/*

Leaflet, a JavaScript library for mobile-friendly interactive maps. http://leafletjs.com
(c) 2010-2013, Vladimir Agafonkin, CloudMade

*/ (function (window, document, undefined) { var oldL = window.L,

L = {};

L.version = '0.6-dev';

// define Leaflet for Node module pattern loaders, including Browserify if (typeof module === 'object' && typeof module.exports === 'object') {

module.exports = L;

// define Leaflet as an AMD module } else if (typeof define === 'function' && define.amd) {

define(L);

}

// define Leaflet as a global L variable, saving the original L to restore later if needed

L.noConflict = function () {

window.L = oldL;
return this;

};

window.L = L;

/*

* L.Util contains various utility functions used throughout Leaflet code.
*/

L.Util = {

extend: function (dest) { // (Object[, Object, ...]) ->
        var sources = Array.prototype.slice.call(arguments, 1),
            i, j, len, src;

        for (j = 0, len = sources.length; j < len; j++) {
                src = sources[j] || {};
                for (i in src) {
                        if (src.hasOwnProperty(i)) {
                                dest[i] = src[i];
                        }
                }
        }
        return dest;
},

bind: function (fn, obj) { // (Function, Object) -> Function
        var args = arguments.length > 2 ? Array.prototype.slice.call(arguments, 2) : null;
        return function () {
                return fn.apply(obj, args || arguments);
        };
},

stamp: (function () {
        var lastId = 0,
            key = '_leaflet_id';
        return function (obj) {
                obj[key] = obj[key] || ++lastId;
                return obj[key];
        };
}()),

invokeEach: function (obj, method, context) {
        var i, args;

        if (typeof obj === 'object') {
                args = Array.prototype.slice.call(arguments, 3);

                for (i in obj) {
                        method.apply(context, [i, obj[i]].concat(args));
                }
                return true;
        }

        return false;
},

limitExecByInterval: function (fn, time, context) {
        var lock, execOnUnlock;

        return function wrapperFn() {
                var args = arguments;

                if (lock) {
                        execOnUnlock = true;
                        return;
                }

                lock = true;

                setTimeout(function () {
                        lock = false;

                        if (execOnUnlock) {
                                wrapperFn.apply(context, args);
                                execOnUnlock = false;
                        }
                }, time);

                fn.apply(context, args);
        };
},

falseFn: function () {
        return false;
},

formatNum: function (num, digits) {
        var pow = Math.pow(10, digits || 5);
        return Math.round(num * pow) / pow;
},

trim: function (str) {
        return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, '');
},

splitWords: function (str) {
        return L.Util.trim(str).split(/\s+/);
},

setOptions: function (obj, options) {
        obj.options = L.extend({}, obj.options, options);
        return obj.options;
},

getParamString: function (obj, existingUrl, uppercase) {
        var params = [];
        for (var i in obj) {
                params.push(encodeURIComponent(uppercase ? i.toUpperCase() : i) + '=' + encodeURIComponent(obj[i]));
        }
        return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&');
},

template: function (str, data) {
        return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) {
                var value = data[key];
                if (value === undefined) {
                        throw new Error('No value provided for variable ' + str);
                } else if (typeof value === 'function') {
                        value = value(data);
                }
                return value;
        });
},

isArray: function (obj) {
        return (Object.prototype.toString.call(obj) === '[object Array]');
},

emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs='

};

(function () {

// inspired by http://paulirish.com/2011/requestanimationframe-for-smart-animating/

function getPrefixed(name) {
        var i, fn,
            prefixes = ['webkit', 'moz', 'o', 'ms'];

        for (i = 0; i < prefixes.length && !fn; i++) {
                fn = window[prefixes[i] + name];
        }

        return fn;
}

var lastTime = 0;

function timeoutDefer(fn) {
        var time = +new Date(),
            timeToCall = Math.max(0, 16 - (time - lastTime));

        lastTime = time + timeToCall;
        return window.setTimeout(fn, timeToCall);
}

var requestFn = window.requestAnimationFrame ||
        getPrefixed('RequestAnimationFrame') || timeoutDefer;

var cancelFn = window.cancelAnimationFrame ||
        getPrefixed('CancelAnimationFrame') ||
        getPrefixed('CancelRequestAnimationFrame') ||
        function (id) { window.clearTimeout(id); };

L.Util.requestAnimFrame = function (fn, context, immediate, element) {
        fn = L.bind(fn, context);

        if (immediate && requestFn === timeoutDefer) {
                fn();
        } else {
                return requestFn.call(window, fn, element);
        }
};

L.Util.cancelAnimFrame = function (id) {
        if (id) {
                cancelFn.call(window, id);
        }
};

}());

// shortcuts for most used utility functions L.extend = L.Util.extend; L.bind = L.Util.bind; L.stamp = L.Util.stamp; L.setOptions = L.Util.setOptions;

/*

* L.Class powers the OOP facilities of the library.
* Thanks to John Resig and Dean Edwards for inspiration!
*/

L.Class = function () {};

L.Class.extend = function (props) {

// extended class with the new prototype
var NewClass = function () {

        // call the constructor
        if (this.initialize) {
                this.initialize.apply(this, arguments);
        }

        // call all constructor hooks
        if (this._initHooks) {
                this.callInitHooks();
        }
};

// instantiate class without calling constructor
var F = function () {};
F.prototype = this.prototype;

var proto = new F();
proto.constructor = NewClass;

NewClass.prototype = proto;

//inherit parent's statics
for (var i in this) {
        if (this.hasOwnProperty(i) && i !== 'prototype') {
                NewClass[i] = this[i];
        }
}

// mix static properties into the class
if (props.statics) {
        L.extend(NewClass, props.statics);
        delete props.statics;
}

// mix includes into the prototype
if (props.includes) {
        L.Util.extend.apply(null, [proto].concat(props.includes));
        delete props.includes;
}

// merge options
if (props.options && proto.options) {
        props.options = L.extend({}, proto.options, props.options);
}

// mix given properties into the prototype
L.extend(proto, props);

proto._initHooks = [];

var parent = this;
// jshint camelcase: false
NewClass.__super__ = parent.prototype;

// add method for calling all hooks
proto.callInitHooks = function () {

        if (this._initHooksCalled) { return; }

        if (parent.prototype.callInitHooks) {
                parent.prototype.callInitHooks.call(this);
        }

        this._initHooksCalled = true;

        for (var i = 0, len = proto._initHooks.length; i < len; i++) {
                proto._initHooks[i].call(this);
        }
};

return NewClass;

};

// method for adding properties to prototype L.Class.include = function (props) {

L.extend(this.prototype, props);

};

// merge new default options to the Class L.Class.mergeOptions = function (options) {

L.extend(this.prototype.options, options);

};

// add a constructor hook L.Class.addInitHook = function (fn) { // (Function) || (String, args…)

var args = Array.prototype.slice.call(arguments, 1);

var init = typeof fn === 'function' ? fn : function () {
        this[fn].apply(this, args);
};

this.prototype._initHooks = this.prototype._initHooks || [];
this.prototype._initHooks.push(init);

};

/*

* L.Mixin.Events is used to add custom events functionality to Leaflet classes.
*/

var eventsKey = '_leaflet_events';

L.Mixin = {};

L.Mixin.Events = {

addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object])

        // types can be a map of types/handlers
        if (L.Util.invokeEach(types, this.addEventListener, this, fn, context)) { return this; }

        var events = this[eventsKey] = this[eventsKey] || {},
            contextId = context && L.stamp(context),
            i, len, event, type, indexKey, indexLenKey, typeIndex;

        // types can be a string of space-separated words
        types = L.Util.splitWords(types);

        for (i = 0, len = types.length; i < len; i++) {
                event = {
                        action: fn,
                        context: context || this
                };
                type = types[i];

                if (context) {
                        // store listeners of a particular context in a separate hash (if it has an id)
                        // gives a major performance boost when removing thousands of map layers

                        indexKey = type + '_idx';
                        indexLenKey = indexKey + '_len';

                        typeIndex = events[indexKey] = events[indexKey] || {};

                        if (!typeIndex[contextId]) {
                                typeIndex[contextId] = [];

                                // keep track of the number of keys in the index to quickly check if it's empty
                                events[indexLenKey] = (events[indexLenKey] || 0) + 1;
                        }

                        typeIndex[contextId].push(event);

                } else {
                        events[type] = events[type] || [];
                        events[type].push(event);
                }
        }

        return this;
},

hasEventListeners: function (type) { // (String) -> Boolean
        var events = this[eventsKey];
        return !!events && ((type in events && events[type].length > 0) ||
                            (type + '_idx' in events && events[type + '_idx_len'] > 0));
},

removeEventListener: function (types, fn, context) { // ([String, Function, Object]) or (Object[, Object])

        if (!this[eventsKey]) {
                return this;
        }

        if (!types) {
                return this.clearAllEventListeners();
        }

        if (L.Util.invokeEach(types, this.removeEventListener, this, fn, context)) { return this; }

        var events = this[eventsKey],
            contextId = context && L.stamp(context),
            i, len, type, listeners, j, indexKey, indexLenKey, typeIndex, removed;

        types = L.Util.splitWords(types);

        for (i = 0, len = types.length; i < len; i++) {
                type = types[i];
                indexKey = type + '_idx';
                indexLenKey = indexKey + '_len';

                typeIndex = events[indexKey];

                if (!fn) {
                        // clear all listeners for a type if function isn't specified
                        delete events[type];
                        delete events[indexKey];

                } else {
                        listeners = context && typeIndex ? typeIndex[contextId] : events[type];

                        if (listeners) {
                                for (j = listeners.length - 1; j >= 0; j--) {
                                        if ((listeners[j].action === fn) && (!context || (listeners[j].context === context))) {
                                                removed = listeners.splice(j, 1);
                                                // set the old action to a no-op, because it is possible
                                                // that the listener is being iterated over as part of a dispatch
                                                removed[0].action = L.Util.falseFn;
                                        }
                                }

                                if (context && typeIndex && (listeners.length === 0)) {
                                        delete typeIndex[contextId];
                                        events[indexLenKey]--;
                                }
                        }
                }
        }

        return this;
},

clearAllEventListeners: function () {
        delete this[eventsKey];
        return this;
},

fireEvent: function (type, data) { // (String[, Object])
        if (!this.hasEventListeners(type)) {
                return this;
        }

        var event = L.Util.extend({}, data, { type: type, target: this });

        var events = this[eventsKey],
            listeners, i, len, typeIndex, contextId;

        if (events[type]) {
                // make sure adding/removing listeners inside other listeners won't cause infinite loop
                listeners = events[type].slice();

                for (i = 0, len = listeners.length; i < len; i++) {
                        listeners[i].action.call(listeners[i].context || this, event);
                }
        }

        // fire event for the context-indexed listeners as well
        typeIndex = events[type + '_idx'];

        for (contextId in typeIndex) {
                listeners = typeIndex[contextId].slice();

                if (listeners) {
                        for (i = 0, len = listeners.length; i < len; i++) {
                                listeners[i].action.call(listeners[i].context || this, event);
                        }
                }
        }

        return this;
},

addOneTimeEventListener: function (types, fn, context) {

        if (L.Util.invokeEach(types, this.addOneTimeEventListener, this, fn, context)) { return this; }

        var handler = L.bind(function () {
                this
                    .removeEventListener(types, fn, context)
                    .removeEventListener(types, handler, context);
        }, this);

        return this
            .addEventListener(types, fn, context)
            .addEventListener(types, handler, context);
}

};

L.Mixin.Events.on = L.Mixin.Events.addEventListener; L.Mixin.Events.off = L.Mixin.Events.removeEventListener; L.Mixin.Events.once = L.Mixin.Events.addOneTimeEventListener; L.Mixin.Events.fire = L.Mixin.Events.fireEvent;

/*

* L.Browser handles different browser and feature detections for internal Leaflet use.
*/

(function () {

var ie = !!window.ActiveXObject,
    ie6 = ie && !window.XMLHttpRequest,
    ie7 = ie && !document.querySelector,
        ielt9 = ie && !document.addEventListener,

    // terrible browser detection to work around Safari / iOS / Android browser bugs
    ua = navigator.userAgent.toLowerCase(),
    webkit = ua.indexOf('webkit') !== -1,
    chrome = ua.indexOf('chrome') !== -1,
    phantomjs = ua.indexOf('phantom') !== -1,
    android = ua.indexOf('android') !== -1,
    android23 = ua.search('android [23]') !== -1,

    mobile = typeof orientation !== undefined + '',
    msTouch = window.navigator && window.navigator.msPointerEnabled &&
              window.navigator.msMaxTouchPoints,
    retina = ('devicePixelRatio' in window && window.devicePixelRatio > 1) ||
             ('matchMedia' in window && window.matchMedia('(min-resolution:144dpi)') &&
              window.matchMedia('(min-resolution:144dpi)').matches),

    doc = document.documentElement,
    ie3d = ie && ('transition' in doc.style),
    webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()),
    gecko3d = 'MozPerspective' in doc.style,
    opera3d = 'OTransition' in doc.style,
    any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d) && !phantomjs;

// PhantomJS has 'ontouchstart' in document.documentElement, but doesn't actually support touch.
// https://github.com/Leaflet/Leaflet/pull/1434#issuecomment-13843151

var touch = !window.L_NO_TOUCH && !phantomjs && (function () {

        var startName = 'ontouchstart';

        // IE10+ (We simulate these into touch* events in L.DomEvent and L.DomEvent.MsTouch) or WebKit, etc.
        if (msTouch || (startName in doc)) {
                return true;
        }

        // Firefox/Gecko
        var div = document.createElement('div'),
            supported = false;

        if (!div.setAttribute) {
                return false;
        }
        div.setAttribute(startName, 'return;');

        if (typeof div[startName] === 'function') {
                supported = true;
        }

        div.removeAttribute(startName);
        div = null;

        return supported;
}());

L.Browser = {
        ie: ie,
        ie6: ie6,
        ie7: ie7,
        ielt9: ielt9,
        webkit: webkit,

        android: android,
        android23: android23,

        chrome: chrome,

        ie3d: ie3d,
        webkit3d: webkit3d,
        gecko3d: gecko3d,
        opera3d: opera3d,
        any3d: any3d,

        mobile: mobile,
        mobileWebkit: mobile && webkit,
        mobileWebkit3d: mobile && webkit3d,
        mobileOpera: mobile && window.opera,

        touch: touch,
        msTouch: msTouch,

        retina: retina
};

}());

/*

* L.Point represents a point with x and y coordinates.
*/

L.Point = function (/Number/ x, /Number/ y, /Boolean/ round) {

this.x = (round ? Math.round(x) : x);
this.y = (round ? Math.round(y) : y);

};

L.Point.prototype = {

clone: function () {
        return new L.Point(this.x, this.y);
},

// non-destructive, returns a new point
add: function (point) {
        return this.clone()._add(L.point(point));
},

// destructive, used directly for performance in situations where it's safe to modify existing point
_add: function (point) {
        this.x += point.x;
        this.y += point.y;
        return this;
},

subtract: function (point) {
        return this.clone()._subtract(L.point(point));
},

_subtract: function (point) {
        this.x -= point.x;
        this.y -= point.y;
        return this;
},

divideBy: function (num) {
        return this.clone()._divideBy(num);
},

_divideBy: function (num) {
        this.x /= num;
        this.y /= num;
        return this;
},

multiplyBy: function (num) {
        return this.clone()._multiplyBy(num);
},

_multiplyBy: function (num) {
        this.x *= num;
        this.y *= num;
        return this;
},

round: function () {
        return this.clone()._round();
},

_round: function () {
        this.x = Math.round(this.x);
        this.y = Math.round(this.y);
        return this;
},

floor: function () {
        return this.clone()._floor();
},

_floor: function () {
        this.x = Math.floor(this.x);
        this.y = Math.floor(this.y);
        return this;
},

distanceTo: function (point) {
        point = L.point(point);

        var x = point.x - this.x,
            y = point.y - this.y;

        return Math.sqrt(x * x + y * y);
},

equals: function (point) {
        point = L.point(point);

        return point.x === this.x &&
               point.y === this.y;
},

contains: function (point) {
        point = L.point(point);

        return Math.abs(point.x) <= Math.abs(this.x) &&
               Math.abs(point.y) <= Math.abs(this.y);
},

toString: function () {
        return 'Point(' +
                L.Util.formatNum(this.x) + ', ' +
                L.Util.formatNum(this.y) + ')';
}

};

L.point = function (x, y, round) {

if (x instanceof L.Point) {
        return x;
}
if (L.Util.isArray(x)) {
        return new L.Point(x[0], x[1]);
}
if (x === undefined || x === null) {
        return x;
}
return new L.Point(x, y, round);

};

/*

* L.Bounds represents a rectangular area on the screen in pixel coordinates.
*/

L.Bounds = function (a, b) { //(Point, Point) or Point[]

if (!a) { return; }

var points = b ? [a, b] : a;

for (var i = 0, len = points.length; i < len; i++) {
        this.extend(points[i]);
}

};

L.Bounds.prototype = {

// extend the bounds to contain the given point
extend: function (point) { // (Point)
        point = L.point(point);

        if (!this.min && !this.max) {
                this.min = point.clone();
                this.max = point.clone();
        } else {
                this.min.x = Math.min(point.x, this.min.x);
                this.max.x = Math.max(point.x, this.max.x);
                this.min.y = Math.min(point.y, this.min.y);
                this.max.y = Math.max(point.y, this.max.y);
        }
        return this;
},

getCenter: function (round) { // (Boolean) -> Point
        return new L.Point(
                (this.min.x + this.max.x) / 2,
                (this.min.y + this.max.y) / 2, round);
},

getBottomLeft: function () { // -> Point
        return new L.Point(this.min.x, this.max.y);
},

getTopRight: function () { // -> Point
        return new L.Point(this.max.x, this.min.y);
},

getSize: function () {
        return this.max.subtract(this.min);
},

contains: function (obj) { // (Bounds) or (Point) -> Boolean
        var min, max;

        if (typeof obj[0] === 'number' || obj instanceof L.Point) {
                obj = L.point(obj);
        } else {
                obj = L.bounds(obj);
        }

        if (obj instanceof L.Bounds) {
                min = obj.min;
                max = obj.max;
        } else {
                min = max = obj;
        }

        return (min.x >= this.min.x) &&
               (max.x <= this.max.x) &&
               (min.y >= this.min.y) &&
               (max.y <= this.max.y);
},

intersects: function (bounds) { // (Bounds) -> Boolean
        bounds = L.bounds(bounds);

        var min = this.min,
            max = this.max,
            min2 = bounds.min,
            max2 = bounds.max,
            xIntersects = (max2.x >= min.x) && (min2.x <= max.x),
            yIntersects = (max2.y >= min.y) && (min2.y <= max.y);

        return xIntersects && yIntersects;
},

isValid: function () {
        return !!(this.min && this.max);
}

};

L.bounds = function (a, b) { // (Bounds) or (Point, Point) or (Point[])

if (!a || a instanceof L.Bounds) {
        return a;
}
return new L.Bounds(a, b);

};

/*

* L.Transformation is an utility class to perform simple point transformations through a 2d-matrix.
*/

L.Transformation = function (a, b, c, d) {

this._a = a;
this._b = b;
this._c = c;
this._d = d;

};

L.Transformation.prototype = {

transform: function (point, scale) { // (Point, Number) -> Point
        return this._transform(point.clone(), scale);
},

// destructive transform (faster)
_transform: function (point, scale) {
        scale = scale || 1;
        point.x = scale * (this._a * point.x + this._b);
        point.y = scale * (this._c * point.y + this._d);
        return point;
},

untransform: function (point, scale) {
        scale = scale || 1;
        return new L.Point(
                (point.x / scale - this._b) / this._a,
                (point.y / scale - this._d) / this._c);
}

};

/*

* L.DomUtil contains various utility functions for working with DOM.
*/

L.DomUtil = {

get: function (id) {
        return (typeof id === 'string' ? document.getElementById(id) : id);
},

getStyle: function (el, style) {

        var value = el.style[style];

        if (!value && el.currentStyle) {
                value = el.currentStyle[style];
        }

        if ((!value || value === 'auto') && document.defaultView) {
                var css = document.defaultView.getComputedStyle(el, null);
                value = css ? css[style] : null;
        }

        return value === 'auto' ? null : value;
},

getViewportOffset: function (element) {

        var top = 0,
            left = 0,
            el = element,
            docBody = document.body,
            docEl = document.documentElement,
            pos,
            ie7 = L.Browser.ie7;

        do {
                top  += el.offsetTop  || 0;
                left += el.offsetLeft || 0;

