabel, false, {
                        x: x,
                        y: y,
                        width: arrayMax(xs) - x,
                        height: arrayMax(ys) - y
                });
                label.show();

        } else if (label) { // move out of sight
                label.hide();
        }

        // chainable
        return plotLine;
},

/**
 * Remove the plot line or band
 */
destroy: function () {
        // remove it from the lookup
        erase(this.axis.plotLinesAndBands, this);

        delete this.axis;
        destroyObjectProperties(this);
}

};

/**

* Object with members for extending the Axis prototype
*/

AxisPlotLineOrBandExtension = {

/**
 * Create the path for a plot band
 */ 
getPlotBandPath: function (from, to) {
        var toPath = this.getPlotLinePath(to),
                path = this.getPlotLinePath(from);

        if (path && toPath) {
                path.push(
                        toPath[4],
                        toPath[5],
                        toPath[1],
                        toPath[2]
                );
        } else { // outside the axis area
                path = null;
        }

        return path;
},

addPlotBand: function (options) {
        this.addPlotBandOrLine(options, 'plotBands');
},

addPlotLine: function (options) {
                this.addPlotBandOrLine(options, 'plotLines');
},

/**
 * Add a plot band or plot line after render time
 *
 * @param options {Object} The plotBand or plotLine configuration object
 */
addPlotBandOrLine: function (options, coll) {
        var obj = new Highcharts.PlotLineOrBand(this, options).render(),
                userOptions = this.userOptions;

        if (obj) { // #2189
                // Add it to the user options for exporting and Axis.update
                if (coll) {
                        userOptions[coll] = userOptions[coll] || [];
                        userOptions[coll].push(options); 
                }
                this.plotLinesAndBands.push(obj); 
        }

        return obj;
},

/**
 * Remove a plot band or plot line from the chart by id
 * @param {Object} id
 */
removePlotBandOrLine: function (id) {
        var plotLinesAndBands = this.plotLinesAndBands,
                options = this.options,
                userOptions = this.userOptions,
                i = plotLinesAndBands.length;
        while (i--) {
                if (plotLinesAndBands[i].id === id) {
                        plotLinesAndBands[i].destroy();
                }
        }
        each([options.plotLines || [], userOptions.plotLines || [], options.plotBands || [], userOptions.plotBands || []], function (arr) {
                i = arr.length;
                while (i--) {
                        if (arr[i].id === id) {
                                erase(arr, arr[i]);
                        }
                }
        });
}

};

/**

* Create a new axis object
* @param {Object} chart
* @param {Object} options
*/

function Axis() {

this.init.apply(this, arguments);

}

Axis.prototype = {

/**
 * Default options for the X axis - the Y axis has extended defaults
 */
defaultOptions: {
        // allowDecimals: null,
        // alternateGridColor: null,
        // categories: [],
        dateTimeLabelFormats: {
                millisecond: '%H:%M:%S.%L',
                second: '%H:%M:%S',
                minute: '%H:%M',
                hour: '%H:%M',
                day: '%e. %b',
                week: '%e. %b',
                month: '%b \'%y',
                year: '%Y'
        },
        endOnTick: false,
        gridLineColor: '#C0C0C0',
        // gridLineDashStyle: 'solid',
        // gridLineWidth: 0,
        // reversed: false,

        labels: defaultLabelOptions,
                // { step: null },
        lineColor: '#C0D0E0',
        lineWidth: 1,
        //linkedTo: null,
        //max: undefined,
        //min: undefined,
        minPadding: 0.01,
        maxPadding: 0.01,
        //minRange: null,
        minorGridLineColor: '#E0E0E0',
        // minorGridLineDashStyle: null,
        minorGridLineWidth: 1,
        minorTickColor: '#A0A0A0',
        //minorTickInterval: null,
        minorTickLength: 2,
        minorTickPosition: 'outside', // inside or outside
        //minorTickWidth: 0,
        //opposite: false,
        //offset: 0,
        //plotBands: [{
        //      events: {},
        //      zIndex: 1,
        //      labels: { align, x, verticalAlign, y, style, rotation, textAlign }
        //}],
        //plotLines: [{
        //      events: {}
        //  dashStyle: {}
        //      zIndex:
        //      labels: { align, x, verticalAlign, y, style, rotation, textAlign }
        //}],
        //reversed: false,
        // showFirstLabel: true,
        // showLastLabel: true,
        startOfWeek: 1,
        startOnTick: false,
        tickColor: '#C0D0E0',
        //tickInterval: null,
        tickLength: 10,
        tickmarkPlacement: 'between', // on or between
        tickPixelInterval: 100,
        tickPosition: 'outside',
        tickWidth: 1,
        title: {
                //text: null,
                align: 'middle', // low, middle or high
                //margin: 0 for horizontal, 10 for vertical axes,
                //rotation: 0,
                //side: 'outside',
                style: {
                        color: '#707070'
                }
                //x: 0,
                //y: 0
        },
        type: 'linear' // linear, logarithmic or datetime
},

/**
 * This options set extends the defaultOptions for Y axes
 */
defaultYAxisOptions: {
        endOnTick: true,
        gridLineWidth: 1,
        tickPixelInterval: 72,
        showLastLabel: true,
        labels: {
                x: -8,
                y: 3
        },
        lineWidth: 0,
        maxPadding: 0.05,
        minPadding: 0.05,
        startOnTick: true,
        tickWidth: 0,
        title: {
                rotation: 270,
                text: 'Values'
        },
        stackLabels: {
                enabled: false,
                //align: dynamic,
                //y: dynamic,
                //x: dynamic,
                //verticalAlign: dynamic,
                //textAlign: dynamic,
                //rotation: 0,
                formatter: function () {
                        return numberFormat(this.total, -1);
                },
                style: defaultLabelOptions.style
        }
},

/**
 * These options extend the defaultOptions for left axes
 */
defaultLeftAxisOptions: {
        labels: {
                x: -15,
                y: null
        },
        title: {
                rotation: 270
        }
},

/**
 * These options extend the defaultOptions for right axes
 */
defaultRightAxisOptions: {
        labels: {
                x: 15,
                y: null
        },
        title: {
                rotation: 90
        }
},

/**
 * These options extend the defaultOptions for bottom axes
 */
defaultBottomAxisOptions: {
        labels: {
                x: 0,
                y: 20
                // overflow: undefined,
                // staggerLines: null
        },
        title: {
                rotation: 0
        }
},
/**
 * These options extend the defaultOptions for left axes
 */
defaultTopAxisOptions: {
        labels: {
                x: 0,
                y: -15
                // overflow: undefined
                // staggerLines: null
        },
        title: {
                rotation: 0
        }
},

/**
 * Initialize the axis
 */
init: function (chart, userOptions) {

        var isXAxis = userOptions.isX,
                axis = this;

        // Flag, is the axis horizontal
        axis.horiz = chart.inverted ? !isXAxis : isXAxis;

        // Flag, isXAxis
        axis.isXAxis = isXAxis;
        axis.coll = isXAxis ? 'xAxis' : 'yAxis';

        axis.opposite = userOptions.opposite; // needed in setOptions
        axis.side = userOptions.side || (axis.horiz ?
                        (axis.opposite ? 0 : 2) : // top : bottom
                        (axis.opposite ? 1 : 3));  // right : left

        axis.setOptions(userOptions);

        var options = this.options,
                type = options.type,
                isDatetimeAxis = type === 'datetime';

        axis.labelFormatter = options.labels.formatter || axis.defaultLabelFormatter; // can be overwritten by dynamic format

        // Flag, stagger lines or not
        axis.userOptions = userOptions;

        //axis.axisTitleMargin = UNDEFINED,// = options.title.margin,
        axis.minPixelPadding = 0;
        //axis.ignoreMinPadding = UNDEFINED; // can be set to true by a column or bar series
        //axis.ignoreMaxPadding = UNDEFINED;

        axis.chart = chart;
        axis.reversed = options.reversed;
        axis.zoomEnabled = options.zoomEnabled !== false;

        // Initial categories
        axis.categories = options.categories || type === 'category';
        axis.names = [];

        // Elements
        //axis.axisGroup = UNDEFINED;
        //axis.gridGroup = UNDEFINED;
        //axis.axisTitle = UNDEFINED;
        //axis.axisLine = UNDEFINED;

        // Shorthand types
        axis.isLog = type === 'logarithmic';
        axis.isDatetimeAxis = isDatetimeAxis;

        // Flag, if axis is linked to another axis
        axis.isLinked = defined(options.linkedTo);
        // Linked axis.
        //axis.linkedParent = UNDEFINED;

        // Tick positions
        //axis.tickPositions = UNDEFINED; // array containing predefined positions
        // Tick intervals
        //axis.tickInterval = UNDEFINED;
        //axis.minorTickInterval = UNDEFINED;

        axis.tickmarkOffset = (axis.categories && options.tickmarkPlacement === 'between') ? 0.5 : 0;

        // Major ticks
        axis.ticks = {};
        axis.labelEdge = [];
        // Minor ticks
        axis.minorTicks = {};
        //axis.tickAmount = UNDEFINED;

        // List of plotLines/Bands
        axis.plotLinesAndBands = [];

        // Alternate bands
        axis.alternateBands = {};

        // Axis metrics
        //axis.left = UNDEFINED;
        //axis.top = UNDEFINED;
        //axis.width = UNDEFINED;
        //axis.height = UNDEFINED;
        //axis.bottom = UNDEFINED;
        //axis.right = UNDEFINED;
        //axis.transA = UNDEFINED;
        //axis.transB = UNDEFINED;
        //axis.oldTransA = UNDEFINED;
        axis.len = 0;
        //axis.oldMin = UNDEFINED;
        //axis.oldMax = UNDEFINED;
        //axis.oldUserMin = UNDEFINED;
        //axis.oldUserMax = UNDEFINED;
        //axis.oldAxisLength = UNDEFINED;
        axis.minRange = axis.userMinRange = options.minRange || options.maxZoom;
        axis.range = options.range;
        axis.offset = options.offset || 0;

        // Dictionary for stacks
        axis.stacks = {};
        axis.oldStacks = {};

        // Min and max in the data
        //axis.dataMin = UNDEFINED,
        //axis.dataMax = UNDEFINED,

        // The axis range
        axis.max = null;
        axis.min = null;

        // User set min and max
        //axis.userMin = UNDEFINED,
        //axis.userMax = UNDEFINED,

        // Crosshair options
        axis.crosshair = pick(options.crosshair, splat(chart.options.tooltip.crosshairs)[isXAxis ? 0 : 1], false);
        // Run Axis

        var eventType,
                events = axis.options.events;

        // Register
        if (inArray(axis, chart.axes) === -1) { // don't add it again on Axis.update()
                if (isXAxis && !this.isColorAxis) { // #2713
                        chart.axes.splice(chart.xAxis.length, 0, axis);
                } else {
                        chart.axes.push(axis);
                }

                chart[axis.coll].push(axis);
        }

        axis.series = axis.series || []; // populated by Series

        // inverted charts have reversed xAxes as default
        if (chart.inverted && isXAxis && axis.reversed === UNDEFINED) {
                axis.reversed = true;
        }

        axis.removePlotBand = axis.removePlotBandOrLine;
        axis.removePlotLine = axis.removePlotBandOrLine;

        // register event listeners
        for (eventType in events) {
                addEvent(axis, eventType, events[eventType]);
        }

        // extend logarithmic axis
        if (axis.isLog) {
                axis.val2lin = log2lin;
                axis.lin2val = lin2log;
        }
},

/**
 * Merge and set options
 */
setOptions: function (userOptions) {
        this.options = merge(
                this.defaultOptions,
                this.isXAxis ? {} : this.defaultYAxisOptions,
                [this.defaultTopAxisOptions, this.defaultRightAxisOptions,
                        this.defaultBottomAxisOptions, this.defaultLeftAxisOptions][this.side],
                merge(
                        defaultOptions[this.coll], // if set in setOptions (#1053)
                        userOptions
                )
        );
},

/**
 * The default label formatter. The context is a special config object for the label.
 */
defaultLabelFormatter: function () {
        var axis = this.axis,
                value = this.value,
                categories = axis.categories,
                dateTimeLabelFormat = this.dateTimeLabelFormat,
                numericSymbols = defaultOptions.lang.numericSymbols,
                i = numericSymbols && numericSymbols.length,
                multi,
                ret,
                formatOption = axis.options.labels.format,

                // make sure the same symbol is added for all labels on a linear axis
                numericSymbolDetector = axis.isLog ? value : axis.tickInterval;

        if (formatOption) {
                ret = format(formatOption, this);

        } else if (categories) {
                ret = value;

        } else if (dateTimeLabelFormat) { // datetime axis
                ret = dateFormat(dateTimeLabelFormat, value);

        } else if (i && numericSymbolDetector >= 1000) {
                // Decide whether we should add a numeric symbol like k (thousands) or M (millions).
                // If we are to enable this in tooltip or other places as well, we can move this
                // logic to the numberFormatter and enable it by a parameter.
                while (i-- && ret === UNDEFINED) {
                        multi = Math.pow(1000, i + 1);
                        if (numericSymbolDetector >= multi && numericSymbols[i] !== null) {
                                ret = numberFormat(value / multi, -1) + numericSymbols[i];
                        }
                }
        }

        if (ret === UNDEFINED) {
                if (mathAbs(value) >= 10000) { // add thousands separators
                        ret = numberFormat(value, 0);

                } else { // small numbers
                        ret = numberFormat(value, -1, UNDEFINED, ''); // #2466
                }
        }

        return ret;
},

/**
 * Get the minimum and maximum for the series of each axis
 */
getSeriesExtremes: function () {
        var axis = this,
                chart = axis.chart;

        axis.hasVisibleSeries = false;

        // reset dataMin and dataMax in case we're redrawing
        axis.dataMin = axis.dataMax = null;

        if (axis.buildStacks) {
                axis.buildStacks();
        }

        // loop through this axis' series
        each(axis.series, function (series) {

                if (series.visible || !chart.options.chart.ignoreHiddenSeries) {

                        var seriesOptions = series.options,
                                xData,
                                threshold = seriesOptions.threshold,
                                seriesDataMin,
                                seriesDataMax;

                        axis.hasVisibleSeries = true;

                        // Validate threshold in logarithmic axes
                        if (axis.isLog && threshold <= 0) {
                                threshold = null;
                        }

                        // Get dataMin and dataMax for X axes
                        if (axis.isXAxis) {
                                xData = series.xData;
                                if (xData.length) {
                                        axis.dataMin = mathMin(pick(axis.dataMin, xData[0]), arrayMin(xData));
                                        axis.dataMax = mathMax(pick(axis.dataMax, xData[0]), arrayMax(xData));
                                }

                        // Get dataMin and dataMax for Y axes, as well as handle stacking and processed data
                        } else {

                                // Get this particular series extremes
                                series.getExtremes();
                                seriesDataMax = series.dataMax;
                                seriesDataMin = series.dataMin;

                                // Get the dataMin and dataMax so far. If percentage is used, the min and max are
                                // always 0 and 100. If seriesDataMin and seriesDataMax is null, then series
                                // doesn't have active y data, we continue with nulls
                                if (defined(seriesDataMin) && defined(seriesDataMax)) {
                                        axis.dataMin = mathMin(pick(axis.dataMin, seriesDataMin), seriesDataMin);
                                        axis.dataMax = mathMax(pick(axis.dataMax, seriesDataMax), seriesDataMax);
                                }

                                // Adjust to threshold
                                if (defined(threshold)) {
                                        if (axis.dataMin >= threshold) {
                                                axis.dataMin = threshold;
                                                axis.ignoreMinPadding = true;
                                        } else if (axis.dataMax < threshold) {
                                                axis.dataMax = threshold;
                                                axis.ignoreMaxPadding = true;
                                        }
                                }
                        }
                }
        });
},

/**
 * Translate from axis value to pixel position on the chart, or back
 *
 */
translate: function (val, backwards, cvsCoord, old, handleLog, pointPlacement) {
        var axis = this,
                sign = 1,
                cvsOffset = 0,
                localA = old ? axis.oldTransA : axis.transA,
                localMin = old ? axis.oldMin : axis.min,
                returnValue,
                minPixelPadding = axis.minPixelPadding,
                postTranslate = (axis.options.ordinal || (axis.isLog && handleLog)) && axis.lin2val;

        if (!localA) {
                localA = axis.transA;
        }

        // In vertical axes, the canvas coordinates start from 0 at the top like in
        // SVG.
        if (cvsCoord) {
                sign *= -1; // canvas coordinates inverts the value
                cvsOffset = axis.len;
        }

        // Handle reversed axis
        if (axis.reversed) {
                sign *= -1;
                cvsOffset -= sign * (axis.sector || axis.len);
        }

        // From pixels to value
        if (backwards) { // reverse translation

                val = val * sign + cvsOffset;
                val -= minPixelPadding;
                returnValue = val / localA + localMin; // from chart pixel to value
                if (postTranslate) { // log and ordinal axes
                        returnValue = axis.lin2val(returnValue);
                }

        // From value to pixels
        } else {
                if (postTranslate) { // log and ordinal axes
                        val = axis.val2lin(val);
                }
                if (pointPlacement === 'between') {
                        pointPlacement = 0.5;
                }
                returnValue = sign * (val - localMin) * localA + cvsOffset + (sign * minPixelPadding) +
                        (isNumber(pointPlacement) ? localA * pointPlacement * axis.pointRange : 0);
        }

        return returnValue;
},

/**
 * Utility method to translate an axis value to pixel position.
 * @param {Number} value A value in terms of axis units
 * @param {Boolean} paneCoordinates Whether to return the pixel coordinate relative to the chart
 *        or just the axis/pane itself.
 */
toPixels: function (value, paneCoordinates) {
        return this.translate(value, false, !this.horiz, null, true) + (paneCoordinates ? 0 : this.pos);
},

/*
 * Utility method to translate a pixel position in to an axis value
 * @param {Number} pixel The pixel value coordinate
 * @param {Boolean} paneCoordiantes Whether the input pixel is relative to the chart or just the
 *        axis/pane itself.
 */
toValue: function (pixel, paneCoordinates) {
        return this.translate(pixel - (paneCoordinates ? 0 : this.pos), true, !this.horiz, null, true);
},

/**
 * Create the path for a plot line that goes from the given value on
 * this axis, across the plot to the opposite side
 * @param {Number} value
 * @param {Number} lineWidth Used for calculation crisp line
 * @param {Number] old Use old coordinates (for resizing and rescaling)
 */
getPlotLinePath: function (value, lineWidth, old, force, translatedValue) {
        var axis = this,
                chart = axis.chart,
                axisLeft = axis.left,
                axisTop = axis.top,
                x1,
                y1,
                x2,
                y2,
                cHeight = (old && chart.oldChartHeight) || chart.chartHeight,
                cWidth = (old && chart.oldChartWidth) || chart.chartWidth,
                skip,
                transB = axis.transB;

        translatedValue = pick(translatedValue, axis.translate(value, null, null, old));
        x1 = x2 = mathRound(translatedValue + transB);
        y1 = y2 = mathRound(cHeight - translatedValue - transB);

        if (isNaN(translatedValue)) { // no min or max
                skip = true;

        } else if (axis.horiz) {
                y1 = axisTop;
                y2 = cHeight - axis.bottom;
                if (x1 < axisLeft || x1 > axisLeft + axis.width) {
                        skip = true;
                }
        } else {
                x1 = axisLeft;
                x2 = cWidth - axis.right;

                if (y1 < axisTop || y1 > axisTop + axis.height) {
                        skip = true;
                }
        }
        return skip && !force ?
                null :
                chart.renderer.crispLine([M, x1, y1, L, x2, y2], lineWidth || 1);
},

/**
 * Set the tick positions of a linear axis to round values like whole tens or every five.
 */
getLinearTickPositions: function (tickInterval, min, max) {
        var pos,
                lastPos,
                roundedMin = correctFloat(mathFloor(min / tickInterval) * tickInterval),
                roundedMax = correctFloat(mathCeil(max / tickInterval) * tickInterval),
                tickPositions = [];

        // For single points, add a tick regardless of the relative position (#2662)
        if (min === max && isNumber(min)) {
                return [min];
        }

        // Populate the intermediate values
        pos = roundedMin;
        while (pos <= roundedMax) {

                // Place the tick on the rounded value
                tickPositions.push(pos);

                // Always add the raw tickInterval, not the corrected one.
                pos = correctFloat(pos + tickInterval);

                // If the interval is not big enough in the current min - max range to actually increase
                // the loop variable, we need to break out to prevent endless loop. Issue #619
                if (pos === lastPos) {
                        break;
                }

                // Record the last value
                lastPos = pos;
        }
        return tickPositions;
},

/**
 * Return the minor tick positions. For logarithmic axes, reuse the same logic
 * as for major ticks.
 */
getMinorTickPositions: function () {
        var axis = this,
                options = axis.options,
                tickPositions = axis.tickPositions,
                minorTickInterval = axis.minorTickInterval,
                minorTickPositions = [],
                pos,
                i,
                len;

        if (axis.isLog) {
                len = tickPositions.length;
                for (i = 1; i < len; i++) {
                        minorTickPositions = minorTickPositions.concat(
                                axis.getLogTickPositions(minorTickInterval, tickPositions[i - 1], tickPositions[i], true)
                        );
                }
        } else if (axis.isDatetimeAxis && options.minorTickInterval === 'auto') { // #1314
                minorTickPositions = minorTickPositions.concat(
                        axis.getTimeTicks(
                                axis.normalizeTimeTickInterval(minorTickInterval),
                                axis.min,
                                axis.max,
                                options.startOfWeek
                        )
                );
                if (minorTickPositions[0] < axis.min) {
                        minorTickPositions.shift();
                }
        } else {
                for (pos = axis.min + (tickPositions[0] - axis.min) % minorTickInterval; pos <= axis.max; pos += minorTickInterval) {
                        minorTickPositions.push(pos);
                }
        }
        return minorTickPositions;
},

/**
 * Adjust the min and max for the minimum range. Keep in mind that the series data is
 * not yet processed, so we don't have information on data cropping and grouping, or
 * updated axis.pointRange or series.pointRange. The data can't be processed until
 * we have finally established min and max.
 */
adjustForMinRange: function () {
        var axis = this,
                options = axis.options,
                min = axis.min,
                max = axis.max,
                zoomOffset,
                spaceAvailable = axis.dataMax - axis.dataMin >= axis.minRange,
                closestDataRange,
                i,
                distance,
                xData,
                loopLength,
                minArgs,
                maxArgs;

        // Set the automatic minimum range based on the closest point distance
        if (axis.isXAxis && axis.minRange === UNDEFINED && !axis.isLog) {

                if (defined(options.min) || defined(options.max)) {
                        axis.minRange = null; // don't do this again

                } else {

                        // Find the closest distance between raw data points, as opposed to
                        // closestPointRange that applies to processed points (cropped and grouped)
                        each(axis.series, function (series) {
                                xData = series.xData;
                                loopLength = series.xIncrement ? 1 : xData.length - 1;
                                for (i = loopLength; i > 0; i--) {
                                        distance = xData[i] - xData[i - 1];
                                        if (closestDataRange === UNDEFINED || distance < closestDataRange) {
                                                closestDataRange = distance;
                                        }
                                }
                        });
                        axis.minRange = mathMin(closestDataRange * 5, axis.dataMax - axis.dataMin);
                }
        }

        // if minRange is exceeded, adjust
        if (max - min < axis.minRange) {
                var minRange = axis.minRange;
                zoomOffset = (minRange - max + min) / 2;

                // if min and max options have been set, don't go beyond it
                minArgs = [min - zoomOffset, pick(options.min, min - zoomOffset)];
                if (spaceAvailable) { // if space is available, stay within the data range
                        minArgs[2] = axis.dataMin;
                }
                min = arrayMax(minArgs);

                maxArgs = [min + minRange, pick(options.max, min + minRange)];
                if (spaceAvailable) { // if space is availabe, stay within the data range
                        maxArgs[2] = axis.dataMax;
                }

                max = arrayMin(maxArgs);

                // now if the max is adjusted, adjust the min back
                if (max - min < minRange) {
                        minArgs[0] = max - minRange;
                        minArgs[1] = pick(options.min, max - minRange);
                        min = arrayMax(minArgs);
                }
        }

        // Record modified extremes
        axis.min = min;
        axis.max = max;
},

/**
 * Update translation information
 */
setAxisTranslation: function (saveOld) {
        var axis = this,
                range = axis.max - axis.min,
                pointRange = axis.axisPointRange || 0,
                closestPointRange,
                minPointOffset = 0,
                pointRangePadding = 0,
                linkedParent = axis.linkedParent,
                ordinalCorrection,
                hasCategories = !!axis.categories,
                transA = axis.transA;

        // Adjust translation for padding. Y axis with categories need to go through the same (#1784).
        if (axis.isXAxis || hasCategories || pointRange) {
                if (linkedParent) {
                        minPointOffset = linkedParent.minPointOffset;
                        pointRangePadding = linkedParent.pointRangePadding;

                } else {
                        each(axis.series, function (series) {
                                var seriesPointRange = hasCategories ? 1 : (axis.isXAxis ? series.pointRange : (axis.axisPointRange || 0)), // #2806
                                        pointPlacement = series.options.pointPlacement,
                                        seriesClosestPointRange = series.closestPointRange;

                                if (seriesPointRange > range) { // #1446
                                        seriesPointRange = 0;
                                }
                                pointRange = mathMax(pointRange, seriesPointRange);

                                // minPointOffset is the value padding to the left of the axis in order to make
                                // room for points with a pointRange, typically columns. When the pointPlacement option
                                // is 'between' or 'on', this padding does not apply.
                                minPointOffset = mathMax(
                                        minPointOffset,
                                        isString(pointPlacement) ? 0 : seriesPointRange / 2
                                );

                                // Determine the total padding needed to the length of the axis to make room for the
                                // pointRange. If the series' pointPlacement is 'on', no padding is added.
                                pointRangePadding = mathMax(
                                        pointRangePadding,
                                        pointPlacement === 'on' ? 0 : seriesPointRange
                                );

                                // Set the closestPointRange
                                if (!series.noSharedTooltip && defined(seriesClosestPointRange)) {
                                        closestPointRange = defined(closestPointRange) ?
                                                mathMin(closestPointRange, seriesClosestPointRange) :
                                                seriesClosestPointRange;
                                }
                        });
                }

                // Record minPointOffset and pointRangePadding
                ordinalCorrection = axis.ordinalSlope && closestPointRange ? axis.ordinalSlope / closestPointRange : 1; // #988, #1853
                axis.minPointOffset = minPointOffset = minPointOffset * ordinalCorrection;
                axis.pointRangePadding = pointRangePadding = pointRangePadding * ordinalCorrection;

                // pointRange means the width reserved for each point, like in a column chart
                axis.pointRange = mathMin(pointRange, range);

                // closestPointRange means the closest distance between points. In columns
                // it is mostly equal to pointRange, but in lines pointRange is 0 while closestPointRange
                // is some other value
                axis.closestPointRange = closestPointRange;
        }

        // Secondary values
        if (saveOld) {
                axis.oldTransA = transA;
        }
        axis.translationSlope = axis.transA = transA = axis.len / ((range + pointRangePadding) || 1);
        axis.transB = axis.horiz ? axis.left : axis.bottom; // translation addend
        axis.minPixelPadding = transA * minPointOffset;
},

/**
 * Set the tick positions to round values and optionally extend the extremes
 * to the nearest tick
 */
setTickPositions: function (secondPass) {
        var axis = this,
                chart = axis.chart,
                options = axis.options,
                isLog = axis.isLog,
                isDatetimeAxis = axis.isDatetimeAxis,
                isXAxis = axis.isXAxis,
                isLinked = axis.isLinked,
                tickPositioner = axis.options.tickPositioner,
                maxPadding = options.maxPadding,
                minPadding = options.minPadding,
                length,
                linkedParentExtremes,
                tickIntervalOption = options.tickInterval,
                minTickIntervalOption = options.minTickInterval,
                tickPixelIntervalOption = options.tickPixelInterval,
                tickPositions,
                keepTwoTicksOnly,
                categories = axis.categories;

        // linked axis gets the extremes from the parent axis
        if (isLinked) {
                axis.linkedParent = chart[axis.coll][options.linkedTo];
                linkedParentExtremes = axis.linkedParent.getExtremes();
                axis.min = pick(linkedParentExtremes.min, linkedParentExtremes.dataMin);
                axis.max = pick(linkedParentExtremes.max, linkedParentExtremes.dataMax);
                if (options.type !== axis.linkedParent.options.type) {
                        error(11, 1); // Can't link axes of different type
                }
        } else { // initial min and max from the extreme data values
                axis.min = pick(axis.userMin, options.min, axis.dataMin);
                axis.max = pick(axis.userMax, options.max, axis.dataMax);
        }

        if (isLog) {
                if (!secondPass && mathMin(axis.min, pick(axis.dataMin, axis.min)) <= 0) { // #978
                        error(10, 1); // Can't plot negative values on log axis
                }
                axis.min = correctFloat(log2lin(axis.min)); // correctFloat cures #934
                axis.max = correctFloat(log2lin(axis.max));
        }

        // handle zoomed range
        if (axis.range && defined(axis.max)) {
                axis.userMin = axis.min = mathMax(axis.min, axis.max - axis.range); // #618
                axis.userMax = axis.max;

                axis.range = null;  // don't use it when running setExtremes
        }

        // Hook for adjusting this.min and this.max. Used by bubble series.
        if (axis.beforePadding) {
                axis.beforePadding();
        }

        // adjust min and max for the minimum range
        axis.adjustForMinRange();

        // Pad the values to get clear of the chart's edges. To avoid tickInterval taking the padding
        // into account, we do this after computing tick interval (#1337).
        if (!categories && !axis.axisPointRange && !axis.usePercentage && !isLinked && defined(axis.min) && defined(axis.max)) {
                length = axis.max - axis.min;
                if (length) {
                        if (!defined(options.min) && !defined(axis.userMin) && minPadding && (axis.dataMin < 0 || !axis.ignoreMinPadding)) {
                                axis.min -= length * minPadding;
                        }
                        if (!defined(options.max) && !defined(axis.userMax)  && maxPadding && (axis.dataMax > 0 || !axis.ignoreMaxPadding)) {
                                axis.max += length * maxPadding;
                        }
                }
        }

        // Stay within floor and ceiling
        if (isNumber(options.floor)) {
                axis.min = mathMax(axis.min, options.floor);
        }
        if (isNumber(options.ceiling)) {
                axis.max = mathMin(axis.max, options.ceiling);
        }

        // get tickInterval
        if (axis.min === axis.max || axis.min === undefined || axis.max === undefined) {
                axis.tickInterval = 1;
        } else if (isLinked && !tickIntervalOption &&
                        tickPixelIntervalOption === axis.linkedParent.options.tickPixelInterval) {
                axis.tickInterval = axis.linkedParent.tickInterval;
        } else {
                axis.tickInterval = pick(
                        tickIntervalOption,
                        categories ? // for categoried axis, 1 is default, for linear axis use tickPix
                                1 :
                                // don't let it be more than the data range
                                (axis.max - axis.min) * tickPixelIntervalOption / mathMax(axis.len, tickPixelIntervalOption)
                );
                // For squished axes, set only two ticks
                if (!defined(tickIntervalOption) && axis.len < tickPixelIntervalOption && !this.isRadial &&
                                !this.isLog && !categories && options.startOnTick && options.endOnTick) {
                        keepTwoTicksOnly = true;
                        axis.tickInterval /= 4; // tick extremes closer to the real values
                }
        }

        // Now we're finished detecting min and max, crop and group series data. This
        // is in turn needed in order to find tick positions in ordinal axes.
        if (isXAxis && !secondPass) {
                each(axis.series, function (series) {
                        series.processData(axis.min !== axis.oldMin || axis.max !== axis.oldMax);
                });
        }

        // set the translation factor used in translate function
        axis.setAxisTranslation(true);

        // hook for ordinal axes and radial axes
        if (axis.beforeSetTickPositions) {
                axis.beforeSetTickPositions();
        }

        // hook for extensions, used in Highstock ordinal axes
        if (axis.postProcessTickInterval) {
                axis.tickInterval = axis.postProcessTickInterval(axis.tickInterval);
        }

        // In column-like charts, don't cramp in more ticks than there are points (#1943)
        if (axis.pointRange) {
                axis.tickInterval = mathMax(axis.pointRange, axis.tickInterval);
        }

        // Before normalizing the tick interval, handle minimum tick interval. This applies only if tickInterval is not defined.
        if (!tickIntervalOption && axis.tickInterval < minTickIntervalOption) {
                axis.tickInterval = minTickIntervalOption;
        }

        // for linear axes, get magnitude and normalize the interval
        if (!isDatetimeAxis && !isLog) { // linear
                if (!tickIntervalOption) {
                        axis.tickInterval = normalizeTickInterval(axis.tickInterval, null, getMagnitude(axis.tickInterval), options);
                }
        }

        // get minorTickInterval
        axis.minorTickInterval = options.minorTickInterval === 'auto' && axis.tickInterval ?
                        axis.tickInterval / 5 : options.minorTickInterval;

        // find the tick positions
        axis.tickPositions = tickPositions = options.tickPositions ?
                [].concat(options.tickPositions) : // Work on a copy (#1565)
                (tickPositioner && tickPositioner.apply(axis, [axis.min, axis.max]));
        if (!tickPositions) {

                // Too many ticks
                if (!axis.ordinalPositions && (axis.max - axis.min) / axis.tickInterval > mathMax(2 * axis.len, 200)) {
                        error(19, true);
                }

                if (isDatetimeAxis) {
                        tickPositions = axis.getTimeTicks(
                                axis.normalizeTimeTickInterval(axis.tickInterval, options.units),
                                axis.min,
                                axis.max,
                                options.startOfWeek,
                                axis.ordinalPositions,
                                axis.closestPointRange,
                                true
                        );
                } else if (isLog) {
                        tickPositions = axis.getLogTickPositions(axis.tickInterval, axis.min, axis.max);
                } else {
                        tickPositions = axis.getLinearTickPositions(axis.tickInterval, axis.min, axis.max);
                }

                if (keepTwoTicksOnly) {
                        tickPositions.splice(1, tickPositions.length - 2);
                }

                axis.tickPositions = tickPositions;
        }

        if (!isLinked) {

                // reset min/max or remove extremes based on start/end on tick
                var roundedMin = tickPositions[0],
                        roundedMax = tickPositions[tickPositions.length - 1],
                        minPointOffset = axis.minPointOffset || 0,
                        singlePad;

                if (options.startOnTick) {
                        axis.min = roundedMin;
                } else if (axis.min - minPointOffset > roundedMin) {
                        tickPositions.shift();
                }

                if (options.endOnTick) {
                        axis.max = roundedMax;
                } else if (axis.max + minPointOffset < roundedMax) {
                        tickPositions.pop();
                }

                // When there is only one point, or all points have the same value on this axis, then min
                // and max are equal and tickPositions.length is 0 or 1. In this case, add some padding
                // in order to center the point, but leave it with one tick. #1337.
                if (tickPositions.length === 1) {
                        singlePad = mathAbs(axis.max) > 10e12 ? 1 : 0.001; // The lowest possible number to avoid extra padding on columns (#2619, #2846)
                        axis.min -= singlePad;
                        axis.max += singlePad;
                }
        }
},

/**
 * Set the max ticks of either the x and y axis collection
 */
setMaxTicks: function () {

        var chart = this.chart,
                maxTicks = chart.maxTicks || {},
                tickPositions = this.tickPositions,
                key = this._maxTicksKey = [this.coll, this.pos, this.len].join('-');

        if (!this.isLinked && !this.isDatetimeAxis && tickPositions && tickPositions.length > (maxTicks[key] || 0) && this.options.alignTicks !== false) {
                maxTicks[key] = tickPositions.length;
        }
        chart.maxTicks = maxTicks;
},

/**
 * When using multiple axes, adjust the number of ticks to match the highest
 * number of ticks in that group
 */
adjustTickAmount: function () {
        var axis = this,
                chart = axis.chart,
                key = axis._maxTicksKey,
                tickPositions = axis.tickPositions,
                maxTicks = chart.maxTicks;

        if (maxTicks && maxTicks[key] && !axis.isDatetimeAxis && !axis.categories && !axis.isLinked &&
                        axis.options.alignTicks !== false && this.min !== UNDEFINED) {
                var oldTickAmount = axis.tickAmount,
                        calculatedTickAmount = tickPositions.length,
                        tickAmount;

                // set the axis-level tickAmount to use below
                axis.tickAmount = tickAmount = maxTicks[key];

                if (calculatedTickAmount < tickAmount) {
                        while (tickPositions.length < tickAmount) {
                                tickPositions.push(correctFloat(
                                        tickPositions[tickPositions.length - 1] + axis.tickInterval
                                ));
                        }
                        axis.transA *= (calculatedTickAmount - 1) / (tickAmount - 1);
                        axis.max = tickPositions[tickPositions.length - 1];

                }
                if (defined(oldTickAmount) && tickAmount !== oldTickAmount) {
                        axis.isDirty = true;
                }
        }
},

/**
 * Set the scale based on data min and max, user set min and max or options
 *
 */
setScale: function () {
        var axis = this,
                stacks = axis.stacks,
                type,
                i,
                isDirtyData,
                isDirtyAxisLength;

        axis.oldMin = axis.min;
        axis.oldMax = axis.max;
        axis.oldAxisLength = axis.len;

        // set the new axisLength
        axis.setAxisSize();
        //axisLength = horiz ? axisWidth : axisHeight;
        isDirtyAxisLength = axis.len !== axis.oldAxisLength;

        // is there new data?
        each(axis.series, function (series) {
                if (series.isDirtyData || series.isDirty ||
                                series.xAxis.isDirty) { // when x axis is dirty, we need new data extremes for y as well
                        isDirtyData = true;
                }
        });

        // do we really need to go through all this?
        if (isDirtyAxisLength || isDirtyData || axis.isLinked || axis.forceRedraw ||
                axis.userMin !== axis.oldUserMin || axis.userMax !== axis.oldUserMax) {

                // reset stacks
                if (!axis.isXAxis) {
                        for (type in stacks) {
                                for (i in stacks[type]) {
                                        stacks[type][i].total = null;
                                        stacks[type][i].cum = 0;
                                }
                        }
                }

                axis.forceRedraw = false;

                // get data extremes if needed
                axis.getSeriesExtremes();

                // get fixed positions based on tickInterval
                axis.setTickPositions();

                // record old values to decide whether a rescale is necessary later on (#540)
                axis.oldUserMin = axis.userMin;
                axis.oldUserMax = axis.userMax;

                // Mark as dirty if it is not already set to dirty and extremes have changed. #595.
                if (!axis.isDirty) {
                        axis.isDirty = isDirtyAxisLength || axis.min !== axis.oldMin || axis.max !== axis.oldMax;
                }
        } else if (!axis.isXAxis) {
                if (axis.oldStacks) {
                        stacks = axis.stacks = axis.oldStacks;
                }

                // reset stacks
                for (type in stacks) {
                        for (i in stacks[type]) {
                                stacks[type][i].cum = stacks[type][i].total;
                        }
                }
        }

        // Set the maximum tick amount
        axis.setMaxTicks();
},

/**
 * Set the extremes and optionally redraw
 * @param {Number} newMin
 * @param {Number} newMax
 * @param {Boolean} redraw
 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
 *    configuration
 * @param {Object} eventArguments
 *
 */
setExtremes: function (newMin, newMax, redraw, animation, eventArguments) {
        var axis = this,
                chart = axis.chart;

        redraw = pick(redraw, true); // defaults to true

        // Extend the arguments with min and max
        eventArguments = extend(eventArguments, {
                min: newMin,
                max: newMax
        });

        // Fire the event
        fireEvent(axis, 'setExtremes', eventArguments, function () { // the default event handler

                axis.userMin = newMin;
                axis.userMax = newMax;
                axis.eventArgs = eventArguments;

                // Mark for running afterSetExtremes
                axis.isDirtyExtremes = true;

                // redraw
                if (redraw) {
                        chart.redraw(animation);
                }
        });
},

/**
 * Overridable method for zooming chart. Pulled out in a separate method to allow overriding
 * in stock charts.
 */
zoom: function (newMin, newMax) {
        var dataMin = this.dataMin,
                dataMax = this.dataMax,
                options = this.options;

        // Prevent pinch zooming out of range. Check for defined is for #1946. #1734.
        if (!this.allowZoomOutside) {
                if (defined(dataMin) && newMin <= mathMin(dataMin, pick(options.min, dataMin))) {
                        newMin = UNDEFINED;
                }
                if (defined(dataMax) && newMax >= mathMax(dataMax, pick(options.max, dataMax))) {
                        newMax = UNDEFINED;
                }
        }