                //add borders
                top += parseInt(L.DomUtil.getStyle(el, 'borderTopWidth'), 10) || 0;
                left += parseInt(L.DomUtil.getStyle(el, 'borderLeftWidth'), 10) || 0;

                pos = L.DomUtil.getStyle(el, 'position');

                if (el.offsetParent === docBody && pos === 'absolute') { break; }

                if (pos === 'fixed') {
                        top  += docBody.scrollTop  || docEl.scrollTop  || 0;
                        left += docBody.scrollLeft || docEl.scrollLeft || 0;
                        break;
                }

                if (pos === 'relative' && !el.offsetLeft) {
                        var width = L.DomUtil.getStyle(el, 'width'),
                            maxWidth = L.DomUtil.getStyle(el, 'max-width'),
                            r = el.getBoundingClientRect();

                        if (width !== 'none' || maxWidth !== 'none') {
                                left += r.left + el.clientLeft;
                        }

                        //calculate full y offset since we're breaking out of the loop
                        top += r.top + (docBody.scrollTop  || docEl.scrollTop  || 0);

                        break;
                }

                el = el.offsetParent;

        } while (el);

        el = element;

        do {
                if (el === docBody) { break; }

                top  -= el.scrollTop  || 0;
                left -= el.scrollLeft || 0;

                // webkit (and ie <= 7) handles RTL scrollLeft different to everyone else
                // https://code.google.com/p/closure-library/source/browse/trunk/closure/goog/style/bidi.js
                if (!L.DomUtil.documentIsLtr() && (L.Browser.webkit || ie7)) {
                        left += el.scrollWidth - el.clientWidth;

                        // ie7 shows the scrollbar by default and provides clientWidth counting it, so we
                        // need to add it back in if it is visible; scrollbar is on the left as we are RTL
                        if (ie7 && L.DomUtil.getStyle(el, 'overflow-y') !== 'hidden' &&
                                   L.DomUtil.getStyle(el, 'overflow') !== 'hidden') {
                                left += 17;
                        }
                }

                el = el.parentNode;
        } while (el);

        return new L.Point(left, top);
},

documentIsLtr: function () {
        if (!L.DomUtil._docIsLtrCached) {
                L.DomUtil._docIsLtrCached = true;
                L.DomUtil._docIsLtr = L.DomUtil.getStyle(document.body, 'direction') === 'ltr';
        }
        return L.DomUtil._docIsLtr;
},

create: function (tagName, className, container) {

        var el = document.createElement(tagName);
        el.className = className;

        if (container) {
                container.appendChild(el);
        }

        return el;
},

disableTextSelection: function () {
        if (document.selection && document.selection.empty) {
                document.selection.empty();
        }
        if (!this._onselectstart) {
                this._onselectstart = document.onselectstart || null;
                document.onselectstart = L.Util.falseFn;
        }
},

enableTextSelection: function () {
        if (document.onselectstart === L.Util.falseFn) {
                document.onselectstart = this._onselectstart;
                this._onselectstart = null;
        }
},

hasClass: function (el, name) {
        return (el.className.length > 0) &&
                new RegExp('(^|\\s)' + name + '(\\s|$)').test(el.className);
},

addClass: function (el, name) {
        if (!L.DomUtil.hasClass(el, name)) {
                el.className += (el.className ? ' ' : '') + name;
        }
},

removeClass: function (el, name) {
        el.className = L.Util.trim((' ' + el.className + ' ').replace(' ' + name + ' ', ' '));
},

setOpacity: function (el, value) {

        if ('opacity' in el.style) {
                el.style.opacity = value;

        } else if ('filter' in el.style) {

                var filter = false,
                    filterName = 'DXImageTransform.Microsoft.Alpha';

                // filters collection throws an error if we try to retrieve a filter that doesn't exist
                try {
                        filter = el.filters.item(filterName);
                } catch (e) {
                        // don't set opacity to 1 if we haven't already set an opacity,
                        // it isn't needed and breaks transparent pngs.
                        if (value === 1) { return; }
                }

                value = Math.round(value * 100);

                if (filter) {
                        filter.Enabled = (value !== 100);
                        filter.Opacity = value;
                } else {
                        el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')';
                }
        }
},

testProp: function (props) {

        var style = document.documentElement.style;

        for (var i = 0; i < props.length; i++) {
                if (props[i] in style) {
                        return props[i];
                }
        }
        return false;
},

getTranslateString: function (point) {
        // on WebKit browsers (Chrome/Safari/iOS Safari/Android) using translate3d instead of translate
        // makes animation smoother as it ensures HW accel is used. Firefox 13 doesn't care
        // (same speed either way), Opera 12 doesn't support translate3d

        var is3d = L.Browser.webkit3d,
            open = 'translate' + (is3d ? '3d' : '') + '(',
            close = (is3d ? ',0' : '') + ')';

        return open + point.x + 'px,' + point.y + 'px' + close;
},

getScaleString: function (scale, origin) {

        var preTranslateStr = L.DomUtil.getTranslateString(origin.add(origin.multiplyBy(-1 * scale))),
            scaleStr = ' scale(' + scale + ') ';

        return preTranslateStr + scaleStr;
},

setPosition: function (el, point, disable3D) { // (HTMLElement, Point[, Boolean])

        // jshint camelcase: false
        el._leaflet_pos = point;

        if (!disable3D && L.Browser.any3d) {
                el.style[L.DomUtil.TRANSFORM] =  L.DomUtil.getTranslateString(point);

                // workaround for Android 2/3 stability (https://github.com/CloudMade/Leaflet/issues/69)
                if (L.Browser.mobileWebkit3d) {
                        el.style.WebkitBackfaceVisibility = 'hidden';
                }
        } else {
                el.style.left = point.x + 'px';
                el.style.top = point.y + 'px';
        }
},

getPosition: function (el) {
        // this method is only used for elements previously positioned using setPosition,
        // so it's safe to cache the position for performance

        // jshint camelcase: false
        return el._leaflet_pos;
}

};

// prefix style property names

L.DomUtil.TRANSFORM = L.DomUtil.testProp(

['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']);

// webkitTransition comes first because some browser versions that drop vendor prefix don't do // the same for the transitionend event, in particular the Android 4.1 stock browser

L.DomUtil.TRANSITION = L.DomUtil.testProp(

['webkitTransition', 'transition', 'OTransition', 'MozTransition', 'msTransition']);

L.DomUtil.TRANSITION_END =

L.DomUtil.TRANSITION === 'webkitTransition' || L.DomUtil.TRANSITION === 'OTransition' ?
L.DomUtil.TRANSITION + 'End' : 'transitionend';

/*

* L.LatLng represents a geographical point with latitude and longitude coordinates.
*/

L.LatLng = function (rawLat, rawLng) { // (Number, Number)

var lat = parseFloat(rawLat),
    lng = parseFloat(rawLng);

if (isNaN(lat) || isNaN(lng)) {
        throw new Error('Invalid LatLng object: (' + rawLat + ', ' + rawLng + ')');
}

this.lat = lat;
this.lng = lng;

};

L.extend(L.LatLng, {

DEG_TO_RAD: Math.PI / 180,
RAD_TO_DEG: 180 / Math.PI,
MAX_MARGIN: 1.0E-9 // max margin of error for the "equals" check

});

L.LatLng.prototype = {

equals: function (obj) { // (LatLng) -> Boolean
        if (!obj) { return false; }

        obj = L.latLng(obj);

        var margin = Math.max(
                Math.abs(this.lat - obj.lat),
                Math.abs(this.lng - obj.lng));

        return margin <= L.LatLng.MAX_MARGIN;
},

toString: function (precision) { // (Number) -> String
        return 'LatLng(' +
                L.Util.formatNum(this.lat, precision) + ', ' +
                L.Util.formatNum(this.lng, precision) + ')';
},

// Haversine distance formula, see http://en.wikipedia.org/wiki/Haversine_formula
// TODO move to projection code, LatLng shouldn't know about Earth
distanceTo: function (other) { // (LatLng) -> Number
        other = L.latLng(other);

        var R = 6378137, // earth radius in meters
            d2r = L.LatLng.DEG_TO_RAD,
            dLat = (other.lat - this.lat) * d2r,
            dLon = (other.lng - this.lng) * d2r,
            lat1 = this.lat * d2r,
            lat2 = other.lat * d2r,
            sin1 = Math.sin(dLat / 2),
            sin2 = Math.sin(dLon / 2);

        var a = sin1 * sin1 + sin2 * sin2 * Math.cos(lat1) * Math.cos(lat2);

        return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
},

wrap: function (a, b) { // (Number, Number) -> LatLng
        var lng = this.lng;

        a = a || -180;
        b = b ||  180;

        lng = (lng + b) % (b - a) + (lng < a || lng === b ? b : a);

        return new L.LatLng(this.lat, lng);
}

};

L.latLng = function (a, b) { // (LatLng) or ([Number, Number]) or (Number, Number)

if (a instanceof L.LatLng) {
        return a;
}
if (L.Util.isArray(a)) {
        return new L.LatLng(a[0], a[1]);
}
if (a === undefined || a === null) {
        return a;
}
if (typeof a === 'object' && 'lat' in a) {
        return new L.LatLng(a.lat, 'lng' in a ? a.lng : a.lon);
}
return new L.LatLng(a, b);

};

/*

* L.LatLngBounds represents a rectangular area on the map in geographical coordinates.
*/

L.LatLngBounds = function (southWest, northEast) { // (LatLng, LatLng) or (LatLng[])

if (!southWest) { return; }

var latlngs = northEast ? [southWest, northEast] : southWest;

for (var i = 0, len = latlngs.length; i < len; i++) {
        this.extend(latlngs[i]);
}

};

L.LatLngBounds.prototype = {

// extend the bounds to contain the given point or bounds
extend: function (obj) { // (LatLng) or (LatLngBounds)
        if (!obj) { return this; }

        if (typeof obj[0] === 'number' || typeof obj[0] === 'string' || obj instanceof L.LatLng) {
                obj = L.latLng(obj);
        } else {
                obj = L.latLngBounds(obj);
        }

        if (obj instanceof L.LatLng) {
                if (!this._southWest && !this._northEast) {
                        this._southWest = new L.LatLng(obj.lat, obj.lng);
                        this._northEast = new L.LatLng(obj.lat, obj.lng);
                } else {
                        this._southWest.lat = Math.min(obj.lat, this._southWest.lat);
                        this._southWest.lng = Math.min(obj.lng, this._southWest.lng);

                        this._northEast.lat = Math.max(obj.lat, this._northEast.lat);
                        this._northEast.lng = Math.max(obj.lng, this._northEast.lng);
                }
        } else if (obj instanceof L.LatLngBounds) {
                this.extend(obj._southWest);
                this.extend(obj._northEast);
        }
        return this;
},

// extend the bounds by a percentage
pad: function (bufferRatio) { // (Number) -> LatLngBounds
        var sw = this._southWest,
            ne = this._northEast,
            heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio,
            widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio;

        return new L.LatLngBounds(
                new L.LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer),
                new L.LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer));
},

getCenter: function () { // -> LatLng
        return new L.LatLng(
                (this._southWest.lat + this._northEast.lat) / 2,
                (this._southWest.lng + this._northEast.lng) / 2);
},

getSouthWest: function () {
        return this._southWest;
},

getNorthEast: function () {
        return this._northEast;
},

getNorthWest: function () {
        return new L.LatLng(this.getNorth(), this.getWest());
},

getSouthEast: function () {
        return new L.LatLng(this.getSouth(), this.getEast());
},

getWest: function () {
        return this._southWest.lng;
},

getSouth: function () {
        return this._southWest.lat;
},

getEast: function () {
        return this._northEast.lng;
},

getNorth: function () {
        return this._northEast.lat;
},

contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean
        if (typeof obj[0] === 'number' || obj instanceof L.LatLng) {
                obj = L.latLng(obj);
        } else {
                obj = L.latLngBounds(obj);
        }

        var sw = this._southWest,
            ne = this._northEast,
            sw2, ne2;

        if (obj instanceof L.LatLngBounds) {
                sw2 = obj.getSouthWest();
                ne2 = obj.getNorthEast();
        } else {
                sw2 = ne2 = obj;
        }

        return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) &&
               (sw2.lng >= sw.lng) && (ne2.lng <= ne.lng);
},

intersects: function (bounds) { // (LatLngBounds)
        bounds = L.latLngBounds(bounds);

        var sw = this._southWest,
            ne = this._northEast,
            sw2 = bounds.getSouthWest(),
            ne2 = bounds.getNorthEast(),

            latIntersects = (ne2.lat >= sw.lat) && (sw2.lat <= ne.lat),
            lngIntersects = (ne2.lng >= sw.lng) && (sw2.lng <= ne.lng);

        return latIntersects && lngIntersects;
},

toBBoxString: function () {
        return [this.getWest(), this.getSouth(), this.getEast(), this.getNorth()].join(',');
},

equals: function (bounds) { // (LatLngBounds)
        if (!bounds) { return false; }

        bounds = L.latLngBounds(bounds);

        return this._southWest.equals(bounds.getSouthWest()) &&
               this._northEast.equals(bounds.getNorthEast());
},

isValid: function () {
        return !!(this._southWest && this._northEast);
}

};

//TODO International date line?

L.latLngBounds = function (a, b) { // (LatLngBounds) or (LatLng, LatLng)

if (!a || a instanceof L.LatLngBounds) {
        return a;
}
return new L.LatLngBounds(a, b);

};

/*

* L.Projection contains various geographical projections used by CRS classes.
*/

L.Projection = {};

/*

* Spherical Mercator is the most popular map projection, used by EPSG:3857 CRS used by default.
*/

L.Projection.SphericalMercator = {

MAX_LATITUDE: 85.0511287798,

project: function (latlng) { // (LatLng) -> Point
        var d = L.LatLng.DEG_TO_RAD,
            max = this.MAX_LATITUDE,
            lat = Math.max(Math.min(max, latlng.lat), -max),
            x = latlng.lng * d,
            y = lat * d;

        y = Math.log(Math.tan((Math.PI / 4) + (y / 2)));

        return new L.Point(x, y);
},

unproject: function (point) { // (Point, Boolean) -> LatLng
        var d = L.LatLng.RAD_TO_DEG,
            lng = point.x * d,
            lat = (2 * Math.atan(Math.exp(point.y)) - (Math.PI / 2)) * d;

        return new L.LatLng(lat, lng);
}

};

/*

* Simple equirectangular (Plate Carree) projection, used by CRS like EPSG:4326 and Simple.
*/

L.Projection.LonLat = {

project: function (latlng) {
        return new L.Point(latlng.lng, latlng.lat);
},

unproject: function (point) {
        return new L.LatLng(point.y, point.x);
}

};

/*

* L.CRS is a base object for all defined CRS (Coordinate Reference Systems) in Leaflet.
*/

L.CRS = {

latLngToPoint: function (latlng, zoom) { // (LatLng, Number) -> Point
        var projectedPoint = this.projection.project(latlng),
            scale = this.scale(zoom);

        return this.transformation._transform(projectedPoint, scale);
},

pointToLatLng: function (point, zoom) { // (Point, Number[, Boolean]) -> LatLng
        var scale = this.scale(zoom),
            untransformedPoint = this.transformation.untransform(point, scale);

        return this.projection.unproject(untransformedPoint);
},

project: function (latlng) {
        return this.projection.project(latlng);
},

scale: function (zoom) {
        return 256 * Math.pow(2, zoom);
}

};

/*

* A simple CRS that can be used for flat non-Earth maps like panoramas or game maps.
*/

L.CRS.Simple = L.extend({}, L.CRS, {

projection: L.Projection.LonLat,
transformation: new L.Transformation(1, 0, -1, 0),

scale: function (zoom) {
        return Math.pow(2, zoom);
}

});

/*

* L.CRS.EPSG3857 (Spherical Mercator) is the most common CRS for web mapping
* and is used by Leaflet by default.
*/

L.CRS.EPSG3857 = L.extend({}, L.CRS, {

code: 'EPSG:3857',

projection: L.Projection.SphericalMercator,
transformation: new L.Transformation(0.5 / Math.PI, 0.5, -0.5 / Math.PI, 0.5),

project: function (latlng) { // (LatLng) -> Point
        var projectedPoint = this.projection.project(latlng),
            earthRadius = 6378137;
        return projectedPoint.multiplyBy(earthRadius);
}

});

L.CRS.EPSG900913 = L.extend({}, L.CRS.EPSG3857, {

code: 'EPSG:900913'

});

/*

* L.CRS.EPSG4326 is a CRS popular among advanced GIS specialists.
*/

L.CRS.EPSG4326 = L.extend({}, L.CRS, {

code: 'EPSG:4326',

projection: L.Projection.LonLat,
transformation: new L.Transformation(1 / 360, 0.5, -1 / 360, 0.5)

});

/*

* L.Map is the central class of the API - it is used to create a map.
*/

L.Map = L.Class.extend({

includes: L.Mixin.Events,

options: {
        crs: L.CRS.EPSG3857,

        /*
        center: LatLng,
        zoom: Number,
        layers: Array,
        */

        fadeAnimation: L.DomUtil.TRANSITION && !L.Browser.android23,
        trackResize: true,
        markerZoomAnimation: L.DomUtil.TRANSITION && L.Browser.any3d
},

initialize: function (id, options) { // (HTMLElement or String, Object)
        options = L.setOptions(this, options);

        this._initContainer(id);
        this._initLayout();
        this._initEvents();

        if (options.maxBounds) {
                this.setMaxBounds(options.maxBounds);
        }

        if (options.center && options.zoom !== undefined) {
                this.setView(L.latLng(options.center), options.zoom, {reset: true});
        }

        this._initLayers(options.layers);

        this._handlers = [];

        this.callInitHooks();
},

// public methods that modify map state

// replaced by animation-powered implementation in Map.PanAnimation.js
setView: function (center, zoom) {
        this._resetView(L.latLng(center), this._limitZoom(zoom));
        return this;
},

setZoom: function (zoom, options) {
        return this.setView(this.getCenter(), zoom, {zoom: options});
},

zoomIn: function (delta, options) {
        return this.setZoom(this._zoom + (delta || 1), options);
},

zoomOut: function (delta, options) {
        return this.setZoom(this._zoom - (delta || 1), options);
},

setZoomAround: function (latlng, zoom, options) {
        var scale = this.getZoomScale(zoom),
            viewHalf = this.getSize().divideBy(2),
            containerPoint = latlng instanceof L.Point ? latlng : this.latLngToContainerPoint(latlng),

            centerOffset = containerPoint.subtract(viewHalf).multiplyBy(1 - 1 / scale),
            newCenter = this.containerPointToLatLng(viewHalf.add(centerOffset));

        return this.setView(newCenter, zoom, {zoom: options});
},

fitBounds: function (bounds, options) {

        options = options || {};
        bounds = bounds.getBounds ? bounds.getBounds() : L.latLngBounds(bounds);

        var paddingTL = L.point(options.paddingTopLeft || options.padding || [0, 0]),
            paddingBR = L.point(options.paddingBottomRight || options.padding || [0, 0]),

            zoom = this.getBoundsZoom(bounds, false, paddingTL.add(paddingBR)),
            paddingOffset = paddingBR.subtract(paddingTL).divideBy(2),

            swPoint = this.project(bounds.getSouthWest(), zoom),
            nePoint = this.project(bounds.getNorthEast(), zoom),
            center = this.unproject(swPoint.add(nePoint).divideBy(2).add(paddingOffset), zoom);

        return this.setView(center, zoom, options);
},

fitWorld: function (options) {
        return this.fitBounds([[-90, -180], [90, 180]], options);
},

panTo: function (center, options) { // (LatLng)
        return this.setView(center, this._zoom, {pan: options});
},

panBy: function (offset) { // (Point)
        // replaced with animated panBy in Map.Animation.js
        this.fire('movestart');

        this._rawPanBy(L.point(offset));

        this.fire('move');
        return this.fire('moveend');
},

setMaxBounds: function (bounds) {
        bounds = L.latLngBounds(bounds);

        this.options.maxBounds = bounds;

        if (!bounds) {
                this._boundsMinZoom = null;
                this.off('moveend', this._panInsideMaxBounds, this);
                return this;
        }

        var minZoom = this.getBoundsZoom(bounds, true);

        this._boundsMinZoom = minZoom;

        if (this._loaded) {
                if (this._zoom < minZoom) {
                        this.setView(bounds.getCenter(), minZoom);
                } else {
                        this.panInsideBounds(bounds);
                }
        }

        this.on('moveend', this._panInsideMaxBounds, this);

        return this;
},

panInsideBounds: function (bounds) {
        bounds = L.latLngBounds(bounds);

        var viewBounds = this.getPixelBounds(),
            viewSw = viewBounds.getBottomLeft(),
            viewNe = viewBounds.getTopRight(),
            sw = this.project(bounds.getSouthWest()),
            ne = this.project(bounds.getNorthEast()),
            dx = 0,
            dy = 0;

        if (viewNe.y < ne.y) { // north
                dy = Math.ceil(ne.y - viewNe.y);
        }
        if (viewNe.x > ne.x) { // east
                dx = Math.floor(ne.x - viewNe.x);
        }
        if (viewSw.y > sw.y) { // south
                dy = Math.floor(sw.y - viewSw.y);
        }
        if (viewSw.x < sw.x) { // west
                dx = Math.ceil(sw.x - viewSw.x);
        }

        if (dx || dy) {
                return this.panBy([dx, dy]);
        }

        return this;
},

addLayer: function (layer) {
        // TODO method is too big, refactor

        var id = L.stamp(layer);

        if (this._layers[id]) { return this; }

        this._layers[id] = layer;