        // In full view, displaying the reset zoom button is not required
        this.displayBtn = newMin !== UNDEFINED || newMax !== UNDEFINED;

        // Do it
        this.setExtremes(
                newMin,
                newMax,
                false,
                UNDEFINED,
                { trigger: 'zoom' }
        );
        return true;
},

/**
 * Update the axis metrics
 */
setAxisSize: function () {
        var chart = this.chart,
                options = this.options,
                offsetLeft = options.offsetLeft || 0,
                offsetRight = options.offsetRight || 0,
                horiz = this.horiz,
                width = pick(options.width, chart.plotWidth - offsetLeft + offsetRight),
                height = pick(options.height, chart.plotHeight),
                top = pick(options.top, chart.plotTop),
                left = pick(options.left, chart.plotLeft + offsetLeft),
                percentRegex = /%$/; // docs

        // Check for percentage based input values
        if (percentRegex.test(height)) {
                height = parseInt(height, 10) / 100 * chart.plotHeight;
        }
        if (percentRegex.test(top)) {
                top = parseInt(top, 10) / 100 * chart.plotHeight + chart.plotTop;
        }

        // Expose basic values to use in Series object and navigator
        this.left = left;
        this.top = top;
        this.width = width;
        this.height = height;
        this.bottom = chart.chartHeight - height - top;
        this.right = chart.chartWidth - width - left;

        // Direction agnostic properties
        this.len = mathMax(horiz ? width : height, 0); // mathMax fixes #905
        this.pos = horiz ? left : top; // distance from SVG origin
},

/**
 * Get the actual axis extremes
 */
getExtremes: function () {
        var axis = this,
                isLog = axis.isLog;

        return {
                min: isLog ? correctFloat(lin2log(axis.min)) : axis.min,
                max: isLog ? correctFloat(lin2log(axis.max)) : axis.max,
                dataMin: axis.dataMin,
                dataMax: axis.dataMax,
                userMin: axis.userMin,
                userMax: axis.userMax
        };
},

/**
 * Get the zero plane either based on zero or on the min or max value.
 * Used in bar and area plots
 */
getThreshold: function (threshold) {
        var axis = this,
                isLog = axis.isLog;

        var realMin = isLog ? lin2log(axis.min) : axis.min,
                realMax = isLog ? lin2log(axis.max) : axis.max;

        if (realMin > threshold || threshold === null) {
                threshold = realMin;
        } else if (realMax < threshold) {
                threshold = realMax;
        }

        return axis.translate(threshold, 0, 1, 0, 1);
},

/**
 * Compute auto alignment for the axis label based on which side the axis is on
 * and the given rotation for the label
 */
autoLabelAlign: function (rotation) {
        var ret,
                angle = (pick(rotation, 0) - (this.side * 90) + 720) % 360;

        if (angle > 15 && angle < 165) {
                ret = 'right';
        } else if (angle > 195 && angle < 345) {
                ret = 'left';
        } else {
                ret = 'center';
        }
        return ret;
},

/**
 * Render the tick labels to a preliminary position to get their sizes
 */
getOffset: function () {
        var axis = this,
                chart = axis.chart,
                renderer = chart.renderer,
                options = axis.options,
                tickPositions = axis.tickPositions,
                ticks = axis.ticks,
                horiz = axis.horiz,
                side = axis.side,
                invertedSide = chart.inverted ? [1, 0, 3, 2][side] : side,
                hasData,
                showAxis,
                titleOffset = 0,
                titleOffsetOption,
                titleMargin = 0,
                axisTitleOptions = options.title,
                labelOptions = options.labels,
                labelOffset = 0, // reset
                axisOffset = chart.axisOffset,
                clipOffset = chart.clipOffset,
                directionFactor = [-1, 1, 1, -1][side],
                n,
                i,
                autoStaggerLines = 1,
                maxStaggerLines = pick(labelOptions.maxStaggerLines, 5),
                sortedPositions,
                lastRight,
                overlap,
                pos,
                bBox,
                x,
                w,
                lineNo,
                lineHeightCorrection = side === 2 ? renderer.fontMetrics(labelOptions.style.fontSize).b : 0;

        // For reuse in Axis.render
        axis.hasData = hasData = (axis.hasVisibleSeries || (defined(axis.min) && defined(axis.max) && !!tickPositions));
        axis.showAxis = showAxis = hasData || pick(options.showEmpty, true);

        // Set/reset staggerLines
        axis.staggerLines = axis.horiz && labelOptions.staggerLines;

        // Create the axisGroup and gridGroup elements on first iteration
        if (!axis.axisGroup) {
                axis.gridGroup = renderer.g('grid')
                        .attr({ zIndex: options.gridZIndex || 1 })
                        .add();
                axis.axisGroup = renderer.g('axis')
                        .attr({ zIndex: options.zIndex || 2 })
                        .add();
                axis.labelGroup = renderer.g('axis-labels')
                        .attr({ zIndex: labelOptions.zIndex || 7 })
                        .addClass(PREFIX + axis.coll.toLowerCase() + '-labels')
                        .add();
        }

        if (hasData || axis.isLinked) {

                // Set the explicit or automatic label alignment
                axis.labelAlign = pick(labelOptions.align || axis.autoLabelAlign(labelOptions.rotation));

                // Generate ticks
                each(tickPositions, function (pos) {
                        if (!ticks[pos]) {
                                ticks[pos] = new Tick(axis, pos);
                        } else {
                                ticks[pos].addLabel(); // update labels depending on tick interval
                        }
                });

                // Handle automatic stagger lines
                if (axis.horiz && !axis.staggerLines && maxStaggerLines && !labelOptions.rotation) {
                        sortedPositions = axis.reversed ? [].concat(tickPositions).reverse() : tickPositions;
                        while (autoStaggerLines < maxStaggerLines) {
                                lastRight = [];
                                overlap = false;

                                for (i = 0; i < sortedPositions.length; i++) {
                                        pos = sortedPositions[i];
                                        bBox = ticks[pos].label && ticks[pos].label.getBBox();
                                        w = bBox ? bBox.width : 0;
                                        lineNo = i % autoStaggerLines;

                                        if (w) {
                                                x = axis.translate(pos); // don't handle log
                                                if (lastRight[lineNo] !== UNDEFINED && x < lastRight[lineNo]) {
                                                        overlap = true;
                                                }
                                                lastRight[lineNo] = x + w;
                                        }
                                }
                                if (overlap) {
                                        autoStaggerLines++;
                                } else {
                                        break;
                                }
                        }

                        if (autoStaggerLines > 1) {
                                axis.staggerLines = autoStaggerLines;
                        }
                }

                each(tickPositions, function (pos) {
                        // left side must be align: right and right side must have align: left for labels
                        if (side === 0 || side === 2 || { 1: 'left', 3: 'right' }[side] === axis.labelAlign) {

                                // get the highest offset
                                labelOffset = mathMax(
                                        ticks[pos].getLabelSize(),
                                        labelOffset
                                );
                        }

                });
                if (axis.staggerLines) {
                        labelOffset *= axis.staggerLines;
                        axis.labelOffset = labelOffset;
                }

        } else { // doesn't have data
                for (n in ticks) {
                        ticks[n].destroy();
                        delete ticks[n];
                }
        }

        if (axisTitleOptions && axisTitleOptions.text && axisTitleOptions.enabled !== false) {
                if (!axis.axisTitle) {
                        axis.axisTitle = renderer.text(
                                axisTitleOptions.text,
                                0,
                                0,
                                axisTitleOptions.useHTML
                        )
                        .attr({
                                zIndex: 7,
                                rotation: axisTitleOptions.rotation || 0,
                                align:
                                        axisTitleOptions.textAlign ||
                                        { low: 'left', middle: 'center', high: 'right' }[axisTitleOptions.align]
                        })
                        .addClass(PREFIX + this.coll.toLowerCase() + '-title')
                        .css(axisTitleOptions.style)
                        .add(axis.axisGroup);
                        axis.axisTitle.isNew = true;
                }

                if (showAxis) {
                        titleOffset = axis.axisTitle.getBBox()[horiz ? 'height' : 'width'];
                        titleMargin = pick(axisTitleOptions.margin, horiz ? 5 : 10);
                        titleOffsetOption = axisTitleOptions.offset;
                }

                // hide or show the title depending on whether showEmpty is set
                axis.axisTitle[showAxis ? 'show' : 'hide']();
        }

        // handle automatic or user set offset
        axis.offset = directionFactor * pick(options.offset, axisOffset[side]);

        axis.axisTitleMargin =
                pick(titleOffsetOption,
                        labelOffset + titleMargin +
                        (labelOffset && (directionFactor * options.labels[horiz ? 'y' : 'x'] - lineHeightCorrection))
                );

        axisOffset[side] = mathMax(
                axisOffset[side],
                axis.axisTitleMargin + titleOffset + directionFactor * axis.offset
        );
        clipOffset[invertedSide] = mathMax(clipOffset[invertedSide], mathFloor(options.lineWidth / 2) * 2);
},

/**
 * Get the path for the axis line
 */
getLinePath: function (lineWidth) {
        var chart = this.chart,
                opposite = this.opposite,
                offset = this.offset,
                horiz = this.horiz,
                lineLeft = this.left + (opposite ? this.width : 0) + offset,
                lineTop = chart.chartHeight - this.bottom - (opposite ? this.height : 0) + offset;

        if (opposite) {
                lineWidth *= -1; // crispify the other way - #1480, #1687
        }

        return chart.renderer.crispLine([
                        M,
                        horiz ?
                                this.left :
                                lineLeft,
                        horiz ?
                                lineTop :
                                this.top,
                        L,
                        horiz ?
                                chart.chartWidth - this.right :
                                lineLeft,
                        horiz ?
                                lineTop :
                                chart.chartHeight - this.bottom
                ], lineWidth);
},

/**
 * Position the title
 */
getTitlePosition: function () {
        // compute anchor points for each of the title align options
        var horiz = this.horiz,
                axisLeft = this.left,
                axisTop = this.top,
                axisLength = this.len,
                axisTitleOptions = this.options.title,
                margin = horiz ? axisLeft : axisTop,
                opposite = this.opposite,
                offset = this.offset,
                fontSize = pInt(axisTitleOptions.style.fontSize || 12),

                // the position in the length direction of the axis
                alongAxis = {
                        low: margin + (horiz ? 0 : axisLength),
                        middle: margin + axisLength / 2,
                        high: margin + (horiz ? axisLength : 0)
                }[axisTitleOptions.align],

                // the position in the perpendicular direction of the axis
                offAxis = (horiz ? axisTop + this.height : axisLeft) +
                        (horiz ? 1 : -1) * // horizontal axis reverses the margin
                        (opposite ? -1 : 1) * // so does opposite axes
                        this.axisTitleMargin +
                        (this.side === 2 ? fontSize : 0);

        return {
                x: horiz ?
                        alongAxis :
                        offAxis + (opposite ? this.width : 0) + offset +
                                (axisTitleOptions.x || 0), // x
                y: horiz ?
                        offAxis - (opposite ? this.height : 0) + offset :
                        alongAxis + (axisTitleOptions.y || 0) // y
        };
},

/**
 * Render the axis
 */
render: function () {
        var axis = this,
                horiz = axis.horiz,
                reversed = axis.reversed,
                chart = axis.chart,
                renderer = chart.renderer,
                options = axis.options,
                isLog = axis.isLog,
                isLinked = axis.isLinked,
                tickPositions = axis.tickPositions,
                sortedPositions,
                axisTitle = axis.axisTitle,                     
                ticks = axis.ticks,
                minorTicks = axis.minorTicks,
                alternateBands = axis.alternateBands,
                stackLabelOptions = options.stackLabels,
                alternateGridColor = options.alternateGridColor,
                tickmarkOffset = axis.tickmarkOffset,
                lineWidth = options.lineWidth,
                linePath,
                hasRendered = chart.hasRendered,
                slideInTicks = hasRendered && defined(axis.oldMin) && !isNaN(axis.oldMin),
                hasData = axis.hasData,
                showAxis = axis.showAxis,
                from,
                overflow = options.labels.overflow,
                justifyLabels = axis.justifyLabels = horiz && overflow !== false,
                to;

        // Reset
        axis.labelEdge.length = 0;
        axis.justifyToPlot = overflow === 'justify';

        // Mark all elements inActive before we go over and mark the active ones
        each([ticks, minorTicks, alternateBands], function (coll) {
                var pos;
                for (pos in coll) {
                        coll[pos].isActive = false;
                }
        });

        // If the series has data draw the ticks. Else only the line and title
        if (hasData || isLinked) {

                // minor ticks
                if (axis.minorTickInterval && !axis.categories) {
                        each(axis.getMinorTickPositions(), function (pos) {
                                if (!minorTicks[pos]) {
                                        minorTicks[pos] = new Tick(axis, pos, 'minor');
                                }

                                // render new ticks in old position
                                if (slideInTicks && minorTicks[pos].isNew) {
                                        minorTicks[pos].render(null, true);
                                }

                                minorTicks[pos].render(null, false, 1);
                        });
                }

                // Major ticks. Pull out the first item and render it last so that
                // we can get the position of the neighbour label. #808.
                if (tickPositions.length) { // #1300
                        sortedPositions = tickPositions.slice();
                        if ((horiz && reversed) || (!horiz && !reversed)) {
                                sortedPositions.reverse();
                        }
                        if (justifyLabels) {
                                sortedPositions = sortedPositions.slice(1).concat([sortedPositions[0]]);
                        }
                        each(sortedPositions, function (pos, i) {

                                // Reorganize the indices
                                if (justifyLabels) {
                                        i = (i === sortedPositions.length - 1) ? 0 : i + 1;
                                }

                                // linked axes need an extra check to find out if
                                if (!isLinked || (pos >= axis.min && pos <= axis.max)) {

                                        if (!ticks[pos]) {
                                                ticks[pos] = new Tick(axis, pos);
                                        }

                                        // render new ticks in old position
                                        if (slideInTicks && ticks[pos].isNew) {
                                                ticks[pos].render(i, true, 0.1);
                                        }

                                        ticks[pos].render(i, false, 1);
                                }

                        });
                        // In a categorized axis, the tick marks are displayed between labels. So
                        // we need to add a tick mark and grid line at the left edge of the X axis.
                        if (tickmarkOffset && axis.min === 0) {
                                if (!ticks[-1]) {
                                        ticks[-1] = new Tick(axis, -1, null, true);
                                }
                                ticks[-1].render(-1);
                        }

                }

                // alternate grid color
                if (alternateGridColor) {
                        each(tickPositions, function (pos, i) {
                                if (i % 2 === 0 && pos < axis.max) {
                                        if (!alternateBands[pos]) {
                                                alternateBands[pos] = new Highcharts.PlotLineOrBand(axis);
                                        }
                                        from = pos + tickmarkOffset; // #949
                                        to = tickPositions[i + 1] !== UNDEFINED ? tickPositions[i + 1] + tickmarkOffset : axis.max;
                                        alternateBands[pos].options = {
                                                from: isLog ? lin2log(from) : from,
                                                to: isLog ? lin2log(to) : to,
                                                color: alternateGridColor
                                        };
                                        alternateBands[pos].render();
                                        alternateBands[pos].isActive = true;
                                }
                        });
                }

                // custom plot lines and bands
                if (!axis._addedPlotLB) { // only first time
                        each((options.plotLines || []).concat(options.plotBands || []), function (plotLineOptions) {
                                axis.addPlotBandOrLine(plotLineOptions);
                        });
                        axis._addedPlotLB = true;
                }

        } // end if hasData

        // Remove inactive ticks
        each([ticks, minorTicks, alternateBands], function (coll) {
                var pos,
                        i,
                        forDestruction = [],
                        delay = globalAnimation ? globalAnimation.duration || 500 : 0,
                        destroyInactiveItems = function () {
                                i = forDestruction.length;
                                while (i--) {
                                        // When resizing rapidly, the same items may be destroyed in different timeouts,
                                        // or the may be reactivated
                                        if (coll[forDestruction[i]] && !coll[forDestruction[i]].isActive) {
                                                coll[forDestruction[i]].destroy();
                                                delete coll[forDestruction[i]];
                                        }
                                }

                        };

                for (pos in coll) {

                        if (!coll[pos].isActive) {
                                // Render to zero opacity
                                coll[pos].render(pos, false, 0);
                                coll[pos].isActive = false;
                                forDestruction.push(pos);
                        }
                }

                // When the objects are finished fading out, destroy them
                if (coll === alternateBands || !chart.hasRendered || !delay) {
                        destroyInactiveItems();
                } else if (delay) {
                        setTimeout(destroyInactiveItems, delay);
                }
        });

        // Static items. As the axis group is cleared on subsequent calls
        // to render, these items are added outside the group.
        // axis line
        if (lineWidth) {
                linePath = axis.getLinePath(lineWidth);
                if (!axis.axisLine) {
                        axis.axisLine = renderer.path(linePath)
                                .attr({
                                        stroke: options.lineColor,
                                        'stroke-width': lineWidth,
                                        zIndex: 7
                                })
                                .add(axis.axisGroup);
                } else {
                        axis.axisLine.animate({ d: linePath });
                }

                // show or hide the line depending on options.showEmpty
                axis.axisLine[showAxis ? 'show' : 'hide']();
        }

        if (axisTitle && showAxis) {

                axisTitle[axisTitle.isNew ? 'attr' : 'animate'](
                        axis.getTitlePosition()
                );
                axisTitle.isNew = false;
        }

        // Stacked totals:
        if (stackLabelOptions && stackLabelOptions.enabled) {
                axis.renderStackTotals();
        }
        // End stacked totals

        axis.isDirty = false;
},

/**
 * Redraw the axis to reflect changes in the data or axis extremes
 */
redraw: function () {
        var axis = this,
                chart = axis.chart,
                pointer = chart.pointer;

        // hide tooltip and hover states
        if (pointer) {
                pointer.reset(true);
        }

        // render the axis
        axis.render();

        // move plot lines and bands
        each(axis.plotLinesAndBands, function (plotLine) {
                plotLine.render();
        });

        // mark associated series as dirty and ready for redraw
        each(axis.series, function (series) {
                series.isDirty = true;
        });

},

/**
 * Destroys an Axis instance.
 */
destroy: function (keepEvents) {
        var axis = this,
                stacks = axis.stacks,
                stackKey,
                plotLinesAndBands = axis.plotLinesAndBands,
                i;

        // Remove the events
        if (!keepEvents) {
                removeEvent(axis);
        }

        // Destroy each stack total
        for (stackKey in stacks) {
                destroyObjectProperties(stacks[stackKey]);

                stacks[stackKey] = null;
        }

        // Destroy collections
        each([axis.ticks, axis.minorTicks, axis.alternateBands], function (coll) {
                destroyObjectProperties(coll);
        });
        i = plotLinesAndBands.length;
        while (i--) { // #1975
                plotLinesAndBands[i].destroy();
        }

        // Destroy local variables
        each(['stackTotalGroup', 'axisLine', 'axisTitle', 'axisGroup', 'cross', 'gridGroup', 'labelGroup'], function (prop) {
                if (axis[prop]) {
                        axis[prop] = axis[prop].destroy();
                }
        });

        // Destroy crosshair
        if (this.cross) {
                this.cross.destroy();
        }
},

/**
 * Draw the crosshair
 */
drawCrosshair: function (e, point) {
        if (!this.crosshair) { return; }// Do not draw crosshairs if you don't have too.

        if ((defined(point) || !pick(this.crosshair.snap, true)) === false) {
                this.hideCrosshair();
                return;
        }

        var path,
                options = this.crosshair,
                animation = options.animation,
                pos;

        // Get the path
        if (!pick(options.snap, true)) {
                pos = (this.horiz ? e.chartX - this.pos : this.len - e.chartY + this.pos);
        } else if (defined(point)) {
                /*jslint eqeq: true*/
                pos = (this.chart.inverted != this.horiz) ? point.plotX : this.len - point.plotY;
                /*jslint eqeq: false*/
        }

        if (this.isRadial) {
                path = this.getPlotLinePath(this.isXAxis ? point.x : pick(point.stackY, point.y));
        } else {
                path = this.getPlotLinePath(null, null, null, null, pos);
        }

        if (path === null) {
                this.hideCrosshair();
                return;
        }

        // Draw the cross
        if (this.cross) {
                this.cross
                        .attr({ visibility: VISIBLE })[animation ? 'animate' : 'attr']({ d: path }, animation);
        } else {
                var attribs = {
                        'stroke-width': options.width || 1,
                        stroke: options.color || '#C0C0C0',
                        zIndex: options.zIndex || 2
                };
                if (options.dashStyle) {
                        attribs.dashstyle = options.dashStyle;
                }
                this.cross = this.chart.renderer.path(path).attr(attribs).add();
        }
},

/**
 *      Hide the crosshair.
 */
hideCrosshair: function () {
        if (this.cross) {
                this.cross.hide();
        }
}

}; // end Axis

extend(Axis.prototype, AxisPlotLineOrBandExtension);

/**

* Set the tick positions to a time unit that makes sense, for example
* on the first of each month or on every Monday. Return an array
* with the time positions. Used in datetime axes as well as for grouping
* data on a datetime axis.
*
* @param {Object} normalizedInterval The interval in axis values (ms) and the count
* @param {Number} min The minimum in axis values
* @param {Number} max The maximum in axis values
* @param {Number} startOfWeek
*/

Axis.prototype.getTimeTicks = function (normalizedInterval, min, max, startOfWeek) {

var tickPositions = [],
        i,
        higherRanks = {},
        useUTC = defaultOptions.global.useUTC,
        minYear, // used in months and years as a basis for Date.UTC()
        minDate = new Date(min - timezoneOffset),
        interval = normalizedInterval.unitRange,
        count = normalizedInterval.count;

if (defined(min)) { // #1300
        if (interval >= timeUnits[SECOND]) { // second
                minDate.setMilliseconds(0);
                minDate.setSeconds(interval >= timeUnits[MINUTE] ? 0 :
                        count * mathFloor(minDate.getSeconds() / count));
        }

        if (interval >= timeUnits[MINUTE]) { // minute
                minDate[setMinutes](interval >= timeUnits[HOUR] ? 0 :
                        count * mathFloor(minDate[getMinutes]() / count));
        }

        if (interval >= timeUnits[HOUR]) { // hour
                minDate[setHours](interval >= timeUnits[DAY] ? 0 :
                        count * mathFloor(minDate[getHours]() / count));
        }

        if (interval >= timeUnits[DAY]) { // day
                minDate[setDate](interval >= timeUnits[MONTH] ? 1 :
                        count * mathFloor(minDate[getDate]() / count));
        }

        if (interval >= timeUnits[MONTH]) { // month
                minDate[setMonth](interval >= timeUnits[YEAR] ? 0 :
                        count * mathFloor(minDate[getMonth]() / count));
                minYear = minDate[getFullYear]();
        }

        if (interval >= timeUnits[YEAR]) { // year
                minYear -= minYear % count;
                minDate[setFullYear](minYear);
        }

        // week is a special case that runs outside the hierarchy
        if (interval === timeUnits[WEEK]) {
                // get start of current week, independent of count
                minDate[setDate](minDate[getDate]() - minDate[getDay]() +
                        pick(startOfWeek, 1));
        }

        // get tick positions
        i = 1;
        if (timezoneOffset) {
                minDate = new Date(minDate.getTime() + timezoneOffset);
        }
        minYear = minDate[getFullYear]();
        var time = minDate.getTime(),
                minMonth = minDate[getMonth](),
                minDateDate = minDate[getDate](),
                localTimezoneOffset = useUTC ? 
                        timezoneOffset : 
                        (24 * 3600 * 1000 + minDate.getTimezoneOffset() * 60 * 1000) % (24 * 3600 * 1000); // #950

        // iterate and add tick positions at appropriate values
        while (time < max) {
                tickPositions.push(time);

                // if the interval is years, use Date.UTC to increase years
                if (interval === timeUnits[YEAR]) {
                        time = makeTime(minYear + i * count, 0);

                // if the interval is months, use Date.UTC to increase months
                } else if (interval === timeUnits[MONTH]) {
                        time = makeTime(minYear, minMonth + i * count);

                // if we're using global time, the interval is not fixed as it jumps
                // one hour at the DST crossover
                } else if (!useUTC && (interval === timeUnits[DAY] || interval === timeUnits[WEEK])) {
                        time = makeTime(minYear, minMonth, minDateDate +
                                i * count * (interval === timeUnits[DAY] ? 1 : 7));

                // else, the interval is fixed and we use simple addition
                } else {
                        time += interval * count;
                }

                i++;
        }

        // push the last time
        tickPositions.push(time);

        // mark new days if the time is dividible by day (#1649, #1760)
        each(grep(tickPositions, function (time) {
                return interval <= timeUnits[HOUR] && time % timeUnits[DAY] === localTimezoneOffset;
        }), function (time) {
                higherRanks[time] = DAY;
        });
}

// record information on the chosen unit - for dynamic label formatter
tickPositions.info = extend(normalizedInterval, {
        higherRanks: higherRanks,
        totalRange: interval * count
});

return tickPositions;

};

/**

* Get a normalized tick interval for dates. Returns a configuration object with
* unit range (interval), count and name. Used to prepare data for getTimeTicks. 
* Previously this logic was part of getTimeTicks, but as getTimeTicks now runs
* of segments in stock charts, the normalizing logic was extracted in order to 
* prevent it for running over again for each segment having the same interval. 
* #662, #697.
*/

Axis.prototype.normalizeTimeTickInterval = function (tickInterval, unitsOption) {

var units = unitsOption || [[
                        MILLISECOND, // unit name
                        [1, 2, 5, 10, 20, 25, 50, 100, 200, 500] // allowed multiples
                ], [
                        SECOND,
                        [1, 2, 5, 10, 15, 30]
                ], [
                        MINUTE,
                        [1, 2, 5, 10, 15, 30]
                ], [
                        HOUR,
                        [1, 2, 3, 4, 6, 8, 12]
                ], [
                        DAY,
                        [1, 2]
                ], [
                        WEEK,
                        [1, 2]
                ], [
                        MONTH,
                        [1, 2, 3, 4, 6]
                ], [
                        YEAR,
                        null
                ]],
        unit = units[units.length - 1], // default unit is years
        interval = timeUnits[unit[0]],
        multiples = unit[1],
        count,
        i;

// loop through the units to find the one that best fits the tickInterval
for (i = 0; i < units.length; i++) {
        unit = units[i];
        interval = timeUnits[unit[0]];
        multiples = unit[1];

        if (units[i + 1]) {
                // lessThan is in the middle between the highest multiple and the next unit.
                var lessThan = (interval * multiples[multiples.length - 1] +
                                        timeUnits[units[i + 1][0]]) / 2;

                // break and keep the current unit
                if (tickInterval <= lessThan) {
                        break;
                }
        }
}

// prevent 2.5 years intervals, though 25, 250 etc. are allowed
if (interval === timeUnits[YEAR] && tickInterval < 5 * interval) {
        multiples = [1, 2, 5];
}

// get the count
count = normalizeTickInterval(
        tickInterval / interval, 
        multiples,
        unit[0] === YEAR ? mathMax(getMagnitude(tickInterval / interval), 1) : 1 // #1913, #2360
);

return {
        unitRange: interval,
        count: count,
        unitName: unit[0]
};

};/**

* Methods defined on the Axis prototype
*/

/**

* Set the tick positions of a logarithmic axis
*/

Axis.prototype.getLogTickPositions = function (interval, min, max, minor) {

var axis = this,
        options = axis.options,
        axisLength = axis.len,
        // Since we use this method for both major and minor ticks,
        // use a local variable and return the result
        positions = []; 

// Reset
if (!minor) {
        axis._minorAutoInterval = null;
}

// First case: All ticks fall on whole logarithms: 1, 10, 100 etc.
if (interval >= 0.5) {
        interval = mathRound(interval);
        positions = axis.getLinearTickPositions(interval, min, max);

// Second case: We need intermediary ticks. For example 
// 1, 2, 4, 6, 8, 10, 20, 40 etc. 
} else if (interval >= 0.08) {
        var roundedMin = mathFloor(min),
                intermediate,
                i,
                j,
                len,
                pos,
                lastPos,
                break2;

        if (interval > 0.3) {
                intermediate = [1, 2, 4];
        } else if (interval > 0.15) { // 0.2 equals five minor ticks per 1, 10, 100 etc
                intermediate = [1, 2, 4, 6, 8];
        } else { // 0.1 equals ten minor ticks per 1, 10, 100 etc
                intermediate = [1, 2, 3, 4, 5, 6, 7, 8, 9];
        }

        for (i = roundedMin; i < max + 1 && !break2; i++) {
                len = intermediate.length;
                for (j = 0; j < len && !break2; j++) {
                        pos = log2lin(lin2log(i) * intermediate[j]);

                        if (pos > min && (!minor || lastPos <= max)) { // #1670
                                positions.push(lastPos);
                        }

                        if (lastPos > max) {
                                break2 = true;
                        }
                        lastPos = pos;
                }
        }

// Third case: We are so deep in between whole logarithmic values that
// we might as well handle the tick positions like a linear axis. For
// example 1.01, 1.02, 1.03, 1.04.
} else {
        var realMin = lin2log(min),
                realMax = lin2log(max),
                tickIntervalOption = options[minor ? 'minorTickInterval' : 'tickInterval'],
                filteredTickIntervalOption = tickIntervalOption === 'auto' ? null : tickIntervalOption,
                tickPixelIntervalOption = options.tickPixelInterval / (minor ? 5 : 1),
                totalPixelLength = minor ? axisLength / axis.tickPositions.length : axisLength;

        interval = pick(
                filteredTickIntervalOption,
                axis._minorAutoInterval,
                (realMax - realMin) * tickPixelIntervalOption / (totalPixelLength || 1)
        );

        interval = normalizeTickInterval(
                interval, 
                null, 
                getMagnitude(interval)
        );

        positions = map(axis.getLinearTickPositions(
                interval, 
                realMin,
                realMax 
        ), log2lin);

        if (!minor) {
                axis._minorAutoInterval = interval / 5;
        }
}

// Set the axis-level tickInterval variable 
if (!minor) {
        axis.tickInterval = interval;
}
return positions;

};/**

* The tooltip object
* @param {Object} chart The chart instance
* @param {Object} options Tooltip options
*/

var Tooltip = Highcharts.Tooltip = function () {

this.init.apply(this, arguments);

};

Tooltip.prototype = {

init: function (chart, options) {

        var borderWidth = options.borderWidth,
                style = options.style,
                padding = pInt(style.padding);

        // Save the chart and options
        this.chart = chart;
        this.options = options;

        // Keep track of the current series
        //this.currentSeries = UNDEFINED;

        // List of crosshairs
        this.crosshairs = [];

        // Current values of x and y when animating
        this.now = { x: 0, y: 0 };

        // The tooltip is initially hidden
        this.isHidden = true;

        // create the label
        this.label = chart.renderer.label('', 0, 0, options.shape || 'callout', null, null, options.useHTML, null, 'tooltip')
                .attr({
                        padding: padding,
                        fill: options.backgroundColor,
                        'stroke-width': borderWidth,
                        r: options.borderRadius,
                        zIndex: 8
                })
                .css(style)
                .css({ padding: 0 }) // Remove it from VML, the padding is applied as an attribute instead (#1117)
                .add()
                .attr({ y: -9999 }); // #2301, #2657

        // When using canVG the shadow shows up as a gray circle
        // even if the tooltip is hidden.
        if (!useCanVG) {
                this.label.shadow(options.shadow);
        }

        // Public property for getting the shared state.
        this.shared = options.shared;
},

/**
 * Destroy the tooltip and its elements.
 */
destroy: function () {
        // Destroy and clear local variables
        if (this.label) {
                this.label = this.label.destroy();
        }
        clearTimeout(this.hideTimer);
        clearTimeout(this.tooltipTimeout);
},

/**
 * Provide a soft movement for the tooltip
 *
 * @param {Number} x
 * @param {Number} y
 * @private
 */
move: function (x, y, anchorX, anchorY) {
        var tooltip = this,
                now = tooltip.now,
                animate = tooltip.options.animation !== false && !tooltip.isHidden,
                skipAnchor = tooltip.followPointer || tooltip.len > 1;

        // get intermediate values for animation
        extend(now, {
                x: animate ? (2 * now.x + x) / 3 : x,
                y: animate ? (now.y + y) / 2 : y,
                anchorX: skipAnchor ? UNDEFINED : animate ? (2 * now.anchorX + anchorX) / 3 : anchorX,
                anchorY: skipAnchor ? UNDEFINED : animate ? (now.anchorY + anchorY) / 2 : anchorY
        });

        // move to the intermediate value
        tooltip.label.attr(now);

        // run on next tick of the mouse tracker
        if (animate && (mathAbs(x - now.x) > 1 || mathAbs(y - now.y) > 1)) {

                // never allow two timeouts
                clearTimeout(this.tooltipTimeout);

                // set the fixed interval ticking for the smooth tooltip
                this.tooltipTimeout = setTimeout(function () {
                        // The interval function may still be running during destroy, so check that the chart is really there before calling.
                        if (tooltip) {
                                tooltip.move(x, y, anchorX, anchorY);
                        }
                }, 32);

        }
},

/**
 * Hide the tooltip
 */
hide: function () {
        var tooltip = this,
                hoverPoints;

        clearTimeout(this.hideTimer); // disallow duplicate timers (#1728, #1766)
        if (!this.isHidden) {
                hoverPoints = this.chart.hoverPoints;

                this.hideTimer = setTimeout(function () {
                        tooltip.label.fadeOut();
                        tooltip.isHidden = true;
                }, pick(this.options.hideDelay, 500));

                // hide previous hoverPoints and set new
                if (hoverPoints) {
                        each(hoverPoints, function (point) {
                                point.setState();
                        });
                }

                this.chart.hoverPoints = null;
        }
},

/** 
 * Extendable method to get the anchor position of the tooltip
 * from a point or set of points
 */
getAnchor: function (points, mouseEvent) {
        var ret,
                chart = this.chart,
                inverted = chart.inverted,
                plotTop = chart.plotTop,
                plotX = 0,
                plotY = 0,
                yAxis;

        points = splat(points);

        // Pie uses a special tooltipPos
        ret = points[0].tooltipPos;

        // When tooltip follows mouse, relate the position to the mouse
        if (this.followPointer && mouseEvent) {
                if (mouseEvent.chartX === UNDEFINED) {
                        mouseEvent = chart.pointer.normalize(mouseEvent);
                }
                ret = [
                        mouseEvent.chartX - chart.plotLeft,
                        mouseEvent.chartY - plotTop
                ];
        }
        // When shared, use the average position
        if (!ret) {
                each(points, function (point) {
                        yAxis = point.series.yAxis;
                        plotX += point.plotX;
                        plotY += (point.plotLow ? (point.plotLow + point.plotHigh) / 2 : point.plotY) +
                                (!inverted && yAxis ? yAxis.top - plotTop : 0); // #1151
                });

                plotX /= points.length;
                plotY /= points.length;

                ret = [
                        inverted ? chart.plotWidth - plotY : plotX,
                        this.shared && !inverted && points.length > 1 && mouseEvent ? 
                                mouseEvent.chartY - plotTop : // place shared tooltip next to the mouse (#424)
                                inverted ? chart.plotHeight - plotX : plotY
                ];
        }

        return map(ret, mathRound);
},

/**
 * Place the tooltip in a chart without spilling over
 * and not covering the point it self.
 */
getPosition: function (boxWidth, boxHeight, point) {

        var chart = this.chart,
                distance = this.distance,
                ret = {},
                swapped,
                first = ['y', chart.chartHeight, boxHeight, point.plotY + chart.plotTop],
                second = ['x', chart.chartWidth, boxWidth, point.plotX + chart.plotLeft],
                // The far side is right or bottom
                preferFarSide = point.ttBelow || (chart.inverted && !point.negative) || (!chart.inverted && point.negative),
                /**
                 * Handle the preferred dimension. When the preferred dimension is tooltip
                 * on top or bottom of the point, it will look for space there.
                 */
                firstDimension = function (dim, outerSize, innerSize, point) {
                        var roomLeft = innerSize < point - distance,
                                roomRight = point + distance + innerSize < outerSize,
                                alignedLeft = point - distance - innerSize,
                                alignedRight = point + distance;

                        if (preferFarSide && roomRight) {
                                ret[dim] = alignedRight;
                        } else if (!preferFarSide && roomLeft) {
                                ret[dim] = alignedLeft;
                        } else if (roomLeft) {
                                ret[dim] = alignedLeft;
                        } else if (roomRight) {
                                ret[dim] = alignedRight;
                        } else {
                                return false;
                        }
                },
                /**
                 * Handle the secondary dimension. If the preferred dimension is tooltip
                 * on top or bottom of the point, the second dimension is to align the tooltip
                 * above the point, trying to align center but allowing left or right
                 * align within the chart box.
                 */
                secondDimension = function (dim, outerSize, innerSize, point) {
                        // Too close to the edge, return false and swap dimensions
                        if (point < distance || point > outerSize - distance) {
                                return false;

                        // Align left/top
                        } else if (point < innerSize / 2) {
                                ret[dim] = 1;
                        // Align right/bottom
                        } else if (point > outerSize - innerSize / 2) {
                                ret[dim] = outerSize - innerSize - 2;
                        // Align center
                        } else {
                                ret[dim] = point - innerSize / 2;
                        }
                },
                /**
                 * Swap the dimensions 
                 */
                swap = function (count) {
                        var temp = first;
                        first = second;
                        second = temp;
                        swapped = count;
                },
                run = function () {
                        if (firstDimension.apply(0, first) !== false) {
                                if (secondDimension.apply(0, second) === false && !swapped) {
                                        swap(true);
                                        run();
                                }
                        } else if (!swapped) {
                                swap(true);
                                run();
                        } else {
                                ret.x = ret.y = 0;
                        }
                };

        // Under these conditions, prefer the tooltip on the side of the point
        if (chart.inverted || this.len > 1) {
                swap();
        }
        run();

        return ret;

},

/**
 * In case no user defined formatter is given, this will be used. Note that the context
 * here is an object holding point, series, x, y etc.
 */
defaultFormatter: function (tooltip) {
        var items = this.points || splat(this),
                series = items[0].series,
                s;

        // build the header
        s = [tooltip.tooltipHeaderFormatter(items[0])];

        // build the values
        each(items, function (item) {
                series = item.series;
                s.push((series.tooltipFormatter && series.tooltipFormatter(item)) ||
                        item.point.tooltipFormatter(series.tooltipOptions.pointFormat));
        });

        // footer
        s.push(tooltip.options.footerFormat || '');

        return s.join('');
},

/**
 * Refresh the tooltip's text and position.
 * @param {Object} point
 */
refresh: function (point, mouseEvent) {
        var tooltip = this,
                chart = tooltip.chart,
                label = tooltip.label,
                options = tooltip.options,
                x,
                y,
                anchor,
                textConfig = {},
                text,
                pointConfig = [],
                formatter = options.formatter || tooltip.defaultFormatter,
                hoverPoints = chart.hoverPoints,
                borderColor,
                shared = tooltip.shared,
                currentSeries;

        clearTimeout(this.hideTimer);

        // get the reference point coordinates (pie charts use tooltipPos)
        tooltip.followPointer = splat(point)[0].series.tooltipOptions.followPointer;
        anchor = tooltip.getAnchor(point, mouseEvent);
        x = anchor[0];
        y = anchor[1];

        // shared tooltip, array is sent over
        if (shared && !(point.series && point.series.noSharedTooltip)) {

                // hide previous hoverPoints and set new

                chart.hoverPoints = point;
                if (hoverPoints) {
                        each(hoverPoints, function (point) {
                                point.setState();
                        });
                }

                each(point, function (item) {
                        item.setState(HOVER_STATE);

                        pointConfig.push(item.getLabelConfig());
                });

                textConfig = {
                        x: point[0].category,
                        y: point[0].y
                };
                textConfig.points = pointConfig;
                this.len = pointConfig.length;
                point = point[0];

        // single point tooltip
        } else {
                textConfig = point.getLabelConfig();
        }
        text = formatter.call(textConfig, tooltip);

        // register the current series
        currentSeries = point.series;
        this.distance = pick(currentSeries.tooltipOptions.distance, 16);

        // update the inner HTML
        if (text === false) {
                this.hide();
        } else {

                // show it
                if (tooltip.isHidden) {
                        stop(label);
                        label.attr('opacity', 1).show();
                }

                // update text
                label.attr({
                        text: text
                });

                // set the stroke color of the box
                borderColor = options.borderColor || point.color || currentSeries.color || '#606060';
                label.attr({
                        stroke: borderColor
                });

                tooltip.updatePosition({ plotX: x, plotY: y, negative: point.negative, ttBelow: point.ttBelow });

                this.isHidden = false;
        }
        fireEvent(chart, 'tooltipRefresh', {
                        text: text,
                        x: x + chart.plotLeft,
                        y: y + chart.plotTop,
                        borderColor: borderColor
                });
},

/**
 * Find the new position and perform the move
 */
updatePosition: function (point) {
        var chart = this.chart,
                label = this.label, 
                pos = (this.options.positioner || this.getPosition).call(
                        this,
                        label.width,
                        label.height,
                        point
                );

        // do the move
        this.move(
                mathRound(pos.x), 
                mathRound(pos.y), 
                point.plotX + chart.plotLeft, 
                point.plotY + chart.plotTop
        );
},

/**
 * Format the header of the tooltip
 */
tooltipHeaderFormatter: function (point) {
        var series = point.series,
                tooltipOptions = series.tooltipOptions,
                dateTimeLabelFormats = tooltipOptions.dateTimeLabelFormats,
                xDateFormat = tooltipOptions.xDateFormat,
                xAxis = series.xAxis,
                isDateTime = xAxis && xAxis.options.type === 'datetime' && isNumber(point.key),
                headerFormat = tooltipOptions.headerFormat,
                closestPointRange = xAxis && xAxis.closestPointRange,
                n;

        // Guess the best date format based on the closest point distance (#568)
        if (isDateTime && !xDateFormat) {
                if (closestPointRange) {
                        for (n in timeUnits) {
                                if (timeUnits[n] >= closestPointRange || 
                                                // If the point is placed every day at 23:59, we need to show
                                                // the minutes as well. This logic only works for time units less than 
                                                // a day, since all higher time units are dividable by those. #2637.
                                                (timeUnits[n] <= timeUnits[DAY] && point.key % timeUnits[n] > 0)) {
                                        xDateFormat = dateTimeLabelFormats[n];
                                        break;
                                }
                        }
                } else {
                        xDateFormat = dateTimeLabelFormats.day;
                }

                xDateFormat = xDateFormat || dateTimeLabelFormats.year; // #2546, 2581

        }

        // Insert the header date format if any
        if (isDateTime && xDateFormat) {
                headerFormat = headerFormat.replace('{point.key}', '{point.key:' + xDateFormat + '}');
        }

        return format(headerFormat, {
                point: point,
                series: series
        });
}

};

var hoverChartIndex;

// Global flag for touch support hasTouch = doc.documentElement.ontouchstart !== UNDEFINED;

/**

* The mouse tracker object. All methods starting with "on" are primary DOM event handlers. 
* Subsequent methods should be named differently from what they are doing.
* @param {Object} chart The Chart instance
* @param {Object} options The root options object
*/

var Pointer = Highcharts.Pointer = function (chart, options) {

this.init(chart, options);

};

Pointer.prototype = {

/**
 * Initialize Pointer
 */
init: function (chart, options) {

        var chartOptions = options.chart,
                chartEvents = chartOptions.events,
                zoomType = useCanVG ? '' : chartOptions.zoomType,
                inverted = chart.inverted,
                zoomX,
                zoomY;

        // Store references
        this.options = options;
        this.chart = chart;

        // Zoom status
        this.zoomX = zoomX = /x/.test(zoomType);
        this.zoomY = zoomY = /y/.test(zoomType);
        this.zoomHor = (zoomX && !inverted) || (zoomY && inverted);
        this.zoomVert = (zoomY && !inverted) || (zoomX && inverted);
        this.hasZoom = zoomX || zoomY;

        // Do we need to handle click on a touch device?
        this.runChartClick = chartEvents && !!chartEvents.click;

        this.pinchDown = [];
        this.lastValidTouch = {};

        if (Highcharts.Tooltip && options.tooltip.enabled) {
                chart.tooltip = new Tooltip(chart, options.tooltip);
                this.followTouchMove = options.tooltip.followTouchMove;
        }

        this.setDOMEvents();
}, 

/**
 * Add crossbrowser support for chartX and chartY
 * @param {Object} e The event object in standard browsers
 */
normalize: function (e, chartPosition) {
        var chartX,
                chartY,
                ePos;

        // common IE normalizing
        e = e || window.event;

        // Framework specific normalizing (#1165)
        e = washMouseEvent(e);

        // More IE normalizing, needs to go after washMouseEvent
        if (!e.target) {
                e.target = e.srcElement;
        }

        // iOS (#2757)
        ePos = e.touches ?  (e.touches.length ? e.touches.item(0) : e.changedTouches[0]) : e;

        // Get mouse position
        if (!chartPosition) {
                this.chartPosition = chartPosition = offset(this.chart.container);
        }

        // chartX and chartY
        if (ePos.pageX === UNDEFINED) { // IE < 9. #886.
                chartX = mathMax(e.x, e.clientX - chartPosition.left); // #2005, #2129: the second case is 
                        // for IE10 quirks mode within framesets
                chartY = e.y;
        } else {
                chartX = ePos.pageX - chartPosition.left;
                chartY = ePos.pageY - chartPosition.top;
        }

        return extend(e, {
                chartX: mathRound(chartX),
                chartY: mathRound(chartY)
        });
},

/**
 * Get the click position in terms of axis values.
 *
 * @param {Object} e A pointer event
 */
getCoordinates: function (e) {
        var coordinates = {
                        xAxis: [],
                        yAxis: []
                };

        each(this.chart.axes, function (axis) {
                coordinates[axis.isXAxis ? 'xAxis' : 'yAxis'].push({
                        axis: axis,
                        value: axis.toValue(e[axis.horiz ? 'chartX' : 'chartY'])
                });
        });
        return coordinates;
},

/**
 * Return the index in the tooltipPoints array, corresponding to pixel position in 
 * the plot area.
 */
getIndex: function (e) {
        var chart = this.chart;
        return chart.inverted ? 
                chart.plotHeight + chart.plotTop - e.chartY : 
                e.chartX - chart.plotLeft;
},

/**
 * With line type charts with a single tracker, get the point closest to the mouse.
 * Run Point.onMouseOver and display tooltip for the point or points.
 */
runPointActions: function (e) {
        var pointer = this,
                chart = pointer.chart,
                series = chart.series,
                tooltip = chart.tooltip,
                followPointer,
                point,
                points,
                hoverPoint = chart.hoverPoint,
                hoverSeries = chart.hoverSeries,
                i,
                j,
                distance = chart.chartWidth,
                index = pointer.getIndex(e),
                anchor;

        // shared tooltip
        if (tooltip && pointer.options.tooltip.shared && !(hoverSeries && hoverSeries.noSharedTooltip)) {
                points = [];

                // loop over all series and find the ones with points closest to the mouse
                i = series.length;
                for (j = 0; j < i; j++) {
                        if (series[j].visible &&
                                        series[j].options.enableMouseTracking !== false &&
                                        !series[j].noSharedTooltip && series[j].singularTooltips !== true && series[j].tooltipPoints.length) {
                                point = series[j].tooltipPoints[index];
                                if (point && point.series) { // not a dummy point, #1544
                                        point._dist = mathAbs(index - point.clientX);
                                        distance = mathMin(distance, point._dist);
                                        points.push(point);
                                }
                        }
                }
                // remove furthest points
                i = points.length;
                while (i--) {
                        if (points[i]._dist > distance) {
                                points.splice(i, 1);
                        }
                }
                // refresh the tooltip if necessary
                if (points.length && (points[0].clientX !== pointer.hoverX)) {
                        tooltip.refresh(points, e);
                        pointer.hoverX = points[0].clientX;
                }
        }

        // Separate tooltip and general mouse events
        followPointer = hoverSeries && hoverSeries.tooltipOptions.followPointer;
        if (hoverSeries && hoverSeries.tracker && !followPointer) { // #2584, #2830

                // get the point
                point = hoverSeries.tooltipPoints[index];

                // a new point is hovered, refresh the tooltip
                if (point && point !== hoverPoint) {

                        // trigger the events
                        point.onMouseOver(e);

                }

        } else if (tooltip && followPointer && !tooltip.isHidden) {
                anchor = tooltip.getAnchor([{}], e);
                tooltip.updatePosition({ plotX: anchor[0], plotY: anchor[1] });
        }

        // Start the event listener to pick up the tooltip 
        if (tooltip && !pointer._onDocumentMouseMove) {
                pointer._onDocumentMouseMove = function (e) {
                        if (charts[hoverChartIndex]) {
                                charts[hoverChartIndex].pointer.onDocumentMouseMove(e);
                        }
                };
                addEvent(doc, 'mousemove', pointer._onDocumentMouseMove);
        }

        // Draw independent crosshairs
        each(chart.axes, function (axis) {
                axis.drawCrosshair(e, pick(point, hoverPoint));
        });
},

/**
 * Reset the tracking by hiding the tooltip, the hover series state and the hover point
 * 
 * @param allowMove {Boolean} Instead of destroying the tooltip altogether, allow moving it if possible
 */
reset: function (allowMove) {
        var pointer = this,
                chart = pointer.chart,
                hoverSeries = chart.hoverSeries,
                hoverPoint = chart.hoverPoint,
                tooltip = chart.tooltip,
                tooltipPoints = tooltip && tooltip.shared ? chart.hoverPoints : hoverPoint;

        // Narrow in allowMove
        allowMove = allowMove && tooltip && tooltipPoints;

        // Check if the points have moved outside the plot area, #1003
        if (allowMove && splat(tooltipPoints)[0].plotX === UNDEFINED) {
                allowMove = false;
        }       

        // Just move the tooltip, #349
        if (allowMove) {
                tooltip.refresh(tooltipPoints);
                if (hoverPoint) { // #2500
                        hoverPoint.setState(hoverPoint.state, true);
                }

        // Full reset
        } else {

                if (hoverPoint) {
                        hoverPoint.onMouseOut();
                }

                if (hoverSeries) {
                        hoverSeries.onMouseOut();
                }

                if (tooltip) {
                        tooltip.hide();
                }

                if (pointer._onDocumentMouseMove) {
                        removeEvent(doc, 'mousemove', pointer._onDocumentMouseMove);
                        pointer._onDocumentMouseMove = null;
                }

                // Remove crosshairs
                each(chart.axes, function (axis) {
                        axis.hideCrosshair();
                });

                pointer.hoverX = null;

        }
},

/**
 * Scale series groups to a certain scale and translation
 */
scaleGroups: function (attribs, clip) {

        var chart = this.chart,
                seriesAttribs;

        // Scale each series
        each(chart.series, function (series) {
                seriesAttribs = attribs || series.getPlotBox(); // #1701
                if (series.xAxis && series.xAxis.zoomEnabled) {
                        series.group.attr(seriesAttribs);
                        if (series.markerGroup) {
                                series.markerGroup.attr(seriesAttribs);
                                series.markerGroup.clip(clip ? chart.clipRect : null);
                        }
                        if (series.dataLabelsGroup) {
                                series.dataLabelsGroup.attr(seriesAttribs);
                        }
                }
        });

        // Clip
        chart.clipRect.attr(clip || chart.clipBox);
},

/**
 * Start a drag operation
 */
dragStart: function (e) {
        var chart = this.chart;

        // Record the start position
        chart.mouseIsDown = e.type;
        chart.cancelClick = false;
        chart.mouseDownX = this.mouseDownX = e.chartX;
        chart.mouseDownY = this.mouseDownY = e.chartY;
},

/**
 * Perform a drag operation in response to a mousemove event while the mouse is down
 */
drag: function (e) {

        var chart = this.chart,
                chartOptions = chart.options.chart,
                chartX = e.chartX,
                chartY = e.chartY,
                zoomHor = this.zoomHor,
                zoomVert = this.zoomVert,
                plotLeft = chart.plotLeft,
                plotTop = chart.plotTop,
                plotWidth = chart.plotWidth,
                plotHeight = chart.plotHeight,
                clickedInside,
                size,
                mouseDownX = this.mouseDownX,
                mouseDownY = this.mouseDownY;

        // If the mouse is outside the plot area, adjust to cooordinates
        // inside to prevent the selection marker from going outside
        if (chartX < plotLeft) {
                chartX = plotLeft;
        } else if (chartX > plotLeft + plotWidth) {
                chartX = plotLeft + plotWidth;
        }

        if (chartY < plotTop) {
                chartY = plotTop;
        } else if (chartY > plotTop + plotHeight) {
                chartY = plotTop + plotHeight;
        }

        // determine if the mouse has moved more than 10px
        this.hasDragged = Math.sqrt(
                Math.pow(mouseDownX - chartX, 2) +
                Math.pow(mouseDownY - chartY, 2)
        );

        if (this.hasDragged > 10) {
                clickedInside = chart.isInsidePlot(mouseDownX - plotLeft, mouseDownY - plotTop);

                // make a selection
                if (chart.hasCartesianSeries && (this.zoomX || this.zoomY) && clickedInside) {
                        if (!this.selectionMarker) {
                                this.selectionMarker = chart.renderer.rect(
                                        plotLeft,
                                        plotTop,
                                        zoomHor ? 1 : plotWidth,
                                        zoomVert ? 1 : plotHeight,
                                        0
                                )
                                .attr({
                                        fill: chartOptions.selectionMarkerFill || 'rgba(69,114,167,0.25)',
                                        zIndex: 7
                                })
                                .add();
                        }
                }

                // adjust the width of the selection marker
                if (this.selectionMarker && zoomHor) {
                        size = chartX - mouseDownX;
                        this.selectionMarker.attr({
                                width: mathAbs(size),
                                x: (size > 0 ? 0 : size) + mouseDownX
                        });
                }
                // adjust the height of the selection marker
                if (this.selectionMarker && zoomVert) {
                        size = chartY - mouseDownY;
                        this.selectionMarker.attr({
                                height: mathAbs(size),
                                y: (size > 0 ? 0 : size) + mouseDownY
                        });
                }

                // panning
                if (clickedInside && !this.selectionMarker && chartOptions.panning) {
                        chart.pan(e, chartOptions.panning);
                }
        }
},

/**
 * On mouse up or touch end across the entire document, drop the selection.
 */
drop: function (e) {
        var chart = this.chart,
                hasPinched = this.hasPinched;

        if (this.selectionMarker) {
                var selectionData = {
                                xAxis: [],
                                yAxis: [],
                                originalEvent: e.originalEvent || e
                        },
                        selectionBox = this.selectionMarker,
                        selectionLeft = selectionBox.attr ? selectionBox.attr('x') : selectionBox.x,
                        selectionTop = selectionBox.attr ? selectionBox.attr('y') : selectionBox.y,
                        selectionWidth = selectionBox.attr ? selectionBox.attr('width') : selectionBox.width,
                        selectionHeight = selectionBox.attr ? selectionBox.attr('height') : selectionBox.height,
                        runZoom;

                // a selection has been made
                if (this.hasDragged || hasPinched) {

                        // record each axis' min and max
                        each(chart.axes, function (axis) {
                                if (axis.zoomEnabled) {
                                        var horiz = axis.horiz,
                                                selectionMin = axis.toValue((horiz ? selectionLeft : selectionTop)),
                                                selectionMax = axis.toValue((horiz ? selectionLeft + selectionWidth : selectionTop + selectionHeight));

                                        if (!isNaN(selectionMin) && !isNaN(selectionMax)) { // #859
                                                selectionData[axis.coll].push({
                                                        axis: axis,
                                                        min: mathMin(selectionMin, selectionMax), // for reversed axes,
                                                        max: mathMax(selectionMin, selectionMax)
                                                });
                                                runZoom = true;
                                        }
                                }
                        });
                        if (runZoom) {
                                fireEvent(chart, 'selection', selectionData, function (args) { 
                                        chart.zoom(extend(args, hasPinched ? { animation: false } : null)); 
                                });
                        }

                }
                this.selectionMarker = this.selectionMarker.destroy();

                // Reset scaling preview
                if (hasPinched) {
                        this.scaleGroups();
                }
        }

        // Reset all
        if (chart) { // it may be destroyed on mouse up - #877
                css(chart.container, { cursor: chart._cursor });
                chart.cancelClick = this.hasDragged > 10; // #370
                chart.mouseIsDown = this.hasDragged = this.hasPinched = false;
                this.pinchDown = [];
        }
},

onContainerMouseDown: function (e) {

        e = this.normalize(e);

        // issue #295, dragging not always working in Firefox
        if (e.preventDefault) {
                e.preventDefault();
        }

        this.dragStart(e);
},

onDocumentMouseUp: function (e) {
        if (charts[hoverChartIndex]) {
                charts[hoverChartIndex].pointer.drop(e);
        }
},

/**
 * Special handler for mouse move that will hide the tooltip when the mouse leaves the plotarea.
 * Issue #149 workaround. The mouseleave event does not always fire. 
 */
onDocumentMouseMove: function (e) {
        var chart = this.chart,
                chartPosition = this.chartPosition,
                hoverSeries = chart.hoverSeries;

        e = this.normalize(e, chartPosition);

        // If we're outside, hide the tooltip
        if (chartPosition && hoverSeries && !this.inClass(e.target, 'highcharts-tracker') &&
                        !chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {
                this.reset();
        }
},

/**
 * When mouse leaves the container, hide the tooltip.
 */
onContainerMouseLeave: function () {
        var chart = charts[hoverChartIndex];
        if (chart) {
                chart.pointer.reset();
                chart.pointer.chartPosition = null; // also reset the chart position, used in #149 fix
        }
},

// The mousemove, touchmove and touchstart event handler
onContainerMouseMove: function (e) {

        var chart = this.chart;

        hoverChartIndex = chart.index;

        // normalize
        e = this.normalize(e);          

        if (chart.mouseIsDown === 'mousedown') {
                this.drag(e);
        } 

        // Show the tooltip and run mouse over events (#977)
        if ((this.inClass(e.target, 'highcharts-tracker') || 
                        chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) && !chart.openMenu) {
                this.runPointActions(e);
        }
},

/**
 * Utility to detect whether an element has, or has a parent with, a specific
 * class name. Used on detection of tracker objects and on deciding whether
 * hovering the tooltip should cause the active series to mouse out.
 */
inClass: function (element, className) {
        var elemClassName;
        while (element) {
                elemClassName = attr(element, 'class');
                if (elemClassName) {
                        if (elemClassName.indexOf(className) !== -1) {
                                return true;
                        } else if (elemClassName.indexOf(PREFIX + 'container') !== -1) {
                                return false;
                        }
                }
                element = element.parentNode;
        }               
},

onTrackerMouseOut: function (e) {
        var series = this.chart.hoverSeries,
                relatedTarget = e.relatedTarget || e.toElement,
                relatedSeries = relatedTarget && relatedTarget.point && relatedTarget.point.series; // #2499

        if (series && !series.options.stickyTracking && !this.inClass(relatedTarget, PREFIX + 'tooltip') &&
                        relatedSeries !== series) {
                series.onMouseOut();
        }
},

onContainerClick: function (e) {
        var chart = this.chart,
                hoverPoint = chart.hoverPoint, 
                plotLeft = chart.plotLeft,
                plotTop = chart.plotTop;

        e = this.normalize(e);
        e.cancelBubble = true; // IE specific

        if (!chart.cancelClick) {

                // On tracker click, fire the series and point events. #783, #1583
                if (hoverPoint && this.inClass(e.target, PREFIX + 'tracker')) {

                        // the series click event
                        fireEvent(hoverPoint.series, 'click', extend(e, {
                                point: hoverPoint
                        }));

                        // the point click event
                        if (chart.hoverPoint) { // it may be destroyed (#1844)
                                hoverPoint.firePointEvent('click', e);
                        }

                // When clicking outside a tracker, fire a chart event
                } else {
                        extend(e, this.getCoordinates(e));

                        // fire a click event in the chart
                        if (chart.isInsidePlot(e.chartX - plotLeft, e.chartY - plotTop)) {
                                fireEvent(chart, 'click', e);
                        }
                }

        }
},

/**
 * Set the JS DOM events on the container and document. This method should contain
 * a one-to-one assignment between methods and their handlers. Any advanced logic should
 * be moved to the handler reflecting the event's name.
 */
setDOMEvents: function () {

        var pointer = this,
                container = pointer.chart.container;

        container.onmousedown = function (e) {
                pointer.onContainerMouseDown(e);
        };
        container.onmousemove = function (e) {
                pointer.onContainerMouseMove(e);
        };
        container.onclick = function (e) {
                pointer.onContainerClick(e);
        };
        addEvent(container, 'mouseleave', pointer.onContainerMouseLeave);
        if (chartCount === 1) {
                addEvent(doc, 'mouseup', pointer.onDocumentMouseUp);
        }
        if (hasTouch) {
                container.ontouchstart = function (e) {
                        pointer.onContainerTouchStart(e);
                };
                container.ontouchmove = function (e) {
                        pointer.onContainerTouchMove(e);
                };
                if (chartCount === 1) {
                        addEvent(doc, 'touchend', pointer.onDocumentTouchEnd);
                }
        }

},

/**
 * Destroys the Pointer object and disconnects DOM events.
 */
destroy: function () {
        var prop;

        removeEvent(this.chart.container, 'mouseleave', this.onContainerMouseLeave);
        if (!chartCount) {
                removeEvent(doc, 'mouseup', this.onDocumentMouseUp);
                removeEvent(doc, 'touchend', this.onDocumentTouchEnd);
        }

        // memory and CPU leak
        clearInterval(this.tooltipTimeout);

        for (prop in this) {
                this[prop] = null;
        }
}

};

/* Support for touch devices */ extend(Highcharts.Pointer.prototype, {

/**
 * Run translation operations
 */
pinchTranslate: function (pinchDown, touches, transform, selectionMarker, clip, lastValidTouch) {
        if (this.zoomHor || this.pinchHor) {
                this.pinchTranslateDirection(true, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch);
        }
        if (this.zoomVert || this.pinchVert) {
                this.pinchTranslateDirection(false, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch);
        }
},

/**
 * Run translation operations for each direction (horizontal and vertical) independently
 */
pinchTranslateDirection: function (horiz, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch, forcedScale) {
        var chart = this.chart,
                xy = horiz ? 'x' : 'y',
                XY = horiz ? 'X' : 'Y',
                sChartXY = 'chart' + XY,
                wh = horiz ? 'width' : 'height',
                plotLeftTop = chart['plot' + (horiz ? 'Left' : 'Top')],
                selectionWH,
                selectionXY,
                clipXY,
                scale = forcedScale || 1,
                inverted = chart.inverted,
                bounds = chart.bounds[horiz ? 'h' : 'v'],
                singleTouch = pinchDown.length === 1,
                touch0Start = pinchDown[0][sChartXY],
                touch0Now = touches[0][sChartXY],
                touch1Start = !singleTouch && pinchDown[1][sChartXY],
                touch1Now = !singleTouch && touches[1][sChartXY],
                outOfBounds,
                transformScale,
                scaleKey,
                setScale = function () {
                        if (!singleTouch && mathAbs(touch0Start - touch1Start) > 20) { // Don't zoom if fingers are too close on this axis
                                scale = forcedScale || mathAbs(touch0Now - touch1Now) / mathAbs(touch0Start - touch1Start); 
                        }

                        clipXY = ((plotLeftTop - touch0Now) / scale) + touch0Start;
                        selectionWH = chart['plot' + (horiz ? 'Width' : 'Height')] / scale;
                };

        // Set the scale, first pass
        setScale();

        selectionXY = clipXY; // the clip position (x or y) is altered if out of bounds, the selection position is not

        // Out of bounds
        if (selectionXY < bounds.min) {
                selectionXY = bounds.min;
                outOfBounds = true;
        } else if (selectionXY + selectionWH > bounds.max) {
                selectionXY = bounds.max - selectionWH;
                outOfBounds = true;
        }

        // Is the chart dragged off its bounds, determined by dataMin and dataMax?
        if (outOfBounds) {

                // Modify the touchNow position in order to create an elastic drag movement. This indicates
                // to the user that the chart is responsive but can't be dragged further.
                touch0Now -= 0.8 * (touch0Now - lastValidTouch[xy][0]);
                if (!singleTouch) {
                        touch1Now -= 0.8 * (touch1Now - lastValidTouch[xy][1]);
                }

                // Set the scale, second pass to adapt to the modified touchNow positions
                setScale();

        } else {
                lastValidTouch[xy] = [touch0Now, touch1Now];
        }

        // Set geometry for clipping, selection and transformation
        if (!inverted) { // TODO: implement clipping for inverted charts
                clip[xy] = clipXY - plotLeftTop;
                clip[wh] = selectionWH;
        }
        scaleKey = inverted ? (horiz ? 'scaleY' : 'scaleX') : 'scale' + XY;
        transformScale = inverted ? 1 / scale : scale;

        selectionMarker[wh] = selectionWH;
        selectionMarker[xy] = selectionXY;
        transform[scaleKey] = scale;
        transform['translate' + XY] = (transformScale * plotLeftTop) + (touch0Now - (transformScale * touch0Start));
},

/**
 * Handle touch events with two touches
 */
pinch: function (e) {

        var self = this,
                chart = self.chart,
                pinchDown = self.pinchDown,
                followTouchMove = self.followTouchMove,
                touches = e.touches,
                touchesLength = touches.length,
                lastValidTouch = self.lastValidTouch,
                hasZoom = self.hasZoom,
                selectionMarker = self.selectionMarker,
                transform = {},
                fireClickEvent = touchesLength === 1 && ((self.inClass(e.target, PREFIX + 'tracker') && 
                        chart.runTrackerClick) || chart.runChartClick),
                clip = {};

        // On touch devices, only proceed to trigger click if a handler is defined
        if ((hasZoom || followTouchMove) && !fireClickEvent) {
                e.preventDefault();
        }

        // Normalize each touch
        map(touches, function (e) {
                return self.normalize(e);
        });

        // Register the touch start position
        if (e.type === 'touchstart') {
                each(touches, function (e, i) {
                        pinchDown[i] = { chartX: e.chartX, chartY: e.chartY };
                });
                lastValidTouch.x = [pinchDown[0].chartX, pinchDown[1] && pinchDown[1].chartX];
                lastValidTouch.y = [pinchDown[0].chartY, pinchDown[1] && pinchDown[1].chartY];

                // Identify the data bounds in pixels
                each(chart.axes, function (axis) {
                        if (axis.zoomEnabled) {
                                var bounds = chart.bounds[axis.horiz ? 'h' : 'v'],
                                        minPixelPadding = axis.minPixelPadding,
                                        min = axis.toPixels(axis.dataMin),
                                        max = axis.toPixels(axis.dataMax),
                                        absMin = mathMin(min, max),
                                        absMax = mathMax(min, max);

                                // Store the bounds for use in the touchmove handler
                                bounds.min = mathMin(axis.pos, absMin - minPixelPadding);
                                bounds.max = mathMax(axis.pos + axis.len, absMax + minPixelPadding);
                        }
                });

        // Event type is touchmove, handle panning and pinching
        } else if (pinchDown.length) { // can be 0 when releasing, if touchend fires first

                // Set the marker
                if (!selectionMarker) {
                        self.selectionMarker = selectionMarker = extend({
                                destroy: noop
                        }, chart.plotBox);
                }

                self.pinchTranslate(pinchDown, touches, transform, selectionMarker, clip, lastValidTouch);

                self.hasPinched = hasZoom;

                // Scale and translate the groups to provide visual feedback during pinching
                self.scaleGroups(transform, clip);

                // Optionally move the tooltip on touchmove
                if (!hasZoom && followTouchMove && touchesLength === 1) {
                        this.runPointActions(self.normalize(e));
                }
        }
},

onContainerTouchStart: function (e) {
        var chart = this.chart;

        hoverChartIndex = chart.index;

        if (e.touches.length === 1) {

                e = this.normalize(e);

                if (chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {

                        // Run mouse events and display tooltip etc
                        this.runPointActions(e);

                        this.pinch(e);

                } else {
                        // Hide the tooltip on touching outside the plot area (#1203)
                        this.reset();
                }

        } else if (e.touches.length === 2) {
                this.pinch(e);
        }   
},

onContainerTouchMove: function (e) {
        if (e.touches.length === 1 || e.touches.length === 2) {
                this.pinch(e);
        }
},

onDocumentTouchEnd: function (e) {
        if (charts[hoverChartIndex]) {
                charts[hoverChartIndex].pointer.drop(e);
        }
}

}); if (win.PointerEvent || win.MSPointerEvent) {

// The touches object keeps track of the points being touched at all times
var touches = {},
        hasPointerEvent = !!win.PointerEvent,
        getWebkitTouches = function () {
                var key, fake = [];
                fake.item = function (i) { return this[i]; };
                for (key in touches) {
                        if (touches.hasOwnProperty(key)) {
                                fake.push({
                                        pageX: touches[key].pageX,
                                        pageY: touches[key].pageY,
                                        target: touches[key].target
                                });
                        }
                }
                return fake;
        },
        translateMSPointer = function (e, method, wktype, callback) {
                var p;
                e = e.originalEvent || e;
                if ((e.pointerType === 'touch' || e.pointerType === e.MSPOINTER_TYPE_TOUCH) && charts[hoverChartIndex]) {
                        callback(e);
                        p = charts[hoverChartIndex].pointer;
                        p[method]({
                                type: wktype,
                                target: e.currentTarget,
                                preventDefault: noop,
                                touches: getWebkitTouches()
                        });                             
                }
        };

/**
 * Extend the Pointer prototype with methods for each event handler and more
 */
extend(Pointer.prototype, {
        onContainerPointerDown: function (e) {
                translateMSPointer(e, 'onContainerTouchStart', 'touchstart', function (e) {
                        touches[e.pointerId] = { pageX: e.pageX, pageY: e.pageY, target: e.currentTarget };
                });
        },
        onContainerPointerMove: function (e) {
                translateMSPointer(e, 'onContainerTouchMove', 'touchmove', function (e) {
                        touches[e.pointerId] = { pageX: e.pageX, pageY: e.pageY };
                        if (!touches[e.pointerId].target) {
                                touches[e.pointerId].target = e.currentTarget;
                        }
                });
        },
        onDocumentPointerUp: function (e) {
                translateMSPointer(e, 'onContainerTouchEnd', 'touchend', function (e) {
                        delete touches[e.pointerId];
                });
        },

        /**
         * Add or remove the MS Pointer specific events
         */
        batchMSEvents: function (fn) {
                fn(this.chart.container, hasPointerEvent ? 'pointerdown' : 'MSPointerDown', this.onContainerPointerDown);
                fn(this.chart.container, hasPointerEvent ? 'pointermove' : 'MSPointerMove', this.onContainerPointerMove);
                fn(doc, hasPointerEvent ? 'pointerup' : 'MSPointerUp', this.onDocumentPointerUp);
        }
});

// Disable default IE actions for pinch and such on chart element
wrap(Pointer.prototype, 'init', function (proceed, chart, options) {
        proceed.call(this, chart, options);
        if (this.hasZoom || this.followTouchMove) {
                css(chart.container, {
                        '-ms-touch-action': NONE,
                        'touch-action': NONE
                });
        }
});

// Add IE specific touch events to chart
wrap(Pointer.prototype, 'setDOMEvents', function (proceed) {
        proceed.apply(this);
        if (this.hasZoom || this.followTouchMove) {
                this.batchMSEvents(addEvent);
        }
});
// Destroy MS events also
wrap(Pointer.prototype, 'destroy', function (proceed) {
        this.batchMSEvents(removeEvent);
        proceed.call(this);
});

} /**

* The overview of the chart's series
*/

var Legend = Highcharts.Legend = function (chart, options) {

this.init(chart, options);

};

Legend.prototype = {

/**
 * Initialize the legend
 */
init: function (chart, options) {

        var legend = this,
                itemStyle = options.itemStyle,
                padding = pick(options.padding, 8),
                itemMarginTop = options.itemMarginTop || 0;

        this.options = options;

        if (!options.enabled) {
                return;
        }

        legend.baseline = pInt(itemStyle.fontSize) + 3 + itemMarginTop; // used in Series prototype
        legend.itemStyle = itemStyle;
        legend.itemHiddenStyle = merge(itemStyle, options.itemHiddenStyle);
        legend.itemMarginTop = itemMarginTop;
        legend.padding = padding;
        legend.initialItemX = padding;
        legend.initialItemY = padding - 5; // 5 is the number of pixels above the text
        legend.maxItemWidth = 0;
        legend.chart = chart;
        legend.itemHeight = 0;
        legend.lastLineHeight = 0;
        legend.symbolWidth = pick(options.symbolWidth, 16);
        legend.pages = [];

        // Render it
        legend.render();

        // move checkboxes
        addEvent(legend.chart, 'endResize', function () { 
                legend.positionCheckboxes();
        });

},

/**
 * Set the colors for the legend item
 * @param {Object} item A Series or Point instance
 * @param {Object} visible Dimmed or colored
 */
colorizeItem: function (item, visible) {
        var legend = this,
                options = legend.options,
                legendItem = item.legendItem,
                legendLine = item.legendLine,
                legendSymbol = item.legendSymbol,
                hiddenColor = legend.itemHiddenStyle.color,
                textColor = visible ? options.itemStyle.color : hiddenColor,
                symbolColor = visible ? (item.legendColor || item.color || '#CCC') : hiddenColor,
                markerOptions = item.options && item.options.marker,
                symbolAttr = { fill: symbolColor },
                key,
                val;

        if (legendItem) {
                legendItem.css({ fill: textColor, color: textColor }); // color for #1553, oldIE
        }
        if (legendLine) {
                legendLine.attr({ stroke: symbolColor });
        }

        if (legendSymbol) {

                // Apply marker options
                if (markerOptions && legendSymbol.isMarker) { // #585
                        symbolAttr.stroke = symbolColor;
                        markerOptions = item.convertAttribs(markerOptions);
                        for (key in markerOptions) {
                                val = markerOptions[key];
                                if (val !== UNDEFINED) {
                                        symbolAttr[key] = val;
                                }
                        }
                }

                legendSymbol.attr(symbolAttr);
        }
},

/**
 * Position the legend item
 * @param {Object} item A Series or Point instance
 */
positionItem: function (item) {
        var legend = this,
                options = legend.options,
                symbolPadding = options.symbolPadding,
                ltr = !options.rtl,
                legendItemPos = item._legendItemPos,
                itemX = legendItemPos[0],
                itemY = legendItemPos[1],
                checkbox = item.checkbox;

        if (item.legendGroup) {
                item.legendGroup.translate(
                        ltr ? itemX : legend.legendWidth - itemX - 2 * symbolPadding - 4,
                        itemY
                );
        }

        if (checkbox) {
                checkbox.x = itemX;
                checkbox.y = itemY;
        }
},

/**
 * Destroy a single legend item
 * @param {Object} item The series or point
 */
destroyItem: function (item) {
        var checkbox = item.checkbox;

        // destroy SVG elements
        each(['legendItem', 'legendLine', 'legendSymbol', 'legendGroup'], function (key) {
                if (item[key]) {
                        item[key] = item[key].destroy();
                }
        });

        if (checkbox) {
                discardElement(item.checkbox);
        }
},

/**
 * Destroys the legend.
 */
destroy: function () {
        var legend = this,
                legendGroup = legend.group,
                box = legend.box;

        if (box) {
                legend.box = box.destroy();
        }

        if (legendGroup) {
                legend.group = legendGroup.destroy();
        }
},

/**
 * Position the checkboxes after the width is determined
 */
positionCheckboxes: function (scrollOffset) {
        var alignAttr = this.group.alignAttr,
                translateY,
                clipHeight = this.clipHeight || this.legendHeight;

        if (alignAttr) {
                translateY = alignAttr.translateY;
                each(this.allItems, function (item) {
                        var checkbox = item.checkbox,
                                top;

                        if (checkbox) {
                                top = (translateY + checkbox.y + (scrollOffset || 0) + 3);
                                css(checkbox, {
                                        left: (alignAttr.translateX + item.checkboxOffset + checkbox.x - 20) + PX,
                                        top: top + PX,
                                        display: top > translateY - 6 && top < translateY + clipHeight - 6 ? '' : NONE
                                });
                        }
                });
        }
},

/**
 * Render the legend title on top of the legend
 */
renderTitle: function () {
        var options = this.options,
                padding = this.padding,
                titleOptions = options.title,
                titleHeight = 0,
                bBox;

        if (titleOptions.text) {
                if (!this.title) {
                        this.title = this.chart.renderer.label(titleOptions.text, padding - 3, padding - 4, null, null, null, null, null, 'legend-title')
                                .attr({ zIndex: 1 })
                                .css(titleOptions.style)
                                .add(this.group);
                }
                bBox = this.title.getBBox();
                titleHeight = bBox.height;
                this.offsetWidth = bBox.width; // #1717
                this.contentGroup.attr({ translateY: titleHeight });
        }
        this.titleHeight = titleHeight;
},

/**
 * Render a single specific legend item
 * @param {Object} item A series or point
 */
renderItem: function (item) {
        var legend = this,
                chart = legend.chart,
                renderer = chart.renderer,
                options = legend.options,
                horizontal = options.layout === 'horizontal',
                symbolWidth = legend.symbolWidth,
                symbolPadding = options.symbolPadding,
                itemStyle = legend.itemStyle,
                itemHiddenStyle = legend.itemHiddenStyle,
                padding = legend.padding,
                itemDistance = horizontal ? pick(options.itemDistance, 20) : 0, // docs
                ltr = !options.rtl,
                itemHeight,
                widthOption = options.width,
                itemMarginBottom = options.itemMarginBottom || 0,
                itemMarginTop = legend.itemMarginTop,
                initialItemX = legend.initialItemX,
                bBox,
                itemWidth,
                li = item.legendItem,
                series = item.series && item.series.drawLegendSymbol ? item.series : item,
                seriesOptions = series.options,
                showCheckbox = legend.createCheckboxForItem && seriesOptions && seriesOptions.showCheckbox,
                useHTML = options.useHTML;

        if (!li) { // generate it once, later move it

                // Generate the group box
                // A group to hold the symbol and text. Text is to be appended in Legend class.
                item.legendGroup = renderer.g('legend-item')
                        .attr({ zIndex: 1 })
                        .add(legend.scrollGroup);

                // Draw the legend symbol inside the group box
                series.drawLegendSymbol(legend, item);

                // Generate the list item text and add it to the group
                item.legendItem = li = renderer.text(
                                options.labelFormat ? format(options.labelFormat, item) : options.labelFormatter.call(item),
                                ltr ? symbolWidth + symbolPadding : -symbolPadding,
                                legend.baseline,
                                useHTML
                        )
                        .css(merge(item.visible ? itemStyle : itemHiddenStyle)) // merge to prevent modifying original (#1021)
                        .attr({
                                align: ltr ? 'left' : 'right',
                                zIndex: 2
                        })
                        .add(item.legendGroup);

                if (legend.setItemEvents) {
                        legend.setItemEvents(item, li, useHTML, itemStyle, itemHiddenStyle);
                }                       

                // Colorize the items
                legend.colorizeItem(item, item.visible);

                // add the HTML checkbox on top
                if (showCheckbox) {
                        legend.createCheckboxForItem(item);                             
                }
        }

        // calculate the positions for the next line
        bBox = li.getBBox();

        itemWidth = item.checkboxOffset = 
                options.itemWidth || 
                item.legendItemWidth || 
                symbolWidth + symbolPadding + bBox.width + itemDistance + (showCheckbox ? 20 : 0);
        legend.itemHeight = itemHeight = mathRound(item.legendItemHeight || bBox.height);

        // if the item exceeds the width, start a new line
        if (horizontal && legend.itemX - initialItemX + itemWidth >
                        (widthOption || (chart.chartWidth - 2 * padding - initialItemX - options.x))) {
                legend.itemX = initialItemX;
                legend.itemY += itemMarginTop + legend.lastLineHeight + itemMarginBottom;
                legend.lastLineHeight = 0; // reset for next line
        }

        // If the item exceeds the height, start a new column
        /*if (!horizontal && legend.itemY + options.y + itemHeight > chart.chartHeight - spacingTop - spacingBottom) {
                legend.itemY = legend.initialItemY;
                legend.itemX += legend.maxItemWidth;
                legend.maxItemWidth = 0;
        }*/

        // Set the edge positions
        legend.maxItemWidth = mathMax(legend.maxItemWidth, itemWidth);
        legend.lastItemY = itemMarginTop + legend.itemY + itemMarginBottom;
        legend.lastLineHeight = mathMax(itemHeight, legend.lastLineHeight); // #915

        // cache the position of the newly generated or reordered items
        item._legendItemPos = [legend.itemX, legend.itemY];

        // advance
        if (horizontal) {
                legend.itemX += itemWidth;

        } else {
                legend.itemY += itemMarginTop + itemHeight + itemMarginBottom;
                legend.lastLineHeight = itemHeight;
        }

        // the width of the widest item
        legend.offsetWidth = widthOption || mathMax(
                (horizontal ? legend.itemX - initialItemX - itemDistance : itemWidth) + padding,
                legend.offsetWidth
        );
},