        // TODO getMaxZoom, getMinZoom in ILayer (instead of options)
        if (layer.options && (!isNaN(layer.options.maxZoom) || !isNaN(layer.options.minZoom))) {
                this._zoomBoundLayers[id] = layer;
                this._updateZoomLevels();
        }

        // TODO looks ugly, refactor!!!
        if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {
                this._tileLayersNum++;
                this._tileLayersToLoad++;
                layer.on('load', this._onTileLayerLoad, this);
        }

        if (this._loaded) {
                this._layerAdd(layer);
        }

        return this;
},

removeLayer: function (layer) {
        var id = L.stamp(layer);

        if (!this._layers[id]) { return; }

        if (this._loaded) {
                layer.onRemove(this);
                this.fire('layerremove', {layer: layer});
        }

        delete this._layers[id];
        if (this._zoomBoundLayers[id]) {
                delete this._zoomBoundLayers[id];
                this._updateZoomLevels();
        }

        // TODO looks ugly, refactor
        if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {
                this._tileLayersNum--;
                this._tileLayersToLoad--;
                layer.off('load', this._onTileLayerLoad, this);
        }

        return this;
},

hasLayer: function (layer) {
        if (!layer) { return false; }

        return (L.stamp(layer) in this._layers);
},

eachLayer: function (method, context) {
        for (var i in this._layers) {
                method.call(context, this._layers[i]);
        }
        return this;
},

invalidateSize: function (animate) {
        var oldSize = this.getSize();

        this._sizeChanged = true;

        if (this.options.maxBounds) {
                this.setMaxBounds(this.options.maxBounds);
        }

        if (!this._loaded) { return this; }

        var newSize = this.getSize(),
            offset = oldSize.subtract(newSize).divideBy(2).round();

        if ((offset.x !== 0) || (offset.y !== 0)) {
                if (animate === true) {
                        this.panBy(offset);
                } else {
                        this._rawPanBy(offset);

                        this.fire('move');

                        clearTimeout(this._sizeTimer);
                        this._sizeTimer = setTimeout(L.bind(this.fire, this, 'moveend'), 200);
                }
                this.fire('resize', {
                        oldSize: oldSize,
                        newSize: newSize
                });
        }
        return this;
},

// TODO handler.addTo
addHandler: function (name, HandlerClass) {
        if (!HandlerClass) { return; }

        var handler = this[name] = new HandlerClass(this);

        this._handlers.push(handler);

        if (this.options[name]) {
                handler.enable();
        }

        return this;
},

remove: function () {
        if (this._loaded) {
                this.fire('unload');
        }

        this._initEvents('off');

        delete this._container._leaflet;

        this._clearPanes();
        if (this._clearControlPos) {
                this._clearControlPos();
        }

        this._clearHandlers();

        return this;
},

// public methods for getting map state

getCenter: function () { // (Boolean) -> LatLng
        this._checkIfLoaded();

        if (!this._moved()) {
                return this._initialCenter;
        }
        return this.layerPointToLatLng(this._getCenterLayerPoint());
},

getZoom: function () {
        return this._zoom;
},

getBounds: function () {
        var bounds = this.getPixelBounds(),
            sw = this.unproject(bounds.getBottomLeft()),
            ne = this.unproject(bounds.getTopRight());

        return new L.LatLngBounds(sw, ne);
},

getMinZoom: function () {
        var z1 = this.options.minZoom || 0,
            z2 = this._layersMinZoom || 0,
            z3 = this._boundsMinZoom || 0;

        return Math.max(z1, z2, z3);
},

getMaxZoom: function () {
        var z1 = this.options.maxZoom === undefined ? Infinity : this.options.maxZoom,
            z2 = this._layersMaxZoom  === undefined ? Infinity : this._layersMaxZoom;

        return Math.min(z1, z2);
},

getBoundsZoom: function (bounds, inside, padding) { // (LatLngBounds[, Boolean, Point]) -> Number
        bounds = L.latLngBounds(bounds);

        var zoom = this.getMinZoom() - (inside ? 1 : 0),
            maxZoom = this.getMaxZoom(),
            size = this.getSize(),

            nw = bounds.getNorthWest(),
            se = bounds.getSouthEast(),

            zoomNotFound = true,
            boundsSize;

        padding = L.point(padding || [0, 0]);

        do {
                zoom++;
                boundsSize = this.project(se, zoom).subtract(this.project(nw, zoom)).add(padding);
                zoomNotFound = !inside ? size.contains(boundsSize) : boundsSize.x < size.x || boundsSize.y < size.y;

        } while (zoomNotFound && zoom <= maxZoom);

        if (zoomNotFound && inside) {
                return null;
        }

        return inside ? zoom : zoom - 1;
},

getSize: function () {
        if (!this._size || this._sizeChanged) {
                this._size = new L.Point(
                        this._container.clientWidth,
                        this._container.clientHeight);

                this._sizeChanged = false;
        }
        return this._size.clone();
},

getPixelBounds: function () {
        var topLeftPoint = this._getTopLeftPoint();
        return new L.Bounds(topLeftPoint, topLeftPoint.add(this.getSize()));
},

getPixelOrigin: function () {
        this._checkIfLoaded();
        return this._initialTopLeftPoint;
},

getPanes: function () {
        return this._panes;
},

getContainer: function () {
        return this._container;
},

// TODO replace with universal implementation after refactoring projections

getZoomScale: function (toZoom) {
        var crs = this.options.crs;
        return crs.scale(toZoom) / crs.scale(this._zoom);
},

getScaleZoom: function (scale) {
        return this._zoom + (Math.log(scale) / Math.LN2);
},

// conversion methods

project: function (latlng, zoom) { // (LatLng[, Number]) -> Point
        zoom = zoom === undefined ? this._zoom : zoom;
        return this.options.crs.latLngToPoint(L.latLng(latlng), zoom);
},

unproject: function (point, zoom) { // (Point[, Number]) -> LatLng
        zoom = zoom === undefined ? this._zoom : zoom;
        return this.options.crs.pointToLatLng(L.point(point), zoom);
},

layerPointToLatLng: function (point) { // (Point)
        var projectedPoint = L.point(point).add(this.getPixelOrigin());
        return this.unproject(projectedPoint);
},

latLngToLayerPoint: function (latlng) { // (LatLng)
        var projectedPoint = this.project(L.latLng(latlng))._round();
        return projectedPoint._subtract(this.getPixelOrigin());
},

containerPointToLayerPoint: function (point) { // (Point)
        return L.point(point).subtract(this._getMapPanePos());
},

layerPointToContainerPoint: function (point) { // (Point)
        return L.point(point).add(this._getMapPanePos());
},

containerPointToLatLng: function (point) {
        var layerPoint = this.containerPointToLayerPoint(L.point(point));
        return this.layerPointToLatLng(layerPoint);
},

latLngToContainerPoint: function (latlng) {
        return this.layerPointToContainerPoint(this.latLngToLayerPoint(L.latLng(latlng)));
},

mouseEventToContainerPoint: function (e) { // (MouseEvent)
        return L.DomEvent.getMousePosition(e, this._container);
},

mouseEventToLayerPoint: function (e) { // (MouseEvent)
        return this.containerPointToLayerPoint(this.mouseEventToContainerPoint(e));
},

mouseEventToLatLng: function (e) { // (MouseEvent)
        return this.layerPointToLatLng(this.mouseEventToLayerPoint(e));
},

// map initialization methods

_initContainer: function (id) {
        var container = this._container = L.DomUtil.get(id);

        if (!container) {
                throw new Error('Map container not found.');
        } else if (container._leaflet) {
                throw new Error('Map container is already initialized.');
        }

        container._leaflet = true;
},

_initLayout: function () {
        var container = this._container;

        L.DomUtil.addClass(container, 'leaflet-container' +
                (L.Browser.touch ? ' leaflet-touch' : '') +
                (L.Browser.retina ? ' leaflet-retina' : '') +
                (this.options.fadeAnimation ? ' leaflet-fade-anim' : ''));

        var position = L.DomUtil.getStyle(container, 'position');

        if (position !== 'absolute' && position !== 'relative' && position !== 'fixed') {
                container.style.position = 'relative';
        }

        this._initPanes();

        if (this._initControlPos) {
                this._initControlPos();
        }
},

_initPanes: function () {
        var panes = this._panes = {};

        this._mapPane = panes.mapPane = this._createPane('leaflet-map-pane', this._container);

        this._tilePane = panes.tilePane = this._createPane('leaflet-tile-pane', this._mapPane);
        panes.objectsPane = this._createPane('leaflet-objects-pane', this._mapPane);
        panes.shadowPane = this._createPane('leaflet-shadow-pane');
        panes.overlayPane = this._createPane('leaflet-overlay-pane');
        panes.markerPane = this._createPane('leaflet-marker-pane');
        panes.popupPane = this._createPane('leaflet-popup-pane');

        var zoomHide = ' leaflet-zoom-hide';

        if (!this.options.markerZoomAnimation) {
                L.DomUtil.addClass(panes.markerPane, zoomHide);
                L.DomUtil.addClass(panes.shadowPane, zoomHide);
                L.DomUtil.addClass(panes.popupPane, zoomHide);
        }
},

_createPane: function (className, container) {
        return L.DomUtil.create('div', className, container || this._panes.objectsPane);
},

_clearPanes: function () {
        this._container.removeChild(this._mapPane);
},

_initLayers: function (layers) {
        layers = layers ? (L.Util.isArray(layers) ? layers : [layers]) : [];

        this._layers = {};
        this._zoomBoundLayers = {};
        this._tileLayersNum = 0;

        var i, len;

        for (i = 0, len = layers.length; i < len; i++) {
                this.addLayer(layers[i]);
        }
},

// private methods that modify map state

_resetView: function (center, zoom, preserveMapOffset, afterZoomAnim) {

        var zoomChanged = (this._zoom !== zoom);

        if (!afterZoomAnim) {
                this.fire('movestart');

                if (zoomChanged) {
                        this.fire('zoomstart');
                }
        }

        this._zoom = zoom;
        this._initialCenter = center;

        this._initialTopLeftPoint = this._getNewTopLeftPoint(center);

        if (!preserveMapOffset) {
                L.DomUtil.setPosition(this._mapPane, new L.Point(0, 0));
        } else {
                this._initialTopLeftPoint._add(this._getMapPanePos());
        }

        this._tileLayersToLoad = this._tileLayersNum;

        var loading = !this._loaded;
        this._loaded = true;

        if (loading) {
                this.fire('load');
                this.eachLayer(this._layerAdd, this);
        }

        this.fire('viewreset', {hard: !preserveMapOffset});

        this.fire('move');

        if (zoomChanged || afterZoomAnim) {
                this.fire('zoomend');
        }

        this.fire('moveend', {hard: !preserveMapOffset});
},

_rawPanBy: function (offset) {
        L.DomUtil.setPosition(this._mapPane, this._getMapPanePos().subtract(offset));
},

_getZoomSpan: function () {
        return this.getMaxZoom() - this.getMinZoom();
},

_updateZoomLevels: function () {
        var i,
                minZoom = Infinity,
                maxZoom = -Infinity,
                oldZoomSpan = this._getZoomSpan();

        for (i in this._zoomBoundLayers) {
                var layer = this._zoomBoundLayers[i];
                if (!isNaN(layer.options.minZoom)) {
                        minZoom = Math.min(minZoom, layer.options.minZoom);
                }
                if (!isNaN(layer.options.maxZoom)) {
                        maxZoom = Math.max(maxZoom, layer.options.maxZoom);
                }
        }

        if (i === undefined) { // we have no tilelayers
                this._layersMaxZoom = this._layersMinZoom = undefined;
        } else {
                this._layersMaxZoom = maxZoom;
                this._layersMinZoom = minZoom;
        }

        if (oldZoomSpan !== this._getZoomSpan()) {
                this.fire('zoomlevelschange');
        }
},

_panInsideMaxBounds: function () {
        this.panInsideBounds(this.options.maxBounds);
},

_checkIfLoaded: function () {
        if (!this._loaded) {
                throw new Error('Set map center and zoom first.');
        }
},

// map events

_initEvents: function (onOff) {
        if (!L.DomEvent) { return; }

        onOff = onOff || 'on';

        L.DomEvent[onOff](this._container, 'click', this._onMouseClick, this);

        var events = ['dblclick', 'mousedown', 'mouseup', 'mouseenter',
                      'mouseleave', 'mousemove', 'contextmenu'],
            i, len;

        for (i = 0, len = events.length; i < len; i++) {
                L.DomEvent[onOff](this._container, events[i], this._fireMouseEvent, this);
        }

        if (this.options.trackResize) {
                L.DomEvent[onOff](window, 'resize', this._onResize, this);
        }
},

_onResize: function () {
        L.Util.cancelAnimFrame(this._resizeRequest);
        this._resizeRequest = L.Util.requestAnimFrame(
                this.invalidateSize, this, false, this._container);
},

_onMouseClick: function (e) {
        if (!this._loaded || (this.dragging && this.dragging.moved())) { return; }

        this.fire('preclick');
        this._fireMouseEvent(e);
},

_fireMouseEvent: function (e) {
        if (!this._loaded) { return; }

        var type = e.type;

        type = (type === 'mouseenter' ? 'mouseover' : (type === 'mouseleave' ? 'mouseout' : type));

        if (!this.hasEventListeners(type)) { return; }

        if (type === 'contextmenu') {
                L.DomEvent.preventDefault(e);
        }

        var containerPoint = this.mouseEventToContainerPoint(e),
            layerPoint = this.containerPointToLayerPoint(containerPoint),
            latlng = this.layerPointToLatLng(layerPoint);

        this.fire(type, {
                latlng: latlng,
                layerPoint: layerPoint,
                containerPoint: containerPoint,
                originalEvent: e
        });
},

_onTileLayerLoad: function () {
        this._tileLayersToLoad--;
        if (this._tileLayersNum && !this._tileLayersToLoad) {
                this.fire('tilelayersload');
        }
},

_clearHandlers: function () {
        for (var i = 0, len = this._handlers.length; i < len; i++) {
                this._handlers[i].disable();
        }
},

whenReady: function (callback, context) {
        if (this._loaded) {
                callback.call(context || this, this);
        } else {
                this.on('load', callback, context);
        }
        return this;
},

_layerAdd: function (layer) {
        layer.onAdd(this);
        this.fire('layeradd', {layer: layer});
},

// private methods for getting map state

_getMapPanePos: function () {
        return L.DomUtil.getPosition(this._mapPane);
},

_moved: function () {
        var pos = this._getMapPanePos();
        return pos && !pos.equals([0, 0]);
},

_getTopLeftPoint: function () {
        return this.getPixelOrigin().subtract(this._getMapPanePos());
},

_getNewTopLeftPoint: function (center, zoom) {
        var viewHalf = this.getSize()._divideBy(2);
        // TODO round on display, not calculation to increase precision?
        return this.project(center, zoom)._subtract(viewHalf)._round();
},

_latLngToNewLayerPoint: function (latlng, newZoom, newCenter) {
        var topLeft = this._getNewTopLeftPoint(newCenter, newZoom).add(this._getMapPanePos());
        return this.project(latlng, newZoom)._subtract(topLeft);
},

// layer point of the current center
_getCenterLayerPoint: function () {
        return this.containerPointToLayerPoint(this.getSize()._divideBy(2));
},

// offset of the specified place to the current center in pixels
_getCenterOffset: function (latlng) {
        return this.latLngToLayerPoint(latlng).subtract(this._getCenterLayerPoint());
},

_limitZoom: function (zoom) {
        var min = this.getMinZoom(),
            max = this.getMaxZoom();

        return Math.max(min, Math.min(max, zoom));
}

});

L.map = function (id, options) {

return new L.Map(id, options);

};

/*

* Mercator projection that takes into account that the Earth is not a perfect sphere.
* Less popular than spherical mercator; used by projections like EPSG:3395.
*/

L.Projection.Mercator = {

MAX_LATITUDE: 85.0840591556,

R_MINOR: 6356752.3142,
R_MAJOR: 6378137,

project: function (latlng) { // (LatLng) -> Point
        var d = L.LatLng.DEG_TO_RAD,
            max = this.MAX_LATITUDE,
            lat = Math.max(Math.min(max, latlng.lat), -max),
            r = this.R_MAJOR,
            r2 = this.R_MINOR,
            x = latlng.lng * d * r,
            y = lat * d,
            tmp = r2 / r,
            eccent = Math.sqrt(1.0 - tmp * tmp),
            con = eccent * Math.sin(y);

        con = Math.pow((1 - con) / (1 + con), eccent * 0.5);

        var ts = Math.tan(0.5 * ((Math.PI * 0.5) - y)) / con;
        y = -r2 * Math.log(ts);

        return new L.Point(x, y);
},

unproject: function (point) { // (Point, Boolean) -> LatLng
        var d = L.LatLng.RAD_TO_DEG,
            r = this.R_MAJOR,
            r2 = this.R_MINOR,
            lng = point.x * d / r,
            tmp = r2 / r,
            eccent = Math.sqrt(1 - (tmp * tmp)),
            ts = Math.exp(- point.y / r2),
            phi = (Math.PI / 2) - 2 * Math.atan(ts),
            numIter = 15,
            tol = 1e-7,
            i = numIter,
            dphi = 0.1,
            con;

        while ((Math.abs(dphi) > tol) && (--i > 0)) {
                con = eccent * Math.sin(phi);
                dphi = (Math.PI / 2) - 2 * Math.atan(ts *
                            Math.pow((1.0 - con) / (1.0 + con), 0.5 * eccent)) - phi;
                phi += dphi;
        }

        return new L.LatLng(phi * d, lng);
}

};

L.CRS.EPSG3395 = L.extend({}, L.CRS, {

code: 'EPSG:3395',

projection: L.Projection.Mercator,

transformation: (function () {
        var m = L.Projection.Mercator,
            r = m.R_MAJOR,
            r2 = m.R_MINOR;

        return new L.Transformation(0.5 / (Math.PI * r), 0.5, -0.5 / (Math.PI * r2), 0.5);
}())

});

/*

* L.TileLayer is used for standard xyz-numbered tile layers.
*/

L.TileLayer = L.Class.extend({

includes: L.Mixin.Events,

options: {
        minZoom: 0,
        maxZoom: 18,
        tileSize: 256,
        subdomains: 'abc',
        errorTileUrl: '',
        attribution: '',
        zoomOffset: 0,
        opacity: 1,
        /* (undefined works too)
        zIndex: null,
        tms: false,
        continuousWorld: false,
        noWrap: false,
        zoomReverse: false,
        detectRetina: false,
        reuseTiles: false,
        bounds: false,
        */
        unloadInvisibleTiles: L.Browser.mobile,
        updateWhenIdle: L.Browser.mobile
},

initialize: function (url, options) {
        options = L.setOptions(this, options);

        // detecting retina displays, adjusting tileSize and zoom levels
        if (options.detectRetina && L.Browser.retina && options.maxZoom > 0) {

                options.tileSize = Math.floor(options.tileSize / 2);
                options.zoomOffset++;

                if (options.minZoom > 0) {
                        options.minZoom--;
                }
                this.options.maxZoom--;
        }

        if (options.bounds) {
                options.bounds = L.latLngBounds(options.bounds);
        }

        this._url = url;

        var subdomains = this.options.subdomains;

        if (typeof subdomains === 'string') {
                this.options.subdomains = subdomains.split('');
        }
},

onAdd: function (map) {
        this._map = map;
        this._animated = map.options.zoomAnimation && L.Browser.any3d;

        // create a container div for tiles
        this._initContainer();

        // create an image to clone for tiles
        this._createTileProto();

        // set up events
        map.on({
                'viewreset': this._reset,
                'moveend': this._update
        }, this);

        if (this._animated) {
                map.on({
                        'zoomanim': this._animateZoom,
                        'zoomend': this._endZoomAnim
                }, this);
        }

        if (!this.options.updateWhenIdle) {
                this._limitedUpdate = L.Util.limitExecByInterval(this._update, 150, this);
                map.on('move', this._limitedUpdate, this);
        }

        this._reset();
        this._update();
},

addTo: function (map) {
        map.addLayer(this);
        return this;
},

onRemove: function (map) {
        this._container.parentNode.removeChild(this._container);

        map.off({
                'viewreset': this._reset,
                'moveend': this._update
        }, this);

        if (this._animated) {
                map.off({
                        'zoomanim': this._animateZoom,
                        'zoomend': this._endZoomAnim
                }, this);
        }

        if (!this.options.updateWhenIdle) {
                map.off('move', this._limitedUpdate, this);
        }

        this._container = null;
        this._map = null;
},

bringToFront: function () {
        var pane = this._map._panes.tilePane;

        if (this._container) {
                pane.appendChild(this._container);
                this._setAutoZIndex(pane, Math.max);
        }

        return this;
},

bringToBack: function () {
        var pane = this._map._panes.tilePane;

        if (this._container) {
                pane.insertBefore(this._container, pane.firstChild);
                this._setAutoZIndex(pane, Math.min);
        }

        return this;
},

getAttribution: function () {
        return this.options.attribution;
},

getContainer: function () {
        return this._container;
},

setOpacity: function (opacity) {
        this.options.opacity = opacity;

        if (this._map) {
                this._updateOpacity();
        }

        return this;
},

setZIndex: function (zIndex) {
        this.options.zIndex = zIndex;
        this._updateZIndex();

        return this;
},

setUrl: function (url, noRedraw) {
        this._url = url;

        if (!noRedraw) {
                this.redraw();
        }

        return this;
},

redraw: function () {
        if (this._map) {
                this._reset({hard: true});
                this._update();
        }
        return this;
},

_updateZIndex: function () {
        if (this._container && this.options.zIndex !== undefined) {
                this._container.style.zIndex = this.options.zIndex;
        }
},

_setAutoZIndex: function (pane, compare) {

        var layers = pane.children,
            edgeZIndex = -compare(Infinity, -Infinity), // -Infinity for max, Infinity for min
            zIndex, i, len;

        for (i = 0, len = layers.length; i < len; i++) {

                if (layers[i] !== this._container) {
                        zIndex = parseInt(layers[i].style.zIndex, 10);

                        if (!isNaN(zIndex)) {
                                edgeZIndex = compare(edgeZIndex, zIndex);
                        }
                }
        }

        this.options.zIndex = this._container.style.zIndex =
                (isFinite(edgeZIndex) ? edgeZIndex : 0) + compare(1, -1);
},

_updateOpacity: function () {
        var i,
            tiles = this._tiles;

        if (L.Browser.ielt9) {
                for (i in tiles) {
                        L.DomUtil.setOpacity(tiles[i], this.options.opacity);
                }
        } else {
                L.DomUtil.setOpacity(this._container, this.options.opacity);
        }

        // stupid webkit hack to force redrawing of tiles
        if (L.Browser.webkit) {
                for (i in tiles) {
                        tiles[i].style.webkitTransform += ' translate(0,0)';
                }
        }
},

_initContainer: function () {
        var tilePane = this._map._panes.tilePane;

        if (!this._container) {
                this._container = L.DomUtil.create('div', 'leaflet-layer');

                this._updateZIndex();

                if (this._animated) {
                        var className = 'leaflet-tile-container leaflet-zoom-animated';

                        this._bgBuffer = L.DomUtil.create('div', className, this._container);
                        this._bgBuffer.style.zIndex = 1;

                        this._tileContainer = L.DomUtil.create('div', className, this._container);
                        this._tileContainer.style.zIndex = 2;

                } else {
                        this._tileContainer = this._container;
                }

                tilePane.appendChild(this._container);

                if (this.options.opacity < 1) {
                        this._updateOpacity();
                }
        }
},

_reset: function (e) {
        for (var key in this._tiles) {
                this.fire('tileunload', {tile: this._tiles[key]});
        }

        this._tiles = {};
        this._tilesToLoad = 0;

        if (this.options.reuseTiles) {
                this._unusedTiles = [];
        }

        this._tileContainer.innerHTML = '';

        if (this._animated && e && e.hard) {
                this._clearBgBuffer();
        }

        this._initContainer();
},

_update: function () {

        if (!this._map) { return; }

        var bounds = this._map.getPixelBounds(),
            zoom = this._map.getZoom(),
            tileSize = this.options.tileSize;

        if (zoom > this.options.maxZoom || zoom < this.options.minZoom) {
                return;
        }

        var tileBounds = L.bounds(
                bounds.min.divideBy(tileSize)._floor(),
                bounds.max.divideBy(tileSize)._floor());

        this._addTilesFromCenterOut(tileBounds);

        if (this.options.unloadInvisibleTiles || this.options.reuseTiles) {
                this._removeOtherTiles(tileBounds);
        }
},

_addTilesFromCenterOut: function (bounds) {
        var queue = [],
            center = bounds.getCenter();

        var j, i, point;

        for (j = bounds.min.y; j <= bounds.max.y; j++) {
                for (i = bounds.min.x; i <= bounds.max.x; i++) {
                        point = new L.Point(i, j);

                        if (this._tileShouldBeLoaded(point)) {
                                queue.push(point);
                        }
                }
        }

        var tilesToLoad = queue.length;

        if (tilesToLoad === 0) { return; }

        // load tiles in order of their distance to center
        queue.sort(function (a, b) {
                return a.distanceTo(center) - b.distanceTo(center);
        });

        var fragment = document.createDocumentFragment();

        // if its the first batch of tiles to load
        if (!this._tilesToLoad) {
                this.fire('loading');
        }

        this._tilesToLoad += tilesToLoad;

        for (i = 0; i < tilesToLoad; i++) {
                this._addTile(queue[i], fragment);
        }

        this._tileContainer.appendChild(fragment);
},

_tileShouldBeLoaded: function (tilePoint) {
        if ((tilePoint.x + ':' + tilePoint.y) in this._tiles) {
                return false; // already loaded
        }

        var options = this.options;

        if (!options.continuousWorld) {
                var limit = this._getWrapTileNum();

                // don't load if exceeds world bounds
                if ((options.noWrap && (tilePoint.x < 0 || tilePoint.x >= limit)) ||
                        tilePoint.y < 0 || tilePoint.y >= limit) { return false; }
        }

        if (options.bounds) {
                var tileSize = options.tileSize,
                    nwPoint = tilePoint.multiplyBy(tileSize),
                    sePoint = nwPoint.add([tileSize, tileSize]),
                    nw = this._map.unproject(nwPoint),
                    se = this._map.unproject(sePoint);

                // TODO temporary hack, will be removed after refactoring projections
                // https://github.com/Leaflet/Leaflet/issues/1618
                if (!options.continuousWorld && !options.noWrap) {
                        nw = nw.wrap();
                        se = se.wrap();
                }

                if (!options.bounds.intersects([nw, se])) { return false; }
        }

        return true;
},

_removeOtherTiles: function (bounds) {
        var kArr, x, y, key;

        for (key in this._tiles) {
                kArr = key.split(':');
                x = parseInt(kArr[0], 10);
                y = parseInt(kArr[1], 10);

                // remove tile if it's out of bounds
                if (x < bounds.min.x || x > bounds.max.x || y < bounds.min.y || y > bounds.max.y) {
                        this._removeTile(key);
                }
        }
},

_removeTile: function (key) {
        var tile = this._tiles[key];

        this.fire('tileunload', {tile: tile, url: tile.src});

        if (this.options.reuseTiles) {
                L.DomUtil.removeClass(tile, 'leaflet-tile-loaded');
                this._unusedTiles.push(tile);

        } else if (tile.parentNode === this._tileContainer) {
                this._tileContainer.removeChild(tile);
        }

        // for https://github.com/CloudMade/Leaflet/issues/137
        if (!L.Browser.android) {
                tile.onload = null;
                tile.src = L.Util.emptyImageUrl;
        }

        delete this._tiles[key];
},

_addTile: function (tilePoint, container) {
        var tilePos = this._getTilePos(tilePoint);

        // get unused tile - or create a new tile
        var tile = this._getTile();

        /*
        Chrome 20 layouts much faster with top/left (verify with timeline, frames)
        Android 4 browser has display issues with top/left and requires transform instead
        Android 2 browser requires top/left or tiles disappear on load or first drag
        (reappear after zoom) https://github.com/CloudMade/Leaflet/issues/866
        (other browsers don't currently care) - see debug/hacks/jitter.html for an example
        */
        L.DomUtil.setPosition(tile, tilePos, L.Browser.chrome || L.Browser.android23);

        this._tiles[tilePoint.x + ':' + tilePoint.y] = tile;

        this._loadTile(tile, tilePoint);

        if (tile.parentNode !== this._tileContainer) {
                container.appendChild(tile);
        }
},

_getZoomForUrl: function () {

        var options = this.options,
            zoom = this._map.getZoom();

        if (options.zoomReverse) {
                zoom = options.maxZoom - zoom;
        }

        return zoom + options.zoomOffset;
},

_getTilePos: function (tilePoint) {
        var origin = this._map.getPixelOrigin(),
            tileSize = this.options.tileSize;

        return tilePoint.multiplyBy(tileSize).subtract(origin);
},

// image-specific code (override to implement e.g. Canvas or SVG tile layer)

getTileUrl: function (tilePoint) {
        return L.Util.template(this._url, L.extend({
                s: this._getSubdomain(tilePoint),
                z: tilePoint.z,
                x: tilePoint.x,
                y: tilePoint.y
        }, this.options));
},

_getWrapTileNum: function () {
        // TODO refactor, limit is not valid for non-standard projections
        return Math.pow(2, this._getZoomForUrl());
},

_adjustTilePoint: function (tilePoint) {

        var limit = this._getWrapTileNum();

        // wrap tile coordinates
        if (!this.options.continuousWorld && !this.options.noWrap) {
                tilePoint.x = ((tilePoint.x % limit) + limit) % limit;
        }

        if (this.options.tms) {
                tilePoint.y = limit - tilePoint.y - 1;
        }

        tilePoint.z = this._getZoomForUrl();
},

_getSubdomain: function (tilePoint) {
        var index = Math.abs(tilePoint.x + tilePoint.y) % this.options.subdomains.length;
        return this.options.subdomains[index];
},

_createTileProto: function () {
        var img = this._tileImg = L.DomUtil.create('img', 'leaflet-tile');
        img.style.width = img.style.height = this.options.tileSize + 'px';
        img.galleryimg = 'no';
},

_getTile: function () {
        if (this.options.reuseTiles && this._unusedTiles.length > 0) {
                var tile = this._unusedTiles.pop();
                this._resetTile(tile);
                return tile;
        }
        return this._createTile();
},

// Override if data stored on a tile needs to be cleaned up before reuse
_resetTile: function (/*tile*/) {},

_createTile: function () {
        var tile = this._tileImg.cloneNode(false);
        tile.onselectstart = tile.onmousemove = L.Util.falseFn;

        if (L.Browser.ielt9 && this.options.opacity !== undefined) {
                L.DomUtil.setOpacity(tile, this.options.opacity);
        }
        return tile;
},

_loadTile: function (tile, tilePoint) {
        tile._layer  = this;
        tile.onload  = this._tileOnLoad;
        tile.onerror = this._tileOnError;

        this._adjustTilePoint(tilePoint);
        tile.src     = this.getTileUrl(tilePoint);
},

_tileLoaded: function () {
        this._tilesToLoad--;
        if (!this._tilesToLoad) {
                this.fire('load');

                if (this._animated) {
                        // clear scaled tiles after all new tiles are loaded (for performance)
                        clearTimeout(this._clearBgBufferTimer);
                        this._clearBgBufferTimer = setTimeout(L.bind(this._clearBgBuffer, this), 500);
                }
        }
},

_tileOnLoad: function () {
        var layer = this._layer;

        //Only if we are loading an actual image
        if (this.src !== L.Util.emptyImageUrl) {
                L.DomUtil.addClass(this, 'leaflet-tile-loaded');

                layer.fire('tileload', {
                        tile: this,
                        url: this.src
                });
        }

        layer._tileLoaded();
},

_tileOnError: function () {
        var layer = this._layer;

        layer.fire('tileerror', {
                tile: this,
                url: this.src
        });

        var newUrl = layer.options.errorTileUrl;
        if (newUrl) {
                this.src = newUrl;
        }

        layer._tileLoaded();
}

});

L.tileLayer = function (url, options) {

return new L.TileLayer(url, options);

};

/*

* L.TileLayer.WMS is used for putting WMS tile layers on the map.
*/

L.TileLayer.WMS = L.TileLayer.extend({

defaultWmsParams: {
        service: 'WMS',
        request: 'GetMap',
        version: '1.1.1',
        layers: '',
        styles: '',
        format: 'image/jpeg',
        transparent: false
},

initialize: function (url, options) { // (String, Object)

        this._url = url;

        var wmsParams = L.extend({}, this.defaultWmsParams),
            tileSize = options.tileSize || this.options.tileSize;

        if (options.detectRetina && L.Browser.retina) {
                wmsParams.width = wmsParams.height = tileSize * 2;
        } else {
                wmsParams.width = wmsParams.height = tileSize;
        }

        for (var i in options) {
                // all keys that are not TileLayer options go to WMS params
                if (!this.options.hasOwnProperty(i)) {
                        wmsParams[i] = options[i];
                }
        }

        this.wmsParams = wmsParams;

        L.setOptions(this, options);
},

onAdd: function (map) {

        var projectionKey = parseFloat(this.wmsParams.version) >= 1.3 ? 'crs' : 'srs';
        this.wmsParams[projectionKey] = map.options.crs.code;

        L.TileLayer.prototype.onAdd.call(this, map);
},

getTileUrl: function (tilePoint, zoom) { // (Point, Number) -> String

        var map = this._map,
            crs = map.options.crs,
            tileSize = this.options.tileSize,

            nwPoint = tilePoint.multiplyBy(tileSize),
            sePoint = nwPoint.add([tileSize, tileSize]),

            nw = crs.project(map.unproject(nwPoint, zoom)),
            se = crs.project(map.unproject(sePoint, zoom)),

            bbox = [nw.x, se.y, se.x, nw.y].join(','),

            url = L.Util.template(this._url, {s: this._getSubdomain(tilePoint)});

        return url + L.Util.getParamString(this.wmsParams, url, true) + '&BBOX=' + bbox;
},

setParams: function (params, noRedraw) {

        L.extend(this.wmsParams, params);

        if (!noRedraw) {
                this.redraw();
        }

        return this;
}

});

L.tileLayer.wms = function (url, options) {

return new L.TileLayer.WMS(url, options);

};

/*

* L.TileLayer.Canvas is a class that you can use as a base for creating
* dynamically drawn Canvas-based tile layers.
*/

L.TileLayer.Canvas = L.TileLayer.extend({

options: {
        async: false
},

initialize: function (options) {
        L.setOptions(this, options);
},

redraw: function () {
        for (var i in this._tiles) {
                this._redrawTile(this._tiles[i]);
        }
        return this;
},

_redrawTile: function (tile) {
        this.drawTile(tile, tile._tilePoint, this._map._zoom);
},

_createTileProto: function () {
        var proto = this._canvasProto = L.DomUtil.create('canvas', 'leaflet-tile');
        proto.width = proto.height = this.options.tileSize;
},

_createTile: function () {
        var tile = this._canvasProto.cloneNode(false);
        tile.onselectstart = tile.onmousemove = L.Util.falseFn;
        return tile;
},

_loadTile: function (tile, tilePoint) {
        tile._layer = this;
        tile._tilePoint = tilePoint;

        this._redrawTile(tile);

        if (!this.options.async) {
                this.tileDrawn(tile);
        }
},

drawTile: function (/*tile, tilePoint*/) {
        // override with rendering code
},

tileDrawn: function (tile) {
        this._tileOnLoad.call(tile);
}

});

L.tileLayer.canvas = function (options) {

return new L.TileLayer.Canvas(options);

};

/*

* L.ImageOverlay is used to overlay images over the map (to specific geographical bounds).
*/

L.ImageOverlay = L.Class.extend({

includes: L.Mixin.Events,

options: {
        opacity: 1
},

initialize: function (url, bounds, options) { // (String, LatLngBounds, Object)
        this._url = url;
        this._bounds = L.latLngBounds(bounds);

        L.setOptions(this, options);
},

onAdd: function (map) {
        this._map = map;

        if (!this._image) {
                this._initImage();
        }

        map._panes.overlayPane.appendChild(this._image);

        map.on('viewreset', this._reset, this);

        if (map.options.zoomAnimation && L.Browser.any3d) {
                map.on('zoomanim', this._animateZoom, this);
        }

        this._reset();
},

onRemove: function (map) {
        map.getPanes().overlayPane.removeChild(this._image);

        map.off('viewreset', this._reset, this);

        if (map.options.zoomAnimation) {
                map.off('zoomanim', this._animateZoom, this);
        }
},

addTo: function (map) {
        map.addLayer(this);
        return this;
},

setOpacity: function (opacity) {
        this.options.opacity = opacity;
        this._updateOpacity();
        return this;
},

// TODO remove bringToFront/bringToBack duplication from TileLayer/Path
bringToFront: function () {
        if (this._image) {
                this._map._panes.overlayPane.appendChild(this._image);
        }
        return this;
},

bringToBack: function () {
        var pane = this._map._panes.overlayPane;
        if (this._image) {
                pane.insertBefore(this._image, pane.firstChild);
        }
        return this;
},

_initImage: function () {
        this._image = L.DomUtil.create('img', 'leaflet-image-layer');

        if (this._map.options.zoomAnimation && L.Browser.any3d) {
                L.DomUtil.addClass(this._image, 'leaflet-zoom-animated');
        } else {
                L.DomUtil.addClass(this._image, 'leaflet-zoom-hide');
        }

        this._updateOpacity();

        //TODO createImage util method to remove duplication
        L.extend(this._image, {
                galleryimg: 'no',
                onselectstart: L.Util.falseFn,
                onmousemove: L.Util.falseFn,
                onload: L.bind(this._onImageLoad, this),
                src: this._url
        });
},

_animateZoom: function (e) {
        var map = this._map,
            image = this._image,
            scale = map.getZoomScale(e.zoom),
            nw = this._bounds.getNorthWest(),
            se = this._bounds.getSouthEast(),

            topLeft = map._latLngToNewLayerPoint(nw, e.zoom, e.center),
            size = map._latLngToNewLayerPoint(se, e.zoom, e.center)._subtract(topLeft),
            origin = topLeft._add(size._multiplyBy((1 / 2) * (1 - 1 / scale)));

        image.style[L.DomUtil.TRANSFORM] =
                L.DomUtil.getTranslateString(origin) + ' scale(' + scale + ') ';
},

_reset: function () {
        var image   = this._image,
            topLeft = this._map.latLngToLayerPoint(this._bounds.getNorthWest()),
            size = this._map.latLngToLayerPoint(this._bounds.getSouthEast())._subtract(topLeft);

        L.DomUtil.setPosition(image, topLeft);

        image.style.width  = size.x + 'px';
        image.style.height = size.y + 'px';
},

_onImageLoad: function () {
        this.fire('load');
},

_updateOpacity: function () {
        L.DomUtil.setOpacity(this._image, this.options.opacity);
}

});

L.imageOverlay = function (url, bounds, options) {

return new L.ImageOverlay(url, bounds, options);

};

/*

* L.Icon is an image-based icon class that you can use with L.Marker for custom markers.
*/