/**
 * Get all items, which is one item per series for normal series and one item per point
 * for pie series.
 */
getAllItems: function () {
        var allItems = [];
        each(this.chart.series, function (series) {
                var seriesOptions = series.options;

                // Handle showInLegend. If the series is linked to another series, defaults to false.
                if (!pick(seriesOptions.showInLegend, !defined(seriesOptions.linkedTo) ? UNDEFINED : false, true)) {
                        return;
                }

                // use points or series for the legend item depending on legendType
                allItems = allItems.concat(
                                series.legendItems ||
                                (seriesOptions.legendType === 'point' ?
                                                series.data :
                                                series)
                );
        });
        return allItems;
},

/**
 * Render the legend. This method can be called both before and after
 * chart.render. If called after, it will only rearrange items instead
 * of creating new ones.
 */
render: function () {
        var legend = this,
                chart = legend.chart,
                renderer = chart.renderer,
                legendGroup = legend.group,
                allItems,
                display,
                legendWidth,
                legendHeight,
                box = legend.box,
                options = legend.options,
                padding = legend.padding,
                legendBorderWidth = options.borderWidth,
                legendBackgroundColor = options.backgroundColor;

        legend.itemX = legend.initialItemX;
        legend.itemY = legend.initialItemY;
        legend.offsetWidth = 0;
        legend.lastItemY = 0;

        if (!legendGroup) {
                legend.group = legendGroup = renderer.g('legend')
                        .attr({ zIndex: 7 }) 
                        .add();
                legend.contentGroup = renderer.g()
                        .attr({ zIndex: 1 }) // above background
                        .add(legendGroup);
                legend.scrollGroup = renderer.g()
                        .add(legend.contentGroup);
        }

        legend.renderTitle();

        // add each series or point
        allItems = legend.getAllItems();

        // sort by legendIndex
        stableSort(allItems, function (a, b) {
                return ((a.options && a.options.legendIndex) || 0) - ((b.options && b.options.legendIndex) || 0);
        });

        // reversed legend
        if (options.reversed) {
                allItems.reverse();
        }

        legend.allItems = allItems;
        legend.display = display = !!allItems.length;

        // render the items
        each(allItems, function (item) {
                legend.renderItem(item); 
        });

        // Draw the border
        legendWidth = options.width || legend.offsetWidth;
        legendHeight = legend.lastItemY + legend.lastLineHeight + legend.titleHeight;

        legendHeight = legend.handleOverflow(legendHeight);

        if (legendBorderWidth || legendBackgroundColor) {
                legendWidth += padding;
                legendHeight += padding;

                if (!box) {
                        legend.box = box = renderer.rect(
                                0,
                                0,
                                legendWidth,
                                legendHeight,
                                options.borderRadius,
                                legendBorderWidth || 0
                        ).attr({
                                stroke: options.borderColor,
                                'stroke-width': legendBorderWidth || 0,
                                fill: legendBackgroundColor || NONE
                        })
                        .add(legendGroup)
                        .shadow(options.shadow);
                        box.isNew = true;

                } else if (legendWidth > 0 && legendHeight > 0) {
                        box[box.isNew ? 'attr' : 'animate'](
                                box.crisp({ width: legendWidth, height: legendHeight })
                        );
                        box.isNew = false;
                }

                // hide the border if no items
                box[display ? 'show' : 'hide']();
        }

        legend.legendWidth = legendWidth;
        legend.legendHeight = legendHeight;

        // Now that the legend width and height are established, put the items in the 
        // final position
        each(allItems, function (item) {
                legend.positionItem(item);
        });

        // 1.x compatibility: positioning based on style
        /*var props = ['left', 'right', 'top', 'bottom'],
                prop,
                i = 4;
        while (i--) {
                prop = props[i];
                if (options.style[prop] && options.style[prop] !== 'auto') {
                        options[i < 2 ? 'align' : 'verticalAlign'] = prop;
                        options[i < 2 ? 'x' : 'y'] = pInt(options.style[prop]) * (i % 2 ? -1 : 1);
                }
        }*/

        if (display) {
                legendGroup.align(extend({
                        width: legendWidth,
                        height: legendHeight
                }, options), true, 'spacingBox');
        }

        if (!chart.isResizing) {
                this.positionCheckboxes();
        }
},

/**
 * Set up the overflow handling by adding navigation with up and down arrows below the
 * legend.
 */
handleOverflow: function (legendHeight) {
        var legend = this,
                chart = this.chart,
                renderer = chart.renderer,
                options = this.options,
                optionsY = options.y,
                alignTop = options.verticalAlign === 'top',
                spaceHeight = chart.spacingBox.height + (alignTop ? -optionsY : optionsY) - this.padding,
                maxHeight = options.maxHeight,
                clipHeight,
                clipRect = this.clipRect,
                navOptions = options.navigation,
                animation = pick(navOptions.animation, true),
                arrowSize = navOptions.arrowSize || 12,
                nav = this.nav,
                pages = this.pages,
                lastY,
                allItems = this.allItems;

        // Adjust the height
        if (options.layout === 'horizontal') {
                spaceHeight /= 2;
        }
        if (maxHeight) {
                spaceHeight = mathMin(spaceHeight, maxHeight);
        }

        // Reset the legend height and adjust the clipping rectangle
        pages.length = 0;
        if (legendHeight > spaceHeight && !options.useHTML) {

                this.clipHeight = clipHeight = spaceHeight - 20 - this.titleHeight - this.padding;
                this.currentPage = pick(this.currentPage, 1);
                this.fullHeight = legendHeight;

                // Fill pages with Y positions so that the top of each a legend item defines
                // the scroll top for each page (#2098)
                each(allItems, function (item, i) {
                        var y = item._legendItemPos[1],
                                h = mathRound(item.legendItem.getBBox().height),
                                len = pages.length;

                        if (!len || (y - pages[len - 1] > clipHeight && (lastY || y) !== pages[len - 1])) {
                                pages.push(lastY || y);
                                len++;
                        }

                        if (i === allItems.length - 1 && y + h - pages[len - 1] > clipHeight) {
                                pages.push(y);
                        }
                        if (y !== lastY) {
                                lastY = y;
                        }
                });

                // Only apply clipping if needed. Clipping causes blurred legend in PDF export (#1787)
                if (!clipRect) {
                        clipRect = legend.clipRect = renderer.clipRect(0, this.padding, 9999, 0);
                        legend.contentGroup.clip(clipRect);
                }
                clipRect.attr({
                        height: clipHeight
                });

                // Add navigation elements
                if (!nav) {
                        this.nav = nav = renderer.g().attr({ zIndex: 1 }).add(this.group);
                        this.up = renderer.symbol('triangle', 0, 0, arrowSize, arrowSize)
                                .on('click', function () {
                                        legend.scroll(-1, animation);
                                })
                                .add(nav);
                        this.pager = renderer.text('', 15, 10)
                                .css(navOptions.style)
                                .add(nav);
                        this.down = renderer.symbol('triangle-down', 0, 0, arrowSize, arrowSize)
                                .on('click', function () {
                                        legend.scroll(1, animation);
                                })
                                .add(nav);
                }

                // Set initial position
                legend.scroll(0);

                legendHeight = spaceHeight;

        } else if (nav) {
                clipRect.attr({
                        height: chart.chartHeight
                });
                nav.hide();
                this.scrollGroup.attr({
                        translateY: 1
                });
                this.clipHeight = 0; // #1379
        }

        return legendHeight;
},

/**
 * Scroll the legend by a number of pages
 * @param {Object} scrollBy
 * @param {Object} animation
 */
scroll: function (scrollBy, animation) {
        var pages = this.pages,
                pageCount = pages.length,
                currentPage = this.currentPage + scrollBy,
                clipHeight = this.clipHeight,
                navOptions = this.options.navigation,
                activeColor = navOptions.activeColor,
                inactiveColor = navOptions.inactiveColor,
                pager = this.pager,
                padding = this.padding,
                scrollOffset;

        // When resizing while looking at the last page
        if (currentPage > pageCount) {
                currentPage = pageCount;
        }

        if (currentPage > 0) {

                if (animation !== UNDEFINED) {
                        setAnimation(animation, this.chart);
                }

                this.nav.attr({
                        translateX: padding,
                        translateY: clipHeight + this.padding + 7 + this.titleHeight,
                        visibility: VISIBLE
                });
                this.up.attr({
                                fill: currentPage === 1 ? inactiveColor : activeColor
                        })
                        .css({
                                cursor: currentPage === 1 ? 'default' : 'pointer'
                        });
                pager.attr({
                        text: currentPage + '/' + pageCount
                });
                this.down.attr({
                                x: 18 + this.pager.getBBox().width, // adjust to text width
                                fill: currentPage === pageCount ? inactiveColor : activeColor
                        })
                        .css({
                                cursor: currentPage === pageCount ? 'default' : 'pointer'
                        });

                scrollOffset = -pages[currentPage - 1] + this.initialItemY;

                this.scrollGroup.animate({
                        translateY: scrollOffset
                });                     

                this.currentPage = currentPage;
                this.positionCheckboxes(scrollOffset);
        }

}

};

/*

* LegendSymbolMixin
*/

var LegendSymbolMixin = Highcharts.LegendSymbolMixin = {

/**
 * Get the series' symbol in the legend
 * 
 * @param {Object} legend The legend object
 * @param {Object} item The series (this) or point
 */
drawRectangle: function (legend, item) {
        var symbolHeight = legend.options.symbolHeight || 12;

        item.legendSymbol = this.chart.renderer.rect(
                0,
                legend.baseline - 5 - (symbolHeight / 2),
                legend.symbolWidth,
                symbolHeight,
                legend.options.symbolRadius || 0
        ).attr({
                zIndex: 3
        }).add(item.legendGroup);               

},

/**
 * Get the series' symbol in the legend. This method should be overridable to create custom 
 * symbols through Highcharts.seriesTypes[type].prototype.drawLegendSymbols.
 * 
 * @param {Object} legend The legend object
 */
drawLineMarker: function (legend) {

        var options = this.options,
                markerOptions = options.marker,
                radius,
                legendOptions = legend.options,
                legendSymbol,
                symbolWidth = legend.symbolWidth,
                renderer = this.chart.renderer,
                legendItemGroup = this.legendGroup,
                verticalCenter = legend.baseline - mathRound(renderer.fontMetrics(legendOptions.itemStyle.fontSize).b * 0.3),
                attr;

        // Draw the line
        if (options.lineWidth) {
                attr = {
                        'stroke-width': options.lineWidth
                };
                if (options.dashStyle) {
                        attr.dashstyle = options.dashStyle;
                }
                this.legendLine = renderer.path([
                        M,
                        0,
                        verticalCenter,
                        L,
                        symbolWidth,
                        verticalCenter
                ])
                .attr(attr)
                .add(legendItemGroup);
        }

        // Draw the marker
        if (markerOptions && markerOptions.enabled !== false) {
                radius = markerOptions.radius;
                this.legendSymbol = legendSymbol = renderer.symbol(
                        this.symbol,
                        (symbolWidth / 2) - radius,
                        verticalCenter - radius,
                        2 * radius,
                        2 * radius
                )
                .add(legendItemGroup);
                legendSymbol.isMarker = true;
        }
}

};

// Workaround for #2030, horizontal legend items not displaying in IE11 Preview, // and for #2580, a similar drawing flaw in Firefox 26. // TODO: Explore if there’s a general cause for this. The problem may be related // to nested group elements, as the legend item texts are within 4 group elements. if (/Trident/7.0/.test(userAgent) || isFirefox) {

wrap(Legend.prototype, 'positionItem', function (proceed, item) {
        var legend = this,
                runPositionItem = function () { // If chart destroyed in sync, this is undefined (#2030)
                        if (item._legendItemPos) {
                                proceed.call(legend, item);
                        }
                };

        // Do it now, for export and to get checkbox placement
        runPositionItem();

        // Do it after to work around the core issue
        setTimeout(runPositionItem);
});

} /**

* The chart class
* @param {Object} options
* @param {Function} callback Function to run when the chart has loaded
*/

function Chart() {

this.init.apply(this, arguments);

}

Chart.prototype = {

/**
 * Initialize the chart
 */
init: function (userOptions, callback) {

        // Handle regular options
        var options,
                seriesOptions = userOptions.series; // skip merging data points to increase performance

        userOptions.series = null;
        options = merge(defaultOptions, userOptions); // do the merge
        options.series = userOptions.series = seriesOptions; // set back the series data
        this.userOptions = userOptions;

        var optionsChart = options.chart;

        // Create margin & spacing array
        this.margin = this.splashArray('margin', optionsChart);
        this.spacing = this.splashArray('spacing', optionsChart);

        var chartEvents = optionsChart.events;

        //this.runChartClick = chartEvents && !!chartEvents.click;
        this.bounds = { h: {}, v: {} }; // Pixel data bounds for touch zoom

        this.callback = callback;
        this.isResizing = 0;
        this.options = options;
        //chartTitleOptions = UNDEFINED;
        //chartSubtitleOptions = UNDEFINED;

        this.axes = [];
        this.series = [];
        this.hasCartesianSeries = optionsChart.showAxes;
        //this.axisOffset = UNDEFINED;
        //this.maxTicks = UNDEFINED; // handle the greatest amount of ticks on grouped axes
        //this.inverted = UNDEFINED;
        //this.loadingShown = UNDEFINED;
        //this.container = UNDEFINED;
        //this.chartWidth = UNDEFINED;
        //this.chartHeight = UNDEFINED;
        //this.marginRight = UNDEFINED;
        //this.marginBottom = UNDEFINED;
        //this.containerWidth = UNDEFINED;
        //this.containerHeight = UNDEFINED;
        //this.oldChartWidth = UNDEFINED;
        //this.oldChartHeight = UNDEFINED;

        //this.renderTo = UNDEFINED;
        //this.renderToClone = UNDEFINED;

        //this.spacingBox = UNDEFINED

        //this.legend = UNDEFINED;

        // Elements
        //this.chartBackground = UNDEFINED;
        //this.plotBackground = UNDEFINED;
        //this.plotBGImage = UNDEFINED;
        //this.plotBorder = UNDEFINED;
        //this.loadingDiv = UNDEFINED;
        //this.loadingSpan = UNDEFINED;

        var chart = this,
                eventType;

        // Add the chart to the global lookup
        chart.index = charts.length;
        charts.push(chart);
        chartCount++;

        // Set up auto resize
        if (optionsChart.reflow !== false) {
                addEvent(chart, 'load', function () {
                        chart.initReflow();
                });
        }

        // Chart event handlers
        if (chartEvents) {
                for (eventType in chartEvents) {
                        addEvent(chart, eventType, chartEvents[eventType]);
                }
        }

        chart.xAxis = [];
        chart.yAxis = [];

        // Expose methods and variables
        chart.animation = useCanVG ? false : pick(optionsChart.animation, true);
        chart.pointCount = 0;
        chart.counters = new ChartCounters();

        chart.firstRender();
},

/**
 * Initialize an individual series, called internally before render time
 */
initSeries: function (options) {
        var chart = this,
                optionsChart = chart.options.chart,
                type = options.type || optionsChart.type || optionsChart.defaultSeriesType,
                series,
                constr = seriesTypes[type];

        // No such series type
        if (!constr) {
                error(17, true);
        }

        series = new constr();
        series.init(this, options);
        return series;
},

/**
 * Check whether a given point is within the plot area
 *
 * @param {Number} plotX Pixel x relative to the plot area
 * @param {Number} plotY Pixel y relative to the plot area
 * @param {Boolean} inverted Whether the chart is inverted
 */
isInsidePlot: function (plotX, plotY, inverted) {
        var x = inverted ? plotY : plotX,
                y = inverted ? plotX : plotY;

        return x >= 0 &&
                x <= this.plotWidth &&
                y >= 0 &&
                y <= this.plotHeight;
},

/**
 * Adjust all axes tick amounts
 */
adjustTickAmounts: function () {
        if (this.options.chart.alignTicks !== false) {
                each(this.axes, function (axis) {
                        axis.adjustTickAmount();
                });
        }
        this.maxTicks = null;
},

/**
 * Redraw legend, axes or series based on updated data
 *
 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
 *    configuration
 */
redraw: function (animation) {
        var chart = this,
                axes = chart.axes,
                series = chart.series,
                pointer = chart.pointer,
                legend = chart.legend,
                redrawLegend = chart.isDirtyLegend,
                hasStackedSeries,
                hasDirtyStacks,
                isDirtyBox = chart.isDirtyBox, // todo: check if it has actually changed?
                seriesLength = series.length,
                i = seriesLength,
                serie,
                renderer = chart.renderer,
                isHiddenChart = renderer.isHidden(),
                afterRedraw = [];

        setAnimation(animation, chart);

        if (isHiddenChart) {
                chart.cloneRenderTo();
        }

        // Adjust title layout (reflow multiline text)
        chart.layOutTitles();

        // link stacked series
        while (i--) {
                serie = series[i];

                if (serie.options.stacking) {
                        hasStackedSeries = true;

                        if (serie.isDirty) {
                                hasDirtyStacks = true;
                                break;
                        }
                }
        }
        if (hasDirtyStacks) { // mark others as dirty
                i = seriesLength;
                while (i--) {
                        serie = series[i];
                        if (serie.options.stacking) {
                                serie.isDirty = true;
                        }
                }
        }

        // handle updated data in the series
        each(series, function (serie) {
                if (serie.isDirty) { // prepare the data so axis can read it
                        if (serie.options.legendType === 'point') {
                                redrawLegend = true;
                        }
                }
        });

        // handle added or removed series
        if (redrawLegend && legend.options.enabled) { // series or pie points are added or removed
                // draw legend graphics
                legend.render();

                chart.isDirtyLegend = false;
        }

        // reset stacks
        if (hasStackedSeries) {
                chart.getStacks();
        }

        if (chart.hasCartesianSeries) {
                if (!chart.isResizing) {

                        // reset maxTicks
                        chart.maxTicks = null;

                        // set axes scales
                        each(axes, function (axis) {
                                axis.setScale();
                        });
                }

                chart.adjustTickAmounts();
                chart.getMargins();

                // If one axis is dirty, all axes must be redrawn (#792, #2169)
                each(axes, function (axis) {
                        if (axis.isDirty) {
                                isDirtyBox = true;
                        }
                });

                // redraw axes
                each(axes, function (axis) {

                        // Fire 'afterSetExtremes' only if extremes are set
                        if (axis.isDirtyExtremes) { // #821
                                axis.isDirtyExtremes = false;
                                afterRedraw.push(function () { // prevent a recursive call to chart.redraw() (#1119)
                                        fireEvent(axis, 'afterSetExtremes', extend(axis.eventArgs, axis.getExtremes())); // #747, #751
                                        delete axis.eventArgs;
                                });
                        }

                        if (isDirtyBox || hasStackedSeries) {
                                axis.redraw();
                        }
                });

        }
        // the plot areas size has changed
        if (isDirtyBox) {
                chart.drawChartBox();
        }

        // redraw affected series
        each(series, function (serie) {
                if (serie.isDirty && serie.visible &&
                                (!serie.isCartesian || serie.xAxis)) { // issue #153
                        serie.redraw();
                }
        });

        // move tooltip or reset
        if (pointer) {
                pointer.reset(true);
        }

        // redraw if canvas
        renderer.draw();

        // fire the event
        fireEvent(chart, 'redraw'); // jQuery breaks this when calling it from addEvent. Overwrites chart.redraw

        if (isHiddenChart) {
                chart.cloneRenderTo(true);
        }

        // Fire callbacks that are put on hold until after the redraw
        each(afterRedraw, function (callback) {
                callback.call();
        });
},

/**
 * Get an axis, series or point object by id.
 * @param id {String} The id as given in the configuration options
 */
get: function (id) {
        var chart = this,
                axes = chart.axes,
                series = chart.series;

        var i,
                j,
                points;

        // search axes
        for (i = 0; i < axes.length; i++) {
                if (axes[i].options.id === id) {
                        return axes[i];
                }
        }

        // search series
        for (i = 0; i < series.length; i++) {
                if (series[i].options.id === id) {
                        return series[i];
                }
        }

        // search points
        for (i = 0; i < series.length; i++) {
                points = series[i].points || [];
                for (j = 0; j < points.length; j++) {
                        if (points[j].id === id) {
                                return points[j];
                        }
                }
        }
        return null;
},

/**
 * Create the Axis instances based on the config options
 */
getAxes: function () {
        var chart = this,
                options = this.options,
                xAxisOptions = options.xAxis = splat(options.xAxis || {}),
                yAxisOptions = options.yAxis = splat(options.yAxis || {}),
                optionsArray,
                axis;

        // make sure the options are arrays and add some members
        each(xAxisOptions, function (axis, i) {
                axis.index = i;
                axis.isX = true;
        });

        each(yAxisOptions, function (axis, i) {
                axis.index = i;
        });

        // concatenate all axis options into one array
        optionsArray = xAxisOptions.concat(yAxisOptions);

        each(optionsArray, function (axisOptions) {
                axis = new Axis(chart, axisOptions);
        });

        chart.adjustTickAmounts();
},

/**
 * Get the currently selected points from all series
 */
getSelectedPoints: function () {
        var points = [];
        each(this.series, function (serie) {
                points = points.concat(grep(serie.points || [], function (point) {
                        return point.selected;
                }));
        });
        return points;
},

/**
 * Get the currently selected series
 */
getSelectedSeries: function () {
        return grep(this.series, function (serie) {
                return serie.selected;
        });
},

/**
 * Generate stacks for each series and calculate stacks total values
 */
getStacks: function () {
        var chart = this;

        // reset stacks for each yAxis
        each(chart.yAxis, function (axis) {
                if (axis.stacks && axis.hasVisibleSeries) {
                        axis.oldStacks = axis.stacks;
                }
        });

        each(chart.series, function (series) {
                if (series.options.stacking && (series.visible === true || chart.options.chart.ignoreHiddenSeries === false)) {
                        series.stackKey = series.type + pick(series.options.stack, '');
                }
        });
},      

/**
 * Show the title and subtitle of the chart
 *
 * @param titleOptions {Object} New title options
 * @param subtitleOptions {Object} New subtitle options
 *
 */
setTitle: function (titleOptions, subtitleOptions, redraw) {
        var chart = this,
                options = chart.options,
                chartTitleOptions,
                chartSubtitleOptions;

        chartTitleOptions = options.title = merge(options.title, titleOptions);
        chartSubtitleOptions = options.subtitle = merge(options.subtitle, subtitleOptions);

        // add title and subtitle
        each([
                ['title', titleOptions, chartTitleOptions],
                ['subtitle', subtitleOptions, chartSubtitleOptions]
        ], function (arr) {
                var name = arr[0],
                        title = chart[name],
                        titleOptions = arr[1],
                        chartTitleOptions = arr[2];

                if (title && titleOptions) {
                        chart[name] = title = title.destroy(); // remove old
                }

                if (chartTitleOptions && chartTitleOptions.text && !title) {
                        chart[name] = chart.renderer.text(
                                chartTitleOptions.text,
                                0,
                                0,
                                chartTitleOptions.useHTML
                        )
                        .attr({
                                align: chartTitleOptions.align,
                                'class': PREFIX + name,
                                zIndex: chartTitleOptions.zIndex || 4
                        })
                        .css(chartTitleOptions.style)
                        .add();
                }       
        });
        chart.layOutTitles(redraw);
},

/**
 * Lay out the chart titles and cache the full offset height for use in getMargins
 */
layOutTitles: function (redraw) {
        var titleOffset = 0,
                title = this.title,
                subtitle = this.subtitle,
                options = this.options,
                titleOptions = options.title,
                subtitleOptions = options.subtitle,
                requiresDirtyBox,
                autoWidth = this.spacingBox.width - 44; // 44 makes room for default context button

        if (title) {
                title
                        .css({ width: (titleOptions.width || autoWidth) + PX })
                        .align(extend({ y: 15 }, titleOptions), false, 'spacingBox');

                if (!titleOptions.floating && !titleOptions.verticalAlign) {
                        titleOffset = title.getBBox().height;
                }
        }
        if (subtitle) {
                subtitle
                        .css({ width: (subtitleOptions.width || autoWidth) + PX })
                        .align(extend({ y: titleOffset + titleOptions.margin }, subtitleOptions), false, 'spacingBox');

                if (!subtitleOptions.floating && !subtitleOptions.verticalAlign) {
                        titleOffset = mathCeil(titleOffset + subtitle.getBBox().height);
                }
        }

        requiresDirtyBox = this.titleOffset !== titleOffset;                            
        this.titleOffset = titleOffset; // used in getMargins

        if (!this.isDirtyBox && requiresDirtyBox) {
                this.isDirtyBox = requiresDirtyBox;
                // Redraw if necessary (#2719, #2744)           
                if (this.hasRendered && pick(redraw, true) && this.isDirtyBox) {
                        this.redraw();
                }
        }
},

/**
 * Get chart width and height according to options and container size
 */
getChartSize: function () {
        var chart = this,
                optionsChart = chart.options.chart,
                widthOption = optionsChart.width,
                heightOption = optionsChart.height,
                renderTo = chart.renderToClone || chart.renderTo;

        // get inner width and height from jQuery (#824)
        if (!defined(widthOption)) {
                chart.containerWidth = adapterRun(renderTo, 'width');
        }
        if (!defined(heightOption)) {
                chart.containerHeight = adapterRun(renderTo, 'height');
        }

        chart.chartWidth = mathMax(0, widthOption || chart.containerWidth || 600); // #1393, 1460
        chart.chartHeight = mathMax(0, pick(heightOption,
                // the offsetHeight of an empty container is 0 in standard browsers, but 19 in IE7:
                chart.containerHeight > 19 ? chart.containerHeight : 400));
},

/**
 * Create a clone of the chart's renderTo div and place it outside the viewport to allow
 * size computation on chart.render and chart.redraw
 */
cloneRenderTo: function (revert) {
        var clone = this.renderToClone,
                container = this.container;

        // Destroy the clone and bring the container back to the real renderTo div
        if (revert) {
                if (clone) {
                        this.renderTo.appendChild(container);
                        discardElement(clone);
                        delete this.renderToClone;
                }

        // Set up the clone
        } else {
                if (container && container.parentNode === this.renderTo) {
                        this.renderTo.removeChild(container); // do not clone this
                }
                this.renderToClone = clone = this.renderTo.cloneNode(0);
                css(clone, {
                        position: ABSOLUTE,
                        top: '-9999px',
                        display: 'block' // #833
                });
                if (clone.style.setProperty) { // #2631
                        clone.style.setProperty('display', 'block', 'important');
                }
                doc.body.appendChild(clone);
                if (container) {
                        clone.appendChild(container);
                }
        }
},

/**
 * Get the containing element, determine the size and create the inner container
 * div to hold the chart
 */
getContainer: function () {
        var chart = this,
                container,
                optionsChart = chart.options.chart,
                chartWidth,
                chartHeight,
                renderTo,
                indexAttrName = 'data-highcharts-chart',
                oldChartIndex,
                containerId;

        chart.renderTo = renderTo = optionsChart.renderTo;
        containerId = PREFIX + idCounter++;

        if (isString(renderTo)) {
                chart.renderTo = renderTo = doc.getElementById(renderTo);
        }

        // Display an error if the renderTo is wrong
        if (!renderTo) {
                error(13, true);
        }

        // If the container already holds a chart, destroy it. The check for hasRendered is there
        // because web pages that are saved to disk from the browser, will preserve the data-highcharts-chart
        // attribute and the SVG contents, but not an interactive chart. So in this case,
        // charts[oldChartIndex] will point to the wrong chart if any (#2609).
        oldChartIndex = pInt(attr(renderTo, indexAttrName));
        if (!isNaN(oldChartIndex) && charts[oldChartIndex] && charts[oldChartIndex].hasRendered) {
                charts[oldChartIndex].destroy();
        }               

        // Make a reference to the chart from the div
        attr(renderTo, indexAttrName, chart.index);

        // remove previous chart
        renderTo.innerHTML = '';

        // If the container doesn't have an offsetWidth, it has or is a child of a node
        // that has display:none. We need to temporarily move it out to a visible
        // state to determine the size, else the legend and tooltips won't render
        // properly. The allowClone option is used in sparklines as a micro optimization,
        // saving about 1-2 ms each chart.
        if (!optionsChart.skipClone && !renderTo.offsetWidth) {
                chart.cloneRenderTo();
        }

        // get the width and height
        chart.getChartSize();
        chartWidth = chart.chartWidth;
        chartHeight = chart.chartHeight;

        // create the inner container
        chart.container = container = createElement(DIV, {
                        className: PREFIX + 'container' +
                                (optionsChart.className ? ' ' + optionsChart.className : ''),
                        id: containerId
                }, extend({
                        position: RELATIVE,
                        overflow: HIDDEN, // needed for context menu (avoid scrollbars) and
                                // content overflow in IE
                        width: chartWidth + PX,
                        height: chartHeight + PX,
                        textAlign: 'left',
                        lineHeight: 'normal', // #427
                        zIndex: 0, // #1072
                        '-webkit-tap-highlight-color': 'rgba(0,0,0,0)'
                }, optionsChart.style),
                chart.renderToClone || renderTo
        );

        // cache the cursor (#1650)
        chart._cursor = container.style.cursor;

        // Initialize the renderer
        chart.renderer =
                optionsChart.forExport ? // force SVG, used for SVG export
                        new SVGRenderer(container, chartWidth, chartHeight, optionsChart.style, true) :
                        new Renderer(container, chartWidth, chartHeight, optionsChart.style);

        if (useCanVG) {
                // If we need canvg library, extend and configure the renderer
                // to get the tracker for translating mouse events
                chart.renderer.create(chart, container, chartWidth, chartHeight);
        }
},

/**
 * Calculate margins by rendering axis labels in a preliminary position. Title,
 * subtitle and legend have already been rendered at this stage, but will be
 * moved into their final positions
 */
getMargins: function () {
        var chart = this,
                spacing = chart.spacing,
                axisOffset,
                legend = chart.legend,
                margin = chart.margin,
                legendOptions = chart.options.legend,
                legendMargin = pick(legendOptions.margin, 20),
                legendX = legendOptions.x,
                legendY = legendOptions.y,
                align = legendOptions.align,
                verticalAlign = legendOptions.verticalAlign,
                titleOffset = chart.titleOffset;

        chart.resetMargins();
        axisOffset = chart.axisOffset;

        // Adjust for title and subtitle
        if (titleOffset && !defined(margin[0])) {
                chart.plotTop = mathMax(chart.plotTop, titleOffset + chart.options.title.margin + spacing[0]);
        }

        // Adjust for legend
        if (legend.display && !legendOptions.floating) {
                if (align === 'right') { // horizontal alignment handled first
                        if (!defined(margin[1])) {
                                chart.marginRight = mathMax(
                                        chart.marginRight,
                                        legend.legendWidth - legendX + legendMargin + spacing[1]
                                );
                        }
                } else if (align === 'left') {
                        if (!defined(margin[3])) {
                                chart.plotLeft = mathMax(
                                        chart.plotLeft,
                                        legend.legendWidth + legendX + legendMargin + spacing[3]
                                );
                        }

                } else if (verticalAlign === 'top') {
                        if (!defined(margin[0])) {
                                chart.plotTop = mathMax(
                                        chart.plotTop,
                                        legend.legendHeight + legendY + legendMargin + spacing[0]
                                );
                        }

                } else if (verticalAlign === 'bottom') {
                        if (!defined(margin[2])) {
                                chart.marginBottom = mathMax(
                                        chart.marginBottom,
                                        legend.legendHeight - legendY + legendMargin + spacing[2]
                                );
                        }
                }
        }

        // adjust for scroller
        if (chart.extraBottomMargin) {
                chart.marginBottom += chart.extraBottomMargin;
        }
        if (chart.extraTopMargin) {
                chart.plotTop += chart.extraTopMargin;
        }

        // pre-render axes to get labels offset width
        if (chart.hasCartesianSeries) {
                each(chart.axes, function (axis) {
                        axis.getOffset();
                });
        }

        if (!defined(margin[3])) {
                chart.plotLeft += axisOffset[3];
        }
        if (!defined(margin[0])) {
                chart.plotTop += axisOffset[0];
        }
        if (!defined(margin[2])) {
                chart.marginBottom += axisOffset[2];
        }
        if (!defined(margin[1])) {
                chart.marginRight += axisOffset[1];
        }

        chart.setChartSize();

},

/**
 * Resize the chart to its container if size is not explicitly set
 */
reflow: function (e) {
        var chart = this,
                optionsChart = chart.options.chart,
                renderTo = chart.renderTo,
                width = optionsChart.width || adapterRun(renderTo, 'width'),
                height = optionsChart.height || adapterRun(renderTo, 'height'),
                target = e ? e.target : win, // #805 - MooTools doesn't supply e
                doReflow = function () {
                        if (chart.container) { // It may have been destroyed in the meantime (#1257)
                                chart.setSize(width, height, false);
                                chart.hasUserSize = null;
                        }
                };

        // Width and height checks for display:none. Target is doc in IE8 and Opera,
        // win in Firefox, Chrome and IE9.
        if (!chart.hasUserSize && width && height && (target === win || target === doc)) {
                if (width !== chart.containerWidth || height !== chart.containerHeight) {
                        clearTimeout(chart.reflowTimeout);
                        if (e) { // Called from window.resize
                                chart.reflowTimeout = setTimeout(doReflow, 100);
                        } else { // Called directly (#2224)
                                doReflow();
                        }
                }
                chart.containerWidth = width;
                chart.containerHeight = height;
        }
},

/**
 * Add the event handlers necessary for auto resizing
 */
initReflow: function () {
        var chart = this,
                reflow = function (e) {
                        chart.reflow(e);
                };

        addEvent(win, 'resize', reflow);
        addEvent(chart, 'destroy', function () {
                removeEvent(win, 'resize', reflow);
        });
},

/**
 * Resize the chart to a given width and height
 * @param {Number} width
 * @param {Number} height
 * @param {Object|Boolean} animation
 */
setSize: function (width, height, animation) {
        var chart = this,
                chartWidth,
                chartHeight,
                fireEndResize;

        // Handle the isResizing counter
        chart.isResizing += 1;
        fireEndResize = function () {
                if (chart) {
                        fireEvent(chart, 'endResize', null, function () {
                                chart.isResizing -= 1;
                        });
                }
        };

        // set the animation for the current process
        setAnimation(animation, chart);

        chart.oldChartHeight = chart.chartHeight;
        chart.oldChartWidth = chart.chartWidth;
        if (defined(width)) {
                chart.chartWidth = chartWidth = mathMax(0, mathRound(width));
                chart.hasUserSize = !!chartWidth;
        }
        if (defined(height)) {
                chart.chartHeight = chartHeight = mathMax(0, mathRound(height));
        }

        // Resize the container with the global animation applied if enabled (#2503)
        (globalAnimation ? animate : css)(chart.container, {
                width: chartWidth + PX,
                height: chartHeight + PX
        }, globalAnimation);

        chart.setChartSize(true);
        chart.renderer.setSize(chartWidth, chartHeight, animation);

        // handle axes
        chart.maxTicks = null;
        each(chart.axes, function (axis) {
                axis.isDirty = true;
                axis.setScale();
        });

        // make sure non-cartesian series are also handled
        each(chart.series, function (serie) {
                serie.isDirty = true;
        });

        chart.isDirtyLegend = true; // force legend redraw
        chart.isDirtyBox = true; // force redraw of plot and chart border

        chart.layOutTitles(); // #2857
        chart.getMargins();

        chart.redraw(animation);

        chart.oldChartHeight = null;
        fireEvent(chart, 'resize');

        // fire endResize and set isResizing back
        // If animation is disabled, fire without delay
        if (globalAnimation === false) {
                fireEndResize();
        } else { // else set a timeout with the animation duration
                setTimeout(fireEndResize, (globalAnimation && globalAnimation.duration) || 500);
        }
},

/**
 * Set the public chart properties. This is done before and after the pre-render
 * to determine margin sizes
 */
setChartSize: function (skipAxes) {
        var chart = this,
                inverted = chart.inverted,
                renderer = chart.renderer,
                chartWidth = chart.chartWidth,
                chartHeight = chart.chartHeight,
                optionsChart = chart.options.chart,
                spacing = chart.spacing,
                clipOffset = chart.clipOffset,
                clipX,
                clipY,
                plotLeft,
                plotTop,
                plotWidth,
                plotHeight,
                plotBorderWidth;

        chart.plotLeft = plotLeft = mathRound(chart.plotLeft);
        chart.plotTop = plotTop = mathRound(chart.plotTop);
        chart.plotWidth = plotWidth = mathMax(0, mathRound(chartWidth - plotLeft - chart.marginRight));
        chart.plotHeight = plotHeight = mathMax(0, mathRound(chartHeight - plotTop - chart.marginBottom));

        chart.plotSizeX = inverted ? plotHeight : plotWidth;
        chart.plotSizeY = inverted ? plotWidth : plotHeight;

        chart.plotBorderWidth = optionsChart.plotBorderWidth || 0;

        // Set boxes used for alignment
        chart.spacingBox = renderer.spacingBox = {
                x: spacing[3],
                y: spacing[0],
                width: chartWidth - spacing[3] - spacing[1],
                height: chartHeight - spacing[0] - spacing[2]
        };
        chart.plotBox = renderer.plotBox = {
                x: plotLeft,
                y: plotTop,
                width: plotWidth,
                height: plotHeight
        };

        plotBorderWidth = 2 * mathFloor(chart.plotBorderWidth / 2);
        clipX = mathCeil(mathMax(plotBorderWidth, clipOffset[3]) / 2);
        clipY = mathCeil(mathMax(plotBorderWidth, clipOffset[0]) / 2);
        chart.clipBox = {
                x: clipX, 
                y: clipY, 
                width: mathFloor(chart.plotSizeX - mathMax(plotBorderWidth, clipOffset[1]) / 2 - clipX), 
                height: mathFloor(chart.plotSizeY - mathMax(plotBorderWidth, clipOffset[2]) / 2 - clipY)
        };

        if (!skipAxes) {
                each(chart.axes, function (axis) {
                        axis.setAxisSize();
                        axis.setAxisTranslation();
                });
        }
},

/**
 * Initial margins before auto size margins are applied
 */
resetMargins: function () {
        var chart = this,
                spacing = chart.spacing,
                margin = chart.margin;

        chart.plotTop = pick(margin[0], spacing[0]);
        chart.marginRight = pick(margin[1], spacing[1]);
        chart.marginBottom = pick(margin[2], spacing[2]);
        chart.plotLeft = pick(margin[3], spacing[3]);
        chart.axisOffset = [0, 0, 0, 0]; // top, right, bottom, left
        chart.clipOffset = [0, 0, 0, 0];
},

/**
 * Draw the borders and backgrounds for chart and plot area
 */
drawChartBox: function () {
        var chart = this,
                optionsChart = chart.options.chart,
                renderer = chart.renderer,
                chartWidth = chart.chartWidth,
                chartHeight = chart.chartHeight,
                chartBackground = chart.chartBackground,
                plotBackground = chart.plotBackground,
                plotBorder = chart.plotBorder,
                plotBGImage = chart.plotBGImage,
                chartBorderWidth = optionsChart.borderWidth || 0,
                chartBackgroundColor = optionsChart.backgroundColor,
                plotBackgroundColor = optionsChart.plotBackgroundColor,
                plotBackgroundImage = optionsChart.plotBackgroundImage,
                plotBorderWidth = optionsChart.plotBorderWidth || 0,
                mgn,
                bgAttr,
                plotLeft = chart.plotLeft,
                plotTop = chart.plotTop,
                plotWidth = chart.plotWidth,
                plotHeight = chart.plotHeight,
                plotBox = chart.plotBox,
                clipRect = chart.clipRect,
                clipBox = chart.clipBox;

        // Chart area
        mgn = chartBorderWidth + (optionsChart.shadow ? 8 : 0);

        if (chartBorderWidth || chartBackgroundColor) {
                if (!chartBackground) {

                        bgAttr = {
                                fill: chartBackgroundColor || NONE
                        };
                        if (chartBorderWidth) { // #980
                                bgAttr.stroke = optionsChart.borderColor;
                                bgAttr['stroke-width'] = chartBorderWidth;
                        }
                        chart.chartBackground = renderer.rect(mgn / 2, mgn / 2, chartWidth - mgn, chartHeight - mgn,
                                        optionsChart.borderRadius, chartBorderWidth)
                                .attr(bgAttr)
                                .addClass(PREFIX + 'background')
                                .add()
                                .shadow(optionsChart.shadow);

                } else { // resize
                        chartBackground.animate(
                                chartBackground.crisp({ width: chartWidth - mgn, height: chartHeight - mgn })
                        );
                }
        }