L.Icon = L.Class.extend({

options: {
        /*
        iconUrl: (String) (required)
        iconRetinaUrl: (String) (optional, used for retina devices if detected)
        iconSize: (Point) (can be set through CSS)
        iconAnchor: (Point) (centered by default, can be set in CSS with negative margins)
        popupAnchor: (Point) (if not specified, popup opens in the anchor point)
        shadowUrl: (Point) (no shadow by default)
        shadowRetinaUrl: (String) (optional, used for retina devices if detected)
        shadowSize: (Point)
        shadowAnchor: (Point)
        */
        className: ''
},

initialize: function (options) {
        L.setOptions(this, options);
},

createIcon: function (oldIcon) {
        return this._createIcon('icon', oldIcon);
},

createShadow: function (oldIcon) {
        return this._createIcon('shadow', oldIcon);
},

_createIcon: function (name, oldIcon) {
        var src = this._getIconUrl(name);

        if (!src) {
                if (name === 'icon') {
                        throw new Error('iconUrl not set in Icon options (see the docs).');
                }
                return null;
        }

        var img;
        if (!oldIcon || oldIcon.tagName !== 'IMG') {
                img = this._createImg(src);
        } else {
                img = this._createImg(src, oldIcon);
        }
        this._setIconStyles(img, name);

        return img;
},

_setIconStyles: function (img, name) {
        var options = this.options,
            size = L.point(options[name + 'Size']),
            anchor;

        if (name === 'shadow') {
                anchor = L.point(options.shadowAnchor || options.iconAnchor);
        } else {
                anchor = L.point(options.iconAnchor);
        }

        if (!anchor && size) {
                anchor = size.divideBy(2, true);
        }

        img.className = 'leaflet-marker-' + name + ' ' + options.className;

        if (anchor) {
                img.style.marginLeft = (-anchor.x) + 'px';
                img.style.marginTop  = (-anchor.y) + 'px';
        }

        if (size) {
                img.style.width  = size.x + 'px';
                img.style.height = size.y + 'px';
        }
},

_createImg: function (src, el) {

        if (!L.Browser.ie6) {
                if (!el) {
                        el = document.createElement('img');
                }
                el.src = src;
        } else {
                if (!el) {
                        el = document.createElement('div');
                }
                el.style.filter =
                        'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + src + '")';
        }
        return el;
},

_getIconUrl: function (name) {
        if (L.Browser.retina && this.options[name + 'RetinaUrl']) {
                return this.options[name + 'RetinaUrl'];
        }
        return this.options[name + 'Url'];
}

});

L.icon = function (options) {

return new L.Icon(options);

};

/*

* L.Icon.Default is the blue marker icon used by default in Leaflet.
*/

L.Icon.Default = L.Icon.extend({

options: {
        iconSize: [25, 41],
        iconAnchor: [12, 41],
        popupAnchor: [1, -34],

        shadowSize: [41, 41]
},

_getIconUrl: function (name) {
        var key = name + 'Url';

        if (this.options[key]) {
                return this.options[key];
        }

        if (L.Browser.retina && name === 'icon') {
                name += '-2x';
        }

        var path = L.Icon.Default.imagePath;

        if (!path) {
                throw new Error('Couldn\'t autodetect L.Icon.Default.imagePath, set it manually.');
        }

        return path + '/marker-' + name + '.png';
}

});

L.Icon.Default.imagePath = (function () {

var scripts = document.getElementsByTagName('script'),
    leafletRe = /[\/^]leaflet[\-\._]?([\w\-\._]*)\.js\??/;

var i, len, src, matches, path;

for (i = 0, len = scripts.length; i < len; i++) {
        src = scripts[i].src;
        matches = src.match(leafletRe);

        if (matches) {
                path = src.split(leafletRe)[0];
                return (path ? path + '/' : '') + 'images';
        }
}

}());

/*

* L.Marker is used to display clickable/draggable icons on the map.
*/

L.Marker = L.Class.extend({

includes: L.Mixin.Events,

options: {
        icon: new L.Icon.Default(),
        title: '',
        clickable: true,
        draggable: false,
        zIndexOffset: 0,
        opacity: 1,
        riseOnHover: false,
        riseOffset: 250
},

initialize: function (latlng, options) {
        L.setOptions(this, options);
        this._latlng = L.latLng(latlng);
},

onAdd: function (map) {
        this._map = map;

        map.on('viewreset', this.update, this);

        this._initIcon();
        this.update();

        if (map.options.zoomAnimation && map.options.markerZoomAnimation) {
                map.on('zoomanim', this._animateZoom, this);
        }
},

addTo: function (map) {
        map.addLayer(this);
        return this;
},

onRemove: function (map) {
        if (this.dragging) {
                this.dragging.disable();
        }

        this._removeIcon();

        this.fire('remove');

        map.off({
                'viewreset': this.update,
                'zoomanim': this._animateZoom
        }, this);

        this._map = null;
},

getLatLng: function () {
        return this._latlng;
},

setLatLng: function (latlng) {
        this._latlng = L.latLng(latlng);

        this.update();

        return this.fire('move', { latlng: this._latlng });
},

setZIndexOffset: function (offset) {
        this.options.zIndexOffset = offset;
        this.update();

        return this;
},

setIcon: function (icon) {

        this.options.icon = icon;

        if (this._map) {
                this._initIcon();
                this.update();
        }

        return this;
},

update: function () {
        if (this._icon) {
                var pos = this._map.latLngToLayerPoint(this._latlng).round();
                this._setPos(pos);
        }

        return this;
},

_initIcon: function () {
        var options = this.options,
            map = this._map,
            animation = (map.options.zoomAnimation && map.options.markerZoomAnimation),
            classToAdd = animation ? 'leaflet-zoom-animated' : 'leaflet-zoom-hide',
            needOpacityUpdate = false;

        var reuseIcon = this._icon;
        if (!reuseIcon) {
                this._icon = options.icon.createIcon();
        } else {
                var newIcon = options.icon.createIcon(this._icon);

                //If the icon isn't being reused, remove the old one
                if (newIcon !== this._icon) {
                        this._removeIcon();

                        this._icon = newIcon;
                        reuseIcon = false;
                }
        }

        if (options.title) {
                this._icon.title = options.title;
        }

        this._initInteraction();
        needOpacityUpdate = (options.opacity < 1);

        L.DomUtil.addClass(this._icon, classToAdd);

        if (options.riseOnHover) {
                L.DomEvent
                        .on(this._icon, 'mouseover', this._bringToFront, this)
                        .on(this._icon, 'mouseout', this._resetZIndex, this);
        }

        var reuseShadow = this._shadow;
        if (!reuseShadow) {
                this._shadow = options.icon.createShadow();

                if (this._shadow) {
                        L.DomUtil.addClass(this._shadow, classToAdd);
                        needOpacityUpdate = (options.opacity < 1);
                }
        } else {
                this._shadow = options.icon.createShadow(this._shadow);
        }

        if (needOpacityUpdate) {
                this._updateOpacity();
        }

        var panes = this._map._panes;

        if (!reuseIcon) {
                panes.markerPane.appendChild(this._icon);
        }

        if (this._shadow && !reuseShadow) {
                panes.shadowPane.appendChild(this._shadow);
        }
},

_removeIcon: function () {
        var panes = this._map._panes;

        if (this.options.riseOnHover) {
                L.DomEvent
                    .off(this._icon, 'mouseover', this._bringToFront)
                    .off(this._icon, 'mouseout', this._resetZIndex);
        }

        panes.markerPane.removeChild(this._icon);

        if (this._shadow) {
                panes.shadowPane.removeChild(this._shadow);
        }

        this._icon = this._shadow = null;
},

_setPos: function (pos) {
        L.DomUtil.setPosition(this._icon, pos);

        if (this._shadow) {
                L.DomUtil.setPosition(this._shadow, pos);
        }

        this._zIndex = pos.y + this.options.zIndexOffset;

        this._resetZIndex();
},

_updateZIndex: function (offset) {
        this._icon.style.zIndex = this._zIndex + offset;
},

_animateZoom: function (opt) {
        var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center);

        this._setPos(pos);
},

_initInteraction: function () {

        if (!this.options.clickable) { return; }

        // TODO refactor into something shared with Map/Path/etc. to DRY it up

        var icon = this._icon,
            events = ['dblclick', 'mousedown', 'mouseover', 'mouseout', 'contextmenu'];

        L.DomUtil.addClass(icon, 'leaflet-clickable');
        L.DomEvent.on(icon, 'click', this._onMouseClick, this);

        for (var i = 0; i < events.length; i++) {
                L.DomEvent.on(icon, events[i], this._fireMouseEvent, this);
        }

        if (L.Handler.MarkerDrag) {
                this.dragging = new L.Handler.MarkerDrag(this);

                if (this.options.draggable) {
                        this.dragging.enable();
                }
        }
},

_onMouseClick: function (e) {
        var wasDragged = this.dragging && this.dragging.moved();

        if (this.hasEventListeners(e.type) || wasDragged) {
                L.DomEvent.stopPropagation(e);
        }

        if (wasDragged) { return; }

        if ((!this.dragging || !this.dragging._enabled) && this._map.dragging && this._map.dragging.moved()) { return; }

        this.fire(e.type, {
                originalEvent: e,
                latlng: this._latlng
        });
},

_fireMouseEvent: function (e) {

        this.fire(e.type, {
                originalEvent: e,
                latlng: this._latlng
        });

        // TODO proper custom event propagation
        // this line will always be called if marker is in a FeatureGroup
        if (e.type === 'contextmenu' && this.hasEventListeners(e.type)) {
                L.DomEvent.preventDefault(e);
        }
        if (e.type !== 'mousedown') {
                L.DomEvent.stopPropagation(e);
        }
},

setOpacity: function (opacity) {
        this.options.opacity = opacity;
        if (this._map) {
                this._updateOpacity();
        }
},

_updateOpacity: function () {
        L.DomUtil.setOpacity(this._icon, this.options.opacity);
        if (this._shadow) {
                L.DomUtil.setOpacity(this._shadow, this.options.opacity);
        }
},

_bringToFront: function () {
        this._updateZIndex(this.options.riseOffset);
},

_resetZIndex: function () {
        this._updateZIndex(0);
}

});

L.marker = function (latlng, options) {

return new L.Marker(latlng, options);

};

/*

* L.DivIcon is a lightweight HTML-based icon class (as opposed to the image-based L.Icon)
* to use with L.Marker.
*/

L.DivIcon = L.Icon.extend({

options: {
        iconSize: [12, 12], // also can be set through CSS
        /*
        iconAnchor: (Point)
        popupAnchor: (Point)
        html: (String)
        bgPos: (Point)
        */
        className: 'leaflet-div-icon',
        html: false
},

createIcon: function (oldIcon) {
        var div = (oldIcon && oldIcon.tagName === 'DIV') ? oldIcon : document.createElement('div'),
            options = this.options;

        if (options.html !== false) {
                div.innerHTML = options.html;
        } else {
                div.innerHTML = '';
        }

        if (options.bgPos) {
                div.style.backgroundPosition =
                        (-options.bgPos.x) + 'px ' + (-options.bgPos.y) + 'px';
        }

        this._setIconStyles(div, 'icon');
        return div;
},

createShadow: function () {
        return null;
}

});

L.divIcon = function (options) {

return new L.DivIcon(options);

};

/*

* L.Popup is used for displaying popups on the map.
*/

L.Map.mergeOptions({

closePopupOnClick: true

});

L.Popup = L.Class.extend({

includes: L.Mixin.Events,

options: {
        minWidth: 50,
        maxWidth: 300,
        maxHeight: null,
        autoPan: true,
        closeButton: true,
        offset: [0, 7],
        autoPanPadding: [5, 5],
        keepInView: false,
        className: '',
        zoomAnimation: true
},

initialize: function (options, source) {
        L.setOptions(this, options);

        this._source = source;
        this._animated = L.Browser.any3d && this.options.zoomAnimation;
},

onAdd: function (map) {
        this._map = map;

        if (!this._container) {
                this._initLayout();
        }
        this._updateContent();

        var animFade = map.options.fadeAnimation;

        if (animFade) {
                L.DomUtil.setOpacity(this._container, 0);
        }
        map._panes.popupPane.appendChild(this._container);

        map.on(this._getEvents(), this);

        this._update();

        if (animFade) {
                L.DomUtil.setOpacity(this._container, 1);
        }

        this.fire('open');

        map.fire('popupopen', {popup: this});

        if (this._source) {
                this._source.fire('popupopen', {popup: this});
        }
},

addTo: function (map) {
        map.addLayer(this);
        return this;
},

openOn: function (map) {
        map.openPopup(this);
        return this;
},

onRemove: function (map) {
        map._panes.popupPane.removeChild(this._container);

        L.Util.falseFn(this._container.offsetWidth); // force reflow

        map.off(this._getEvents(), this);

        if (map.options.fadeAnimation) {
                L.DomUtil.setOpacity(this._container, 0);
        }

        this._map = null;

        this.fire('close');

        map.fire('popupclose', {popup: this});

        if (this._source) {
                this._source.fire('popupclose', {popup: this});
        }
},

setLatLng: function (latlng) {
        this._latlng = L.latLng(latlng);
        this._update();
        return this;
},

setContent: function (content) {
        this._content = content;
        this._update();
        return this;
},

_getEvents: function () {
        var events = {
                viewreset: this._updatePosition
        };

        if (this._animated) {
                events.zoomanim = this._zoomAnimation;
        }
        if ('closeOnClick' in this.options ? this.options.closeOnClick : this._map.options.closePopupOnClick) {
                events.preclick = this._close;
        }
        if (this.options.keepInView) {
                events.moveend = this._adjustPan;
        }

        return events;
},

_close: function () {
        if (this._map) {
                this._map.closePopup(this);
        }
},

_initLayout: function () {
        var prefix = 'leaflet-popup',
                containerClass = prefix + ' ' + this.options.className + ' leaflet-zoom-' +
                        (this._animated ? 'animated' : 'hide'),
                container = this._container = L.DomUtil.create('div', containerClass),
                closeButton;

        if (this.options.closeButton) {
                closeButton = this._closeButton =
                        L.DomUtil.create('a', prefix + '-close-button', container);
                closeButton.href = '#close';
                closeButton.innerHTML = '&#215;';
                L.DomEvent.disableClickPropagation(closeButton);

                L.DomEvent.on(closeButton, 'click', this._onCloseButtonClick, this);
        }

        var wrapper = this._wrapper =
                L.DomUtil.create('div', prefix + '-content-wrapper', container);
        L.DomEvent.disableClickPropagation(wrapper);

        this._contentNode = L.DomUtil.create('div', prefix + '-content', wrapper);
        L.DomEvent.on(this._contentNode, 'mousewheel', L.DomEvent.stopPropagation);
        L.DomEvent.on(wrapper, 'contextmenu', L.DomEvent.stopPropagation);
        this._tipContainer = L.DomUtil.create('div', prefix + '-tip-container', container);
        this._tip = L.DomUtil.create('div', prefix + '-tip', this._tipContainer);
},

_update: function () {
        if (!this._map) { return; }

        this._container.style.visibility = 'hidden';

        this._updateContent();
        this._updateLayout();
        this._updatePosition();

        this._container.style.visibility = '';

        this._adjustPan();
},

_updateContent: function () {
        if (!this._content) { return; }

        if (typeof this._content === 'string') {
                this._contentNode.innerHTML = this._content;
        } else {
                while (this._contentNode.hasChildNodes()) {
                        this._contentNode.removeChild(this._contentNode.firstChild);
                }
                this._contentNode.appendChild(this._content);
        }
        this.fire('contentupdate');
},

_updateLayout: function () {
        var container = this._contentNode,
            style = container.style;

        style.width = '';
        style.whiteSpace = 'nowrap';

        var width = container.offsetWidth;
        width = Math.min(width, this.options.maxWidth);
        width = Math.max(width, this.options.minWidth);

        style.width = (width + 1) + 'px';
        style.whiteSpace = '';

        style.height = '';

        var height = container.offsetHeight,
            maxHeight = this.options.maxHeight,
            scrolledClass = 'leaflet-popup-scrolled';

        if (maxHeight && height > maxHeight) {
                style.height = maxHeight + 'px';
                L.DomUtil.addClass(container, scrolledClass);
        } else {
                L.DomUtil.removeClass(container, scrolledClass);
        }

        this._containerWidth = this._container.offsetWidth;
},

_updatePosition: function () {
        if (!this._map) { return; }

        var pos = this._map.latLngToLayerPoint(this._latlng),
            animated = this._animated,
            offset = L.point(this.options.offset);

        if (animated) {
                L.DomUtil.setPosition(this._container, pos);
        }

        this._containerBottom = -offset.y - (animated ? 0 : pos.y);
        this._containerLeft = -Math.round(this._containerWidth / 2) + offset.x + (animated ? 0 : pos.x);

        // bottom position the popup in case the height of the popup changes (images loading etc)
        this._container.style.bottom = this._containerBottom + 'px';
        this._container.style.left = this._containerLeft + 'px';
},

_zoomAnimation: function (opt) {
        var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center);

        L.DomUtil.setPosition(this._container, pos);
},

_adjustPan: function () {
        if (!this.options.autoPan) { return; }

        var map = this._map,
            containerHeight = this._container.offsetHeight,
            containerWidth = this._containerWidth,

            layerPos = new L.Point(this._containerLeft, -containerHeight - this._containerBottom);

        if (this._animated) {
                layerPos._add(L.DomUtil.getPosition(this._container));
        }

        var containerPos = map.layerPointToContainerPoint(layerPos),
            padding = L.point(this.options.autoPanPadding),
            size = map.getSize(),
            dx = 0,
            dy = 0;

        if (containerPos.x + containerWidth > size.x) { // right
                dx = containerPos.x + containerWidth - size.x + padding.x;
        }
        if (containerPos.x - dx < 0) { // left
                dx = containerPos.x - padding.x;
        }
        if (containerPos.y + containerHeight > size.y) { // bottom
                dy = containerPos.y + containerHeight - size.y + padding.y;
        }
        if (containerPos.y - dy < 0) { // top
                dy = containerPos.y - padding.y;
        }

        if (dx || dy) {
                map
                    .fire('autopanstart')
                    .panBy([dx, dy]);
        }
},

_onCloseButtonClick: function (e) {
        this._close();
        L.DomEvent.stop(e);
}

});

L.popup = function (options, source) {

return new L.Popup(options, source);

};

L.Map.include({

openPopup: function (popup, latlng, options) { // (Popup) or (String || HTMLElement, LatLng[, Object])
        this.closePopup();

        if (!(popup instanceof L.Popup)) {
                var content = popup;

                popup = new L.Popup(options)
                    .setLatLng(latlng)
                    .setContent(content);
        }

        this._popup = popup;
        return this.addLayer(popup);
},

closePopup: function (popup) {
        if (!popup || popup === this._popup) {
                popup = this._popup;
                this._popup = null;
        }
        if (popup) {
                this.removeLayer(popup);
        }
        return this;
}

});

/*

* Popup extension to L.Marker, adding popup-related methods.
*/

L.Marker.include({

openPopup: function () {
        if (this._popup && this._map && !this._map.hasLayer(this._popup)) {
                this._popup.setLatLng(this._latlng);
                this._map.openPopup(this._popup);
        }

        return this;
},

closePopup: function () {
        if (this._popup) {
                this._popup._close();
        }
        return this;
},

bindPopup: function (content, options) {
        var anchor = L.point(this.options.icon.options.popupAnchor || [0, 0]);

        anchor = anchor.add(L.Popup.prototype.options.offset);

        if (options && options.offset) {
                anchor = anchor.add(options.offset);
        }

        options = L.extend({offset: anchor}, options);

        if (!this._popup) {
                this
                    .on('click', this.openPopup, this)
                    .on('remove', this.closePopup, this)
                    .on('move', this._movePopup, this);
        }

        if (content instanceof L.Popup) {
                L.setOptions(content, options);
                this._popup = content;
        } else {
                this._popup = new L.Popup(options, this)
                        .setContent(content);
        }

        return this;
},

setPopupContent: function (content) {
        if (this._popup) {
                this._popup.setContent(content);
        }
        return this;
},

unbindPopup: function () {
        if (this._popup) {
                this._popup = null;
                this
                    .off('click', this.openPopup)
                    .off('remove', this.closePopup)
                    .off('move', this._movePopup);
        }
        return this;
},

_movePopup: function (e) {
        this._popup.setLatLng(e.latlng);
}

});

/*

* L.LayerGroup is a class to combine several layers into one so that
* you can manipulate the group (e.g. add/remove it) as one layer.
*/