        // Plot background
        if (plotBackgroundColor) {
                if (!plotBackground) {
                        chart.plotBackground = renderer.rect(plotLeft, plotTop, plotWidth, plotHeight, 0)
                                .attr({
                                        fill: plotBackgroundColor
                                })
                                .add()
                                .shadow(optionsChart.plotShadow);
                } else {
                        plotBackground.animate(plotBox);
                }
        }
        if (plotBackgroundImage) {
                if (!plotBGImage) {
                        chart.plotBGImage = renderer.image(plotBackgroundImage, plotLeft, plotTop, plotWidth, plotHeight)
                                .add();
                } else {
                        plotBGImage.animate(plotBox);
                }
        }

        // Plot clip
        if (!clipRect) {
                chart.clipRect = renderer.clipRect(clipBox);
        } else {
                clipRect.animate({
                        width: clipBox.width,
                        height: clipBox.height
                });
        }

        // Plot area border
        if (plotBorderWidth) {
                if (!plotBorder) {
                        chart.plotBorder = renderer.rect(plotLeft, plotTop, plotWidth, plotHeight, 0, -plotBorderWidth)
                                .attr({
                                        stroke: optionsChart.plotBorderColor,
                                        'stroke-width': plotBorderWidth,
                                        fill: NONE,
                                        zIndex: 1
                                })
                                .add();
                } else {
                        plotBorder.animate(
                                plotBorder.crisp({ x: plotLeft, y: plotTop, width: plotWidth, height: plotHeight })
                        );
                }
        }

        // reset
        chart.isDirtyBox = false;
},

/**
 * Detect whether a certain chart property is needed based on inspecting its options
 * and series. This mainly applies to the chart.invert property, and in extensions to 
 * the chart.angular and chart.polar properties.
 */
propFromSeries: function () {
        var chart = this,
                optionsChart = chart.options.chart,
                klass,
                seriesOptions = chart.options.series,
                i,
                value;

        each(['inverted', 'angular', 'polar'], function (key) {

                // The default series type's class
                klass = seriesTypes[optionsChart.type || optionsChart.defaultSeriesType];

                // Get the value from available chart-wide properties
                value = (
                        chart[key] || // 1. it is set before
                        optionsChart[key] || // 2. it is set in the options
                        (klass && klass.prototype[key]) // 3. it's default series class requires it
                );

                // 4. Check if any the chart's series require it
                i = seriesOptions && seriesOptions.length;
                while (!value && i--) {
                        klass = seriesTypes[seriesOptions[i].type];
                        if (klass && klass.prototype[key]) {
                                value = true;
                        }
                }

                // Set the chart property
                chart[key] = value;     
        });

},

/**
 * Link two or more series together. This is done initially from Chart.render,
 * and after Chart.addSeries and Series.remove.
 */
linkSeries: function () {
        var chart = this,
                chartSeries = chart.series;

        // Reset links
        each(chartSeries, function (series) {
                series.linkedSeries.length = 0;
        });

        // Apply new links
        each(chartSeries, function (series) {
                var linkedTo = series.options.linkedTo;
                if (isString(linkedTo)) {
                        if (linkedTo === ':previous') {
                                linkedTo = chart.series[series.index - 1];
                        } else {
                                linkedTo = chart.get(linkedTo);
                        }
                        if (linkedTo) {
                                linkedTo.linkedSeries.push(series);
                                series.linkedParent = linkedTo;
                        }
                }
        });
},

/**
 * Render series for the chart
 */
renderSeries: function () {
        each(this.series, function (serie) {
                serie.translate();
                if (serie.setTooltipPoints) {
                        serie.setTooltipPoints();
                }
                serie.render();
        });
},

/**
 * Render all graphics for the chart
 */
render: function () {
        var chart = this,
                axes = chart.axes,
                renderer = chart.renderer,
                options = chart.options;

        var labels = options.labels,
                credits = options.credits,
                creditsHref;

        // Title
        chart.setTitle();

        // Legend
        chart.legend = new Legend(chart, options.legend);

        chart.getStacks(); // render stacks

        // Get margins by pre-rendering axes
        // set axes scales
        each(axes, function (axis) {
                axis.setScale();
        });

        chart.getMargins();

        chart.maxTicks = null; // reset for second pass
        each(axes, function (axis) {
                axis.setTickPositions(true); // update to reflect the new margins
                axis.setMaxTicks();
        });
        chart.adjustTickAmounts();
        chart.getMargins(); // second pass to check for new labels

        // Draw the borders and backgrounds
        chart.drawChartBox();           

        // Axes
        if (chart.hasCartesianSeries) {
                each(axes, function (axis) {
                        axis.render();
                });
        }

        // The series
        if (!chart.seriesGroup) {
                chart.seriesGroup = renderer.g('series-group')
                        .attr({ zIndex: 3 })
                        .add();
        }
        chart.renderSeries();

        // Labels
        if (labels.items) {
                each(labels.items, function (label) {
                        var style = extend(labels.style, label.style),
                                x = pInt(style.left) + chart.plotLeft,
                                y = pInt(style.top) + chart.plotTop + 12;

                        // delete to prevent rewriting in IE
                        delete style.left;
                        delete style.top;

                        renderer.text(
                                label.html,
                                x,
                                y
                        )
                        .attr({ zIndex: 2 })
                        .css(style)
                        .add();

                });
        }

        // Credits
        if (credits.enabled && !chart.credits) {
                creditsHref = credits.href;
                chart.credits = renderer.text(
                        credits.text,
                        0,
                        0
                )
                .on('click', function () {
                        if (creditsHref) {
                                location.href = creditsHref;
                        }
                })
                .attr({
                        align: credits.position.align,
                        zIndex: 8
                })
                .css(credits.style)
                .add()
                .align(credits.position);
        }

        // Set flag
        chart.hasRendered = true;

},

/**
 * Clean up memory usage
 */
destroy: function () {
        var chart = this,
                axes = chart.axes,
                series = chart.series,
                container = chart.container,
                i,
                parentNode = container && container.parentNode;

        // fire the chart.destoy event
        fireEvent(chart, 'destroy');

        // Delete the chart from charts lookup array
        charts[chart.index] = UNDEFINED;
        chartCount--;
        chart.renderTo.removeAttribute('data-highcharts-chart');

        // remove events
        removeEvent(chart);

        // ==== Destroy collections:
        // Destroy axes
        i = axes.length;
        while (i--) {
                axes[i] = axes[i].destroy();
        }

        // Destroy each series
        i = series.length;
        while (i--) {
                series[i] = series[i].destroy();
        }

        // ==== Destroy chart properties:
        each(['title', 'subtitle', 'chartBackground', 'plotBackground', 'plotBGImage', 
                        'plotBorder', 'seriesGroup', 'clipRect', 'credits', 'pointer', 'scroller', 
                        'rangeSelector', 'legend', 'resetZoomButton', 'tooltip', 'renderer'], function (name) {
                var prop = chart[name];

                if (prop && prop.destroy) {
                        chart[name] = prop.destroy();
                }
        });

        // remove container and all SVG
        if (container) { // can break in IE when destroyed before finished loading
                container.innerHTML = '';
                removeEvent(container);
                if (parentNode) {
                        discardElement(container);
                }

        }

        // clean it all up
        for (i in chart) {
                delete chart[i];
        }

},

/**
 * VML namespaces can't be added until after complete. Listening
 * for Perini's doScroll hack is not enough.
 */
isReadyToRender: function () {
        var chart = this;

        // Note: in spite of JSLint's complaints, win == win.top is required
        /*jslint eqeq: true*/
        if ((!hasSVG && (win == win.top && doc.readyState !== 'complete')) || (useCanVG && !win.canvg)) {
        /*jslint eqeq: false*/
                if (useCanVG) {
                        // Delay rendering until canvg library is downloaded and ready
                        CanVGController.push(function () { chart.firstRender(); }, chart.options.global.canvasToolsURL);
                } else {
                        doc.attachEvent('onreadystatechange', function () {
                                doc.detachEvent('onreadystatechange', chart.firstRender);
                                if (doc.readyState === 'complete') {
                                        chart.firstRender();
                                }
                        });
                }
                return false;
        }
        return true;
},

/**
 * Prepare for first rendering after all data are loaded
 */
firstRender: function () {
        var chart = this,
                options = chart.options,
                callback = chart.callback;

        // Check whether the chart is ready to render
        if (!chart.isReadyToRender()) {
                return;
        }

        // Create the container
        chart.getContainer();

        // Run an early event after the container and renderer are established
        fireEvent(chart, 'init');

        chart.resetMargins();
        chart.setChartSize();

        // Set the common chart properties (mainly invert) from the given series
        chart.propFromSeries();

        // get axes
        chart.getAxes();

        // Initialize the series
        each(options.series || [], function (serieOptions) {
                chart.initSeries(serieOptions);
        });

        chart.linkSeries();

        // Run an event after axes and series are initialized, but before render. At this stage,
        // the series data is indexed and cached in the xData and yData arrays, so we can access
        // those before rendering. Used in Highstock. 
        fireEvent(chart, 'beforeRender'); 

        // depends on inverted and on margins being set
        if (Highcharts.Pointer) {
                chart.pointer = new Pointer(chart, options);
        }

        chart.render();

        // add canvas
        chart.renderer.draw();
        // run callbacks
        if (callback) {
                callback.apply(chart, [chart]);
        }
        each(chart.callbacks, function (fn) {
                fn.apply(chart, [chart]);
        });

        // If the chart was rendered outside the top container, put it back in
        chart.cloneRenderTo(true);

        fireEvent(chart, 'load');

},

/**
* Creates arrays for spacing and margin from given options.
*/
splashArray: function (target, options) {
        var oVar = options[target],
                tArray = isObject(oVar) ? oVar : [oVar, oVar, oVar, oVar];

        return [pick(options[target + 'Top'], tArray[0]),
                        pick(options[target + 'Right'], tArray[1]),
                        pick(options[target + 'Bottom'], tArray[2]),
                        pick(options[target + 'Left'], tArray[3])];
}

}; // end Chart

// Hook for exporting module Chart.prototype.callbacks = [];

var CenteredSeriesMixin = Highcharts.CenteredSeriesMixin = {

/**
 * Get the center of the pie based on the size and center options relative to the  
 * plot area. Borrowed by the polar and gauge series types.
 */
getCenter: function () {

        var options = this.options,
                chart = this.chart,
                slicingRoom = 2 * (options.slicedOffset || 0),
                handleSlicingRoom,
                plotWidth = chart.plotWidth - 2 * slicingRoom,
                plotHeight = chart.plotHeight - 2 * slicingRoom,
                centerOption = options.center,
                positions = [pick(centerOption[0], '50%'), pick(centerOption[1], '50%'), options.size || '100%', options.innerSize || 0],
                smallestSize = mathMin(plotWidth, plotHeight),
                isPercent;

        return map(positions, function (length, i) {
                isPercent = /%$/.test(length);
                handleSlicingRoom = i < 2 || (i === 2 && isPercent);
                return (isPercent ?
                        // i == 0: centerX, relative to width
                        // i == 1: centerY, relative to height
                        // i == 2: size, relative to smallestSize
                        // i == 4: innerSize, relative to smallestSize
                        [plotWidth, plotHeight, smallestSize, smallestSize][i] *
                                pInt(length) / 100 :
                        length) + (handleSlicingRoom ? slicingRoom : 0);
        });
}

};

/**

* The Point object and prototype. Inheritable and used as base for PiePoint
*/

var Point = function () {}; Point.prototype = {

/**
 * Initialize the point
 * @param {Object} series The series object containing this point
 * @param {Object} options The data in either number, array or object format
 */
init: function (series, options, x) {

        var point = this,
                colors;
        point.series = series;
        point.applyOptions(options, x);
        point.pointAttr = {};

        if (series.options.colorByPoint) {
                colors = series.options.colors || series.chart.options.colors;
                point.color = point.color || colors[series.colorCounter++];
                // loop back to zero
                if (series.colorCounter === colors.length) {
                        series.colorCounter = 0;
                }
        }

        series.chart.pointCount++;
        return point;
},
/**
 * Apply the options containing the x and y data and possible some extra properties.
 * This is called on point init or from point.update.
 *
 * @param {Object} options
 */
applyOptions: function (options, x) {
        var point = this,
                series = point.series,
                pointValKey = series.pointValKey;

        options = Point.prototype.optionsToObject.call(this, options);

        // copy options directly to point
        extend(point, options);
        point.options = point.options ? extend(point.options, options) : options;

        // For higher dimension series types. For instance, for ranges, point.y is mapped to point.low.
        if (pointValKey) {
                point.y = point[pointValKey];
        }

        // If no x is set by now, get auto incremented value. All points must have an
        // x value, however the y value can be null to create a gap in the series
        if (point.x === UNDEFINED && series) {
                point.x = x === UNDEFINED ? series.autoIncrement() : x;
        }

        return point;
},

/**
 * Transform number or array configs into objects
 */
optionsToObject: function (options) {
        var ret = {},
                series = this.series,
                pointArrayMap = series.pointArrayMap || ['y'],
                valueCount = pointArrayMap.length,
                firstItemType,
                i = 0,
                j = 0;

        if (typeof options === 'number' || options === null) {
                ret[pointArrayMap[0]] = options;

        } else if (isArray(options)) {
                // with leading x value
                if (options.length > valueCount) {
                        firstItemType = typeof options[0];
                        if (firstItemType === 'string') {
                                ret.name = options[0];
                        } else if (firstItemType === 'number') {
                                ret.x = options[0];
                        }
                        i++;
                }
                while (j < valueCount) {
                        ret[pointArrayMap[j++]] = options[i++];
                }
        } else if (typeof options === 'object') {
                ret = options;

                // This is the fastest way to detect if there are individual point dataLabels that need
                // to be considered in drawDataLabels. These can only occur in object configs.
                if (options.dataLabels) {
                        series._hasPointLabels = true;
                }

                // Same approach as above for markers
                if (options.marker) {
                        series._hasPointMarkers = true;
                }
        }
        return ret;
},

/**
 * Destroy a point to clear memory. Its reference still stays in series.data.
 */
destroy: function () {
        var point = this,
                series = point.series,
                chart = series.chart,
                hoverPoints = chart.hoverPoints,
                prop;

        chart.pointCount--;

        if (hoverPoints) {
                point.setState();
                erase(hoverPoints, point);
                if (!hoverPoints.length) {
                        chart.hoverPoints = null;
                }

        }
        if (point === chart.hoverPoint) {
                point.onMouseOut();
        }

        // remove all events
        if (point.graphic || point.dataLabel) { // removeEvent and destroyElements are performance expensive
                removeEvent(point);
                point.destroyElements();
        }

        if (point.legendItem) { // pies have legend items
                chart.legend.destroyItem(point);
        }

        for (prop in point) {
                point[prop] = null;
        }

},

/**
 * Destroy SVG elements associated with the point
 */
destroyElements: function () {
        var point = this,
                props = ['graphic', 'dataLabel', 'dataLabelUpper', 'group', 'connector', 'shadowGroup'],
                prop,
                i = 6;
        while (i--) {
                prop = props[i];
                if (point[prop]) {
                        point[prop] = point[prop].destroy();
                }
        }
},

/**
 * Return the configuration hash needed for the data label and tooltip formatters
 */
getLabelConfig: function () {
        var point = this;
        return {
                x: point.category,
                y: point.y,
                key: point.name || point.category,
                series: point.series,
                point: point,
                percentage: point.percentage,
                total: point.total || point.stackTotal
        };
},      

/**
 * Extendable method for formatting each point's tooltip line
 *
 * @return {String} A string to be concatenated in to the common tooltip text
 */
tooltipFormatter: function (pointFormat) {

        // Insert options for valueDecimals, valuePrefix, and valueSuffix
        var series = this.series,
                seriesTooltipOptions = series.tooltipOptions,
                valueDecimals = pick(seriesTooltipOptions.valueDecimals, ''),
                valuePrefix = seriesTooltipOptions.valuePrefix || '',
                valueSuffix = seriesTooltipOptions.valueSuffix || '';

        // Loop over the point array map and replace unformatted values with sprintf formatting markup
        each(series.pointArrayMap || ['y'], function (key) {
                key = '{point.' + key; // without the closing bracket
                if (valuePrefix || valueSuffix) {
                        pointFormat = pointFormat.replace(key + '}', valuePrefix + key + '}' + valueSuffix);
                }
                pointFormat = pointFormat.replace(key + '}', key + ':,.' + valueDecimals + 'f}');
        });

        return format(pointFormat, {
                point: this,
                series: this.series
        });
},

/**
 * Fire an event on the Point object. Must not be renamed to fireEvent, as this
 * causes a name clash in MooTools
 * @param {String} eventType
 * @param {Object} eventArgs Additional event arguments
 * @param {Function} defaultFunction Default event handler
 */
firePointEvent: function (eventType, eventArgs, defaultFunction) {
        var point = this,
                series = this.series,
                seriesOptions = series.options;

        // load event handlers on demand to save time on mouseover/out
        if (seriesOptions.point.events[eventType] || (point.options && point.options.events && point.options.events[eventType])) {
                this.importEvents();
        }

        // add default handler if in selection mode
        if (eventType === 'click' && seriesOptions.allowPointSelect) {
                defaultFunction = function (event) {
                        // Control key is for Windows, meta (= Cmd key) for Mac, Shift for Opera
                        point.select(null, event.ctrlKey || event.metaKey || event.shiftKey);
                };
        }

        fireEvent(this, eventType, eventArgs, defaultFunction);
}

};/**

* @classDescription The base function which all other series types inherit from. The data in the series is stored
* in various arrays.
*
* - First, series.options.data contains all the original config options for
* each point whether added by options or methods like series.addPoint.
* - Next, series.data contains those values converted to points, but in case the series data length
* exceeds the cropThreshold, or if the data is grouped, series.data doesn't contain all the points. It
* only contains the points that have been created on demand.
* - Then there's series.points that contains all currently visible point objects. In case of cropping,
* the cropped-away points are not part of this array. The series.points array starts at series.cropStart
* compared to series.data and series.options.data. If however the series data is grouped, these can't
* be correlated one to one.
* - series.xData and series.processedXData contain clean x values, equivalent to series.data and series.points.
* - series.yData and series.processedYData contain clean x values, equivalent to series.data and series.points.
*
* @param {Object} chart
* @param {Object} options
*/

var Series = function () {};

Series.prototype = {

isCartesian: true,
type: 'line',
pointClass: Point,
sorted: true, // requires the data to be sorted
requireSorting: true,
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
        stroke: 'lineColor',
        'stroke-width': 'lineWidth',
        fill: 'fillColor',
        r: 'radius'
},
axisTypes: ['xAxis', 'yAxis'],
colorCounter: 0,
parallelArrays: ['x', 'y'], // each point's x and y values are stored in this.xData and this.yData
init: function (chart, options) {
        var series = this,
                eventType,
                events,
                chartSeries = chart.series,
                sortByIndex = function (a, b) {
                        return pick(a.options.index, a._i) - pick(b.options.index, b._i);
                };

        series.chart = chart;
        series.options = options = series.setOptions(options); // merge with plotOptions
        series.linkedSeries = [];

        // bind the axes
        series.bindAxes();

        // set some variables
        extend(series, {
                name: options.name,
                state: NORMAL_STATE,
                pointAttr: {},
                visible: options.visible !== false, // true by default
                selected: options.selected === true // false by default
        });

        // special
        if (useCanVG) {
                options.animation = false;
        }

        // register event listeners
        events = options.events;
        for (eventType in events) {
                addEvent(series, eventType, events[eventType]);
        }
        if (
                (events && events.click) ||
                (options.point && options.point.events && options.point.events.click) ||
                options.allowPointSelect
        ) {
                chart.runTrackerClick = true;
        }

        series.getColor();
        series.getSymbol();

        // Set the data
        each(series.parallelArrays, function (key) {
                series[key + 'Data'] = [];
        });
        series.setData(options.data, false);

        // Mark cartesian
        if (series.isCartesian) {
                chart.hasCartesianSeries = true;
        }

        // Register it in the chart
        chartSeries.push(series);
        series._i = chartSeries.length - 1;

        // Sort series according to index option (#248, #1123, #2456)
        stableSort(chartSeries, sortByIndex);
        if (this.yAxis) {
                stableSort(this.yAxis.series, sortByIndex);
        }

        each(chartSeries, function (series, i) {
                series.index = i;
                series.name = series.name || 'Series ' + (i + 1);
        });

},

/**
 * Set the xAxis and yAxis properties of cartesian series, and register the series
 * in the axis.series array
 */
bindAxes: function () {
        var series = this,
                seriesOptions = series.options,
                chart = series.chart,
                axisOptions;

        each(series.axisTypes || [], function (AXIS) { // repeat for xAxis and yAxis

                each(chart[AXIS], function (axis) { // loop through the chart's axis objects
                        axisOptions = axis.options;

                        // apply if the series xAxis or yAxis option mathches the number of the
                        // axis, or if undefined, use the first axis
                        if ((seriesOptions[AXIS] === axisOptions.index) ||
                                        (seriesOptions[AXIS] !== UNDEFINED && seriesOptions[AXIS] === axisOptions.id) ||
                                        (seriesOptions[AXIS] === UNDEFINED && axisOptions.index === 0)) {

                                // register this series in the axis.series lookup
                                axis.series.push(series);

                                // set this series.xAxis or series.yAxis reference
                                series[AXIS] = axis;

                                // mark dirty for redraw
                                axis.isDirty = true;
                        }
                });

                // The series needs an X and an Y axis
                if (!series[AXIS] && series.optionalAxis !== AXIS) {
                        error(18, true);
                }

        });
},

/**
 * For simple series types like line and column, the data values are held in arrays like
 * xData and yData for quick lookup to find extremes and more. For multidimensional series
 * like bubble and map, this can be extended with arrays like zData and valueData by
 * adding to the series.parallelArrays array.
 */
updateParallelArrays: function (point, i) {
        var series = point.series,
                args = arguments,
                fn = typeof i === 'number' ?
                         // Insert the value in the given position
                        function (key) {
                                var val = key === 'y' && series.toYData ? series.toYData(point) : point[key];
                                series[key + 'Data'][i] = val;
                        } :
                        // Apply the method specified in i with the following arguments as arguments
                        function (key) {
                                Array.prototype[i].apply(series[key + 'Data'], Array.prototype.slice.call(args, 2));
                        };

        each(series.parallelArrays, fn);
},

/**
 * Return an auto incremented x value based on the pointStart and pointInterval options.
 * This is only used if an x value is not given for the point that calls autoIncrement.
 */
autoIncrement: function () {
        var series = this,
                options = series.options,
                xIncrement = series.xIncrement;

        xIncrement = pick(xIncrement, options.pointStart, 0);

        series.pointInterval = pick(series.pointInterval, options.pointInterval, 1);

        series.xIncrement = xIncrement + series.pointInterval;
        return xIncrement;
},

/**
 * Divide the series data into segments divided by null values.
 */
getSegments: function () {
        var series = this,
                lastNull = -1,
                segments = [],
                i,
                points = series.points,
                pointsLength = points.length;

        if (pointsLength) { // no action required for []

                // if connect nulls, just remove null points
                if (series.options.connectNulls) {
                        i = pointsLength;
                        while (i--) {
                                if (points[i].y === null) {
                                        points.splice(i, 1);
                                }
                        }
                        if (points.length) {
                                segments = [points];
                        }

                // else, split on null points
                } else {
                        each(points, function (point, i) {
                                if (point.y === null) {
                                        if (i > lastNull + 1) {
                                                segments.push(points.slice(lastNull + 1, i));
                                        }
                                        lastNull = i;
                                } else if (i === pointsLength - 1) { // last value
                                        segments.push(points.slice(lastNull + 1, i + 1));
                                }
                        });
                }
        }

        // register it
        series.segments = segments;
},

/**
 * Set the series options by merging from the options tree
 * @param {Object} itemOptions
 */
setOptions: function (itemOptions) {
        var chart = this.chart,
                chartOptions = chart.options,
                plotOptions = chartOptions.plotOptions,
                userOptions = chart.userOptions || {},
                userPlotOptions = userOptions.plotOptions || {},
                typeOptions = plotOptions[this.type],
                options;

        this.userOptions = itemOptions;

        options = merge(
                typeOptions,
                plotOptions.series,
                itemOptions
        );

        // The tooltip options are merged between global and series specific options
        this.tooltipOptions = merge(
                defaultOptions.tooltip,
                defaultOptions.plotOptions[this.type].tooltip,
                userOptions.tooltip,
                userPlotOptions.series && userPlotOptions.series.tooltip,
                userPlotOptions[this.type] && userPlotOptions[this.type].tooltip,
                itemOptions.tooltip
        );

        // Delete marker object if not allowed (#1125)
        if (typeOptions.marker === null) {
                delete options.marker;
        }

        return options;

},
/**
 * Get the series' color
 */
getColor: function () {
        var options = this.options,
                userOptions = this.userOptions,
                defaultColors = this.chart.options.colors,
                counters = this.chart.counters,
                color,
                colorIndex;

        color = options.color || defaultPlotOptions[this.type].color;

        if (!color && !options.colorByPoint) {
                if (defined(userOptions._colorIndex)) { // after Series.update()
                        colorIndex = userOptions._colorIndex;
                } else {
                        userOptions._colorIndex = counters.color;
                        colorIndex = counters.color++;
                }
                color = defaultColors[colorIndex];
        }

        this.color = color;
        counters.wrapColor(defaultColors.length);
},
/**
 * Get the series' symbol
 */
getSymbol: function () {
        var series = this,
                userOptions = series.userOptions,
                seriesMarkerOption = series.options.marker,
                chart = series.chart,
                defaultSymbols = chart.options.symbols,
                counters = chart.counters,
                symbolIndex;

        series.symbol = seriesMarkerOption.symbol;
        if (!series.symbol) {
                if (defined(userOptions._symbolIndex)) { // after Series.update()
                        symbolIndex = userOptions._symbolIndex;
                } else {
                        userOptions._symbolIndex = counters.symbol;
                        symbolIndex = counters.symbol++;
                }
                series.symbol = defaultSymbols[symbolIndex];
        }

        // don't substract radius in image symbols (#604)
        if (/^url/.test(series.symbol)) {
                seriesMarkerOption.radius = 0;
        }
        counters.wrapSymbol(defaultSymbols.length);
},

drawLegendSymbol: LegendSymbolMixin.drawLineMarker,

/**
 * Replace the series data with a new set of data
 * @param {Object} data
 * @param {Object} redraw
 */
setData: function (data, redraw, animation, updatePoints) {
        var series = this,
                oldData = series.points,
                oldDataLength = (oldData && oldData.length) || 0,
                dataLength,
                options = series.options,
                chart = series.chart,
                firstPoint = null,
                xAxis = series.xAxis,
                hasCategories = xAxis && !!xAxis.categories,
                tooltipPoints = series.tooltipPoints,
                i,
                turboThreshold = options.turboThreshold,
                pt,
                xData = this.xData,
                yData = this.yData,
                pointArrayMap = series.pointArrayMap,
                valueCount = pointArrayMap && pointArrayMap.length;

        data = data || [];
        dataLength = data.length;
        redraw = pick(redraw, true);

        // If the point count is the same as is was, just run Point.update which is
        // cheaper, allows animation, and keeps references to points.
        if (updatePoints !== false && dataLength && oldDataLength === dataLength && !series.cropped && !series.hasGroupedData) {
                each(data, function (point, i) {
                        oldData[i].update(point, false);
                });

        } else {

                // Reset properties
                series.xIncrement = null;
                series.pointRange = hasCategories ? 1 : options.pointRange;

                series.colorCounter = 0; // for series with colorByPoint (#1547)

                // Update parallel arrays
                each(this.parallelArrays, function (key) {
                        series[key + 'Data'].length = 0;
                });

                // In turbo mode, only one- or twodimensional arrays of numbers are allowed. The
                // first value is tested, and we assume that all the rest are defined the same
                // way. Although the 'for' loops are similar, they are repeated inside each
                // if-else conditional for max performance.
                if (turboThreshold && dataLength > turboThreshold) {

                        // find the first non-null point
                        i = 0;
                        while (firstPoint === null && i < dataLength) {
                                firstPoint = data[i];
                                i++;
                        }

                        if (isNumber(firstPoint)) { // assume all points are numbers
                                var x = pick(options.pointStart, 0),
                                        pointInterval = pick(options.pointInterval, 1);

                                for (i = 0; i < dataLength; i++) {
                                        xData[i] = x;
                                        yData[i] = data[i];
                                        x += pointInterval;
                                }
                                series.xIncrement = x;
                        } else if (isArray(firstPoint)) { // assume all points are arrays
                                if (valueCount) { // [x, low, high] or [x, o, h, l, c]
                                        for (i = 0; i < dataLength; i++) {
                                                pt = data[i];
                                                xData[i] = pt[0];
                                                yData[i] = pt.slice(1, valueCount + 1);
                                        }
                                } else { // [x, y]
                                        for (i = 0; i < dataLength; i++) {
                                                pt = data[i];
                                                xData[i] = pt[0];
                                                yData[i] = pt[1];
                                        }
                                }
                        } else {
                                error(12); // Highcharts expects configs to be numbers or arrays in turbo mode
                        }
                } else {
                        for (i = 0; i < dataLength; i++) {
                                if (data[i] !== UNDEFINED) { // stray commas in oldIE
                                        pt = { series: series };
                                        series.pointClass.prototype.applyOptions.apply(pt, [data[i]]);
                                        series.updateParallelArrays(pt, i);
                                        if (hasCategories && pt.name) {
                                                xAxis.names[pt.x] = pt.name; // #2046
                                        }
                                }
                        }
                }

                // Forgetting to cast strings to numbers is a common caveat when handling CSV or JSON
                if (isString(yData[0])) {
                        error(14, true);
                }

                series.data = [];
                series.options.data = data;
                //series.zData = zData;

                // destroy old points
                i = oldDataLength;
                while (i--) {
                        if (oldData[i] && oldData[i].destroy) {
                                oldData[i].destroy();
                        }
                }
                if (tooltipPoints) { // #2594
                        tooltipPoints.length = 0;
                }

                // reset minRange (#878)
                if (xAxis) {
                        xAxis.minRange = xAxis.userMinRange;
                }

                // redraw
                series.isDirty = series.isDirtyData = chart.isDirtyBox = true;
                animation = false;
        }

        if (redraw) {
                chart.redraw(animation);
        }
},

/**
 * Process the data by cropping away unused data points if the series is longer
 * than the crop threshold. This saves computing time for lage series.
 */
processData: function (force) {
        var series = this,
                processedXData = series.xData, // copied during slice operation below
                processedYData = series.yData,
                dataLength = processedXData.length,
                croppedData,
                cropStart = 0,
                cropped,
                distance,
                closestPointRange,
                xAxis = series.xAxis,
                i, // loop variable
                options = series.options,
                cropThreshold = options.cropThreshold,
                activePointCount = 0,
                isCartesian = series.isCartesian,
                min,
                max;

        // If the series data or axes haven't changed, don't go through this. Return false to pass
        // the message on to override methods like in data grouping.
        if (isCartesian && !series.isDirty && !xAxis.isDirty && !series.yAxis.isDirty && !force) {
                return false;
        }

        // optionally filter out points outside the plot area
        if (isCartesian && series.sorted && (!cropThreshold || dataLength > cropThreshold || series.forceCrop)) {

                min = xAxis.min;
                max = xAxis.max;

                // it's outside current extremes
                if (processedXData[dataLength - 1] < min || processedXData[0] > max) {
                        processedXData = [];
                        processedYData = [];

                // only crop if it's actually spilling out
                } else if (processedXData[0] < min || processedXData[dataLength - 1] > max) {
                        croppedData = this.cropData(series.xData, series.yData, min, max);
                        processedXData = croppedData.xData;
                        processedYData = croppedData.yData;
                        cropStart = croppedData.start;
                        cropped = true;
                        activePointCount = processedXData.length;
                }
        }

        // Find the closest distance between processed points
        for (i = processedXData.length - 1; i >= 0; i--) {
                distance = processedXData[i] - processedXData[i - 1];

                if (!cropped && processedXData[i] > min && processedXData[i] < max) {
                        activePointCount++;
                }
                if (distance > 0 && (closestPointRange === UNDEFINED || distance < closestPointRange)) {
                        closestPointRange = distance;

                // Unsorted data is not supported by the line tooltip, as well as data grouping and
                // navigation in Stock charts (#725) and width calculation of columns (#1900)
                } else if (distance < 0 && series.requireSorting) {
                        error(15);
                }
        }

        // Record the properties
        series.cropped = cropped; // undefined or true
        series.cropStart = cropStart;
        series.processedXData = processedXData;
        series.processedYData = processedYData;
        series.activePointCount = activePointCount;

        if (options.pointRange === null) { // null means auto, as for columns, candlesticks and OHLC
                series.pointRange = closestPointRange || 1;
        }
        series.closestPointRange = closestPointRange;

},

/**
 * Iterate over xData and crop values between min and max. Returns object containing crop start/end
 * cropped xData with corresponding part of yData, dataMin and dataMax within the cropped range
 */
cropData: function (xData, yData, min, max) {
        var dataLength = xData.length,
                cropStart = 0,
                cropEnd = dataLength,
                cropShoulder = pick(this.cropShoulder, 1), // line-type series need one point outside
                i;

        // iterate up to find slice start
        for (i = 0; i < dataLength; i++) {
                if (xData[i] >= min) {
                        cropStart = mathMax(0, i - cropShoulder);
                        break;
                }
        }

        // proceed to find slice end
        for (; i < dataLength; i++) {
                if (xData[i] > max) {
                        cropEnd = i + cropShoulder;
                        break;
                }
        }

        return {
                xData: xData.slice(cropStart, cropEnd),
                yData: yData.slice(cropStart, cropEnd),
                start: cropStart,
                end: cropEnd
        };
},

/**
 * Generate the data point after the data has been processed by cropping away
 * unused points and optionally grouped in Highcharts Stock.
 */
generatePoints: function () {
        var series = this,
                options = series.options,
                dataOptions = options.data,
                data = series.data,
                dataLength,
                processedXData = series.processedXData,
                processedYData = series.processedYData,
                pointClass = series.pointClass,
                processedDataLength = processedXData.length,
                cropStart = series.cropStart || 0,
                cursor,
                hasGroupedData = series.hasGroupedData,
                point,
                points = [],
                i;

        if (!data && !hasGroupedData) {
                var arr = [];
                arr.length = dataOptions.length;
                data = series.data = arr;
        }

        for (i = 0; i < processedDataLength; i++) {
                cursor = cropStart + i;
                if (!hasGroupedData) {
                        if (data[cursor]) {
                                point = data[cursor];
                        } else if (dataOptions[cursor] !== UNDEFINED) { // #970
                                data[cursor] = point = (new pointClass()).init(series, dataOptions[cursor], processedXData[i]);
                        }
                        points[i] = point;
                } else {
                        // splat the y data in case of ohlc data array
                        points[i] = (new pointClass()).init(series, [processedXData[i]].concat(splat(processedYData[i])));
                }
        }

        // Hide cropped-away points - this only runs when the number of points is above cropThreshold, or when
        // swithching view from non-grouped data to grouped data (#637)
        if (data && (processedDataLength !== (dataLength = data.length) || hasGroupedData)) {
                for (i = 0; i < dataLength; i++) {
                        if (i === cropStart && !hasGroupedData) { // when has grouped data, clear all points
                                i += processedDataLength;
                        }
                        if (data[i]) {
                                data[i].destroyElements();
                                data[i].plotX = UNDEFINED; // #1003
                        }
                }
        }

        series.data = data;
        series.points = points;
},

/**
 * Calculate Y extremes for visible data
 */
getExtremes: function (yData) {
        var xAxis = this.xAxis,
                yAxis = this.yAxis,
                xData = this.processedXData,
                yDataLength,
                activeYData = [],
                activeCounter = 0,
                xExtremes = xAxis.getExtremes(), // #2117, need to compensate for log X axis
                xMin = xExtremes.min,
                xMax = xExtremes.max,
                validValue,
                withinRange,
                dataMin,
                dataMax,
                x,
                y,
                i,
                j;

        yData = yData || this.stackedYData || this.processedYData;
        yDataLength = yData.length;

        for (i = 0; i < yDataLength; i++) {

                x = xData[i];
                y = yData[i];

                // For points within the visible range, including the first point outside the
                // visible range, consider y extremes
                validValue = y !== null && y !== UNDEFINED && (!yAxis.isLog || (y.length || y > 0));
                withinRange = this.getExtremesFromAll || this.cropped || ((xData[i + 1] || x) >= xMin &&
                        (xData[i - 1] || x) <= xMax);

                if (validValue && withinRange) {

                        j = y.length;
                        if (j) { // array, like ohlc or range data
                                while (j--) {
                                        if (y[j] !== null) {
                                                activeYData[activeCounter++] = y[j];
                                        }
                                }
                        } else {
                                activeYData[activeCounter++] = y;
                        }
                }
        }
        this.dataMin = pick(dataMin, arrayMin(activeYData));
        this.dataMax = pick(dataMax, arrayMax(activeYData));
},

/**
 * Translate data points from raw data values to chart specific positioning data
 * needed later in drawPoints, drawGraph and drawTracker.
 */
translate: function () {
        if (!this.processedXData) { // hidden series
                this.processData();
        }
        this.generatePoints();
        var series = this,
                options = series.options,
                stacking = options.stacking,
                xAxis = series.xAxis,
                categories = xAxis.categories,
                yAxis = series.yAxis,
                points = series.points,
                dataLength = points.length,
                hasModifyValue = !!series.modifyValue,
                i,
                pointPlacement = options.pointPlacement,
                dynamicallyPlaced = pointPlacement === 'between' || isNumber(pointPlacement),
                threshold = options.threshold;

        // Translate each point
        for (i = 0; i < dataLength; i++) {
                var point = points[i],
                        xValue = point.x,
                        yValue = point.y,
                        yBottom = point.low,
                        stack = stacking && yAxis.stacks[(series.negStacks && yValue < threshold ? '-' : '') + series.stackKey],
                        pointStack,
                        stackValues;

                // Discard disallowed y values for log axes
                if (yAxis.isLog && yValue <= 0) {
                        point.y = yValue = null;
                }

                // Get the plotX translation
                point.plotX = xAxis.translate(xValue, 0, 0, 0, 1, pointPlacement, this.type === 'flags'); // Math.round fixes #591

                // Calculate the bottom y value for stacked series
                if (stacking && series.visible && stack && stack[xValue]) {

                        pointStack = stack[xValue];
                        stackValues = pointStack.points[series.index + ',' + i];
                        yBottom = stackValues[0];
                        yValue = stackValues[1];

                        if (yBottom === 0) {
                                yBottom = pick(threshold, yAxis.min);
                        }
                        if (yAxis.isLog && yBottom <= 0) { // #1200, #1232
                                yBottom = null;
                        }

                        point.total = point.stackTotal = pointStack.total;
                        point.percentage = pointStack.total && (point.y / pointStack.total * 100);
                        point.stackY = yValue;

                        // Place the stack label
                        pointStack.setOffset(series.pointXOffset || 0, series.barW || 0);

                }

                // Set translated yBottom or remove it
                point.yBottom = defined(yBottom) ?
                        yAxis.translate(yBottom, 0, 1, 0, 1) :
                        null;

                // general hook, used for Highstock compare mode
                if (hasModifyValue) {
                        yValue = series.modifyValue(yValue, point);
                }

                // Set the the plotY value, reset it for redraws
                point.plotY = (typeof yValue === 'number' && yValue !== Infinity) ?
                        //mathRound(yAxis.translate(yValue, 0, 1, 0, 1) * 10) / 10 : // Math.round fixes #591
                        yAxis.translate(yValue, 0, 1, 0, 1) :
                        UNDEFINED;

                // Set client related positions for mouse tracking
                point.clientX = dynamicallyPlaced ? xAxis.translate(xValue, 0, 0, 0, 1) : point.plotX; // #1514

                point.negative = point.y < (threshold || 0);

                // some API data
                point.category = categories && categories[point.x] !== UNDEFINED ?
                        categories[point.x] : point.x;

        }

        // now that we have the cropped data, build the segments
        series.getSegments();
},

/**
 * Animate in the series
 */
animate: function (init) {
        var series = this,
                chart = series.chart,
                renderer = chart.renderer,
                clipRect,
                markerClipRect,
                animation = series.options.animation,
                clipBox = series.clipBox || chart.clipBox,
                inverted = chart.inverted,
                sharedClipKey;

        // Animation option is set to true
        if (animation && !isObject(animation)) {
                animation = defaultPlotOptions[series.type].animation;
        }
        sharedClipKey = ['_sharedClip', animation.duration, animation.easing, clipBox.height].join(',');

        // Initialize the animation. Set up the clipping rectangle.
        if (init) {

                // If a clipping rectangle with the same properties is currently present in the chart, use that.
                clipRect = chart[sharedClipKey];
                markerClipRect = chart[sharedClipKey + 'm'];
                if (!clipRect) {
                        chart[sharedClipKey] = clipRect = renderer.clipRect(
                                extend(clipBox, { width: 0 })
                        );

                        chart[sharedClipKey + 'm'] = markerClipRect = renderer.clipRect(
                                -99, // include the width of the first marker
                                inverted ? -chart.plotLeft : -chart.plotTop,
                                99,
                                inverted ? chart.chartWidth : chart.chartHeight
                        );
                }
                series.group.clip(clipRect);
                series.markerGroup.clip(markerClipRect);
                series.sharedClipKey = sharedClipKey;

        // Run the animation
        } else {
                clipRect = chart[sharedClipKey];
                if (clipRect) {
                        clipRect.animate({
                                width: chart.plotSizeX
                        }, animation);
                }
                if (chart[sharedClipKey + 'm']) {
                        chart[sharedClipKey + 'm'].animate({
                                width: chart.plotSizeX + 99
                        }, animation);
                }

                // Delete this function to allow it only once
                series.animate = null;

        }
},

/**
 * This runs after animation to land on the final plot clipping
 */
afterAnimate: function () {
        var chart = this.chart,
                sharedClipKey = this.sharedClipKey,
                group = this.group,
                clipBox = this.clipBox;

        if (group && this.options.clip !== false) {
                if (!sharedClipKey || !clipBox) {
                        group.clip(clipBox ? chart.renderer.clipRect(clipBox) : chart.clipRect);
                }
                this.markerGroup.clip(); // no clip
        }

        fireEvent(this, 'afterAnimate');

        // Remove the shared clipping rectancgle when all series are shown
        setTimeout(function () {
                if (sharedClipKey && chart[sharedClipKey]) {
                        if (!clipBox) {
                                chart[sharedClipKey] = chart[sharedClipKey].destroy();
                        }
                        if (chart[sharedClipKey + 'm']) {
                                chart[sharedClipKey + 'm'] = chart[sharedClipKey + 'm'].destroy();
                        }
                }
        }, 100);
},

/**
 * Draw the markers
 */
drawPoints: function () {
        var series = this,
                pointAttr,
                points = series.points,
                chart = series.chart,
                plotX,
                plotY,
                i,
                point,
                radius,
                symbol,
                isImage,
                graphic,
                options = series.options,
                seriesMarkerOptions = options.marker,
                seriesPointAttr = series.pointAttr[''],
                pointMarkerOptions,
                enabled,
                isInside,
                markerGroup = series.markerGroup,
                globallyEnabled = pick(
                        seriesMarkerOptions.enabled, 
                        series.activePointCount < (0.5 * series.xAxis.len / seriesMarkerOptions.radius)
                );

        if (seriesMarkerOptions.enabled !== false || series._hasPointMarkers) {

                i = points.length;
                while (i--) {
                        point = points[i];
                        plotX = mathFloor(point.plotX); // #1843
                        plotY = point.plotY;
                        graphic = point.graphic;
                        pointMarkerOptions = point.marker || {};
                        enabled = (globallyEnabled && pointMarkerOptions.enabled === UNDEFINED) || pointMarkerOptions.enabled;
                        isInside = chart.isInsidePlot(mathRound(plotX), plotY, chart.inverted); // #1858

                        // only draw the point if y is defined
                        if (enabled && plotY !== UNDEFINED && !isNaN(plotY) && point.y !== null) {

                                // shortcuts
                                pointAttr = point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE] || seriesPointAttr;
                                radius = pointAttr.r;
                                symbol = pick(pointMarkerOptions.symbol, series.symbol);
                                isImage = symbol.indexOf('url') === 0;

                                if (graphic) { // update
                                        graphic[isInside ? 'show' : 'hide'](true) // Since the marker group isn't clipped, each individual marker must be toggled
                                                .animate(extend({
                                                        x: plotX - radius,
                                                        y: plotY - radius
                                                }, graphic.symbolName ? { // don't apply to image symbols #507
                                                        width: 2 * radius,
                                                        height: 2 * radius
                                                } : {}));
                                } else if (isInside && (radius > 0 || isImage)) {
                                        point.graphic = graphic = chart.renderer.symbol(
                                                symbol,
                                                plotX - radius,
                                                plotY - radius,
                                                2 * radius,
                                                2 * radius
                                        )
                                        .attr(pointAttr)
                                        .add(markerGroup);
                                }

                        } else if (graphic) {
                                point.graphic = graphic.destroy(); // #1269
                        }
                }
        }

},

/**
 * Convert state properties from API naming conventions to SVG attributes
 *
 * @param {Object} options API options object
 * @param {Object} base1 SVG attribute object to inherit from
 * @param {Object} base2 Second level SVG attribute object to inherit from
 */
convertAttribs: function (options, base1, base2, base3) {
        var conversion = this.pointAttrToOptions,
                attr,
                option,
                obj = {};

        options = options || {};
        base1 = base1 || {};
        base2 = base2 || {};
        base3 = base3 || {};

        for (attr in conversion) {
                option = conversion[attr];
                obj[attr] = pick(options[option], base1[attr], base2[attr], base3[attr]);
        }
        return obj;
},

/**
 * Get the state attributes. Each series type has its own set of attributes
 * that are allowed to change on a point's state change. Series wide attributes are stored for
 * all series, and additionally point specific attributes are stored for all
 * points with individual marker options. If such options are not defined for the point,
 * a reference to the series wide attributes is stored in point.pointAttr.
 */
getAttribs: function () {
        var series = this,
                seriesOptions = series.options,
                normalOptions = defaultPlotOptions[series.type].marker ? seriesOptions.marker : seriesOptions,
                stateOptions = normalOptions.states,
                stateOptionsHover = stateOptions[HOVER_STATE],
                pointStateOptionsHover,
                seriesColor = series.color,
                normalDefaults = {
                        stroke: seriesColor,
                        fill: seriesColor
                },
                points = series.points || [], // #927
                i,
                point,
                seriesPointAttr = [],
                pointAttr,
                pointAttrToOptions = series.pointAttrToOptions,
                hasPointSpecificOptions = series.hasPointSpecificOptions,
                negativeColor = seriesOptions.negativeColor,
                defaultLineColor = normalOptions.lineColor,
                defaultFillColor = normalOptions.fillColor,
                turboThreshold = seriesOptions.turboThreshold,
                attr,
                key;

        // series type specific modifications
        if (seriesOptions.marker) { // line, spline, area, areaspline, scatter

                // if no hover radius is given, default to normal radius + 2
                stateOptionsHover.radius = stateOptionsHover.radius || normalOptions.radius + 2;
                stateOptionsHover.lineWidth = stateOptionsHover.lineWidth || normalOptions.lineWidth + 1;

        } else { // column, bar, pie

                // if no hover color is given, brighten the normal color
                stateOptionsHover.color = stateOptionsHover.color ||
                        Color(stateOptionsHover.color || seriesColor)
                                .brighten(stateOptionsHover.brightness).get();
        }

        // general point attributes for the series normal state
        seriesPointAttr[NORMAL_STATE] = series.convertAttribs(normalOptions, normalDefaults);

        // HOVER_STATE and SELECT_STATE states inherit from normal state except the default radius
        each([HOVER_STATE, SELECT_STATE], function (state) {
                seriesPointAttr[state] =
                                series.convertAttribs(stateOptions[state], seriesPointAttr[NORMAL_STATE]);
        });

        // set it
        series.pointAttr = seriesPointAttr;

        // Generate the point-specific attribute collections if specific point
        // options are given. If not, create a referance to the series wide point
        // attributes
        i = points.length;
        if (!turboThreshold || i < turboThreshold || hasPointSpecificOptions) {
                while (i--) {
                        point = points[i];
                        normalOptions = (point.options && point.options.marker) || point.options;
                        if (normalOptions && normalOptions.enabled === false) {
                                normalOptions.radius = 0;
                        }

                        if (point.negative && negativeColor) {
                                point.color = point.fillColor = negativeColor;
                        }

                        hasPointSpecificOptions = seriesOptions.colorByPoint || point.color; // #868

                        // check if the point has specific visual options
                        if (point.options) {
                                for (key in pointAttrToOptions) {
                                        if (defined(normalOptions[pointAttrToOptions[key]])) {
                                                hasPointSpecificOptions = true;
                                        }
                                }
                        }

                        // a specific marker config object is defined for the individual point:
                        // create it's own attribute collection
                        if (hasPointSpecificOptions) {
                                normalOptions = normalOptions || {};
                                pointAttr = [];
                                stateOptions = normalOptions.states || {}; // reassign for individual point
                                pointStateOptionsHover = stateOptions[HOVER_STATE] = stateOptions[HOVER_STATE] || {};

                                // Handle colors for column and pies
                                if (!seriesOptions.marker) { // column, bar, point
                                        // If no hover color is given, brighten the normal color. #1619, #2579
                                        pointStateOptionsHover.color = pointStateOptionsHover.color || (!point.options.color && stateOptionsHover.color) ||
                                                Color(point.color)
                                                        .brighten(pointStateOptionsHover.brightness || stateOptionsHover.brightness)
                                                        .get();
                                }

                                // normal point state inherits series wide normal state
                                attr = { color: point.color }; // #868
                                if (!defaultFillColor) { // Individual point color or negative color markers (#2219)
                                        attr.fillColor = point.color;
                                }
                                if (!defaultLineColor) {
                                        attr.lineColor = point.color; // Bubbles take point color, line markers use white
                                }
                                pointAttr[NORMAL_STATE] = series.convertAttribs(extend(attr, normalOptions), seriesPointAttr[NORMAL_STATE]);

                                // inherit from point normal and series hover
                                pointAttr[HOVER_STATE] = series.convertAttribs(
                                        stateOptions[HOVER_STATE],
                                        seriesPointAttr[HOVER_STATE],
                                        pointAttr[NORMAL_STATE]
                                );

                                // inherit from point normal and series hover
                                pointAttr[SELECT_STATE] = series.convertAttribs(
                                        stateOptions[SELECT_STATE],
                                        seriesPointAttr[SELECT_STATE],
                                        pointAttr[NORMAL_STATE]
                                );

                        // no marker config object is created: copy a reference to the series-wide
                        // attribute collection
                        } else {
                                pointAttr = seriesPointAttr;
                        }

                        point.pointAttr = pointAttr;
                }
        }
},

/**
 * Clear DOM objects and free up memory
 */
destroy: function () {
        var series = this,
                chart = series.chart,
                issue134 = /AppleWebKit\/533/.test(userAgent),
                destroy,
                i,
                data = series.data || [],
                point,
                prop,
                axis;

        // add event hook
        fireEvent(series, 'destroy');

        // remove all events
        removeEvent(series);

        // erase from axes
        each(series.axisTypes || [], function (AXIS) {
                axis = series[AXIS];
                if (axis) {
                        erase(axis.series, series);
                        axis.isDirty = axis.forceRedraw = true;
                }
        });

        // remove legend items
        if (series.legendItem) {
                series.chart.legend.destroyItem(series);
        }

        // destroy all points with their elements
        i = data.length;
        while (i--) {
                point = data[i];
                if (point && point.destroy) {
                        point.destroy();
                }
        }
        series.points = null;

        // Clear the animation timeout if we are destroying the series during initial animation
        clearTimeout(series.animationTimeout);

        // destroy all SVGElements associated to the series
        each(['area', 'graph', 'dataLabelsGroup', 'group', 'markerGroup', 'tracker',
                        'graphNeg', 'areaNeg', 'posClip', 'negClip'], function (prop) {
                if (series[prop]) {

                        // issue 134 workaround
                        destroy = issue134 && prop === 'group' ?
                                'hide' :
                                'destroy';

                        series[prop][destroy]();
                }
        });

        // remove from hoverSeries
        if (chart.hoverSeries === series) {
                chart.hoverSeries = null;
        }
        erase(chart.series, series);

        // clear all members
        for (prop in series) {
                delete series[prop];
        }
},

/**
 * Return the graph path of a segment
 */
getSegmentPath: function (segment) {
        var series = this,
                segmentPath = [],
                step = series.options.step;

        // build the segment line
        each(segment, function (point, i) {

                var plotX = point.plotX,
                        plotY = point.plotY,
                        lastPoint;

                if (series.getPointSpline) { // generate the spline as defined in the SplineSeries object
                        segmentPath.push.apply(segmentPath, series.getPointSpline(segment, point, i));

                } else {

                        // moveTo or lineTo
                        segmentPath.push(i ? L : M);

                        // step line?
                        if (step && i) {
                                lastPoint = segment[i - 1];
                                if (step === 'right') {
                                        segmentPath.push(
                                                lastPoint.plotX,
                                                plotY
                                        );

                                } else if (step === 'center') {
                                        segmentPath.push(
                                                (lastPoint.plotX + plotX) / 2,
                                                lastPoint.plotY,
                                                (lastPoint.plotX + plotX) / 2,
                                                plotY
                                        );

                                } else {
                                        segmentPath.push(
                                                plotX,
                                                lastPoint.plotY
                                        );
                                }
                        }

                        // normal line to next point
                        segmentPath.push(
                                point.plotX,
                                point.plotY
                        );
                }
        });

        return segmentPath;
},

/**
 * Get the graph path
 */
getGraphPath: function () {
        var series = this,
                graphPath = [],
                segmentPath,
                singlePoints = []; // used in drawTracker

        // Divide into segments and build graph and area paths
        each(series.segments, function (segment) {

                segmentPath = series.getSegmentPath(segment);

                // add the segment to the graph, or a single point for tracking
                if (segment.length > 1) {
                        graphPath = graphPath.concat(segmentPath);
                } else {
                        singlePoints.push(segment[0]);
                }
        });

        // Record it for use in drawGraph and drawTracker, and return graphPath
        series.singlePoints = singlePoints;
        series.graphPath = graphPath;

        return graphPath;

},

/**
 * Draw the actual graph
 */
drawGraph: function () {
        var series = this,
                options = this.options,
                props = [['graph', options.lineColor || this.color]],
                lineWidth = options.lineWidth,
                dashStyle =  options.dashStyle,
                roundCap = options.linecap !== 'square',
                graphPath = this.getGraphPath(),
                negativeColor = options.negativeColor;

        if (negativeColor) {
                props.push(['graphNeg', negativeColor]);
        }

        // draw the graph
        each(props, function (prop, i) {
                var graphKey = prop[0],
                        graph = series[graphKey],
                        attribs;

                if (graph) {
                        stop(graph); // cancel running animations, #459
                        graph.animate({ d: graphPath });

                } else if (lineWidth && graphPath.length) { // #1487
                        attribs = {
                                stroke: prop[1],
                                'stroke-width': lineWidth,
                                fill: NONE,
                                zIndex: 1 // #1069
                        };
                        if (dashStyle) {
                                attribs.dashstyle = dashStyle;
                        } else if (roundCap) {
                                attribs['stroke-linecap'] = attribs['stroke-linejoin'] = 'round';
                        }

                        series[graphKey] = series.chart.renderer.path(graphPath)
                                .attr(attribs)
                                .add(series.group)
                                .shadow(!i && options.shadow);
                }
        });
},

/**
 * Clip the graphs into the positive and negative coloured graphs
 */
clipNeg: function () {
        var options = this.options,
                chart = this.chart,
                renderer = chart.renderer,
                negativeColor = options.negativeColor || options.negativeFillColor,
                translatedThreshold,
                posAttr,
                negAttr,
                graph = this.graph,
                area = this.area,
                posClip = this.posClip,
                negClip = this.negClip,
                chartWidth = chart.chartWidth,
                chartHeight = chart.chartHeight,
                chartSizeMax = mathMax(chartWidth, chartHeight),
                yAxis = this.yAxis,
                above,
                below;

        if (negativeColor && (graph || area)) {
                translatedThreshold = mathRound(yAxis.toPixels(options.threshold || 0, true));
                if (translatedThreshold < 0) {
                        chartSizeMax -= translatedThreshold; // #2534
                }
                above = {
                        x: 0,
                        y: 0,
                        width: chartSizeMax,
                        height: translatedThreshold
                };
                below = {
                        x: 0,
                        y: translatedThreshold,
                        width: chartSizeMax,
                        height: chartSizeMax
                };

                if (chart.inverted) {

                        above.height = below.y = chart.plotWidth - translatedThreshold;
                        if (renderer.isVML) {
                                above = {
                                        x: chart.plotWidth - translatedThreshold - chart.plotLeft,
                                        y: 0,
                                        width: chartWidth,
                                        height: chartHeight
                                };
                                below = {
                                        x: translatedThreshold + chart.plotLeft - chartWidth,
                                        y: 0,
                                        width: chart.plotLeft + translatedThreshold,
                                        height: chartWidth
                                };
                        }
                }

                if (yAxis.reversed) {
                        posAttr = below;
                        negAttr = above;
                } else {
                        posAttr = above;
                        negAttr = below;
                }

                if (posClip) { // update
                        posClip.animate(posAttr);
                        negClip.animate(negAttr);
                } else {

                        this.posClip = posClip = renderer.clipRect(posAttr);
                        this.negClip = negClip = renderer.clipRect(negAttr);

                        if (graph && this.graphNeg) {
                                graph.clip(posClip);
                                this.graphNeg.clip(negClip);
                        }

                        if (area) {
                                area.clip(posClip);
                                this.areaNeg.clip(negClip);
                        }
                }
        }
},

/**
 * Initialize and perform group inversion on series.group and series.markerGroup
 */
invertGroups: function () {
        var series = this,
                chart = series.chart;

        // Pie, go away (#1736)
        if (!series.xAxis) {
                return;
        }

        // A fixed size is needed for inversion to work
        function setInvert() {
                var size = {
                        width: series.yAxis.len,
                        height: series.xAxis.len
                };

                each(['group', 'markerGroup'], function (groupName) {
                        if (series[groupName]) {
                                series[groupName].attr(size).invert();
                        }
                });
        }

        addEvent(chart, 'resize', setInvert); // do it on resize
        addEvent(series, 'destroy', function () {
                removeEvent(chart, 'resize', setInvert);
        });

        // Do it now
        setInvert(); // do it now

        // On subsequent render and redraw, just do setInvert without setting up events again
        series.invertGroups = setInvert;
},

/**
 * General abstraction for creating plot groups like series.group, series.dataLabelsGroup and
 * series.markerGroup. On subsequent calls, the group will only be adjusted to the updated plot size.
 */
plotGroup: function (prop, name, visibility, zIndex, parent) {
        var group = this[prop],
                isNew = !group;

        // Generate it on first call
        if (isNew) {
                this[prop] = group = this.chart.renderer.g(name)
                        .attr({
                                visibility: visibility,
                                zIndex: zIndex || 0.1 // IE8 needs this
                        })
                        .add(parent);
        }
        // Place it on first and subsequent (redraw) calls
        group[isNew ? 'attr' : 'animate'](this.getPlotBox());
        return group;
},

/**
 * Get the translation and scale for the plot area of this series
 */
getPlotBox: function () {
        var chart = this.chart,
                xAxis = this.xAxis,
                yAxis = this.yAxis;

        // Swap axes for inverted (#2339)
        if (chart.inverted) {
                xAxis = yAxis;
                yAxis = this.xAxis;
        }
        return {
                translateX: xAxis ? xAxis.left : chart.plotLeft,
                translateY: yAxis ? yAxis.top : chart.plotTop,
                scaleX: 1, // #1623
                scaleY: 1
        };
},

/**
 * Render the graph and markers
 */
render: function () {
        var series = this,
                chart = series.chart,
                group,
                options = series.options,
                animation = options.animation,
                // Animation doesn't work in IE8 quirks when the group div is hidden,
                // and looks bad in other oldIE
                animDuration = (animation && !!series.animate && chart.renderer.isSVG && pick(animation.duration, 500)) || 0,
                visibility = series.visible ? VISIBLE : HIDDEN,
                zIndex = options.zIndex,
                hasRendered = series.hasRendered,
                chartSeriesGroup = chart.seriesGroup;

        // the group
        group = series.plotGroup(
                'group',
                'series',
                visibility,
                zIndex,
                chartSeriesGroup
        );

        series.markerGroup = series.plotGroup(
                'markerGroup',
                'markers',
                visibility,
                zIndex,
                chartSeriesGroup
        );

        // initiate the animation
        if (animDuration) {
                series.animate(true);
        }

        // cache attributes for shapes
        series.getAttribs();

        // SVGRenderer needs to know this before drawing elements (#1089, #1795)
        group.inverted = series.isCartesian ? chart.inverted : false;

        // draw the graph if any
        if (series.drawGraph) {
                series.drawGraph();
                series.clipNeg();
        }

        // draw the data labels (inn pies they go before the points)
        if (series.drawDataLabels) {
                series.drawDataLabels();
        }

        // draw the points
        if (series.visible) {
                series.drawPoints();
        }

        // draw the mouse tracking area
        if (series.drawTracker && series.options.enableMouseTracking !== false) {
                series.drawTracker();
        }

        // Handle inverted series and tracker groups
        if (chart.inverted) {
                series.invertGroups();
        }

        // Initial clipping, must be defined after inverting groups for VML
        if (options.clip !== false && !series.sharedClipKey && !hasRendered) {
                group.clip(chart.clipRect);
        }

        // Run the animation
        if (animDuration) {
                series.animate();
        } 

        // Call the afterAnimate function on animation complete (but don't overwrite the animation.complete option
        // which should be available to the user).
        if (!hasRendered) {
                if (animDuration) {
                        series.animationTimeout = setTimeout(function () {
                                series.afterAnimate();
                        }, animDuration);
                } else {
                        series.afterAnimate();
                }
        }

        series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see
        // (See #322) series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see
        series.hasRendered = true;
},

/**
 * Redraw the series after an update in the axes.
 */
redraw: function () {
        var series = this,
                chart = series.chart,
                wasDirtyData = series.isDirtyData, // cache it here as it is set to false in render, but used after
                group = series.group,
                xAxis = series.xAxis,
                yAxis = series.yAxis;

        // reposition on resize
        if (group) {
                if (chart.inverted) {
                        group.attr({
                                width: chart.plotWidth,
                                height: chart.plotHeight
                        });
                }

                group.animate({
                        translateX: pick(xAxis && xAxis.left, chart.plotLeft),
                        translateY: pick(yAxis && yAxis.top, chart.plotTop)
                });
        }

        series.translate();
        if (series.setTooltipPoints) {
                series.setTooltipPoints(true);
        }
        series.render();

        if (wasDirtyData) {
                fireEvent(series, 'updatedData');
        }
}

}; // end Series prototype

/**

* The class for stack items
*/

function StackItem(axis, options, isNegative, x, stackOption) {

var inverted = axis.chart.inverted;

this.axis = axis;

// Tells if the stack is negative
this.isNegative = isNegative;

// Save the options to be able to style the label
this.options = options;

// Save the x value to be able to position the label later
this.x = x;

// Initialize total value
this.total = null;

// This will keep each points' extremes stored by series.index and point index
this.points = {};

// Save the stack option on the series configuration object, and whether to treat it as percent
this.stack = stackOption;

// The align options and text align varies on whether the stack is negative and
// if the chart is inverted or not.
// First test the user supplied value, then use the dynamic.
this.alignOptions = {
        align: options.align || (inverted ? (isNegative ? 'left' : 'right') : 'center'),
        verticalAlign: options.verticalAlign || (inverted ? 'middle' : (isNegative ? 'bottom' : 'top')),
        y: pick(options.y, inverted ? 4 : (isNegative ? 14 : -6)),
        x: pick(options.x, inverted ? (isNegative ? -6 : 6) : 0)
};

this.textAlign = options.textAlign || (inverted ? (isNegative ? 'right' : 'left') : 'center');

}

StackItem.prototype = {

destroy: function () {
        destroyObjectProperties(this, this.axis);
},

/**
 * Renders the stack total label and adds it to the stack label group.
 */
render: function (group) {
        var options = this.options,
                formatOption = options.format,
                str = formatOption ?
                        format(formatOption, this) : 
                        options.formatter.call(this);  // format the text in the label

        // Change the text to reflect the new total and set visibility to hidden in case the serie is hidden
        if (this.label) {
                this.label.attr({text: str, visibility: HIDDEN});
        // Create new label
        } else {
                this.label =
                        this.axis.chart.renderer.text(str, null, null, options.useHTML)         // dummy positions, actual position updated with setOffset method in columnseries
                                .css(options.style)                             // apply style
                                .attr({
                                        align: this.textAlign,                          // fix the text-anchor
                                        rotation: options.rotation,     // rotation
                                        visibility: HIDDEN                                      // hidden until setOffset is called
                                })                              
                                .add(group);                                                    // add to the labels-group
        }
},

/**
 * Sets the offset that the stack has from the x value and repositions the label.
 */
setOffset: function (xOffset, xWidth) {
        var stackItem = this,
                axis = stackItem.axis,
                chart = axis.chart,
                inverted = chart.inverted,
                neg = this.isNegative,                                                  // special treatment is needed for negative stacks
                y = axis.translate(axis.usePercentage ? 100 : this.total, 0, 0, 0, 1), // stack value translated mapped to chart coordinates
                yZero = axis.translate(0),                                              // stack origin
                h = mathAbs(y - yZero),                                                 // stack height
                x = chart.xAxis[0].translate(this.x) + xOffset, // stack x position
                plotHeight = chart.plotHeight,
                stackBox = {    // this is the box for the complete stack
                        x: inverted ? (neg ? y : y - h) : x,
                        y: inverted ? plotHeight - x - xWidth : (neg ? (plotHeight - y - h) : plotHeight - y),
                        width: inverted ? h : xWidth,
                        height: inverted ? xWidth : h
                },
                label = this.label,
                alignAttr;

        if (label) {
                label.align(this.alignOptions, null, stackBox); // align the label to the box

                // Set visibility (#678)
                alignAttr = label.alignAttr;
                label[this.options.crop === false || chart.isInsidePlot(alignAttr.x, alignAttr.y) ? 'show' : 'hide'](true);
        }
}

};

// Stacking methods defined on the Axis prototype

/**

* Build the stacks from top down
*/

Axis.prototype.buildStacks = function () {

var series = this.series,
        reversedStacks = pick(this.options.reversedStacks, true),
        i = series.length;
if (!this.isXAxis) {
        this.usePercentage = false;
        while (i--) {
                series[reversedStacks ? i : series.length - i - 1].setStackedPoints();
        }
        // Loop up again to compute percent stack
        if (this.usePercentage) {
                for (i = 0; i < series.length; i++) {
                        series[i].setPercentStacks();
                }
        }
}

};

Axis.prototype.renderStackTotals = function () {

var axis = this,
        chart = axis.chart,
        renderer = chart.renderer,
        stacks = axis.stacks,
        stackKey, 
        oneStack, 
        stackCategory,
        stackTotalGroup = axis.stackTotalGroup;

// Create a separate group for the stack total labels
if (!stackTotalGroup) {
        axis.stackTotalGroup = stackTotalGroup =
                renderer.g('stack-labels')
                        .attr({
                                visibility: VISIBLE,
                                zIndex: 6
                        })
                        .add();
}

// plotLeft/Top will change when y axis gets wider so we need to translate the
// stackTotalGroup at every render call. See bug #506 and #516
stackTotalGroup.translate(chart.plotLeft, chart.plotTop);

// Render each stack total
for (stackKey in stacks) {
        oneStack = stacks[stackKey];
        for (stackCategory in oneStack) {
                oneStack[stackCategory].render(stackTotalGroup);
        }
}

};

// Stacking methods defnied for Series prototype

/**

* Adds series' points value to corresponding stack
*/

Series.prototype.setStackedPoints = function () {

if (!this.options.stacking || (this.visible !== true && this.chart.options.chart.ignoreHiddenSeries !== false)) {
        return;
}

var series = this,
        xData = series.processedXData,
        yData = series.processedYData,
        stackedYData = [],
        yDataLength = yData.length,
        seriesOptions = series.options,
        threshold = seriesOptions.threshold,
        stackOption = seriesOptions.stack,
        stacking = seriesOptions.stacking,
        stackKey = series.stackKey,
        negKey = '-' + stackKey,
        negStacks = series.negStacks,
        yAxis = series.yAxis,
        stacks = yAxis.stacks,
        oldStacks = yAxis.oldStacks,
        isNegative,
        stack,
        other,
        key,
        pointKey,
        i,
        x,
        y;

// loop over the non-null y values and read them into a local array
for (i = 0; i < yDataLength; i++) {
        x = xData[i];
        y = yData[i];
        pointKey = series.index + ',' + i;

        // Read stacked values into a stack based on the x value,
        // the sign of y and the stack key. Stacking is also handled for null values (#739)
        isNegative = negStacks && y < threshold;
        key = isNegative ? negKey : stackKey;

        // Create empty object for this stack if it doesn't exist yet
        if (!stacks[key]) {
                stacks[key] = {};
        }

        // Initialize StackItem for this x
        if (!stacks[key][x]) {
                if (oldStacks[key] && oldStacks[key][x]) {
                        stacks[key][x] = oldStacks[key][x];
                        stacks[key][x].total = null;
                } else {
                        stacks[key][x] = new StackItem(yAxis, yAxis.options.stackLabels, isNegative, x, stackOption);
                }
        }

        // If the StackItem doesn't exist, create it first
        stack = stacks[key][x];
        stack.points[pointKey] = [stack.cum || 0];

        // Add value to the stack total
        if (stacking === 'percent') {

                // Percent stacked column, totals are the same for the positive and negative stacks
                other = isNegative ? stackKey : negKey;
                if (negStacks && stacks[other] && stacks[other][x]) {
                        other = stacks[other][x];
                        stack.total = other.total = mathMax(other.total, stack.total) + mathAbs(y) || 0;

                // Percent stacked areas
                } else {
                        stack.total = correctFloat(stack.total + (mathAbs(y) || 0));
                }
        } else {
                stack.total = correctFloat(stack.total + (y || 0));
        }

        stack.cum = (stack.cum || 0) + (y || 0);

        stack.points[pointKey].push(stack.cum);
        stackedYData[i] = stack.cum;

}

if (stacking === 'percent') {
        yAxis.usePercentage = true;
}

this.stackedYData = stackedYData; // To be used in getExtremes

// Reset old stacks
yAxis.oldStacks = {};

};

/**

* Iterate over all stacks and compute the absolute values to percent
*/

Series.prototype.setPercentStacks = function () {

var series = this,
        stackKey = series.stackKey,
        stacks = series.yAxis.stacks,
        processedXData = series.processedXData;

each([stackKey, '-' + stackKey], function (key) {
        var i = processedXData.length,
                x,
                stack,
                pointExtremes,
                totalFactor;

        while (i--) {
                x = processedXData[i];
                stack = stacks[key] && stacks[key][x];
                pointExtremes = stack && stack.points[series.index + ',' + i];
                if (pointExtremes) {
                        totalFactor = stack.total ? 100 / stack.total : 0;
                        pointExtremes[0] = correctFloat(pointExtremes[0] * totalFactor); // Y bottom value
                        pointExtremes[1] = correctFloat(pointExtremes[1] * totalFactor); // Y value
                        series.stackedYData[i] = pointExtremes[1];
                }
        }
});

};

// Extend the Chart prototype for dynamic methods extend(Chart.prototype, {

   /**
    * Add a series dynamically after  time
    *
    * @param {Object} options The config options
    * @param {Boolean} redraw Whether to redraw the chart after adding. Defaults to true.
    * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
    *    configuration
    *
    * @return {Object} series The newly created series object
    */
   addSeries: function (options, redraw, animation) {
           var series,
                   chart = this;

           if (options) {
                   redraw = pick(redraw, true); // defaults to true

                   fireEvent(chart, 'addSeries', { options: options }, function () {
                           series = chart.initSeries(options);

                           chart.isDirtyLegend = true; // the series array is out of sync with the display
                           chart.linkSeries();
                           if (redraw) {
                                   chart.redraw(animation);
                           }
                   });
           }

           return series;
   },

   /**
* Add an axis to the chart
* @param {Object} options The axis option
* @param {Boolean} isX Whether it is an X axis or a value axis
*/
   addAxis: function (options, isX, redraw, animation) {
           var key = isX ? 'xAxis' : 'yAxis',
                   chartOptions = this.options,
                   axis;

           /*jslint unused: false*/
           axis = new Axis(this, merge(options, {
                   index: this[key].length,
                   isX: isX
           }));
           /*jslint unused: true*/

           // Push the new axis options to the chart options
           chartOptions[key] = splat(chartOptions[key] || {});
           chartOptions[key].push(options);

           if (pick(redraw, true)) {
                   this.redraw(animation);
           }
   },

   /**
    * Dim the chart and show a loading text or symbol
    * @param {String} str An optional text to show in the loading label instead of the default one
    */
   showLoading: function (str) {
           var chart = this,
                   options = chart.options,
                   loadingDiv = chart.loadingDiv;

           var loadingOptions = options.loading;

           // create the layer at the first call
           if (!loadingDiv) {
                   chart.loadingDiv = loadingDiv = createElement(DIV, {
                           className: PREFIX + 'loading'
                   }, extend(loadingOptions.style, {
                           zIndex: 10,
                           display: NONE
                   }), chart.container);

                   chart.loadingSpan = createElement(
                           'span',
                           null,
                           loadingOptions.labelStyle,
                           loadingDiv
                   );

           }

           // update text
           chart.loadingSpan.innerHTML = str || options.lang.loading;

           // show it
           if (!chart.loadingShown) {
                   css(loadingDiv, {
                           opacity: 0,
                           display: '',
                           left: chart.plotLeft + PX,
                           top: chart.plotTop + PX,
                           width: chart.plotWidth + PX,
                           height: chart.plotHeight + PX
                   });
                   animate(loadingDiv, {
                           opacity: loadingOptions.style.opacity
                   }, {
                           duration: loadingOptions.showDuration || 0
                   });
                   chart.loadingShown = true;
           }
   },

   /**
    * Hide the loading layer
    */
   hideLoading: function () {
           var options = this.options,
                   loadingDiv = this.loadingDiv;

           if (loadingDiv) {
                   animate(loadingDiv, {
                           opacity: 0
                   }, {
                           duration: options.loading.hideDuration || 100,
                           complete: function () {
                                   css(loadingDiv, { display: NONE });
                           }
                   });
           }
           this.loadingShown = false;
   }

});

// extend the Point prototype for dynamic methods extend(Point.prototype, {

/**
 * Update the point with new options (typically x/y data) and optionally redraw the series.
 *
 * @param {Object} options Point options as defined in the series.data array
 * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
 *    configuration
 *
 */
update: function (options, redraw, animation) {
        var point = this,
                series = point.series,
                graphic = point.graphic,
                i,
                data = series.data,
                chart = series.chart,
                seriesOptions = series.options;

        redraw = pick(redraw, true);

        // fire the event with a default handler of doing the update
        point.firePointEvent('update', { options: options }, function () {

                point.applyOptions(options);

                // update visuals
                if (isObject(options)) {
                        series.getAttribs();
                        if (graphic) {
                                if (options && options.marker && options.marker.symbol) {
                                        point.graphic = graphic.destroy();
                                } else {
                                        graphic.attr(point.pointAttr[point.state || '']);
                                }
                        }
                        if (options && options.dataLabels && point.dataLabel) { // #2468
                                point.dataLabel = point.dataLabel.destroy();
                        }
                }

                // record changes in the parallel arrays
                i = inArray(point, data);
                series.updateParallelArrays(point, i);

                seriesOptions.data[i] = point.options;

                // redraw
                series.isDirty = series.isDirtyData = true;
                if (!series.fixedBox && series.hasCartesianSeries) { // #1906, #2320
                        chart.isDirtyBox = true;
                }

                if (seriesOptions.legendType === 'point') { // #1831, #1885
                        chart.legend.destroyItem(point);
                }
                if (redraw) {
                        chart.redraw(animation);
                }
        });
},

/**
 * Remove a point and optionally redraw the series and if necessary the axes
 * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
 *    configuration
 */
remove: function (redraw, animation) {
        var point = this,
                series = point.series,
                points = series.points,
                chart = series.chart,
                i,
                data = series.data;

        setAnimation(animation, chart);
        redraw = pick(redraw, true);

        // fire the event with a default handler of removing the point
        point.firePointEvent('remove', null, function () {

                // splice all the parallel arrays
                i = inArray(point, data);
                if (data.length === points.length) {
                        points.splice(i, 1);
                }
                data.splice(i, 1);
                series.options.data.splice(i, 1);
                series.updateParallelArrays(point, 'splice', i, 1);

                point.destroy();

                // redraw
                series.isDirty = true;
                series.isDirtyData = true;
                if (redraw) {
                        chart.redraw();
                }
        });
}

});

// Extend the series prototype for dynamic methods extend(Series.prototype, {

/**
 * Add a point dynamically after chart load time
 * @param {Object} options Point options as given in series.data
 * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
 * @param {Boolean} shift If shift is true, a point is shifted off the start
 *    of the series as one is appended to the end.
 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
 *    configuration
 */
addPoint: function (options, redraw, shift, animation) {
        var series = this,
                seriesOptions = series.options,
                data = series.data,
                graph = series.graph,
                area = series.area,
                chart = series.chart,
                names = series.xAxis && series.xAxis.names,
                currentShift = (graph && graph.shift) || 0,
                dataOptions = seriesOptions.data,
                point,
                isInTheMiddle,
                xData = series.xData,
                x,
                i;

        setAnimation(animation, chart);

        // Make graph animate sideways
        if (shift) {
                each([graph, area, series.graphNeg, series.areaNeg], function (shape) {
                        if (shape) {
                                shape.shift = currentShift + 1;
                        }
                });
        }
        if (area) {
                area.isArea = true; // needed in animation, both with and without shift
        }

        // Optional redraw, defaults to true
        redraw = pick(redraw, true);

        // Get options and push the point to xData, yData and series.options. In series.generatePoints
        // the Point instance will be created on demand and pushed to the series.data array.
        point = { series: series };
        series.pointClass.prototype.applyOptions.apply(point, [options]);
        x = point.x;

        // Get the insertion point
        i = xData.length;
        if (series.requireSorting && x < xData[i - 1]) {
                isInTheMiddle = true;
                while (i && xData[i - 1] > x) {
                        i--;
                }
        }

        series.updateParallelArrays(point, 'splice', i, 0, 0); // insert undefined item
        series.updateParallelArrays(point, i); // update it

        if (names) {
                names[x] = point.name;
        }
        dataOptions.splice(i, 0, options);

        if (isInTheMiddle) {
                series.data.splice(i, 0, null);
                series.processData();
        }

        // Generate points to be added to the legend (#1329)
        if (seriesOptions.legendType === 'point') {
                series.generatePoints();
        }

        // Shift the first point off the parallel arrays
        // todo: consider series.removePoint(i) method
        if (shift) {
                if (data[0] && data[0].remove) {
                        data[0].remove(false);
                } else {
                        data.shift();
                        series.updateParallelArrays(point, 'shift');

                        dataOptions.shift();
                }
        }

        // redraw
        series.isDirty = true;
        series.isDirtyData = true;
        if (redraw) {
                series.getAttribs(); // #1937
                chart.redraw();
        }
},

/**
 * Remove a series and optionally redraw the chart
 *
 * @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
 * @param {Boolean|Object} animation Whether to apply animation, and optionally animation
 *    configuration
 */

remove: function (redraw, animation) {
        var series = this,
                chart = series.chart;
        redraw = pick(redraw, true);

        if (!series.isRemoving) {  /* prevent triggering native event in jQuery
                        (calling the remove function from the remove event) */
                series.isRemoving = true;

                // fire the event with a default handler of removing the point
                fireEvent(series, 'remove', null, function () {

                        // destroy elements
                        series.destroy();

                        // redraw
                        chart.isDirtyLegend = chart.isDirtyBox = true;
                        chart.linkSeries();

                        if (redraw) {
                                chart.redraw(animation);
                        }
                });

        }
        series.isRemoving = false;
},

/**
 * Update the series with a new set of options
 */
update: function (newOptions, redraw) {
        var chart = this.chart,
                // must use user options when changing type because this.options is merged
                // in with type specific plotOptions
                oldOptions = this.userOptions,
                oldType = this.type,
                proto = seriesTypes[oldType].prototype,
                n;

        // Do the merge, with some forced options
        newOptions = merge(oldOptions, {
                animation: false,
                index: this.index,
                pointStart: this.xData[0] // when updating after addPoint
        }, { data: this.options.data }, newOptions);

        // Destroy the series and reinsert methods from the type prototype
        this.remove(false);
        for (n in proto) { // Overwrite series-type specific methods (#2270)
                if (proto.hasOwnProperty(n)) {
                        this[n] = UNDEFINED;
                }
        }
        extend(this, seriesTypes[newOptions.type || oldType].prototype);

        this.init(chart, newOptions);
        if (pick(redraw, true)) {
                chart.redraw(false);
        }
}