L.LayerGroup = L.Class.extend({

initialize: function (layers) {
        this._layers = {};

        var i, len;

        if (layers) {
                for (i = 0, len = layers.length; i < len; i++) {
                        this.addLayer(layers[i]);
                }
        }
},

addLayer: function (layer) {
        var id = this.getLayerId(layer);

        this._layers[id] = layer;

        if (this._map) {
                this._map.addLayer(layer);
        }

        return this;
},

removeLayer: function (layer) {
        var id = layer in this._layers ? layer : this.getLayerId(layer);

        if (this._map && this._layers[id]) {
                this._map.removeLayer(this._layers[id]);
        }

        delete this._layers[id];

        return this;
},

hasLayer: function (layer) {
        if (!layer) { return false; }

        return (layer in this._layers || this.getLayerId(layer) in this._layers);
},

clearLayers: function () {
        this.eachLayer(this.removeLayer, this);
        return this;
},

invoke: function (methodName) {
        var args = Array.prototype.slice.call(arguments, 1),
            i, layer;

        for (i in this._layers) {
                layer = this._layers[i];

                if (layer[methodName]) {
                        layer[methodName].apply(layer, args);
                }
        }

        return this;
},

onAdd: function (map) {
        this._map = map;
        this.eachLayer(map.addLayer, map);
},

onRemove: function (map) {
        this.eachLayer(map.removeLayer, map);
        this._map = null;
},

addTo: function (map) {
        map.addLayer(this);
        return this;
},

eachLayer: function (method, context) {
        for (var i in this._layers) {
                method.call(context, this._layers[i]);
        }
        return this;
},

getLayer: function (id) {
        return this._layers[id];
},

getLayers: function () {
        var layers = [];

        for (var i in this._layers) {
                layers.push(this._layers[i]);
        }
        return layers;
},

setZIndex: function (zIndex) {
        return this.invoke('setZIndex', zIndex);
},

getLayerId: function (layer) {
        return L.stamp(layer);
}

});

L.layerGroup = function (layers) {

return new L.LayerGroup(layers);

};

/*

* L.FeatureGroup extends L.LayerGroup by introducing mouse events and additional methods
* shared between a group of interactive layers (like vectors or markers).
*/

L.FeatureGroup = L.LayerGroup.extend({

includes: L.Mixin.Events,

statics: {
        EVENTS: 'click dblclick mouseover mouseout mousemove contextmenu'
},

addLayer: function (layer) {
        if (this.hasLayer(layer)) {
                return this;
        }

        layer.on(L.FeatureGroup.EVENTS, this._propagateEvent, this);

        L.LayerGroup.prototype.addLayer.call(this, layer);

        if (this._popupContent && layer.bindPopup) {
                layer.bindPopup(this._popupContent, this._popupOptions);
        }

        return this.fire('layeradd', {layer: layer});
},

removeLayer: function (layer) {
        if (layer in this._layers) {
                layer = this._layers[layer];
        }

        layer.off(L.FeatureGroup.EVENTS, this._propagateEvent, this);

        L.LayerGroup.prototype.removeLayer.call(this, layer);

        if (this._popupContent) {
                this.invoke('unbindPopup');
        }

        return this.fire('layerremove', {layer: layer});
},

bindPopup: function (content, options) {
        this._popupContent = content;
        this._popupOptions = options;
        return this.invoke('bindPopup', content, options);
},

setStyle: function (style) {
        return this.invoke('setStyle', style);
},

bringToFront: function () {
        return this.invoke('bringToFront');
},

bringToBack: function () {
        return this.invoke('bringToBack');
},

getBounds: function () {
        var bounds = new L.LatLngBounds();

        this.eachLayer(function (layer) {
                bounds.extend(layer instanceof L.Marker ? layer.getLatLng() : layer.getBounds());
        });

        return bounds;
},

_propagateEvent: function (e) {
        if (!e.layer) {
                e.layer = e.target;
        }
        e.target = this;

        this.fire(e.type, e);
}

});

L.featureGroup = function (layers) {

return new L.FeatureGroup(layers);

};

/*

* L.Path is a base class for rendering vector paths on a map. Inherited by Polyline, Circle, etc.
*/

L.Path = L.Class.extend({

includes: [L.Mixin.Events],

statics: {
        // how much to extend the clip area around the map view
        // (relative to its size, e.g. 0.5 is half the screen in each direction)
        // set it so that SVG element doesn't exceed 1280px (vectors flicker on dragend if it is)
        CLIP_PADDING: L.Browser.mobile ?
                Math.max(0, Math.min(0.5,
                        (1280 / Math.max(window.innerWidth, window.innerHeight) - 1) / 2)) : 0.5
},

options: {
        stroke: true,
        color: '#0033ff',
        dashArray: null,
        weight: 5,
        opacity: 0.5,

        fill: false,
        fillColor: null, //same as color by default
        fillOpacity: 0.2,

        clickable: true
},

initialize: function (options) {
        L.setOptions(this, options);
},

onAdd: function (map) {
        this._map = map;

        if (!this._container) {
                this._initElements();
                this._initEvents();
        }

        this.projectLatlngs();
        this._updatePath();

        if (this._container) {
                this._map._pathRoot.appendChild(this._container);
        }

        this.fire('add');

        map.on({
                'viewreset': this.projectLatlngs,
                'moveend': this._updatePath
        }, this);
},

addTo: function (map) {
        map.addLayer(this);
        return this;
},

onRemove: function (map) {
        map._pathRoot.removeChild(this._container);

        // Need to fire remove event before we set _map to null as the event hooks might need the object
        this.fire('remove');
        this._map = null;

        if (L.Browser.vml) {
                this._container = null;
                this._stroke = null;
                this._fill = null;
        }

        map.off({
                'viewreset': this.projectLatlngs,
                'moveend': this._updatePath
        }, this);
},

projectLatlngs: function () {
        // do all projection stuff here
},

setStyle: function (style) {
        L.setOptions(this, style);

        if (this._container) {
                this._updateStyle();
        }

        return this;
},

redraw: function () {
        if (this._map) {
                this.projectLatlngs();
                this._updatePath();
        }
        return this;
}

});

L.Map.include({

_updatePathViewport: function () {
        var p = L.Path.CLIP_PADDING,
            size = this.getSize(),
            panePos = L.DomUtil.getPosition(this._mapPane),
            min = panePos.multiplyBy(-1)._subtract(size.multiplyBy(p)._round()),
            max = min.add(size.multiplyBy(1 + p * 2)._round());

        this._pathViewport = new L.Bounds(min, max);
}

});

/*

* Extends L.Path with SVG-specific rendering code.
*/

L.Path.SVG_NS = 'www.w3.org/2000/svg';

L.Browser.svg = !!(document.createElementNS && document.createElementNS(L.Path.SVG_NS, 'svg').createSVGRect);

L.Path = L.Path.extend({

statics: {
        SVG: L.Browser.svg
},

bringToFront: function () {
        var root = this._map._pathRoot,
            path = this._container;

        if (path && root.lastChild !== path) {
                root.appendChild(path);
        }
        return this;
},

bringToBack: function () {
        var root = this._map._pathRoot,
            path = this._container,
            first = root.firstChild;

        if (path && first !== path) {
                root.insertBefore(path, first);
        }
        return this;
},

getPathString: function () {
        // form path string here
},

_createElement: function (name) {
        return document.createElementNS(L.Path.SVG_NS, name);
},

_initElements: function () {
        this._map._initPathRoot();
        this._initPath();
        this._initStyle();
},

_initPath: function () {
        this._container = this._createElement('g');

        this._path = this._createElement('path');
        this._container.appendChild(this._path);
},

_initStyle: function () {
        if (this.options.stroke) {
                this._path.setAttribute('stroke-linejoin', 'round');
                this._path.setAttribute('stroke-linecap', 'round');
        }
        if (this.options.fill) {
                this._path.setAttribute('fill-rule', 'evenodd');
        }
        if (this.options.pointerEvents) {
                this._path.setAttribute('pointer-events', this.options.pointerEvents);
        }
        if (!this.options.clickable && !this.options.pointerEvents) {
                this._path.setAttribute('pointer-events', 'none');
        }
        this._updateStyle();
},

_updateStyle: function () {
        if (this.options.stroke) {
                this._path.setAttribute('stroke', this.options.color);
                this._path.setAttribute('stroke-opacity', this.options.opacity);
                this._path.setAttribute('stroke-width', this.options.weight);
                if (this.options.dashArray) {
                        this._path.setAttribute('stroke-dasharray', this.options.dashArray);
                } else {
                        this._path.removeAttribute('stroke-dasharray');
                }
        } else {
                this._path.setAttribute('stroke', 'none');
        }
        if (this.options.fill) {
                this._path.setAttribute('fill', this.options.fillColor || this.options.color);
                this._path.setAttribute('fill-opacity', this.options.fillOpacity);
        } else {
                this._path.setAttribute('fill', 'none');
        }
},

_updatePath: function () {
        var str = this.getPathString();
        if (!str) {
                // fix webkit empty string parsing bug
                str = 'M0 0';
        }
        this._path.setAttribute('d', str);
},

// TODO remove duplication with L.Map
_initEvents: function () {
        if (this.options.clickable) {
                if (L.Browser.svg || !L.Browser.vml) {
                        this._path.setAttribute('class', 'leaflet-clickable');
                }

                L.DomEvent.on(this._container, 'click', this._onMouseClick, this);

                var events = ['dblclick', 'mousedown', 'mouseover',
                              'mouseout', 'mousemove', 'contextmenu'];
                for (var i = 0; i < events.length; i++) {
                        L.DomEvent.on(this._container, events[i], this._fireMouseEvent, this);
                }
        }
},

_onMouseClick: function (e) {
        if (this._map.dragging && this._map.dragging.moved()) { return; }

        this._fireMouseEvent(e);
},

_fireMouseEvent: function (e) {
        if (!this.hasEventListeners(e.type)) { return; }

        var map = this._map,
            containerPoint = map.mouseEventToContainerPoint(e),
            layerPoint = map.containerPointToLayerPoint(containerPoint),
            latlng = map.layerPointToLatLng(layerPoint);

        this.fire(e.type, {
                latlng: latlng,
                layerPoint: layerPoint,
                containerPoint: containerPoint,
                originalEvent: e
        });

        if (e.type === 'contextmenu') {
                L.DomEvent.preventDefault(e);
        }
        if (e.type !== 'mousemove') {
                L.DomEvent.stopPropagation(e);
        }
}

});

L.Map.include({

_initPathRoot: function () {
        if (!this._pathRoot) {
                this._pathRoot = L.Path.prototype._createElement('svg');
                this._panes.overlayPane.appendChild(this._pathRoot);

                if (this.options.zoomAnimation && L.Browser.any3d) {
                        this._pathRoot.setAttribute('class', ' leaflet-zoom-animated');

                        this.on({
                                'zoomanim': this._animatePathZoom,
                                'zoomend': this._endPathZoom
                        });
                } else {
                        this._pathRoot.setAttribute('class', ' leaflet-zoom-hide');
                }

                this.on('moveend', this._updateSvgViewport);
                this._updateSvgViewport();
        }
},

_animatePathZoom: function (e) {
        var scale = this.getZoomScale(e.zoom),
            offset = this._getCenterOffset(e.center)._multiplyBy(-scale)._add(this._pathViewport.min);

        this._pathRoot.style[L.DomUtil.TRANSFORM] =
                L.DomUtil.getTranslateString(offset) + ' scale(' + scale + ') ';

        this._pathZooming = true;
},

_endPathZoom: function () {
        this._pathZooming = false;
},

_updateSvgViewport: function () {

        if (this._pathZooming) {
                // Do not update SVGs while a zoom animation is going on otherwise the animation will break.
                // When the zoom animation ends we will be updated again anyway
                // This fixes the case where you do a momentum move and zoom while the move is still ongoing.
                return;
        }

        this._updatePathViewport();

        var vp = this._pathViewport,
            min = vp.min,
            max = vp.max,
            width = max.x - min.x,
            height = max.y - min.y,
            root = this._pathRoot,
            pane = this._panes.overlayPane;

        // Hack to make flicker on drag end on mobile webkit less irritating
        if (L.Browser.mobileWebkit) {
                pane.removeChild(root);
        }

        L.DomUtil.setPosition(root, min);
        root.setAttribute('width', width);
        root.setAttribute('height', height);
        root.setAttribute('viewBox', [min.x, min.y, width, height].join(' '));

        if (L.Browser.mobileWebkit) {
                pane.appendChild(root);
        }
}

});

/*

* Popup extension to L.Path (polylines, polygons, circles), adding popup-related methods.
*/

L.Path.include({

bindPopup: function (content, options) {

        if (content instanceof L.Popup) {
                this._popup = content;
        } else {
                if (!this._popup || options) {
                        this._popup = new L.Popup(options, this);
                }
                this._popup.setContent(content);
        }

        if (!this._popupHandlersAdded) {
                this
                    .on('click', this._openPopup, this)
                    .on('remove', this.closePopup, this);

                this._popupHandlersAdded = true;
        }

        return this;
},

unbindPopup: function () {
        if (this._popup) {
                this._popup = null;
                this
                    .off('click', this._openPopup)
                    .off('remove', this.closePopup);

                this._popupHandlersAdded = false;
        }
        return this;
},

openPopup: function (latlng) {

        if (this._popup) {
                // open the popup from one of the path's points if not specified
                latlng = latlng || this._latlng ||
                         this._latlngs[Math.floor(this._latlngs.length / 2)];

                this._openPopup({latlng: latlng});
        }

        return this;
},

closePopup: function () {
        if (this._popup) {
                this._popup._close();
        }
        return this;
},

_openPopup: function (e) {
        this._popup.setLatLng(e.latlng);
        this._map.openPopup(this._popup);
}

});

/*

* Vector rendering for IE6-8 through VML.
* Thanks to Dmitry Baranovsky and his Raphael library for inspiration!
*/

L.Browser.vml = !L.Browser.svg && (function () {

try {
        var div = document.createElement('div');
        div.innerHTML = '<v:shape adj="1"/>';

        var shape = div.firstChild;
        shape.style.behavior = 'url(#default#VML)';

        return shape && (typeof shape.adj === 'object');

} catch (e) {
        return false;
}

}());

L.Path = L.Browser.svg || !L.Browser.vml ? L.Path : L.Path.extend({

statics: {
        VML: true,
        CLIP_PADDING: 0.02
},

_createElement: (function () {
        try {
                document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml');
                return function (name) {
                        return document.createElement('<lvml:' + name + ' class="lvml">');
                };
        } catch (e) {
                return function (name) {
                        return document.createElement(
                                '<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">');
                };
        }
}()),

_initPath: function () {
        var container = this._container = this._createElement('shape');
        L.DomUtil.addClass(container, 'leaflet-vml-shape');
        if (this.options.clickable) {
                L.DomUtil.addClass(container, 'leaflet-clickable');
        }
        container.coordsize = '1 1';

        this._path = this._createElement('path');
        container.appendChild(this._path);

        this._map._pathRoot.appendChild(container);
},

_initStyle: function () {
        this._updateStyle();
},

_updateStyle: function () {
        var stroke = this._stroke,
            fill = this._fill,
            options = this.options,
            container = this._container;

        container.stroked = options.stroke;
        container.filled = options.fill;

        if (options.stroke) {
                if (!stroke) {
                        stroke = this._stroke = this._createElement('stroke');
                        stroke.endcap = 'round';
                        container.appendChild(stroke);
                }
                stroke.weight = options.weight + 'px';
                stroke.color = options.color;
                stroke.opacity = options.opacity;

                if (options.dashArray) {
                        stroke.dashStyle = options.dashArray instanceof Array ?
                            options.dashArray.join(' ') :
                            options.dashArray.replace(/( *, *)/g, ' ');
                } else {
                        stroke.dashStyle = '';
                }

        } else if (stroke) {
                container.removeChild(stroke);
                this._stroke = null;
        }

        if (options.fill) {
                if (!fill) {
                        fill = this._fill = this._createElement('fill');
                        container.appendChild(fill);
                }
                fill.color = options.fillColor || options.color;
                fill.opacity = options.fillOpacity;

        } else if (fill) {
                container.removeChild(fill);
                this._fill = null;
        }
},

_updatePath: function () {
        var style = this._container.style;

        style.display = 'none';
        this._path.v = this.getPathString() + ' '; // the space fixes IE empty path string bug
        style.display = '';
}

});

L.Map.include(L.Browser.svg || !L.Browser.vml ? {} : {

_initPathRoot: function () {
        if (this._pathRoot) { return; }

        var root = this._pathRoot = document.createElement('div');
        root.className = 'leaflet-vml-container';
        this._panes.overlayPane.appendChild(root);

        this.on('moveend', this._updatePathViewport);
        this._updatePathViewport();
}

});

/*

* Vector rendering for all browsers that support canvas.
*/

L.Browser.canvas = (function () {

return !!document.createElement('canvas').getContext;

}());

L.Path = (L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? L.Path : L.Path.extend({

statics: {
        //CLIP_PADDING: 0.02, // not sure if there's a need to set it to a small value
        CANVAS: true,
        SVG: false
},

redraw: function () {
        if (this._map) {
                this.projectLatlngs();
                this._requestUpdate();
        }
        return this;
},

setStyle: function (style) {
        L.setOptions(this, style);

        if (this._map) {
                this._updateStyle();
                this._requestUpdate();
        }
        return this;
},

onRemove: function (map) {
        map
            .off('viewreset', this.projectLatlngs, this)
            .off('moveend', this._updatePath, this);

        if (this.options.clickable) {
                this._map.off('click', this._onClick, this);
                this._map.off('mousemove', this._onMouseMove, this);
        }

        this._requestUpdate();

        this._map = null;
},

_requestUpdate: function () {
        if (this._map && !L.Path._updateRequest) {
                L.Path._updateRequest = L.Util.requestAnimFrame(this._fireMapMoveEnd, this._map);
        }
},

_fireMapMoveEnd: function () {
        L.Path._updateRequest = null;
        this.fire('moveend');
},

_initElements: function () {
        this._map._initPathRoot();
        this._ctx = this._map._canvasCtx;
},

_updateStyle: function () {
        var options = this.options;

        if (options.stroke) {
                this._ctx.lineWidth = options.weight;
                this._ctx.strokeStyle = options.color;
        }
        if (options.fill) {
                this._ctx.fillStyle = options.fillColor || options.color;
        }
},

_drawPath: function () {
        var i, j, len, len2, point, drawMethod;

        this._ctx.beginPath();

        for (i = 0, len = this._parts.length; i < len; i++) {
                for (j = 0, len2 = this._parts[i].length; j < len2; j++) {
                        point = this._parts[i][j];
                        drawMethod = (j === 0 ? 'move' : 'line') + 'To';

                        this._ctx[drawMethod](point.x, point.y);
                }
                // TODO refactor ugly hack
                if (this instanceof L.Polygon) {
                        this._ctx.closePath();
                }
        }
},

_checkIfEmpty: function () {
        return !this._parts.length;
},

_updatePath: function () {
        if (this._checkIfEmpty()) { return; }

        var ctx = this._ctx,
            options = this.options;

        this._drawPath();
        ctx.save();
        this._updateStyle();

        if (options.fill) {
                ctx.globalAlpha = options.fillOpacity;
                ctx.fill();
        }

        if (options.stroke) {
                ctx.globalAlpha = options.opacity;
                ctx.stroke();
        }

        ctx.restore();

        // TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature
},

_initEvents: function () {
        if (this.options.clickable) {
                // TODO dblclick
                this._map.on('mousemove', this._onMouseMove, this);
                this._map.on('click', this._onClick, this);
        }
},

_onClick: function (e) {
        if (this._containsPoint(e.layerPoint)) {
                this.fire('click', e);
        }
},

_onMouseMove: function (e) {
        if (!this._map || this._map._animatingZoom) { return; }

        // TODO don't do on each move
        if (this._containsPoint(e.layerPoint)) {
                this._ctx.canvas.style.cursor = 'pointer';
                this._mouseInside = true;
                this.fire('mouseover', e);

        } else if (this._mouseInside) {
                this._ctx.canvas.style.cursor = '';
                this._mouseInside = false;
                this.fire('mouseout', e);
        }
}

});

L.Map.include((L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? {} : {

_initPathRoot: function () {
        var root = this._pathRoot,
            ctx;

        if (!root) {
                root = this._pathRoot = document.createElement('canvas');
                root.style.position = 'absolute';
                ctx = this._canvasCtx = root.getContext('2d');

                ctx.lineCap = 'round';
                ctx.lineJoin = 'round';

                this._panes.overlayPane.appendChild(root);

                if (this.options.zoomAnimation) {
                        this._pathRoot.className = 'leaflet-zoom-animated';
                        this.on('zoomanim', this._animatePathZoom);
                        this.on('zoomend', this._endPathZoom);
                }
                this.on('moveend', this._updateCanvasViewport);
                this._updateCanvasViewport();
        }
},