});

// Extend the Axis.prototype for dynamic methods extend(Axis.prototype, {

   /**
    * Update the axis with a new options structure
    */
   update: function (newOptions, redraw) {
           var chart = this.chart;

           newOptions = chart.options[this.coll][this.options.index] = merge(this.userOptions, newOptions);

           this.destroy(true);
           this._addedPlotLB = UNDEFINED; // #1611, #2887

           this.init(chart, extend(newOptions, { events: UNDEFINED }));

           chart.isDirtyBox = true;
           if (pick(redraw, true)) {
                   chart.redraw();
           }
   },

   /**
* Remove the axis from the chart
*/
   remove: function (redraw) {
           var chart = this.chart,
                   key = this.coll, // xAxis or yAxis
                   axisSeries = this.series,
                   i = axisSeries.length;

           // Remove associated series (#2687)
           while (i--) {
                   if (axisSeries[i]) {
                           axisSeries[i].remove(false);
                   }
           }

           // Remove the axis
           erase(chart.axes, this);
           erase(chart[key], this);
           chart.options[key].splice(this.options.index, 1);
           each(chart[key], function (axis, i) { // Re-index, #1706
                   axis.options.index = i;
           });
           this.destroy();
           chart.isDirtyBox = true;

           if (pick(redraw, true)) {
                   chart.redraw();
           }
   },

   /**
    * Update the axis title by options
    */
   setTitle: function (newTitleOptions, redraw) {
           this.update({ title: newTitleOptions }, redraw);
   },

   /**
    * Set new axis categories and optionally redraw
    * @param {Array} categories
    * @param {Boolean} redraw
    */
   setCategories: function (categories, redraw) {
           this.update({ categories: categories }, redraw);
   }

});

/**

* LineSeries object
*/

var LineSeries = extendClass(Series); seriesTypes.line = LineSeries;

/**

* Set the default options for area
*/

defaultPlotOptions.area = merge(defaultSeriesOptions, {

threshold: 0
// trackByArea: false,
// lineColor: null, // overrides color, but lets fillColor be unaltered
// fillOpacity: 0.75,
// fillColor: null

});

/**

* AreaSeries object
*/

var AreaSeries = extendClass(Series, {

type: 'area',
/**
 * For stacks, don't split segments on null values. Instead, draw null values with 
 * no marker. Also insert dummy points for any X position that exists in other series
 * in the stack.
 */ 
getSegments: function () {
        var segments = [],
                segment = [],
                keys = [],
                xAxis = this.xAxis,
                yAxis = this.yAxis,
                stack = yAxis.stacks[this.stackKey],
                pointMap = {},
                plotX,
                plotY,
                points = this.points,
                connectNulls = this.options.connectNulls,
                val,
                i,
                x;

        if (this.options.stacking && !this.cropped) { // cropped causes artefacts in Stock, and perf issue
                // Create a map where we can quickly look up the points by their X value.
                for (i = 0; i < points.length; i++) {
                        pointMap[points[i].x] = points[i];
                }

                // Sort the keys (#1651)
                for (x in stack) {
                        if (stack[x].total !== null) { // nulled after switching between grouping and not (#1651, #2336)
                                keys.push(+x);
                        }
                }
                keys.sort(function (a, b) {
                        return a - b;
                });

                each(keys, function (x) {
                        if (connectNulls && (!pointMap[x] || pointMap[x].y === null)) { // #1836
                                return;

                        // The point exists, push it to the segment
                        } else if (pointMap[x]) {
                                segment.push(pointMap[x]);

                        // There is no point for this X value in this series, so we 
                        // insert a dummy point in order for the areas to be drawn
                        // correctly.
                        } else {
                                plotX = xAxis.translate(x);
                                val = stack[x].percent ? (stack[x].total ? stack[x].cum * 100 / stack[x].total : 0) : stack[x].cum; // #1991
                                plotY = yAxis.toPixels(val, true);
                                segment.push({ 
                                        y: null, 
                                        plotX: plotX,
                                        clientX: plotX, 
                                        plotY: plotY, 
                                        yBottom: plotY,
                                        onMouseOver: noop
                                });
                        }
                });

                if (segment.length) {
                        segments.push(segment);
                }

        } else {
                Series.prototype.getSegments.call(this);
                segments = this.segments;
        }

        this.segments = segments;
},

/**
 * Extend the base Series getSegmentPath method by adding the path for the area.
 * This path is pushed to the series.areaPath property.
 */
getSegmentPath: function (segment) {

        var segmentPath = Series.prototype.getSegmentPath.call(this, segment), // call base method
                areaSegmentPath = [].concat(segmentPath), // work on a copy for the area path
                i,
                options = this.options,
                segLength = segmentPath.length,
                translatedThreshold = this.yAxis.getThreshold(options.threshold), // #2181
                yBottom;

        if (segLength === 3) { // for animation from 1 to two points
                areaSegmentPath.push(L, segmentPath[1], segmentPath[2]);
        }
        if (options.stacking && !this.closedStacks) {

                // Follow stack back. Todo: implement areaspline. A general solution could be to 
                // reverse the entire graphPath of the previous series, though may be hard with
                // splines and with series with different extremes
                for (i = segment.length - 1; i >= 0; i--) {

                        yBottom = pick(segment[i].yBottom, translatedThreshold);

                        // step line?
                        if (i < segment.length - 1 && options.step) {
                                areaSegmentPath.push(segment[i + 1].plotX, yBottom);
                        }

                        areaSegmentPath.push(segment[i].plotX, yBottom);
                }

        } else { // follow zero line back
                this.closeSegment(areaSegmentPath, segment, translatedThreshold);
        }
        this.areaPath = this.areaPath.concat(areaSegmentPath);
        return segmentPath;
},

/**
 * Extendable method to close the segment path of an area. This is overridden in polar 
 * charts.
 */
closeSegment: function (path, segment, translatedThreshold) {
        path.push(
                L,
                segment[segment.length - 1].plotX,
                translatedThreshold,
                L,
                segment[0].plotX,
                translatedThreshold
        );
},

/**
 * Draw the graph and the underlying area. This method calls the Series base
 * function and adds the area. The areaPath is calculated in the getSegmentPath
 * method called from Series.prototype.drawGraph.
 */
drawGraph: function () {

        // Define or reset areaPath
        this.areaPath = [];

        // Call the base method
        Series.prototype.drawGraph.apply(this);

        // Define local variables
        var series = this,
                areaPath = this.areaPath,
                options = this.options,
                negativeColor = options.negativeColor,
                negativeFillColor = options.negativeFillColor,
                props = [['area', this.color, options.fillColor]]; // area name, main color, fill color

        if (negativeColor || negativeFillColor) {
                props.push(['areaNeg', negativeColor, negativeFillColor]);
        }

        each(props, function (prop) {
                var areaKey = prop[0],
                        area = series[areaKey];

                // Create or update the area
                if (area) { // update
                        area.animate({ d: areaPath });

                } else { // create
                        series[areaKey] = series.chart.renderer.path(areaPath)
                                .attr({
                                        fill: pick(
                                                prop[2],
                                                Color(prop[1]).setOpacity(pick(options.fillOpacity, 0.75)).get()
                                        ),
                                        zIndex: 0 // #1069
                                }).add(series.group);
                }
        });
},

drawLegendSymbol: LegendSymbolMixin.drawRectangle

});

seriesTypes.area = AreaSeries; /**

* Set the default options for spline
*/

defaultPlotOptions.spline = merge(defaultSeriesOptions);

/**

* SplineSeries object
*/

var SplineSeries = extendClass(Series, {

type: 'spline',

/**
 * Get the spline segment from a given point's previous neighbour to the given point
 */
getPointSpline: function (segment, point, i) {
        var smoothing = 1.5, // 1 means control points midway between points, 2 means 1/3 from the point, 3 is 1/4 etc
                denom = smoothing + 1,
                plotX = point.plotX,
                plotY = point.plotY,
                lastPoint = segment[i - 1],
                nextPoint = segment[i + 1],
                leftContX,
                leftContY,
                rightContX,
                rightContY,
                ret;

        // find control points
        if (lastPoint && nextPoint) {

                var lastX = lastPoint.plotX,
                        lastY = lastPoint.plotY,
                        nextX = nextPoint.plotX,
                        nextY = nextPoint.plotY,
                        correction;

                leftContX = (smoothing * plotX + lastX) / denom;
                leftContY = (smoothing * plotY + lastY) / denom;
                rightContX = (smoothing * plotX + nextX) / denom;
                rightContY = (smoothing * plotY + nextY) / denom;

                // have the two control points make a straight line through main point
                correction = ((rightContY - leftContY) * (rightContX - plotX)) /
                        (rightContX - leftContX) + plotY - rightContY;

                leftContY += correction;
                rightContY += correction;

                // to prevent false extremes, check that control points are between
                // neighbouring points' y values
                if (leftContY > lastY && leftContY > plotY) {
                        leftContY = mathMax(lastY, plotY);
                        rightContY = 2 * plotY - leftContY; // mirror of left control point
                } else if (leftContY < lastY && leftContY < plotY) {
                        leftContY = mathMin(lastY, plotY);
                        rightContY = 2 * plotY - leftContY;
                }
                if (rightContY > nextY && rightContY > plotY) {
                        rightContY = mathMax(nextY, plotY);
                        leftContY = 2 * plotY - rightContY;
                } else if (rightContY < nextY && rightContY < plotY) {
                        rightContY = mathMin(nextY, plotY);
                        leftContY = 2 * plotY - rightContY;
                }

                // record for drawing in next point
                point.rightContX = rightContX;
                point.rightContY = rightContY;

        }

        // Visualize control points for debugging
        /*
        if (leftContX) {
                this.chart.renderer.circle(leftContX + this.chart.plotLeft, leftContY + this.chart.plotTop, 2)
                        .attr({
                                stroke: 'red',
                                'stroke-width': 1,
                                fill: 'none'
                        })
                        .add();
                this.chart.renderer.path(['M', leftContX + this.chart.plotLeft, leftContY + this.chart.plotTop,
                        'L', plotX + this.chart.plotLeft, plotY + this.chart.plotTop])
                        .attr({
                                stroke: 'red',
                                'stroke-width': 1
                        })
                        .add();
                this.chart.renderer.circle(rightContX + this.chart.plotLeft, rightContY + this.chart.plotTop, 2)
                        .attr({
                                stroke: 'green',
                                'stroke-width': 1,
                                fill: 'none'
                        })
                        .add();
                this.chart.renderer.path(['M', rightContX + this.chart.plotLeft, rightContY + this.chart.plotTop,
                        'L', plotX + this.chart.plotLeft, plotY + this.chart.plotTop])
                        .attr({
                                stroke: 'green',
                                'stroke-width': 1
                        })
                        .add();
        }
        */

        // moveTo or lineTo
        if (!i) {
                ret = [M, plotX, plotY];
        } else { // curve from last point to this
                ret = [
                        'C',
                        lastPoint.rightContX || lastPoint.plotX,
                        lastPoint.rightContY || lastPoint.plotY,
                        leftContX || plotX,
                        leftContY || plotY,
                        plotX,
                        plotY
                ];
                lastPoint.rightContX = lastPoint.rightContY = null; // reset for updating series later
        }
        return ret;
}

}); seriesTypes.spline = SplineSeries;

/**

* Set the default options for areaspline
*/

defaultPlotOptions.areaspline = merge(defaultPlotOptions.area);

/**

* AreaSplineSeries object
*/

var areaProto = AreaSeries.prototype,

AreaSplineSeries = extendClass(SplineSeries, {
        type: 'areaspline',
        closedStacks: true, // instead of following the previous graph back, follow the threshold back

        // Mix in methods from the area series
        getSegmentPath: areaProto.getSegmentPath,
        closeSegment: areaProto.closeSegment,
        drawGraph: areaProto.drawGraph,
        drawLegendSymbol: LegendSymbolMixin.drawRectangle
});

seriesTypes.areaspline = AreaSplineSeries;

/**

* Set the default options for column
*/

defaultPlotOptions.column = merge(defaultSeriesOptions, {

borderColor: '#FFFFFF',
//borderWidth: 1,
borderRadius: 0,
//colorByPoint: undefined,
groupPadding: 0.2,
//grouping: true,
marker: null, // point options are specified in the base options
pointPadding: 0.1,
//pointWidth: null,
minPointLength: 0,
cropThreshold: 50, // when there are more points, they will not animate out of the chart on xAxis.setExtremes
pointRange: null, // null means auto, meaning 1 in a categorized axis and least distance between points if not categories
states: {
        hover: {
                brightness: 0.1,
                shadow: false,
                halo: false
        },
        select: {
                color: '#C0C0C0',
                borderColor: '#000000',
                shadow: false
        }
},
dataLabels: {
        align: null, // auto
        verticalAlign: null, // auto
        y: null
},
stickyTracking: false,
tooltip: {
        distance: 6
},
threshold: 0

});

/**

* ColumnSeries object
*/

var ColumnSeries = extendClass(Series, {

type: 'column',
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
        stroke: 'borderColor',
        fill: 'color',
        r: 'borderRadius'
},
cropShoulder: 0,
trackerGroups: ['group', 'dataLabelsGroup'],
negStacks: true, // use separate negative stacks, unlike area stacks where a negative 
        // point is substracted from previous (#1910)

/**
 * Initialize the series
 */
init: function () {
        Series.prototype.init.apply(this, arguments);

        var series = this,
                chart = series.chart;

        // if the series is added dynamically, force redraw of other
        // series affected by a new column
        if (chart.hasRendered) {
                each(chart.series, function (otherSeries) {
                        if (otherSeries.type === series.type) {
                                otherSeries.isDirty = true;
                        }
                });
        }
},

/**
 * Return the width and x offset of the columns adjusted for grouping, groupPadding, pointPadding,
 * pointWidth etc. 
 */
getColumnMetrics: function () {

        var series = this,
                options = series.options,
                xAxis = series.xAxis,
                yAxis = series.yAxis,
                reversedXAxis = xAxis.reversed,
                stackKey,
                stackGroups = {},
                columnIndex,
                columnCount = 0;

        // Get the total number of column type series.
        // This is called on every series. Consider moving this logic to a
        // chart.orderStacks() function and call it on init, addSeries and removeSeries
        if (options.grouping === false) {
                columnCount = 1;
        } else {
                each(series.chart.series, function (otherSeries) {
                        var otherOptions = otherSeries.options,
                                otherYAxis = otherSeries.yAxis;
                        if (otherSeries.type === series.type && otherSeries.visible &&
                                        yAxis.len === otherYAxis.len && yAxis.pos === otherYAxis.pos) {  // #642, #2086
                                if (otherOptions.stacking) {
                                        stackKey = otherSeries.stackKey;
                                        if (stackGroups[stackKey] === UNDEFINED) {
                                                stackGroups[stackKey] = columnCount++;
                                        }
                                        columnIndex = stackGroups[stackKey];
                                } else if (otherOptions.grouping !== false) { // #1162
                                        columnIndex = columnCount++;
                                }
                                otherSeries.columnIndex = columnIndex;
                        }
                });
        }

        var categoryWidth = mathMin(
                        mathAbs(xAxis.transA) * (xAxis.ordinalSlope || options.pointRange || xAxis.closestPointRange || xAxis.tickInterval || 1), // #2610
                        xAxis.len // #1535
                ),
                groupPadding = categoryWidth * options.groupPadding,
                groupWidth = categoryWidth - 2 * groupPadding,
                pointOffsetWidth = groupWidth / columnCount,
                optionPointWidth = options.pointWidth,
                pointPadding = defined(optionPointWidth) ? (pointOffsetWidth - optionPointWidth) / 2 :
                        pointOffsetWidth * options.pointPadding,
                pointWidth = pick(optionPointWidth, pointOffsetWidth - 2 * pointPadding), // exact point width, used in polar charts
                colIndex = (reversedXAxis ? 
                        columnCount - (series.columnIndex || 0) : // #1251
                        series.columnIndex) || 0,
                pointXOffset = pointPadding + (groupPadding + colIndex *
                        pointOffsetWidth - (categoryWidth / 2)) *
                        (reversedXAxis ? -1 : 1);

        // Save it for reading in linked series (Error bars particularly)
        return (series.columnMetrics = { 
                width: pointWidth, 
                offset: pointXOffset 
        });

},

/**
 * Translate each point to the plot area coordinate system and find shape positions
 */
translate: function () {
        var series = this,
                chart = series.chart,
                options = series.options,
                borderWidth = series.borderWidth = pick(
                        options.borderWidth, 
                        series.activePointCount > 0.5 * series.xAxis.len ? 0 : 1
                ),
                yAxis = series.yAxis,
                threshold = options.threshold,
                translatedThreshold = series.translatedThreshold = yAxis.getThreshold(threshold),
                minPointLength = pick(options.minPointLength, 5),
                metrics = series.getColumnMetrics(),
                pointWidth = metrics.width,
                seriesBarW = series.barW = mathCeil(mathMax(pointWidth, 1 + 2 * borderWidth)), // rounded and postprocessed for border width
                pointXOffset = series.pointXOffset = metrics.offset,
                xCrisp = -(borderWidth % 2 ? 0.5 : 0),
                yCrisp = borderWidth % 2 ? 0.5 : 1;

        if (chart.renderer.isVML && chart.inverted) {
                yCrisp += 1;
        }

        Series.prototype.translate.apply(series);

        // record the new values
        each(series.points, function (point) {
                var yBottom = pick(point.yBottom, translatedThreshold),
                        plotY = mathMin(mathMax(-999 - yBottom, point.plotY), yAxis.len + 999 + yBottom), // Don't draw too far outside plot area (#1303, #2241)
                        barX = point.plotX + pointXOffset,
                        barW = seriesBarW,
                        barY = mathMin(plotY, yBottom),
                        right,
                        bottom,
                        fromTop,
                        fromLeft,
                        barH = mathMax(plotY, yBottom) - barY;

                // Handle options.minPointLength
                if (mathAbs(barH) < minPointLength) {
                        if (minPointLength) {
                                barH = minPointLength;
                                barY =
                                        mathRound(mathAbs(barY - translatedThreshold) > minPointLength ? // stacked
                                                yBottom - minPointLength : // keep position
                                                translatedThreshold - (yAxis.translate(point.y, 0, 1, 0, 1) <= translatedThreshold ? minPointLength : 0)); // use exact yAxis.translation (#1485)
                        }
                }

                // Cache for access in polar
                point.barX = barX;
                point.pointWidth = pointWidth;

                // Fix the tooltip on center of grouped columns (#1216)
                point.tooltipPos = chart.inverted ? [yAxis.len - plotY, series.xAxis.len - barX - barW / 2] : [barX + barW / 2, plotY];

                // Round off to obtain crisp edges
                fromLeft = mathAbs(barX) < 0.5;
                right = mathRound(barX + barW) + xCrisp;
                barX = mathRound(barX) + xCrisp;
                barW = right - barX;

                fromTop = mathAbs(barY) < 0.5;
                bottom = mathRound(barY + barH) + yCrisp;
                barY = mathRound(barY) + yCrisp;
                barH = bottom - barY;

                // Top and left edges are exceptions
                if (fromLeft) {
                        barX += 1;
                        barW -= 1;
                }
                if (fromTop) {
                        barY -= 1;
                        barH += 1;
                }

                // Register shape type and arguments to be used in drawPoints
                point.shapeType = 'rect';
                point.shapeArgs = {
                        x: barX,
                        y: barY,
                        width: barW,
                        height: barH
                };
        });

},

getSymbol: noop,

/**
 * Use a solid rectangle like the area series types
 */
drawLegendSymbol: LegendSymbolMixin.drawRectangle,

/**
 * Columns have no graph
 */
drawGraph: noop,

/**
 * Draw the columns. For bars, the series.group is rotated, so the same coordinates
 * apply for columns and bars. This method is inherited by scatter series.
 *
 */
drawPoints: function () {
        var series = this,
                chart = this.chart,
                options = series.options,
                renderer = chart.renderer,
                animationLimit = options.animationLimit || 250,
                shapeArgs,
                pointAttr,
                borderAttr;

        // draw the columns
        each(series.points, function (point) {
                var plotY = point.plotY,
                        graphic = point.graphic;

                if (plotY !== UNDEFINED && !isNaN(plotY) && point.y !== null) {
                        shapeArgs = point.shapeArgs;
                        borderAttr = defined(series.borderWidth) ? {
                                'stroke-width': series.borderWidth
                        } : {};
                        pointAttr = point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE] || series.pointAttr[NORMAL_STATE];
                        if (graphic) { // update
                                stop(graphic);
                                graphic.attr(borderAttr)[chart.pointCount < animationLimit ? 'animate' : 'attr'](merge(shapeArgs));

                        } else {
                                point.graphic = graphic = renderer[point.shapeType](shapeArgs)
                                        .attr(pointAttr)
                                        .attr(borderAttr)
                                        .add(series.group)
                                        .shadow(options.shadow, null, options.stacking && !options.borderRadius);
                        }

                } else if (graphic) {
                        point.graphic = graphic.destroy(); // #1269
                }
        });
},

/**
 * Animate the column heights one by one from zero
 * @param {Boolean} init Whether to initialize the animation or run it
 */
animate: function (init) {
        var series = this,
                yAxis = this.yAxis,
                options = series.options,
                inverted = this.chart.inverted,
                attr = {},
                translatedThreshold;

        if (hasSVG) { // VML is too slow anyway
                if (init) {
                        attr.scaleY = 0.001;
                        translatedThreshold = mathMin(yAxis.pos + yAxis.len, mathMax(yAxis.pos, yAxis.toPixels(options.threshold)));
                        if (inverted) {
                                attr.translateX = translatedThreshold - yAxis.len;
                        } else {
                                attr.translateY = translatedThreshold;
                        }
                        series.group.attr(attr);

                } else { // run the animation

                        attr.scaleY = 1;
                        attr[inverted ? 'translateX' : 'translateY'] = yAxis.pos;
                        series.group.animate(attr, series.options.animation);

                        // delete this function to allow it only once
                        series.animate = null;
                }
        }
},

/**
 * Remove this series from the chart
 */
remove: function () {
        var series = this,
                chart = series.chart;

        // column and bar series affects other series of the same type
        // as they are either stacked or grouped
        if (chart.hasRendered) {
                each(chart.series, function (otherSeries) {
                        if (otherSeries.type === series.type) {
                                otherSeries.isDirty = true;
                        }
                });
        }

        Series.prototype.remove.apply(series, arguments);
}

}); seriesTypes.column = ColumnSeries; /**

* Set the default options for bar
*/

defaultPlotOptions.bar = merge(defaultPlotOptions.column); /**

* The Bar series class
*/

var BarSeries = extendClass(ColumnSeries, {

type: 'bar',
inverted: true

}); seriesTypes.bar = BarSeries;

/**

* Set the default options for scatter
*/

defaultPlotOptions.scatter = merge(defaultSeriesOptions, {

lineWidth: 0,
tooltip: {
        headerFormat: '<span style="color:{series.color}">\u25CF</span> <span style="font-size: 10px;"> {series.name}</span><br/>', // docs
        pointFormat: 'x: <b>{point.x}</b><br/>y: <b>{point.y}</b><br/>'
},
stickyTracking: false

});

/**

* The scatter series class
*/

var ScatterSeries = extendClass(Series, {

type: 'scatter',
sorted: false,
requireSorting: false,
noSharedTooltip: true,
trackerGroups: ['markerGroup'],
takeOrdinalPosition: false, // #2342
singularTooltips: true,
drawGraph: function () {
        if (this.options.lineWidth) {
                Series.prototype.drawGraph.call(this);
        }
}

});

seriesTypes.scatter = ScatterSeries;

/**

* Set the default options for pie
*/

defaultPlotOptions.pie = merge(defaultSeriesOptions, {

borderColor: '#FFFFFF',
borderWidth: 1,
center: [null, null],
clip: false,
colorByPoint: true, // always true for pies
dataLabels: {
        // align: null,
        // connectorWidth: 1,
        // connectorColor: point.color,
        // connectorPadding: 5,
        distance: 30,
        enabled: true,
        formatter: function () {
                return this.point.name;
        }
        // softConnector: true,
        //y: 0
},
ignoreHiddenPoint: true,
//innerSize: 0,
legendType: 'point',
marker: null, // point options are specified in the base options
size: null,
showInLegend: false,
slicedOffset: 10,
states: {
        hover: {
                brightness: 0.1,
                shadow: false
        }
},
stickyTracking: false,
tooltip: {
        followPointer: true
}

});

/**

* Extended point object for pies
*/

var PiePoint = extendClass(Point, {

/**
 * Initiate the pie slice
 */
init: function () {

        Point.prototype.init.apply(this, arguments);

        var point = this,
                toggleSlice;

        // Disallow negative values (#1530)
        if (point.y < 0) {
                point.y = null;
        }

        //visible: options.visible !== false,
        extend(point, {
                visible: point.visible !== false,
                name: pick(point.name, 'Slice')
        });

        // add event listener for select
        toggleSlice = function (e) {
                point.slice(e.type === 'select');
        };
        addEvent(point, 'select', toggleSlice);
        addEvent(point, 'unselect', toggleSlice);

        return point;
},

/**
 * Toggle the visibility of the pie slice
 * @param {Boolean} vis Whether to show the slice or not. If undefined, the
 *    visibility is toggled
 */
setVisible: function (vis) {
        var point = this,
                series = point.series,
                chart = series.chart;

        // if called without an argument, toggle visibility
        point.visible = point.options.visible = vis = vis === UNDEFINED ? !point.visible : vis;
        series.options.data[inArray(point, series.data)] = point.options; // update userOptions.data

        // Show and hide associated elements
        each(['graphic', 'dataLabel', 'connector', 'shadowGroup'], function (key) {
                if (point[key]) {
                        point[key][vis ? 'show' : 'hide'](true);
                }
        });

        if (point.legendItem) {
                chart.legend.colorizeItem(point, vis);
        }

        // Handle ignore hidden slices
        if (!series.isDirty && series.options.ignoreHiddenPoint) {
                series.isDirty = true;
                chart.redraw();
        }
},

/**
 * Set or toggle whether the slice is cut out from the pie
 * @param {Boolean} sliced When undefined, the slice state is toggled
 * @param {Boolean} redraw Whether to redraw the chart. True by default.
 */
slice: function (sliced, redraw, animation) {
        var point = this,
                series = point.series,
                chart = series.chart,
                translation;

        setAnimation(animation, chart);

        // redraw is true by default
        redraw = pick(redraw, true);

        // if called without an argument, toggle
        point.sliced = point.options.sliced = sliced = defined(sliced) ? sliced : !point.sliced;
        series.options.data[inArray(point, series.data)] = point.options; // update userOptions.data

        translation = sliced ? point.slicedTranslation : {
                translateX: 0,
                translateY: 0
        };

        point.graphic.animate(translation);

        if (point.shadowGroup) {
                point.shadowGroup.animate(translation);
        }

},

haloPath: function (size) {
        var shapeArgs = this.shapeArgs,
                chart = this.series.chart;

        return this.series.chart.renderer.symbols.arc(chart.plotLeft + shapeArgs.x, chart.plotTop + shapeArgs.y, shapeArgs.r + size, shapeArgs.r + size, {
                innerR: this.shapeArgs.r,
                start: shapeArgs.start,
                end: shapeArgs.end
        });
}

});

/**

* The Pie series class
*/

var PieSeries = {

type: 'pie',
isCartesian: false,
pointClass: PiePoint,
requireSorting: false,
noSharedTooltip: true,
trackerGroups: ['group', 'dataLabelsGroup'],
axisTypes: [],
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
        stroke: 'borderColor',
        'stroke-width': 'borderWidth',
        fill: 'color'
},
singularTooltips: true,

/**
 * Pies have one color each point
 */
getColor: noop,

/**
 * Animate the pies in
 */
animate: function (init) {
        var series = this,
                points = series.points,
                startAngleRad = series.startAngleRad;

        if (!init) {
                each(points, function (point) {
                        var graphic = point.graphic,
                                args = point.shapeArgs;

                        if (graphic) {
                                // start values
                                graphic.attr({
                                        r: series.center[3] / 2, // animate from inner radius (#779)
                                        start: startAngleRad,
                                        end: startAngleRad
                                });

                                // animate
                                graphic.animate({
                                        r: args.r,
                                        start: args.start,
                                        end: args.end
                                }, series.options.animation);
                        }
                });

                // delete this function to allow it only once
                series.animate = null;
        }
},

/**
 * Extend the basic setData method by running processData and generatePoints immediately,
 * in order to access the points from the legend.
 */
setData: function (data, redraw, animation, updatePoints) {
        Series.prototype.setData.call(this, data, false, animation, updatePoints);
        this.processData();
        this.generatePoints();
        if (pick(redraw, true)) {
                this.chart.redraw(animation);
        } 
},

/**
 * Extend the generatePoints method by adding total and percentage properties to each point
 */
generatePoints: function () {
        var i,
                total = 0,
                points,
                len,
                point,
                ignoreHiddenPoint = this.options.ignoreHiddenPoint;

        Series.prototype.generatePoints.call(this);

        // Populate local vars
        points = this.points;
        len = points.length;

        // Get the total sum
        for (i = 0; i < len; i++) {
                point = points[i];
                total += (ignoreHiddenPoint && !point.visible) ? 0 : point.y;
        }
        this.total = total;

        // Set each point's properties
        for (i = 0; i < len; i++) {
                point = points[i];
                point.percentage = total > 0 ? (point.y / total) * 100 : 0;
                point.total = total;
        }

},

/**
 * Do translation for pie slices
 */
translate: function (positions) {
        this.generatePoints();

        var series = this,
                cumulative = 0,
                precision = 1000, // issue #172
                options = series.options,
                slicedOffset = options.slicedOffset,
                connectorOffset = slicedOffset + options.borderWidth,
                start,
                end,
                angle,
                startAngle = options.startAngle || 0,
                startAngleRad = series.startAngleRad = mathPI / 180 * (startAngle - 90),
                endAngleRad = series.endAngleRad = mathPI / 180 * ((pick(options.endAngle, startAngle + 360)) - 90),
                circ = endAngleRad - startAngleRad, //2 * mathPI,
                points = series.points,
                radiusX, // the x component of the radius vector for a given point
                radiusY,
                labelDistance = options.dataLabels.distance,
                ignoreHiddenPoint = options.ignoreHiddenPoint,
                i,
                len = points.length,
                point;

        // Get positions - either an integer or a percentage string must be given.
        // If positions are passed as a parameter, we're in a recursive loop for adjusting
        // space for data labels.
        if (!positions) {
                series.center = positions = series.getCenter();
        }

        // utility for getting the x value from a given y, used for anticollision logic in data labels
        series.getX = function (y, left) {

                angle = math.asin(mathMin((y - positions[1]) / (positions[2] / 2 + labelDistance), 1));

                return positions[0] +
                        (left ? -1 : 1) *
                        (mathCos(angle) * (positions[2] / 2 + labelDistance));
        };

        // Calculate the geometry for each point
        for (i = 0; i < len; i++) {

                point = points[i];

                // set start and end angle
                start = startAngleRad + (cumulative * circ);
                if (!ignoreHiddenPoint || point.visible) {
                        cumulative += point.percentage / 100;
                }
                end = startAngleRad + (cumulative * circ);

                // set the shape
                point.shapeType = 'arc';
                point.shapeArgs = {
                        x: positions[0],
                        y: positions[1],
                        r: positions[2] / 2,
                        innerR: positions[3] / 2,
                        start: mathRound(start * precision) / precision,
                        end: mathRound(end * precision) / precision
                };

                // The angle must stay within -90 and 270 (#2645)
                angle = (end + start) / 2;
                if (angle > 1.5 * mathPI) {
                        angle -= 2 * mathPI;
                } else if (angle < -mathPI / 2) {
                        angle += 2 * mathPI;
                }

                // Center for the sliced out slice
                point.slicedTranslation = {
                        translateX: mathRound(mathCos(angle) * slicedOffset),
                        translateY: mathRound(mathSin(angle) * slicedOffset)
                };

                // set the anchor point for tooltips
                radiusX = mathCos(angle) * positions[2] / 2;
                radiusY = mathSin(angle) * positions[2] / 2;
                point.tooltipPos = [
                        positions[0] + radiusX * 0.7,
                        positions[1] + radiusY * 0.7
                ];

                point.half = angle < -mathPI / 2 || angle > mathPI / 2 ? 1 : 0;
                point.angle = angle;

                // set the anchor point for data labels
                connectorOffset = mathMin(connectorOffset, labelDistance / 2); // #1678
                point.labelPos = [
                        positions[0] + radiusX + mathCos(angle) * labelDistance, // first break of connector
                        positions[1] + radiusY + mathSin(angle) * labelDistance, // a/a
                        positions[0] + radiusX + mathCos(angle) * connectorOffset, // second break, right outside pie
                        positions[1] + radiusY + mathSin(angle) * connectorOffset, // a/a
                        positions[0] + radiusX, // landing point for connector
                        positions[1] + radiusY, // a/a
                        labelDistance < 0 ? // alignment
                                'center' :
                                point.half ? 'right' : 'left', // alignment
                        angle // center angle
                ];

        }
},

drawGraph: null,

/**
 * Draw the data points
 */
drawPoints: function () {
        var series = this,
                chart = series.chart,
                renderer = chart.renderer,
                groupTranslation,
                //center,
                graphic,
                //group,
                shadow = series.options.shadow,
                shadowGroup,
                shapeArgs;

        if (shadow && !series.shadowGroup) {
                series.shadowGroup = renderer.g('shadow')
                        .add(series.group);
        }

        // draw the slices
        each(series.points, function (point) {
                graphic = point.graphic;
                shapeArgs = point.shapeArgs;
                shadowGroup = point.shadowGroup;

                // put the shadow behind all points
                if (shadow && !shadowGroup) {
                        shadowGroup = point.shadowGroup = renderer.g('shadow')
                                .add(series.shadowGroup);
                }

                // if the point is sliced, use special translation, else use plot area traslation
                groupTranslation = point.sliced ? point.slicedTranslation : {
                        translateX: 0,
                        translateY: 0
                };

                //group.translate(groupTranslation[0], groupTranslation[1]);
                if (shadowGroup) {
                        shadowGroup.attr(groupTranslation);
                }

                // draw the slice
                if (graphic) {
                        graphic.animate(extend(shapeArgs, groupTranslation));
                } else {
                        point.graphic = graphic = renderer[point.shapeType](shapeArgs)
                                .setRadialReference(series.center)
                                .attr(
                                        point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE]
                                )
                                .attr({ 
                                        'stroke-linejoin': 'round'
                                        //zIndex: 1 // #2722 (reversed)
                                })
                                .attr(groupTranslation)
                                .add(series.group)
                                .shadow(shadow, shadowGroup);   
                }

                // detect point specific visibility (#2430)
                if (point.visible !== undefined) {
                        point.setVisible(point.visible);
                }

        });

},

/**
 * Utility for sorting data labels
 */
sortByAngle: function (points, sign) {
        points.sort(function (a, b) {
                return a.angle !== undefined && (b.angle - a.angle) * sign;
        });
},              

/**
 * Use a simple symbol from LegendSymbolMixin
 */
drawLegendSymbol: LegendSymbolMixin.drawRectangle,

/**
 * Use the getCenter method from drawLegendSymbol
 */
getCenter: CenteredSeriesMixin.getCenter,

/**
 * Pies don't have point marker symbols
 */
getSymbol: noop

}; PieSeries = extendClass(Series, PieSeries); seriesTypes.pie = PieSeries;

/**

* Draw the data labels
*/

Series.prototype.drawDataLabels = function () {

var series = this,
        seriesOptions = series.options,
        cursor = seriesOptions.cursor,
        options = seriesOptions.dataLabels,
        points = series.points,
        pointOptions,
        generalOptions,
        str,
        dataLabelsGroup;

if (options.enabled || series._hasPointLabels) {

        // Process default alignment of data labels for columns
        if (series.dlProcessOptions) {
                series.dlProcessOptions(options);
        }

        // Create a separate group for the data labels to avoid rotation
        dataLabelsGroup = series.plotGroup(
                'dataLabelsGroup',
                'data-labels',
                HIDDEN,
                options.zIndex || 6
        );

        if (!series.hasRendered && pick(options.defer, true)) {
                dataLabelsGroup.attr({ opacity: 0 });
                addEvent(series, 'afterAnimate', function () {
                        series.dataLabelsGroup.show()[seriesOptions.animation ? 'animate' : 'attr']({ opacity: 1 }, { duration: 200 });
                });
        }

        // Make the labels for each point
        generalOptions = options;
        each(points, function (point) {

                var enabled,
                        dataLabel = point.dataLabel,
                        labelConfig,
                        attr,
                        name,
                        rotation,
                        connector = point.connector,
                        isNew = true;

                // Determine if each data label is enabled
                pointOptions = point.options && point.options.dataLabels;
                enabled = pick(pointOptions && pointOptions.enabled, generalOptions.enabled); // #2282

                // If the point is outside the plot area, destroy it. #678, #820
                if (dataLabel && !enabled) {
                        point.dataLabel = dataLabel.destroy();

                // Individual labels are disabled if the are explicitly disabled
                // in the point options, or if they fall outside the plot area.
                } else if (enabled) {

                        // Create individual options structure that can be extended without
                        // affecting others
                        options = merge(generalOptions, pointOptions);

                        rotation = options.rotation;

                        // Get the string
                        labelConfig = point.getLabelConfig();
                        str = options.format ?
                                format(options.format, labelConfig) :
                                options.formatter.call(labelConfig, options);

                        // Determine the color
                        options.style.color = pick(options.color, options.style.color, series.color, 'black');

                        // update existing label
                        if (dataLabel) {

                                if (defined(str)) {
                                        dataLabel
                                                .attr({
                                                        text: str
                                                });
                                        isNew = false;

                                } else { // #1437 - the label is shown conditionally
                                        point.dataLabel = dataLabel = dataLabel.destroy();
                                        if (connector) {
                                                point.connector = connector.destroy();
                                        }
                                }

                        // create new label
                        } else if (defined(str)) {
                                attr = {
                                        //align: align,
                                        fill: options.backgroundColor,
                                        stroke: options.borderColor,
                                        'stroke-width': options.borderWidth,
                                        r: options.borderRadius || 0,
                                        rotation: rotation,
                                        padding: options.padding,
                                        zIndex: 1
                                };
                                // Remove unused attributes (#947)
                                for (name in attr) {
                                        if (attr[name] === UNDEFINED) {
                                                delete attr[name];
                                        }
                                }

                                dataLabel = point.dataLabel = series.chart.renderer[rotation ? 'text' : 'label']( // labels don't support rotation
                                        str,
                                        0,
                                        -999,
                                        null,
                                        null,
                                        null,
                                        options.useHTML
                                )
                                .attr(attr)
                                .css(extend(options.style, cursor && { cursor: cursor }))
                                .add(dataLabelsGroup)
                                .shadow(options.shadow);

                        }

                        if (dataLabel) {
                                // Now the data label is created and placed at 0,0, so we need to align it
                                series.alignDataLabel(point, dataLabel, options, null, isNew);
                        }
                }
        });
}

};

/**

* Align each individual data label
*/

Series.prototype.alignDataLabel = function (point, dataLabel, options, alignTo, isNew) {

var chart = this.chart,
        inverted = chart.inverted,
        plotX = pick(point.plotX, -999),
        plotY = pick(point.plotY, -999),
        bBox = dataLabel.getBBox(),
        // Math.round for rounding errors (#2683), alignTo to allow column labels (#2700)
        visible = this.visible && (point.series.forceDL || chart.isInsidePlot(plotX, mathRound(plotY), inverted) ||
                (alignTo && chart.isInsidePlot(plotX, inverted ? alignTo.x + 1 : alignTo.y + alignTo.height - 1, inverted))),
        alignAttr; // the final position;

if (visible) {

        // The alignment box is a singular point
        alignTo = extend({
                x: inverted ? chart.plotWidth - plotY : plotX,
                y: mathRound(inverted ? chart.plotHeight - plotX : plotY),
                width: 0,
                height: 0
        }, alignTo);

        // Add the text size for alignment calculation
        extend(options, {
                width: bBox.width,
                height: bBox.height
        });

        // Allow a hook for changing alignment in the last moment, then do the alignment
        if (options.rotation) { // Fancy box alignment isn't supported for rotated text
                alignAttr = {
                        align: options.align,
                        x: alignTo.x + options.x + alignTo.width / 2,
                        y: alignTo.y + options.y + alignTo.height / 2
                };
                dataLabel[isNew ? 'attr' : 'animate'](alignAttr);
        } else {
                dataLabel.align(options, null, alignTo);
                alignAttr = dataLabel.alignAttr;