_updateCanvasViewport: function () {
        // don't redraw while zooming. See _updateSvgViewport for more details
        if (this._pathZooming) { return; }
        this._updatePathViewport();

        var vp = this._pathViewport,
            min = vp.min,
            size = vp.max.subtract(min),
            root = this._pathRoot;

        //TODO check if this works properly on mobile webkit
        L.DomUtil.setPosition(root, min);
        root.width = size.x;
        root.height = size.y;
        root.getContext('2d').translate(-min.x, -min.y);
}

});

/*

* L.LineUtil contains different utility functions for line segments
* and polylines (clipping, simplification, distances, etc.)
*/

/*jshint bitwise:false */ // allow bitwise oprations for this file

L.LineUtil = {

// Simplify polyline with vertex reduction and Douglas-Peucker simplification.
// Improves rendering performance dramatically by lessening the number of points to draw.

simplify: function (/*Point[]*/ points, /*Number*/ tolerance) {
        if (!tolerance || !points.length) {
                return points.slice();
        }

        var sqTolerance = tolerance * tolerance;

        // stage 1: vertex reduction
        points = this._reducePoints(points, sqTolerance);

        // stage 2: Douglas-Peucker simplification
        points = this._simplifyDP(points, sqTolerance);

        return points;
},

// distance from a point to a segment between two points
pointToSegmentDistance:  function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) {
        return Math.sqrt(this._sqClosestPointOnSegment(p, p1, p2, true));
},

closestPointOnSegment: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) {
        return this._sqClosestPointOnSegment(p, p1, p2);
},

// Douglas-Peucker simplification, see http://en.wikipedia.org/wiki/Douglas-Peucker_algorithm
_simplifyDP: function (points, sqTolerance) {

        var len = points.length,
            ArrayConstructor = typeof Uint8Array !== undefined + '' ? Uint8Array : Array,
            markers = new ArrayConstructor(len);

        markers[0] = markers[len - 1] = 1;

        this._simplifyDPStep(points, markers, sqTolerance, 0, len - 1);

        var i,
            newPoints = [];

        for (i = 0; i < len; i++) {
                if (markers[i]) {
                        newPoints.push(points[i]);
                }
        }

        return newPoints;
},

_simplifyDPStep: function (points, markers, sqTolerance, first, last) {

        var maxSqDist = 0,
            index, i, sqDist;

        for (i = first + 1; i <= last - 1; i++) {
                sqDist = this._sqClosestPointOnSegment(points[i], points[first], points[last], true);

                if (sqDist > maxSqDist) {
                        index = i;
                        maxSqDist = sqDist;
                }
        }

        if (maxSqDist > sqTolerance) {
                markers[index] = 1;

                this._simplifyDPStep(points, markers, sqTolerance, first, index);
                this._simplifyDPStep(points, markers, sqTolerance, index, last);
        }
},

// reduce points that are too close to each other to a single point
_reducePoints: function (points, sqTolerance) {
        var reducedPoints = [points[0]];

        for (var i = 1, prev = 0, len = points.length; i < len; i++) {
                if (this._sqDist(points[i], points[prev]) > sqTolerance) {
                        reducedPoints.push(points[i]);
                        prev = i;
                }
        }
        if (prev < len - 1) {
                reducedPoints.push(points[len - 1]);
        }
        return reducedPoints;
},

// Cohen-Sutherland line clipping algorithm.
// Used to avoid rendering parts of a polyline that are not currently visible.

clipSegment: function (a, b, bounds, useLastCode) {
        var codeA = useLastCode ? this._lastCode : this._getBitCode(a, bounds),
            codeB = this._getBitCode(b, bounds),

            codeOut, p, newCode;

        // save 2nd code to avoid calculating it on the next segment
        this._lastCode = codeB;

        while (true) {
                // if a,b is inside the clip window (trivial accept)
                if (!(codeA | codeB)) {
                        return [a, b];
                // if a,b is outside the clip window (trivial reject)
                } else if (codeA & codeB) {
                        return false;
                // other cases
                } else {
                        codeOut = codeA || codeB;
                        p = this._getEdgeIntersection(a, b, codeOut, bounds);
                        newCode = this._getBitCode(p, bounds);

                        if (codeOut === codeA) {
                                a = p;
                                codeA = newCode;
                        } else {
                                b = p;
                                codeB = newCode;
                        }
                }
        }
},

_getEdgeIntersection: function (a, b, code, bounds) {
        var dx = b.x - a.x,
            dy = b.y - a.y,
            min = bounds.min,
            max = bounds.max;

        if (code & 8) { // top
                return new L.Point(a.x + dx * (max.y - a.y) / dy, max.y);
        } else if (code & 4) { // bottom
                return new L.Point(a.x + dx * (min.y - a.y) / dy, min.y);
        } else if (code & 2) { // right
                return new L.Point(max.x, a.y + dy * (max.x - a.x) / dx);
        } else if (code & 1) { // left
                return new L.Point(min.x, a.y + dy * (min.x - a.x) / dx);
        }
},

_getBitCode: function (/*Point*/ p, bounds) {
        var code = 0;

        if (p.x < bounds.min.x) { // left
                code |= 1;
        } else if (p.x > bounds.max.x) { // right
                code |= 2;
        }
        if (p.y < bounds.min.y) { // bottom
                code |= 4;
        } else if (p.y > bounds.max.y) { // top
                code |= 8;
        }

        return code;
},

// square distance (to avoid unnecessary Math.sqrt calls)
_sqDist: function (p1, p2) {
        var dx = p2.x - p1.x,
            dy = p2.y - p1.y;
        return dx * dx + dy * dy;
},

// return closest point on segment or distance to that point
_sqClosestPointOnSegment: function (p, p1, p2, sqDist) {
        var x = p1.x,
            y = p1.y,
            dx = p2.x - x,
            dy = p2.y - y,
            dot = dx * dx + dy * dy,
            t;

        if (dot > 0) {
                t = ((p.x - x) * dx + (p.y - y) * dy) / dot;

                if (t > 1) {
                        x = p2.x;
                        y = p2.y;
                } else if (t > 0) {
                        x += dx * t;
                        y += dy * t;
                }
        }

        dx = p.x - x;
        dy = p.y - y;

        return sqDist ? dx * dx + dy * dy : new L.Point(x, y);
}

};

/*

* L.Polyline is used to display polylines on a map.
*/

L.Polyline = L.Path.extend({

initialize: function (latlngs, options) {
        L.Path.prototype.initialize.call(this, options);

        this._latlngs = this._convertLatLngs(latlngs);
},

options: {
        // how much to simplify the polyline on each zoom level
        // more = better performance and smoother look, less = more accurate
        smoothFactor: 1.0,
        noClip: false
},

projectLatlngs: function () {
        this._originalPoints = [];

        for (var i = 0, len = this._latlngs.length; i < len; i++) {
                this._originalPoints[i] = this._map.latLngToLayerPoint(this._latlngs[i]);
        }
},

getPathString: function () {
        for (var i = 0, len = this._parts.length, str = ''; i < len; i++) {
                str += this._getPathPartStr(this._parts[i]);
        }
        return str;
},

getLatLngs: function () {
        return this._latlngs;
},

setLatLngs: function (latlngs) {
        this._latlngs = this._convertLatLngs(latlngs);
        return this.redraw();
},

addLatLng: function (latlng) {
        this._latlngs.push(L.latLng(latlng));
        return this.redraw();
},

spliceLatLngs: function () { // (Number index, Number howMany)
        var removed = [].splice.apply(this._latlngs, arguments);
        this._convertLatLngs(this._latlngs, true);
        this.redraw();
        return removed;
},

closestLayerPoint: function (p) {
        var minDistance = Infinity, parts = this._parts, p1, p2, minPoint = null;

        for (var j = 0, jLen = parts.length; j < jLen; j++) {
                var points = parts[j];
                for (var i = 1, len = points.length; i < len; i++) {
                        p1 = points[i - 1];
                        p2 = points[i];
                        var sqDist = L.LineUtil._sqClosestPointOnSegment(p, p1, p2, true);
                        if (sqDist < minDistance) {
                                minDistance = sqDist;
                                minPoint = L.LineUtil._sqClosestPointOnSegment(p, p1, p2);
                        }
                }
        }
        if (minPoint) {
                minPoint.distance = Math.sqrt(minDistance);
        }
        return minPoint;
},

getBounds: function () {
        return new L.LatLngBounds(this.getLatLngs());
},

_convertLatLngs: function (latlngs, overwrite) {
        var i, len, target = overwrite ? latlngs : [];

        for (i = 0, len = latlngs.length; i < len; i++) {
                if (L.Util.isArray(latlngs[i]) && typeof latlngs[i][0] !== 'number') {
                        return;
                }
                target[i] = L.latLng(latlngs[i]);
        }
        return target;
},

_initEvents: function () {
        L.Path.prototype._initEvents.call(this);
},

_getPathPartStr: function (points) {
        var round = L.Path.VML;

        for (var j = 0, len2 = points.length, str = '', p; j < len2; j++) {
                p = points[j];
                if (round) {
                        p._round();
                }
                str += (j ? 'L' : 'M') + p.x + ' ' + p.y;
        }
        return str;
},

_clipPoints: function () {
        var points = this._originalPoints,
            len = points.length,
            i, k, segment;

        if (this.options.noClip) {
                this._parts = [points];
                return;
        }

        this._parts = [];

        var parts = this._parts,
            vp = this._map._pathViewport,
            lu = L.LineUtil;

        for (i = 0, k = 0; i < len - 1; i++) {
                segment = lu.clipSegment(points[i], points[i + 1], vp, i);
                if (!segment) {
                        continue;
                }

                parts[k] = parts[k] || [];
                parts[k].push(segment[0]);

                // if segment goes out of screen, or it's the last one, it's the end of the line part
                if ((segment[1] !== points[i + 1]) || (i === len - 2)) {
                        parts[k].push(segment[1]);
                        k++;
                }
        }
},

// simplify each clipped part of the polyline
_simplifyPoints: function () {
        var parts = this._parts,
            lu = L.LineUtil;

        for (var i = 0, len = parts.length; i < len; i++) {
                parts[i] = lu.simplify(parts[i], this.options.smoothFactor);
        }
},

_updatePath: function () {
        if (!this._map) { return; }

        this._clipPoints();
        this._simplifyPoints();

        L.Path.prototype._updatePath.call(this);
}

});

L.polyline = function (latlngs, options) {

return new L.Polyline(latlngs, options);

};

/*

* L.PolyUtil contains utility functions for polygons (clipping, etc.).
*/

/*jshint bitwise:false */ // allow bitwise operations here

L.PolyUtil = {};

/*

* Sutherland-Hodgeman polygon clipping algorithm.
* Used to avoid rendering parts of a polygon that are not currently visible.
*/

L.PolyUtil.clipPolygon = function (points, bounds) {

var clippedPoints,
    edges = [1, 4, 2, 8],
    i, j, k,
    a, b,
    len, edge, p,
    lu = L.LineUtil;

for (i = 0, len = points.length; i < len; i++) {
        points[i]._code = lu._getBitCode(points[i], bounds);
}

// for each edge (left, bottom, right, top)
for (k = 0; k < 4; k++) {
        edge = edges[k];
        clippedPoints = [];

        for (i = 0, len = points.length, j = len - 1; i < len; j = i++) {
                a = points[i];
                b = points[j];

                // if a is inside the clip window
                if (!(a._code & edge)) {
                        // if b is outside the clip window (a->b goes out of screen)
                        if (b._code & edge) {
                                p = lu._getEdgeIntersection(b, a, edge, bounds);
                                p._code = lu._getBitCode(p, bounds);
                                clippedPoints.push(p);
                        }
                        clippedPoints.push(a);

                // else if b is inside the clip window (a->b enters the screen)
                } else if (!(b._code & edge)) {
                        p = lu._getEdgeIntersection(b, a, edge, bounds);
                        p._code = lu._getBitCode(p, bounds);
                        clippedPoints.push(p);
                }
        }
        points = clippedPoints;
}

return points;

};

/*

* L.Polygon is used to display polygons on a map.
*/

L.Polygon = L.Polyline.extend({

options: {
        fill: true
},

initialize: function (latlngs, options) {
        var i, len, hole;

        L.Polyline.prototype.initialize.call(this, latlngs, options);

        if (latlngs && L.Util.isArray(latlngs[0]) && (typeof latlngs[0][0] !== 'number')) {
                this._latlngs = this._convertLatLngs(latlngs[0]);
                this._holes = latlngs.slice(1);

                for (i = 0, len = this._holes.length; i < len; i++) {
                        hole = this._holes[i] = this._convertLatLngs(this._holes[i]);
                        if (hole[0].equals(hole[hole.length - 1])) {
                                hole.pop();
                        }
                }
        }

        // filter out last point if its equal to the first one
        latlngs = this._latlngs;

        if (latlngs.length >= 2 && latlngs[0].equals(latlngs[latlngs.length - 1])) {
                latlngs.pop();
        }
},

projectLatlngs: function () {
        L.Polyline.prototype.projectLatlngs.call(this);

        // project polygon holes points
        // TODO move this logic to Polyline to get rid of duplication
        this._holePoints = [];

        if (!this._holes) { return; }

        var i, j, len, len2;

        for (i = 0, len = this._holes.length; i < len; i++) {
                this._holePoints[i] = [];

                for (j = 0, len2 = this._holes[i].length; j < len2; j++) {
                        this._holePoints[i][j] = this._map.latLngToLayerPoint(this._holes[i][j]);
                }
        }
},

_clipPoints: function () {
        var points = this._originalPoints,
            newParts = [];

        this._parts = [points].concat(this._holePoints);

        if (this.options.noClip) { return; }

        for (var i = 0, len = this._parts.length; i < len; i++) {
                var clipped = L.PolyUtil.clipPolygon(this._parts[i], this._map._pathViewport);
                if (clipped.length) {
                        newParts.push(clipped);
                }
        }

        this._parts = newParts;
},

_getPathPartStr: function (points) {
        var str = L.Polyline.prototype._getPathPartStr.call(this, points);
        return str + (L.Browser.svg ? 'z' : 'x');
}

});

L.polygon = function (latlngs, options) {

return new L.Polygon(latlngs, options);

};

/*

* Contains L.MultiPolyline and L.MultiPolygon layers.
*/

(function () {

function createMulti(Klass) {

        return L.FeatureGroup.extend({

                initialize: function (latlngs, options) {
                        this._layers = {};
                        this._options = options;
                        this.setLatLngs(latlngs);
                },

                setLatLngs: function (latlngs) {
                        var i = 0,
                            len = latlngs.length;

                        this.eachLayer(function (layer) {
                                if (i < len) {
                                        layer.setLatLngs(latlngs[i++]);
                                } else {
                                        this.removeLayer(layer);
                                }
                        }, this);

                        while (i < len) {
                                this.addLayer(new Klass(latlngs[i++], this._options));
                        }

                        return this;
                }
        });
}

L.MultiPolyline = createMulti(L.Polyline);
L.MultiPolygon = createMulti(L.Polygon);

L.multiPolyline = function (latlngs, options) {
        return new L.MultiPolyline(latlngs, options);
};

L.multiPolygon = function (latlngs, options) {
        return new L.MultiPolygon(latlngs, options);
};

}());

/*

* L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds object.
*/

L.Rectangle = L.Polygon.extend({

initialize: function (latLngBounds, options) {
        L.Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options);
},

setBounds: function (latLngBounds) {
        this.setLatLngs(this._boundsToLatLngs(latLngBounds));
},

_boundsToLatLngs: function (latLngBounds) {
        latLngBounds = L.latLngBounds(latLngBounds);
        return [
                latLngBounds.getSouthWest(),
                latLngBounds.getNorthWest(),
                latLngBounds.getNorthEast(),
                latLngBounds.getSouthEast()
        ];
}

});

L.rectangle = function (latLngBounds, options) {

return new L.Rectangle(latLngBounds, options);

};

/*

* L.Circle is a circle overlay (with a certain radius in meters).
*/

L.Circle = L.Path.extend({

initialize: function (latlng, radius, options) {
        L.Path.prototype.initialize.call(this, options);

        this._latlng = L.latLng(latlng);
        this._mRadius = radius;
},

options: {
        fill: true
},

setLatLng: function (latlng) {
        this._latlng = L.latLng(latlng);
        return this.redraw();
},

setRadius: function (radius) {
        this._mRadius = radius;
        return this.redraw();
},

projectLatlngs: function () {
        var lngRadius = this._getLngRadius(),
            latlng = this._latlng,
            pointLeft = this._map.latLngToLayerPoint([latlng.lat, latlng.lng - lngRadius]);

        this._point = this._map.latLngToLayerPoint(latlng);
        this._radius = Math.max(this._point.x - pointLeft.x, 1);
},

getBounds: function () {
        var lngRadius = this._getLngRadius(),
            latRadius = (this._mRadius / 40075017) * 360,
            latlng = this._latlng;

        return new L.LatLngBounds(
                [latlng.lat - latRadius, latlng.lng - lngRadius],
                [latlng.lat + latRadius, latlng.lng + lngRadius]);
},

getLatLng: function () {
        return this._latlng;
},

getPathString: function () {
        var p = this._point,
            r = this._radius;

        if (this._checkIfEmpty()) {
                return '';
        }

        if (L.Browser.svg) {
                return 'M' + p.x + ',' + (p.y - r) +
                       'A' + r + ',' + r + ',0,1,1,' +
                       (p.x - 0.1) + ',' + (p.y - r) + ' z';
        } else {
                p._round();
                r = Math.round(r);
                return 'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r + ' 0,' + (65535 * 360);
        }
},

getRadius: function () {
        return this._mRadius;
},

// TODO Earth hardcoded, move into projection code!