                // Handle justify or crop
                if (pick(options.overflow, 'justify') === 'justify') {
                        this.justifyDataLabel(dataLabel, options, alignAttr, bBox, alignTo, isNew);

                } else if (pick(options.crop, true)) {
                        // Now check that the data label is within the plot area
                        visible = chart.isInsidePlot(alignAttr.x, alignAttr.y) && chart.isInsidePlot(alignAttr.x + bBox.width, alignAttr.y + bBox.height);

                }
        }
}

// Show or hide based on the final aligned position
if (!visible) {
        dataLabel.attr({ y: -999 });
        dataLabel.placed = false; // don't animate back in
}

};

/**

* If data labels fall partly outside the plot area, align them back in, in a way that
* doesn't hide the point.
*/

Series.prototype.justifyDataLabel = function (dataLabel, options, alignAttr, bBox, alignTo, isNew) {

var chart = this.chart,
        align = options.align,
        verticalAlign = options.verticalAlign,
        off,
        justified;

// Off left
off = alignAttr.x;
if (off < 0) {
        if (align === 'right') {
                options.align = 'left';
        } else {
                options.x = -off;
        }
        justified = true;
}

// Off right
off = alignAttr.x + bBox.width;
if (off > chart.plotWidth) {
        if (align === 'left') {
                options.align = 'right';
        } else {
                options.x = chart.plotWidth - off;
        }
        justified = true;
}

// Off top
off = alignAttr.y;
if (off < 0) {
        if (verticalAlign === 'bottom') {
                options.verticalAlign = 'top';
        } else {
                options.y = -off;
        }
        justified = true;
}

// Off bottom
off = alignAttr.y + bBox.height;
if (off > chart.plotHeight) {
        if (verticalAlign === 'top') {
                options.verticalAlign = 'bottom';
        } else {
                options.y = chart.plotHeight - off;
        }
        justified = true;
}

if (justified) {
        dataLabel.placed = !isNew;
        dataLabel.align(options, null, alignTo);
}

};

/**

* Override the base drawDataLabels method by pie specific functionality
*/

if (seriesTypes.pie) {

seriesTypes.pie.prototype.drawDataLabels = function () {
        var series = this,
                data = series.data,
                point,
                chart = series.chart,
                options = series.options.dataLabels,
                connectorPadding = pick(options.connectorPadding, 10),
                connectorWidth = pick(options.connectorWidth, 1),
                plotWidth = chart.plotWidth,
                plotHeight = chart.plotHeight,
                connector,
                connectorPath,
                softConnector = pick(options.softConnector, true),
                distanceOption = options.distance,
                seriesCenter = series.center,
                radius = seriesCenter[2] / 2,
                centerY = seriesCenter[1],
                outside = distanceOption > 0,
                dataLabel,
                dataLabelWidth,
                labelPos,
                labelHeight,
                halves = [// divide the points into right and left halves for anti collision
                        [], // right
                        []  // left
                ],
                x,
                y,
                visibility,
                rankArr,
                i,
                j,
                overflow = [0, 0, 0, 0], // top, right, bottom, left
                sort = function (a, b) {
                        return b.y - a.y;
                };

        // get out if not enabled
        if (!series.visible || (!options.enabled && !series._hasPointLabels)) {
                return;
        }

        // run parent method
        Series.prototype.drawDataLabels.apply(series);

        // arrange points for detection collision
        each(data, function (point) {
                if (point.dataLabel && point.visible) { // #407, #2510
                        halves[point.half].push(point);
                }
        });

        // assume equal label heights
        i = 0;
        while (!labelHeight && data[i]) { // #1569
                labelHeight = data[i] && data[i].dataLabel && (data[i].dataLabel.getBBox().height || 21); // 21 is for #968
                i++;
        }

        /* Loop over the points in each half, starting from the top and bottom
         * of the pie to detect overlapping labels.
         */
        i = 2;
        while (i--) {

                var slots = [],
                        slotsLength,
                        usedSlots = [],
                        points = halves[i],
                        pos,
                        length = points.length,
                        slotIndex;

                // Sort by angle
                series.sortByAngle(points, i - 0.5);

                // Only do anti-collision when we are outside the pie and have connectors (#856)
                if (distanceOption > 0) {

                        // build the slots
                        for (pos = centerY - radius - distanceOption; pos <= centerY + radius + distanceOption; pos += labelHeight) {
                                slots.push(pos);

                                // visualize the slot
                                /*
                                var slotX = series.getX(pos, i) + chart.plotLeft - (i ? 100 : 0),
                                        slotY = pos + chart.plotTop;
                                if (!isNaN(slotX)) {
                                        chart.renderer.rect(slotX, slotY - 7, 100, labelHeight, 1)
                                                .attr({
                                                        'stroke-width': 1,
                                                        stroke: 'silver'
                                                })
                                                .add();
                                        chart.renderer.text('Slot '+ (slots.length - 1), slotX, slotY + 4)
                                                .attr({
                                                        fill: 'silver'
                                                }).add();
                                }
                                */
                        }
                        slotsLength = slots.length;

                        // if there are more values than available slots, remove lowest values
                        if (length > slotsLength) {
                                // create an array for sorting and ranking the points within each quarter
                                rankArr = [].concat(points);
                                rankArr.sort(sort);
                                j = length;
                                while (j--) {
                                        rankArr[j].rank = j;
                                }
                                j = length;
                                while (j--) {
                                        if (points[j].rank >= slotsLength) {
                                                points.splice(j, 1);
                                        }
                                }
                                length = points.length;
                        }

                        // The label goes to the nearest open slot, but not closer to the edge than
                        // the label's index.
                        for (j = 0; j < length; j++) {

                                point = points[j];
                                labelPos = point.labelPos;

                                var closest = 9999,
                                        distance,
                                        slotI;

                                // find the closest slot index
                                for (slotI = 0; slotI < slotsLength; slotI++) {
                                        distance = mathAbs(slots[slotI] - labelPos[1]);
                                        if (distance < closest) {
                                                closest = distance;
                                                slotIndex = slotI;
                                        }
                                }

                                // if that slot index is closer to the edges of the slots, move it
                                // to the closest appropriate slot
                                if (slotIndex < j && slots[j] !== null) { // cluster at the top
                                        slotIndex = j;
                                } else if (slotsLength  < length - j + slotIndex && slots[j] !== null) { // cluster at the bottom
                                        slotIndex = slotsLength - length + j;
                                        while (slots[slotIndex] === null) { // make sure it is not taken
                                                slotIndex++;
                                        }
                                } else {
                                        // Slot is taken, find next free slot below. In the next run, the next slice will find the
                                        // slot above these, because it is the closest one
                                        while (slots[slotIndex] === null) { // make sure it is not taken
                                                slotIndex++;
                                        }
                                }

                                usedSlots.push({ i: slotIndex, y: slots[slotIndex] });
                                slots[slotIndex] = null; // mark as taken
                        }
                        // sort them in order to fill in from the top
                        usedSlots.sort(sort);
                }

                // now the used slots are sorted, fill them up sequentially
                for (j = 0; j < length; j++) {

                        var slot, naturalY;

                        point = points[j];
                        labelPos = point.labelPos;
                        dataLabel = point.dataLabel;
                        visibility = point.visible === false ? HIDDEN : VISIBLE;
                        naturalY = labelPos[1];

                        if (distanceOption > 0) {
                                slot = usedSlots.pop();
                                slotIndex = slot.i;

                                // if the slot next to currrent slot is free, the y value is allowed
                                // to fall back to the natural position
                                y = slot.y;
                                if ((naturalY > y && slots[slotIndex + 1] !== null) ||
                                                (naturalY < y &&  slots[slotIndex - 1] !== null)) {
                                        y = naturalY;
                                }

                        } else {
                                y = naturalY;
                        }

                        // get the x - use the natural x position for first and last slot, to prevent the top
                        // and botton slice connectors from touching each other on either side
                        x = options.justify ?
                                seriesCenter[0] + (i ? -1 : 1) * (radius + distanceOption) :
                                series.getX(slotIndex === 0 || slotIndex === slots.length - 1 ? naturalY : y, i);

                        // Record the placement and visibility
                        dataLabel._attr = {
                                visibility: visibility,
                                align: labelPos[6]
                        };
                        dataLabel._pos = {
                                x: x + options.x +
                                        ({ left: connectorPadding, right: -connectorPadding }[labelPos[6]] || 0),
                                y: y + options.y - 10 // 10 is for the baseline (label vs text)
                        };
                        dataLabel.connX = x;
                        dataLabel.connY = y;

                        // Detect overflowing data labels
                        if (this.options.size === null) {
                                dataLabelWidth = dataLabel.width;
                                // Overflow left
                                if (x - dataLabelWidth < connectorPadding) {
                                        overflow[3] = mathMax(mathRound(dataLabelWidth - x + connectorPadding), overflow[3]);

                                // Overflow right
                                } else if (x + dataLabelWidth > plotWidth - connectorPadding) {
                                        overflow[1] = mathMax(mathRound(x + dataLabelWidth - plotWidth + connectorPadding), overflow[1]);
                                }

                                // Overflow top
                                if (y - labelHeight / 2 < 0) {
                                        overflow[0] = mathMax(mathRound(-y + labelHeight / 2), overflow[0]);

                                // Overflow left
                                } else if (y + labelHeight / 2 > plotHeight) {
                                        overflow[2] = mathMax(mathRound(y + labelHeight / 2 - plotHeight), overflow[2]);
                                }
                        }
                } // for each point
        } // for each half

        // Do not apply the final placement and draw the connectors until we have verified
        // that labels are not spilling over.
        if (arrayMax(overflow) === 0 || this.verifyDataLabelOverflow(overflow)) {

                // Place the labels in the final position
                this.placeDataLabels();

                // Draw the connectors
                if (outside && connectorWidth) {
                        each(this.points, function (point) {
                                connector = point.connector;
                                labelPos = point.labelPos;
                                dataLabel = point.dataLabel;

                                if (dataLabel && dataLabel._pos) {
                                        visibility = dataLabel._attr.visibility;
                                        x = dataLabel.connX;
                                        y = dataLabel.connY;
                                        connectorPath = softConnector ? [
                                                M,
                                                x + (labelPos[6] === 'left' ? 5 : -5), y, // end of the string at the label
                                                'C',
                                                x, y, // first break, next to the label
                                                2 * labelPos[2] - labelPos[4], 2 * labelPos[3] - labelPos[5],
                                                labelPos[2], labelPos[3], // second break
                                                L,
                                                labelPos[4], labelPos[5] // base
                                        ] : [
                                                M,
                                                x + (labelPos[6] === 'left' ? 5 : -5), y, // end of the string at the label
                                                L,
                                                labelPos[2], labelPos[3], // second break
                                                L,
                                                labelPos[4], labelPos[5] // base
                                        ];

                                        if (connector) {
                                                connector.animate({ d: connectorPath });
                                                connector.attr('visibility', visibility);

                                        } else {
                                                point.connector = connector = series.chart.renderer.path(connectorPath).attr({
                                                        'stroke-width': connectorWidth,
                                                        stroke: options.connectorColor || point.color || '#606060',
                                                        visibility: visibility
                                                        //zIndex: 0 // #2722 (reversed)
                                                })
                                                .add(series.dataLabelsGroup);
                                        }
                                } else if (connector) {
                                        point.connector = connector.destroy();
                                }
                        });
                }
        }
};
/**
 * Perform the final placement of the data labels after we have verified that they
 * fall within the plot area.
 */
seriesTypes.pie.prototype.placeDataLabels = function () {
        each(this.points, function (point) {
                var dataLabel = point.dataLabel,
                        _pos;

                if (dataLabel) {
                        _pos = dataLabel._pos;
                        if (_pos) {
                                dataLabel.attr(dataLabel._attr);
                                dataLabel[dataLabel.moved ? 'animate' : 'attr'](_pos);
                                dataLabel.moved = true;
                        } else if (dataLabel) {
                                dataLabel.attr({ y: -999 });
                        }
                }
        });
};

seriesTypes.pie.prototype.alignDataLabel =  noop;

/**
 * Verify whether the data labels are allowed to draw, or we should run more translation and data
 * label positioning to keep them inside the plot area. Returns true when data labels are ready
 * to draw.
 */
seriesTypes.pie.prototype.verifyDataLabelOverflow = function (overflow) {

        var center = this.center,
                options = this.options,
                centerOption = options.center,
                minSize = options.minSize || 80,
                newSize = minSize,
                ret;

        // Handle horizontal size and center
        if (centerOption[0] !== null) { // Fixed center
                newSize = mathMax(center[2] - mathMax(overflow[1], overflow[3]), minSize);

        } else { // Auto center
                newSize = mathMax(
                        center[2] - overflow[1] - overflow[3], // horizontal overflow
                        minSize
                );
                center[0] += (overflow[3] - overflow[1]) / 2; // horizontal center
        }

        // Handle vertical size and center
        if (centerOption[1] !== null) { // Fixed center
                newSize = mathMax(mathMin(newSize, center[2] - mathMax(overflow[0], overflow[2])), minSize);

        } else { // Auto center
                newSize = mathMax(
                        mathMin(
                                newSize,
                                center[2] - overflow[0] - overflow[2] // vertical overflow
                        ),
                        minSize
                );
                center[1] += (overflow[0] - overflow[2]) / 2; // vertical center
        }

        // If the size must be decreased, we need to run translate and drawDataLabels again
        if (newSize < center[2]) {
                center[2] = newSize;
                this.translate(center);
                each(this.points, function (point) {
                        if (point.dataLabel) {
                                point.dataLabel._pos = null; // reset
                        }
                });

                if (this.drawDataLabels) {
                        this.drawDataLabels();
                }
        // Else, return true to indicate that the pie and its labels is within the plot area
        } else {
                ret = true;
        }
        return ret;
};

}

if (seriesTypes.column) {

/**
 * Override the basic data label alignment by adjusting for the position of the column
 */
seriesTypes.column.prototype.alignDataLabel = function (point, dataLabel, options,  alignTo, isNew) {
        var chart = this.chart,
                inverted = chart.inverted,
                dlBox = point.dlBox || point.shapeArgs, // data label box for alignment
                below = point.below || (point.plotY > pick(this.translatedThreshold, chart.plotSizeY)),
                inside = pick(options.inside, !!this.options.stacking); // draw it inside the box?

        // Align to the column itself, or the top of it
        if (dlBox) { // Area range uses this method but not alignTo
                alignTo = merge(dlBox);

                if (inverted) {
                        alignTo = {
                                x: chart.plotWidth - alignTo.y - alignTo.height,
                                y: chart.plotHeight - alignTo.x - alignTo.width,
                                width: alignTo.height,
                                height: alignTo.width
                        };
                }

                // Compute the alignment box
                if (!inside) {
                        if (inverted) {
                                alignTo.x += below ? 0 : alignTo.width;
                                alignTo.width = 0;
                        } else {
                                alignTo.y += below ? alignTo.height : 0;
                                alignTo.height = 0;
                        }
                }
        }

        // When alignment is undefined (typically columns and bars), display the individual
        // point below or above the point depending on the threshold
        options.align = pick(
                options.align,
                !inverted || inside ? 'center' : below ? 'right' : 'left'
        );
        options.verticalAlign = pick(
                options.verticalAlign,
                inverted || inside ? 'middle' : below ? 'top' : 'bottom'
        );

        // Call the parent method
        Series.prototype.alignDataLabel.call(this, point, dataLabel, options, alignTo, isNew);
};

}

/**

* TrackerMixin for points and graphs
*/

var TrackerMixin = Highcharts.TrackerMixin = {

drawTrackerPoint: function () {
        var series = this,
                chart = series.chart,
                pointer = chart.pointer,
                cursor = series.options.cursor,
                css = cursor && { cursor: cursor },
                onMouseOver = function (e) {
                        var target = e.target,
                        point;

                        if (chart.hoverSeries !== series) {
                                series.onMouseOver();
                        }

                        while (target && !point) {
                                point = target.point;
                                target = target.parentNode;
                        }

                        if (point !== UNDEFINED && point !== chart.hoverPoint) { // undefined on graph in scatterchart
                                point.onMouseOver(e);
                        }
                };

        // Add reference to the point
        each(series.points, function (point) {
                if (point.graphic) {
                        point.graphic.element.point = point;
                }
                if (point.dataLabel) {
                        point.dataLabel.element.point = point;
                }
        });

        // Add the event listeners, we need to do this only once
        if (!series._hasTracking) {
                each(series.trackerGroups, function (key) {
                        if (series[key]) { // we don't always have dataLabelsGroup
                                series[key]
                                        .addClass(PREFIX + 'tracker')
                                        .on('mouseover', onMouseOver)
                                        .on('mouseout', function (e) { pointer.onTrackerMouseOut(e); })
                                        .css(css);
                                if (hasTouch) {
                                        series[key].on('touchstart', onMouseOver);
                                }
                        }
                });
                series._hasTracking = true;
        }
},

/**
 * Draw the tracker object that sits above all data labels and markers to
 * track mouse events on the graph or points. For the line type charts
 * the tracker uses the same graphPath, but with a greater stroke width
 * for better control.
 */
drawTrackerGraph: function () {
        var series = this,
                options = series.options,
                trackByArea = options.trackByArea,
                trackerPath = [].concat(trackByArea ? series.areaPath : series.graphPath),
                trackerPathLength = trackerPath.length,
                chart = series.chart,
                pointer = chart.pointer,
                renderer = chart.renderer,
                snap = chart.options.tooltip.snap,
                tracker = series.tracker,
                cursor = options.cursor,
                css = cursor && { cursor: cursor },
                singlePoints = series.singlePoints,
                singlePoint,
                i,
                onMouseOver = function () {
                        if (chart.hoverSeries !== series) {
                                series.onMouseOver();
                        }
                },
                /*
                 * Empirical lowest possible opacities for TRACKER_FILL for an element to stay invisible but clickable
                 * IE6: 0.002
                 * IE7: 0.002
                 * IE8: 0.002
                 * IE9: 0.00000000001 (unlimited)
                 * IE10: 0.0001 (exporting only)
                 * FF: 0.00000000001 (unlimited)
                 * Chrome: 0.000001
                 * Safari: 0.000001
                 * Opera: 0.00000000001 (unlimited)
                 */
                TRACKER_FILL = 'rgba(192,192,192,' + (hasSVG ? 0.0001 : 0.002) + ')';

        // Extend end points. A better way would be to use round linecaps,
        // but those are not clickable in VML.
        if (trackerPathLength && !trackByArea) {
                i = trackerPathLength + 1;
                while (i--) {
                        if (trackerPath[i] === M) { // extend left side
                                trackerPath.splice(i + 1, 0, trackerPath[i + 1] - snap, trackerPath[i + 2], L);
                        }
                        if ((i && trackerPath[i] === M) || i === trackerPathLength) { // extend right side
                                trackerPath.splice(i, 0, L, trackerPath[i - 2] + snap, trackerPath[i - 1]);
                        }
                }
        }

        // handle single points
        for (i = 0; i < singlePoints.length; i++) {
                singlePoint = singlePoints[i];
                trackerPath.push(M, singlePoint.plotX - snap, singlePoint.plotY,
                L, singlePoint.plotX + snap, singlePoint.plotY);
        }

        // draw the tracker
        if (tracker) {
                tracker.attr({ d: trackerPath });
        } else { // create

                series.tracker = renderer.path(trackerPath)
                .attr({
                        'stroke-linejoin': 'round', // #1225
                        visibility: series.visible ? VISIBLE : HIDDEN,
                        stroke: TRACKER_FILL,
                        fill: trackByArea ? TRACKER_FILL : NONE,
                        'stroke-width' : options.lineWidth + (trackByArea ? 0 : 2 * snap),
                        zIndex: 2
                })
                .add(series.group);

                // The tracker is added to the series group, which is clipped, but is covered
                // by the marker group. So the marker group also needs to capture events.
                each([series.tracker, series.markerGroup], function (tracker) {
                        tracker.addClass(PREFIX + 'tracker')
                                .on('mouseover', onMouseOver)
                                .on('mouseout', function (e) { pointer.onTrackerMouseOut(e); })
                                .css(css);

                        if (hasTouch) {
                                tracker.on('touchstart', onMouseOver);
                        }
                });
        }
}

}; /* End TrackerMixin */

/**

* Add tracking event listener to the series group, so the point graphics
* themselves act as trackers
*/

if (seriesTypes.column) {

ColumnSeries.prototype.drawTracker = TrackerMixin.drawTrackerPoint;

}

if (seriesTypes.pie) {

seriesTypes.pie.prototype.drawTracker = TrackerMixin.drawTrackerPoint;

}

if (seriesTypes.scatter) {

ScatterSeries.prototype.drawTracker = TrackerMixin.drawTrackerPoint;

}

/*

* Extend Legend for item events 
*/

extend(Legend.prototype, {

setItemEvents: function (item, legendItem, useHTML, itemStyle, itemHiddenStyle) {
var legend = this;
// Set the events on the item group, or in case of useHTML, the item itself (#1249)
(useHTML ? legendItem : item.legendGroup).on('mouseover', function () {
                item.setState(HOVER_STATE);
                legendItem.css(legend.options.itemHoverStyle);
        })
        .on('mouseout', function () {
                legendItem.css(item.visible ? itemStyle : itemHiddenStyle);
                item.setState();
        })
        .on('click', function (event) {
                var strLegendItemClick = 'legendItemClick',
                        fnLegendItemClick = function () {
                                item.setVisible();
                        };

                // Pass over the click/touch event. #4.
                event = {
                        browserEvent: event
                };

                // click the name or symbol
                if (item.firePointEvent) { // point
                        item.firePointEvent(strLegendItemClick, event, fnLegendItemClick);
                } else {
                        fireEvent(item, strLegendItemClick, event, fnLegendItemClick);
                }
        });
},

createCheckboxForItem: function (item) {
        var legend = this;

        item.checkbox = createElement('input', {
                type: 'checkbox',
                checked: item.selected,
                defaultChecked: item.selected // required by IE7
        }, legend.options.itemCheckboxStyle, legend.chart.container);

        addEvent(item.checkbox, 'click', function (event) {
                var target = event.target;
                fireEvent(item, 'checkboxClick', {
                                checked: target.checked
                        },
                        function () {
                                item.select();
                        }
                );
        });
}

});

/*

* Add pointer cursor to legend itemstyle in defaultOptions
*/

defaultOptions.legend.itemStyle.cursor = ‘pointer’;

/*

* Extend the Chart object with interaction
*/

extend(Chart.prototype, {

/**
 * Display the zoom button
 */
showResetZoom: function () {
        var chart = this,
                lang = defaultOptions.lang,
                btnOptions = chart.options.chart.resetZoomButton,
                theme = btnOptions.theme,
                states = theme.states,
                alignTo = btnOptions.relativeTo === 'chart' ? null : 'plotBox';

        this.resetZoomButton = chart.renderer.button(lang.resetZoom, null, null, function () { chart.zoomOut(); }, theme, states && states.hover)
                .attr({
                        align: btnOptions.position.align,
                        title: lang.resetZoomTitle
                })
                .add()
                .align(btnOptions.position, false, alignTo);

},

/**
 * Zoom out to 1:1
 */
zoomOut: function () {
        var chart = this;
        fireEvent(chart, 'selection', { resetSelection: true }, function () { 
                chart.zoom();
        });
},

/**
 * Zoom into a given portion of the chart given by axis coordinates
 * @param {Object} event
 */
zoom: function (event) {
        var chart = this,
                hasZoomed,
                pointer = chart.pointer,
                displayButton = false,
                resetZoomButton;

        // If zoom is called with no arguments, reset the axes
        if (!event || event.resetSelection) {
                each(chart.axes, function (axis) {
                        hasZoomed = axis.zoom();
                });
        } else { // else, zoom in on all axes
                each(event.xAxis.concat(event.yAxis), function (axisData) {
                        var axis = axisData.axis,
                                isXAxis = axis.isXAxis;

                        // don't zoom more than minRange
                        if (pointer[isXAxis ? 'zoomX' : 'zoomY'] || pointer[isXAxis ? 'pinchX' : 'pinchY']) {
                                hasZoomed = axis.zoom(axisData.min, axisData.max);
                                if (axis.displayBtn) {
                                        displayButton = true;
                                }
                        }
                });
        }

        // Show or hide the Reset zoom button
        resetZoomButton = chart.resetZoomButton;
        if (displayButton && !resetZoomButton) {
                chart.showResetZoom();
        } else if (!displayButton && isObject(resetZoomButton)) {
                chart.resetZoomButton = resetZoomButton.destroy();
        }

        // Redraw
        if (hasZoomed) {
                chart.redraw(
                        pick(chart.options.chart.animation, event && event.animation, chart.pointCount < 100) // animation
                );
        }
},

/**
 * Pan the chart by dragging the mouse across the pane. This function is called
 * on mouse move, and the distance to pan is computed from chartX compared to
 * the first chartX position in the dragging operation.
 */
pan: function (e, panning) {

        var chart = this,
                hoverPoints = chart.hoverPoints,
                doRedraw;

        // remove active points for shared tooltip
        if (hoverPoints) {
                each(hoverPoints, function (point) {
                        point.setState();
                });
        }

        each(panning === 'xy' ? [1, 0] : [1], function (isX) { // xy is used in maps
                var mousePos = e[isX ? 'chartX' : 'chartY'],
                        axis = chart[isX ? 'xAxis' : 'yAxis'][0],
                        startPos = chart[isX ? 'mouseDownX' : 'mouseDownY'],
                        halfPointRange = (axis.pointRange || 0) / 2,
                        extremes = axis.getExtremes(),
                        newMin = axis.toValue(startPos - mousePos, true) + halfPointRange,
                        newMax = axis.toValue(startPos + chart[isX ? 'plotWidth' : 'plotHeight'] - mousePos, true) - halfPointRange;

                if (axis.series.length && newMin > mathMin(extremes.dataMin, extremes.min) && newMax < mathMax(extremes.dataMax, extremes.max)) {
                        axis.setExtremes(newMin, newMax, false, false, { trigger: 'pan' });
                        doRedraw = true;
                }

                chart[isX ? 'mouseDownX' : 'mouseDownY'] = mousePos; // set new reference for next run
        });

        if (doRedraw) {
                chart.redraw(false);
        }
        css(chart.container, { cursor: 'move' });
}

});

/*

* Extend the Point object with interaction
*/

extend(Point.prototype, {

/**
 * Toggle the selection status of a point
 * @param {Boolean} selected Whether to select or unselect the point.
 * @param {Boolean} accumulate Whether to add to the previous selection. By default,
 *               this happens if the control key (Cmd on Mac) was pressed during clicking.
 */
select: function (selected, accumulate) {
        var point = this,
                series = point.series,
                chart = series.chart;

        selected = pick(selected, !point.selected);

        // fire the event with the defalut handler
        point.firePointEvent(selected ? 'select' : 'unselect', { accumulate: accumulate }, function () {
                point.selected = point.options.selected = selected;
                series.options.data[inArray(point, series.data)] = point.options;

                point.setState(selected && SELECT_STATE);

                // unselect all other points unless Ctrl or Cmd + click
                if (!accumulate) {
                        each(chart.getSelectedPoints(), function (loopPoint) {
                                if (loopPoint.selected && loopPoint !== point) {
                                        loopPoint.selected = loopPoint.options.selected = false;
                                        series.options.data[inArray(loopPoint, series.data)] = loopPoint.options;
                                        loopPoint.setState(NORMAL_STATE);
                                                loopPoint.firePointEvent('unselect');
                                }
                        });
                }
        });
},

/**
 * Runs on mouse over the point
 */
onMouseOver: function (e) {
        var point = this,
                series = point.series,
                chart = series.chart,
                tooltip = chart.tooltip,
                hoverPoint = chart.hoverPoint;

        // set normal state to previous series
        if (hoverPoint && hoverPoint !== point) {
                hoverPoint.onMouseOut();
        }

        // trigger the event
        point.firePointEvent('mouseOver');

        // update the tooltip
        if (tooltip && (!tooltip.shared || series.noSharedTooltip)) {
                tooltip.refresh(point, e);
        }

        // hover this
        point.setState(HOVER_STATE);
        chart.hoverPoint = point;
},

/**
 * Runs on mouse out from the point
 */
onMouseOut: function () {
        var chart = this.series.chart,
                hoverPoints = chart.hoverPoints;

        if (!hoverPoints || inArray(this, hoverPoints) === -1) { // #887
                this.firePointEvent('mouseOut');

                this.setState();
                chart.hoverPoint = null;
        }
},

/**
 * Import events from the series' and point's options. Only do it on
 * demand, to save processing time on hovering.
 */
importEvents: function () {
        if (!this.hasImportedEvents) {
                var point = this,
                        options = merge(point.series.options.point, point.options),
                        events = options.events,
                        eventType;

                point.events = events;

                for (eventType in events) {
                        addEvent(point, eventType, events[eventType]);
                }
                this.hasImportedEvents = true;

        }
},

/**
 * Set the point's state
 * @param {String} state
 */
setState: function (state, move) {
        var point = this,
                plotX = point.plotX,
                plotY = point.plotY,
                series = point.series,
                stateOptions = series.options.states,
                markerOptions = defaultPlotOptions[series.type].marker && series.options.marker,
                normalDisabled = markerOptions && !markerOptions.enabled,
                markerStateOptions = markerOptions && markerOptions.states[state],
                stateDisabled = markerStateOptions && markerStateOptions.enabled === false,
                stateMarkerGraphic = series.stateMarkerGraphic,
                pointMarker = point.marker || {},
                chart = series.chart,
                radius,
                halo = series.halo,
                haloOptions,
                newSymbol,
                pointAttr;

        state = state || NORMAL_STATE; // empty string
        pointAttr = point.pointAttr[state] || series.pointAttr[state];

        if (
                        // already has this state
                        (state === point.state && !move) ||
                        // selected points don't respond to hover
                        (point.selected && state !== SELECT_STATE) ||
                        // series' state options is disabled
                        (stateOptions[state] && stateOptions[state].enabled === false) ||
                        // general point marker's state options is disabled
                        (state && (stateDisabled || (normalDisabled && markerStateOptions.enabled === false))) ||
                        // individual point marker's state options is disabled
                        (state && pointMarker.states && pointMarker.states[state] && pointMarker.states[state].enabled === false) // #1610

                ) {
                return;
        }

        // apply hover styles to the existing point
        if (point.graphic) {
                radius = markerOptions && point.graphic.symbolName && pointAttr.r;
                point.graphic.attr(merge(
                        pointAttr,
                        radius ? { // new symbol attributes (#507, #612)
                                x: plotX - radius,
                                y: plotY - radius,
                                width: 2 * radius,
                                height: 2 * radius
                        } : {}
                ));

                // Zooming in from a range with no markers to a range with markers
                if (stateMarkerGraphic) {
                        stateMarkerGraphic.hide();
                }
        } else {
                // if a graphic is not applied to each point in the normal state, create a shared
                // graphic for the hover state
                if (state && markerStateOptions) {
                        radius = markerStateOptions.radius;
                        newSymbol = pointMarker.symbol || series.symbol;

                        // If the point has another symbol than the previous one, throw away the
                        // state marker graphic and force a new one (#1459)
                        if (stateMarkerGraphic && stateMarkerGraphic.currentSymbol !== newSymbol) {
                                stateMarkerGraphic = stateMarkerGraphic.destroy();
                        }

                        // Add a new state marker graphic
                        if (!stateMarkerGraphic) {
                                if (newSymbol) {
                                        series.stateMarkerGraphic = stateMarkerGraphic = chart.renderer.symbol(
                                                newSymbol,
                                                plotX - radius,
                                                plotY - radius,
                                                2 * radius,
                                                2 * radius
                                        )
                                        .attr(pointAttr)
                                        .add(series.markerGroup);
                                        stateMarkerGraphic.currentSymbol = newSymbol;
                                }

                        // Move the existing graphic
                        } else {
                                stateMarkerGraphic[move ? 'animate' : 'attr']({ // #1054
                                        x: plotX - radius,
                                        y: plotY - radius
                                });
                        }
                }

                if (stateMarkerGraphic) {
                        stateMarkerGraphic[state && chart.isInsidePlot(plotX, plotY, chart.inverted) ? 'show' : 'hide'](); // #2450
                }
        }

        // Show me your halo
        haloOptions = stateOptions[state] && stateOptions[state].halo;
        if (haloOptions && haloOptions.size) {
                if (!halo) {
                        series.halo = halo = chart.renderer.path()
                                .add(series.seriesGroup);
                }
                halo.attr(extend({
                        fill: Color(point.color || series.color).setOpacity(haloOptions.opacity).get()
                }, haloOptions.attributes))[move ? 'animate' : 'attr']({
                        d: point.haloPath(haloOptions.size)
                });
        } else if (halo) {
                halo.attr({ d: [] });
        }

        point.state = state;
},

haloPath: function (size) {
        var series = this.series,
                chart = series.chart,
                plotBox = series.getPlotBox(),
                inverted = chart.inverted;

        return chart.renderer.symbols.circle(
                plotBox.translateX + (inverted ? series.yAxis.len - this.plotY : this.plotX) - size, 
                plotBox.translateY + (inverted ? series.xAxis.len - this.plotX : this.plotY) - size, 
                size * 2, 
                size * 2
        );
}

});

/*

* Extend the Series object with interaction
*/

extend(Series.prototype, {

/**
 * Series mouse over handler
 */
onMouseOver: function () {
        var series = this,
                chart = series.chart,
                hoverSeries = chart.hoverSeries;

        // set normal state to previous series
        if (hoverSeries && hoverSeries !== series) {
                hoverSeries.onMouseOut();
        }

        // trigger the event, but to save processing time,
        // only if defined
        if (series.options.events.mouseOver) {
                fireEvent(series, 'mouseOver');
        }

        // hover this
        series.setState(HOVER_STATE);
        chart.hoverSeries = series;
},

/**
 * Series mouse out handler
 */
onMouseOut: function () {
        // trigger the event only if listeners exist
        var series = this,
                options = series.options,
                chart = series.chart,
                tooltip = chart.tooltip,
                hoverPoint = chart.hoverPoint;

        // trigger mouse out on the point, which must be in this series
        if (hoverPoint) {
                hoverPoint.onMouseOut();
        }

        // fire the mouse out event
        if (series && options.events.mouseOut) {
                fireEvent(series, 'mouseOut');
        }

        // hide the tooltip
        if (tooltip && !options.stickyTracking && (!tooltip.shared || series.noSharedTooltip)) {
                tooltip.hide();
        }

        // set normal state
        series.setState();
        chart.hoverSeries = null;
},

/**
 * Set the state of the graph
 */
setState: function (state) {
        var series = this,
                options = series.options,
                graph = series.graph,
                graphNeg = series.graphNeg,
                stateOptions = options.states,
                lineWidth = options.lineWidth,
                attribs;

        state = state || NORMAL_STATE;

        if (series.state !== state) {
                series.state = state;

                if (stateOptions[state] && stateOptions[state].enabled === false) {
                        return;
                }

                if (state) {
                        lineWidth = stateOptions[state].lineWidth || lineWidth + 1;
                }

                if (graph && !graph.dashstyle) { // hover is turned off for dashed lines in VML
                        attribs = {
                                'stroke-width': lineWidth
                        };
                        // use attr because animate will cause any other animation on the graph to stop
                        graph.attr(attribs);
                        if (graphNeg) {
                                graphNeg.attr(attribs);
                        }
                }
        }
},

/**
 * Set the visibility of the graph
 *
 * @param vis {Boolean} True to show the series, false to hide. If UNDEFINED,
 *                              the visibility is toggled.
 */
setVisible: function (vis, redraw) {
        var series = this,
                chart = series.chart,
                legendItem = series.legendItem,
                showOrHide,
                ignoreHiddenSeries = chart.options.chart.ignoreHiddenSeries,
                oldVisibility = series.visible;

        // if called without an argument, toggle visibility
        series.visible = vis = series.userOptions.visible = vis === UNDEFINED ? !oldVisibility : vis;
        showOrHide = vis ? 'show' : 'hide';

        // show or hide elements
        each(['group', 'dataLabelsGroup', 'markerGroup', 'tracker'], function (key) {
                if (series[key]) {
                        series[key][showOrHide]();
                }
        });

        // hide tooltip (#1361)
        if (chart.hoverSeries === series) {
                series.onMouseOut();
        }

        if (legendItem) {
                chart.legend.colorizeItem(series, vis);
        }

        // rescale or adapt to resized chart
        series.isDirty = true;
        // in a stack, all other series are affected
        if (series.options.stacking) {
                each(chart.series, function (otherSeries) {
                        if (otherSeries.options.stacking && otherSeries.visible) {
                                otherSeries.isDirty = true;
                        }
                });
        }

        // show or hide linked series
        each(series.linkedSeries, function (otherSeries) {
                otherSeries.setVisible(vis, false);
        });

        if (ignoreHiddenSeries) {
                chart.isDirtyBox = true;
        }
        if (redraw !== false) {
                chart.redraw();
        }

        fireEvent(series, showOrHide);
},

/**
 * Memorize tooltip texts and positions
 */
setTooltipPoints: function (renew) {
        var series = this,
                points = [],
                pointsLength,
                low,
                high,
                xAxis = series.xAxis,
                xExtremes = xAxis && xAxis.getExtremes(),
                axisLength = xAxis ? (xAxis.tooltipLen || xAxis.len) : series.chart.plotSizeX, // tooltipLen and tooltipPosName used in polar
                point,
                pointX,
                nextPoint,
                i,
                tooltipPoints = []; // a lookup array for each pixel in the x dimension

        // don't waste resources if tracker is disabled
        if (series.options.enableMouseTracking === false || series.singularTooltips) {
                return;
        }

        // renew
        if (renew) {
                series.tooltipPoints = null;
        }

        // concat segments to overcome null values
        each(series.segments || series.points, function (segment) {
                points = points.concat(segment);
        });

        // Reverse the points in case the X axis is reversed
        if (xAxis && xAxis.reversed) {
                points = points.reverse();
        }

        // Polar needs additional shaping
        if (series.orderTooltipPoints) {
                series.orderTooltipPoints(points);
        }

        // Assign each pixel position to the nearest point
        pointsLength = points.length;
        for (i = 0; i < pointsLength; i++) {
                point = points[i];
                pointX = point.x;
                if (pointX >= xExtremes.min && pointX <= xExtremes.max) { // #1149
                        nextPoint = points[i + 1];

                        // Set this range's low to the last range's high plus one
                        low = high === UNDEFINED ? 0 : high + 1;
                        // Now find the new high
                        high = points[i + 1] ?
                                mathMin(mathMax(0, mathFloor( // #2070
                                        (point.clientX + (nextPoint ? (nextPoint.wrappedClientX || nextPoint.clientX) : axisLength)) / 2
                                )), axisLength) :
                                axisLength;

                        while (low >= 0 && low <= high) {
                                tooltipPoints[low++] = point;
                        }
                }
        }
        series.tooltipPoints = tooltipPoints;
},

/**
 * Show the graph
 */
show: function () {
        this.setVisible(true);
},

/**
 * Hide the graph
 */
hide: function () {
        this.setVisible(false);
},

/**
 * Set the selected state of the graph
 *
 * @param selected {Boolean} True to select the series, false to unselect. If
 *                              UNDEFINED, the selection state is toggled.
 */
select: function (selected) {
        var series = this;
        // if called without an argument, toggle
        series.selected = selected = (selected === UNDEFINED) ? !series.selected : selected;

        if (series.checkbox) {
                series.checkbox.checked = selected;
        }

        fireEvent(series, selected ? 'select' : 'unselect');
},

drawTracker: TrackerMixin.drawTrackerGraph

}); // global variables extend(Highcharts, {

// Constructors
Axis: Axis,
Chart: Chart,
Color: Color,
Point: Point,
Tick: Tick,     
Renderer: Renderer,
Series: Series,
SVGElement: SVGElement,
SVGRenderer: SVGRenderer,

// Various
arrayMin: arrayMin,
arrayMax: arrayMax,
charts: charts,
dateFormat: dateFormat,
format: format,
pathAnim: pathAnim,
getOptions: getOptions,
hasBidiBug: hasBidiBug,
isTouchDevice: isTouchDevice,
numberFormat: numberFormat,
seriesTypes: seriesTypes,
setOptions: setOptions,
addEvent: addEvent,
removeEvent: removeEvent,
createElement: createElement,
discardElement: discardElement,
css: css,
each: each,
extend: extend,
map: map,
merge: merge,
pick: pick,
splat: splat,
extendClass: extendClass,
pInt: pInt,
wrap: wrap,
svg: hasSVG,
canvas: useCanVG,
vml: !hasSVG && !useCanVG,
product: PRODUCT,
version: VERSION

});

}());