_getLatRadius: function () {
        return (this._mRadius / 40075017) * 360;
},

_getLngRadius: function () {
        return this._getLatRadius() / Math.cos(L.LatLng.DEG_TO_RAD * this._latlng.lat);
},

_checkIfEmpty: function () {
        if (!this._map) {
                return false;
        }
        var vp = this._map._pathViewport,
            r = this._radius,
            p = this._point;

        return p.x - r > vp.max.x || p.y - r > vp.max.y ||
               p.x + r < vp.min.x || p.y + r < vp.min.y;
}

});

L.circle = function (latlng, radius, options) {

return new L.Circle(latlng, radius, options);

};

/*

* L.CircleMarker is a circle overlay with a permanent pixel radius.
*/

L.CircleMarker = L.Circle.extend({

options: {
        radius: 10,
        weight: 2
},

initialize: function (latlng, options) {
        L.Circle.prototype.initialize.call(this, latlng, null, options);
        this._radius = this.options.radius;
},

projectLatlngs: function () {
        this._point = this._map.latLngToLayerPoint(this._latlng);
},

_updateStyle : function () {
        L.Circle.prototype._updateStyle.call(this);
        this.setRadius(this.options.radius);
},

setRadius: function (radius) {
        this.options.radius = this._radius = radius;
        return this.redraw();
}

});

L.circleMarker = function (latlng, options) {

return new L.CircleMarker(latlng, options);

};

/*

* Extends L.Polyline to be able to manually detect clicks on Canvas-rendered polylines.
*/

L.Polyline.include(!L.Path.CANVAS ? {} : {

_containsPoint: function (p, closed) {
        var i, j, k, len, len2, dist, part,
            w = this.options.weight / 2;

        if (L.Browser.touch) {
                w += 10; // polyline click tolerance on touch devices
        }

        for (i = 0, len = this._parts.length; i < len; i++) {
                part = this._parts[i];
                for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) {
                        if (!closed && (j === 0)) {
                                continue;
                        }

                        dist = L.LineUtil.pointToSegmentDistance(p, part[k], part[j]);

                        if (dist <= w) {
                                return true;
                        }
                }
        }
        return false;
}

});

/*

* Extends L.Polygon to be able to manually detect clicks on Canvas-rendered polygons.
*/

L.Polygon.include(!L.Path.CANVAS ? {} : {

_containsPoint: function (p) {
        var inside = false,
            part, p1, p2,
            i, j, k,
            len, len2;

        // TODO optimization: check if within bounds first

        if (L.Polyline.prototype._containsPoint.call(this, p, true)) {
                // click on polygon border
                return true;
        }

        // ray casting algorithm for detecting if point is in polygon

        for (i = 0, len = this._parts.length; i < len; i++) {
                part = this._parts[i];

                for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) {
                        p1 = part[j];
                        p2 = part[k];

                        if (((p1.y > p.y) !== (p2.y > p.y)) &&
                                        (p.x < (p2.x - p1.x) * (p.y - p1.y) / (p2.y - p1.y) + p1.x)) {
                                inside = !inside;
                        }
                }
        }

        return inside;
}

});

/*

* Extends L.Circle with Canvas-specific code.
*/

L.Circle.include(!L.Path.CANVAS ? {} : {

_drawPath: function () {
        var p = this._point;
        this._ctx.beginPath();
        this._ctx.arc(p.x, p.y, this._radius, 0, Math.PI * 2, false);
},

_containsPoint: function (p) {
        var center = this._point,
            w2 = this.options.stroke ? this.options.weight / 2 : 0;

        return (p.distanceTo(center) <= this._radius + w2);
}

});

/*

* CircleMarker canvas specific drawing parts.
*/

L.CircleMarker.include(!L.Path.CANVAS ? {} : {

_updateStyle: function () {
        L.Path.prototype._updateStyle.call(this);
}

});

/*

* L.GeoJSON turns any GeoJSON data into a Leaflet layer.
*/

L.GeoJSON = L.FeatureGroup.extend({

initialize: function (geojson, options) {
        L.setOptions(this, options);

        this._layers = {};

        if (geojson) {
                this.addData(geojson);
        }
},

addData: function (geojson) {
        var features = L.Util.isArray(geojson) ? geojson : geojson.features,
            i, len;

        if (features) {
                for (i = 0, len = features.length; i < len; i++) {
                        // Only add this if geometry or geometries are set and not null
                        if (features[i].geometries || features[i].geometry || features[i].features) {
                                this.addData(features[i]);
                        }
                }
                return this;
        }

        var options = this.options;

        if (options.filter && !options.filter(geojson)) { return; }

        var layer = L.GeoJSON.geometryToLayer(geojson, options.pointToLayer, options.coordsToLatLng);
        layer.feature = geojson;

        layer.defaultOptions = layer.options;
        this.resetStyle(layer);

        if (options.onEachFeature) {
                options.onEachFeature(geojson, layer);
        }

        return this.addLayer(layer);
},

resetStyle: function (layer) {
        var style = this.options.style;
        if (style) {
                // reset any custom styles
                L.Util.extend(layer.options, layer.defaultOptions);

                this._setLayerStyle(layer, style);
        }
},

setStyle: function (style) {
        this.eachLayer(function (layer) {
                this._setLayerStyle(layer, style);
        }, this);
},

_setLayerStyle: function (layer, style) {
        if (typeof style === 'function') {
                style = style(layer.feature);
        }
        if (layer.setStyle) {
                layer.setStyle(style);
        }
}

});

L.extend(L.GeoJSON, {

geometryToLayer: function (geojson, pointToLayer, coordsToLatLng) {
        var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson,
            coords = geometry.coordinates,
            layers = [],
            latlng, latlngs, i, len, layer;

        coordsToLatLng = coordsToLatLng || this.coordsToLatLng;

        switch (geometry.type) {
        case 'Point':
                latlng = coordsToLatLng(coords);
                return pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);

        case 'MultiPoint':
                for (i = 0, len = coords.length; i < len; i++) {
                        latlng = coordsToLatLng(coords[i]);
                        layer = pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);
                        layers.push(layer);
                }
                return new L.FeatureGroup(layers);

        case 'LineString':
                latlngs = this.coordsToLatLngs(coords, 0, coordsToLatLng);
                return new L.Polyline(latlngs);

        case 'Polygon':
                latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng);
                return new L.Polygon(latlngs);

        case 'MultiLineString':
                latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng);
                return new L.MultiPolyline(latlngs);

        case 'MultiPolygon':
                latlngs = this.coordsToLatLngs(coords, 2, coordsToLatLng);
                return new L.MultiPolygon(latlngs);

        case 'GeometryCollection':
                for (i = 0, len = geometry.geometries.length; i < len; i++) {

                        layer = this.geometryToLayer({
                                geometry: geometry.geometries[i],
                                type: 'Feature',
                                properties: geojson.properties
                        }, pointToLayer);

                        layers.push(layer);
                }
                return new L.FeatureGroup(layers);

        default:
                throw new Error('Invalid GeoJSON object.');
        }
},

coordsToLatLng: function (coords) { // (Array[, Boolean]) -> LatLng
        return new L.LatLng(coords[1], coords[0]);
},

coordsToLatLngs: function (coords, levelsDeep, coordsToLatLng) { // (Array[, Number, Function]) -> Array
        var latlng, i, len,
            latlngs = [];

        for (i = 0, len = coords.length; i < len; i++) {
                latlng = levelsDeep ?
                        this.coordsToLatLngs(coords[i], levelsDeep - 1, coordsToLatLng) :
                        (coordsToLatLng || this.coordsToLatLng)(coords[i]);

                latlngs.push(latlng);
        }

        return latlngs;
},

latLngToCoords: function (latLng) {
        return [latLng.lng, latLng.lat];
},

latLngsToCoords: function (latLngs) {
        var coords = [];

        for (var i = 0, len = latLngs.length; i < len; i++) {
                coords.push(L.GeoJSON.latLngToCoords(latLngs[i]));
        }

        return coords;
}

});

L.Marker.include({

toGeoJSON: function () {
        return {
                type: 'Point',
                coordinates: L.GeoJSON.latLngToCoords(this.getLatLng())
        };
}

});

L.Polyline.include({

toGeoJSON: function () {
        return {
                type: 'LineString',
                coordinates: L.GeoJSON.latLngsToCoords(this.getLatLngs())
        };
}

});

L.Polygon.include({

toGeoJSON: function () {
        var coords = [L.GeoJSON.latLngsToCoords(this.getLatLngs())],
            i, len, hole;

        coords[0].push(coords[0][0]);

        if (this._holes) {
                for (i = 0, len = this._holes.length; i < len; i++) {
                        hole = L.GeoJSON.latLngsToCoords(this._holes[i]);
                        hole.push(hole[0]);
                        coords.push(hole);
                }
        }

        return {
                type: 'Polygon',
                coordinates: coords
        };
}

});

(function () {

function includeMulti(Klass, type) {
        Klass.include({
                toGeoJSON: function () {
                        var coords = [];

                        this.eachLayer(function (layer) {
                                coords.push(layer.toGeoJSON().coordinates);
                        });

                        return {
                                type: type,
                                coordinates: coords
                        };
                }
        });
}

includeMulti(L.MultiPolyline, 'MultiLineString');
includeMulti(L.MultiPolygon, 'MultiPolygon');

}());

L.LayerGroup.include({

toGeoJSON: function () {
        var geoms = [];

        this.eachLayer(function (layer) {
                if (layer.toGeoJSON) {
                        geoms.push(layer.toGeoJSON());
                }
        });

        return {
                type: 'GeometryCollection',
                geometries: geoms
        };
}

});

L.geoJson = function (geojson, options) {

return new L.GeoJSON(geojson, options);

};

/*

* L.DomEvent contains functions for working with DOM events.
*/

L.DomEvent = {

/* inspired by John Resig, Dean Edwards and YUI addEvent implementations */
addListener: function (obj, type, fn, context) { // (HTMLElement, String, Function[, Object])

        var id = L.stamp(fn),
            key = '_leaflet_' + type + id,
            handler, originalHandler, newType;

        if (obj[key]) { return this; }

        handler = function (e) {
                return fn.call(context || obj, e || L.DomEvent._getEvent());
        };

        if (L.Browser.msTouch && type.indexOf('touch') === 0) {
                return this.addMsTouchListener(obj, type, handler, id);
        }
        if (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener) {
                this.addDoubleTapListener(obj, handler, id);
        }

        if ('addEventListener' in obj) {

                if (type === 'mousewheel') {
                        obj.addEventListener('DOMMouseScroll', handler, false);
                        obj.addEventListener(type, handler, false);

                } else if ((type === 'mouseenter') || (type === 'mouseleave')) {

                        originalHandler = handler;
                        newType = (type === 'mouseenter' ? 'mouseover' : 'mouseout');

                        handler = function (e) {
                                if (!L.DomEvent._checkMouse(obj, e)) { return; }
                                return originalHandler(e);
                        };

                        obj.addEventListener(newType, handler, false);

                } else if (type === 'click' && L.Browser.android) {
                        originalHandler = handler;
                        handler = function (e) {
                                return L.DomEvent._filterClick(e, originalHandler);
                        };

                        obj.addEventListener(type, handler, false);
                } else {
                        obj.addEventListener(type, handler, false);
                }

        } else if ('attachEvent' in obj) {
                obj.attachEvent('on' + type, handler);
        }

        obj[key] = handler;

        return this;
},

removeListener: function (obj, type, fn) {  // (HTMLElement, String, Function)

        var id = L.stamp(fn),
            key = '_leaflet_' + type + id,
            handler = obj[key];

        if (!handler) { return this; }

        if (L.Browser.msTouch && type.indexOf('touch') === 0) {
                this.removeMsTouchListener(obj, type, id);
        } else if (L.Browser.touch && (type === 'dblclick') && this.removeDoubleTapListener) {
                this.removeDoubleTapListener(obj, id);

        } else if ('removeEventListener' in obj) {

                if (type === 'mousewheel') {
                        obj.removeEventListener('DOMMouseScroll', handler, false);
                        obj.removeEventListener(type, handler, false);

                } else if ((type === 'mouseenter') || (type === 'mouseleave')) {
                        obj.removeEventListener((type === 'mouseenter' ? 'mouseover' : 'mouseout'), handler, false);
                } else {
                        obj.removeEventListener(type, handler, false);
                }
        } else if ('detachEvent' in obj) {
                obj.detachEvent('on' + type, handler);
        }

        obj[key] = null;

        return this;
},

stopPropagation: function (e) {

        if (e.stopPropagation) {
                e.stopPropagation();
        } else {
                e.cancelBubble = true;
        }
        return this;
},

disableClickPropagation: function (el) {

        var stop = L.DomEvent.stopPropagation;

        for (var i = L.Draggable.START.length - 1; i >= 0; i--) {
                L.DomEvent.addListener(el, L.Draggable.START[i], stop);
        }

        return L.DomEvent
                .addListener(el, 'click', stop)
                .addListener(el, 'dblclick', stop);
},

preventDefault: function (e) {

        if (e.preventDefault) {
                e.preventDefault();
        } else {
                e.returnValue = false;
        }
        return this;
},

stop: function (e) {
        return L.DomEvent.preventDefault(e).stopPropagation(e);
},

getMousePosition: function (e, container) {

        var body = document.body,
            docEl = document.documentElement,
            x = e.pageX ? e.pageX : e.clientX + body.scrollLeft + docEl.scrollLeft,
            y = e.pageY ? e.pageY : e.clientY + body.scrollTop + docEl.scrollTop,
            pos = new L.Point(x, y);

        return (container ? pos._subtract(L.DomUtil.getViewportOffset(container)) : pos);
},

getWheelDelta: function (e) {

        var delta = 0;

        if (e.wheelDelta) {
                delta = e.wheelDelta / 120;
        }
        if (e.detail) {
                delta = -e.detail / 3;
        }
        return delta;
},

// check if element really left/entered the event target (for mouseenter/mouseleave)
_checkMouse: function (el, e) {

        var related = e.relatedTarget;

        if (!related) { return true; }

        try {
                while (related && (related !== el)) {
                        related = related.parentNode;
                }
        } catch (err) {
                return false;
        }
        return (related !== el);
},

_getEvent: function () { // evil magic for IE
        /*jshint noarg:false */
        var e = window.event;
        if (!e) {
                var caller = arguments.callee.caller;
                while (caller) {
                        e = caller['arguments'][0];
                        if (e && window.Event === e.constructor) {
                                break;
                        }
                        caller = caller.caller;
                }
        }
        return e;
},

// this solves a bug in Android WebView where a single touch triggers two click events.
_filterClick: function (e, handler) {
        var timeStamp = (e.timeStamp || e.originalEvent.timeStamp);
        var elapsed = L.DomEvent._lastClick && (timeStamp - L.DomEvent._lastClick);

        // are they closer together than 400ms yet more than 100ms?
        // Android typically triggers them ~300ms apart while multiple listeners
        // on the same event should be triggered far faster.

        if (elapsed && elapsed > 100 && elapsed < 400) {
                L.DomEvent.stop(e);
                return;
        }
        L.DomEvent._lastClick = timeStamp;

        return handler(e);
}

};

L.DomEvent.on = L.DomEvent.addListener; L.DomEvent.off = L.DomEvent.removeListener;

/*

* L.Draggable allows you to add dragging capabilities to any element. Supports mobile devices too.
*/

L.Draggable = L.Class.extend({

includes: L.Mixin.Events,

statics: {
        START: L.Browser.touch ? ['touchstart', 'mousedown'] : ['mousedown'],
        END: {
                mousedown: 'mouseup',
                touchstart: 'touchend',
                MSPointerDown: 'touchend'
        },
        MOVE: {
                mousedown: 'mousemove',
                touchstart: 'touchmove',
                MSPointerDown: 'touchmove'
        },
        TAP_TOLERANCE: 15
},

initialize: function (element, dragStartTarget, longPress) {
        this._element = element;
        this._dragStartTarget = dragStartTarget || element;
        this._longPress = longPress && !L.Browser.msTouch;
},

enable: function () {
        if (this._enabled) { return; }

        for (var i = L.Draggable.START.length - 1; i >= 0; i--) {
                L.DomEvent.on(this._dragStartTarget, L.Draggable.START[i], this._onDown, this);
        }

        this._enabled = true;
},

disable: function () {
        if (!this._enabled) { return; }

        for (var i = L.Draggable.START.length - 1; i >= 0; i--) {
                L.DomEvent.off(this._dragStartTarget, L.Draggable.START[i], this._onDown, this);
        }

        this._enabled = false;
        this._moved = false;
},

_onDown: function (e) {
        if (e.shiftKey || ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; }

        L.DomEvent
            .preventDefault(e)
            .stopPropagation(e);

        if (L.Draggable._disabled) { return; }

        this._simulateClick = true;

        var touchesNum = (e.touches && e.touches.length) || 0;

        // don't simulate click or track longpress if more than 1 touch
        if (touchesNum > 1) {
                this._simulateClick = false;
                clearTimeout(this._longPressTimeout);
                return;
        }

        var first = touchesNum === 1 ? e.touches[0] : e,
            el = first.target;

        // if touching a link, highlight it
        if (L.Browser.touch && el.tagName.toLowerCase() === 'a') {
                L.DomUtil.addClass(el, 'leaflet-active');
        }

        this._moved = false;

        if (this._moving) { return; }

        this._startPoint = new L.Point(first.clientX, first.clientY);
        this._startPos = this._newPos = L.DomUtil.getPosition(this._element);

        // touch contextmenu event emulation
        if (touchesNum === 1 && L.Browser.touch && this._longPress) {

                this._longPressTimeout = setTimeout(L.bind(function () {
                        var dist = (this._newPos && this._newPos.distanceTo(this._startPos)) || 0;

                        if (dist < L.Draggable.TAP_TOLERANCE) {
                                this._simulateClick = false;
                                this._onUp();
                                this._simulateEvent('contextmenu', first);
                        }
                }, this), 1000);
        }

        L.DomEvent
            .on(document, L.Draggable.MOVE[e.type], this._onMove, this)
            .on(document, L.Draggable.END[e.type], this._onUp, this);
},

_onMove: function (e) {
        if (e.touches && e.touches.length > 1) { return; }

        var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),
            newPoint = new L.Point(first.clientX, first.clientY),
            offset = newPoint.subtract(this._startPoint);

        if (!offset.x && !offset.y) { return; }

        L.DomEvent.preventDefault(e);

        if (!this._moved) {
                this.fire('dragstart');

                this._moved = true;
                this._startPos = L.DomUtil.getPosition(this._element).subtract(offset);

                if (!L.Browser.touch) {
                        L.DomUtil.disableTextSelection();
                        L.DomUtil.addClass(document.body, 'leaflet-dragging');
                }
        }

        this._newPos = this._startPos.add(offset);
        this._moving = true;

        L.Util.cancelAnimFrame(this._animRequest);
        this._animRequest = L.Util.requestAnimFrame(this._updatePosition, this, true, this._dragStartTarget);
},

_updatePosition: function () {
        this.fire('predrag');
        L.DomUtil.setPosition(this._element, this._newPos);
        this.fire('drag');
},

_onUp: function (e) {
        var first, el, dist, simulateClickTouch, i;

        clearTimeout(this._longPressTimeout);

        if (this._simulateClick && e.changedTouches) {

                dist = (this._newPos && this._newPos.distanceTo(this._startPos)) || 0;
                first = e.changedTouches[0];
                el = first.target;

                if (el.tagName.toLowerCase() === 'a') {
                        L.DomUtil.removeClass(el, 'leaflet-active');
                }

                // simulate click if the touch didn't move too much
                if (dist < L.Draggable.TAP_TOLERANCE) {
                        simulateClickTouch = true;
                }
        }

        if (!L.Browser.touch) {
                L.DomUtil.enableTextSelection();
                L.DomUtil.removeClass(document.body, 'leaflet-dragging');
        }

        for (i in L.Draggable.MOVE) {
                L.DomEvent
                    .off(document, L.Draggable.MOVE[i], this._onMove)
                    .off(document, L.Draggable.END[i], this._onUp);
        }

        if (this._moved) {
                // ensure drag is not fired after dragend
                L.Util.cancelAnimFrame(this._animRequest);

                this.fire('dragend');
        }

        this._moving = false;

        if (simulateClickTouch) {
                this._moved = false;
                this._simulateEvent('click', first);
        }
},

_simulateEvent: function (type, e) {
        var simulatedEvent = document.createEvent('MouseEvents');

        simulatedEvent.initMouseEvent(
                type, true, true, window, 1,
                e.screenX, e.screenY,
                e.clientX, e.clientY,
                false, false, false, false, 0, null);

        e.target.dispatchEvent(simulatedEvent);
}

});

/*

L.Handler is a base class for handler classes that are used internally to inject
interaction features like dragging to classes like Map and Marker.

*/

L.Handler = L.Class.extend({

initialize: function (map) {
        this._map = map;
},

enable: function () {
        if (this._enabled) { return; }

        this._enabled = true;
        this.addHooks();
},

disable: function () {
        if (!this._enabled) { return; }

        this._enabled = false;
        this.removeHooks();
},

enabled: function () {
        return !!this._enabled;
}

});

/*

* L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default.
*/

L.Map.mergeOptions({

dragging: true,

inertia: !L.Browser.android23,
inertiaDeceleration: 3400, // px/s^2
inertiaMaxSpeed: Infinity, // px/s
inertiaThreshold: L.Browser.touch ? 32 : 18, // ms
easeLinearity: 0.25,

longPress: true,

// TODO refactor, move to CRS
worldCopyJump: false

});

L.Map.Drag = L.Handler.extend({

addHooks: function () {
        if (!this._draggable) {
                var map = this._map;

                this._draggable = new L.Draggable(map._mapPane, map._container, map.options.longPress);

                this._draggable.on({
                        'dragstart': this._onDragStart,
                        'drag': this._onDrag,
                        'dragend': this._onDragEnd
                }, this);

                if (map.options.worldCopyJump) {
                        this._draggable.on('predrag', this._onPreDrag, this);
                        map.on('viewreset', this._onViewReset, this);
                }
        }
        this._draggable.enable();
},

removeHooks: function () {
        this._draggable.disable();
},

moved: function () {
        return this._draggable && this._draggable._moved;
},

_onDragStart: function () {
        var map = this._map;

        if (map._panAnim) {
                map._panAnim.stop();
        }

        map
            .fire('movestart')
            .fire('dragstart');

        if (map.options.inertia) {
                this._positions = [];
                this._times = [];
        }
},

_onDrag: function () {
        if (this._map.options.inertia) {
                var time = this._lastTime = +new Date(),
                    pos = this._lastPos = this._draggable._newPos;

                this._positions.push(pos);
                this._times.push(time);

                if (time - this._times[0] > 200) {
                        this._positions.shift();
                        this._times.shift();
                }
        }

        this._map
            .fire('move')
            .fire('drag');
},

_onViewReset: function () {
        // TODO fix hardcoded Earth values
        var pxCenter = this._map.getSize()._divideBy(2),
            pxWorldCenter = this._map.latLngToLayerPoint([0, 0]);

        this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x;
        this._worldWidth = this._map.project([0, 180]).x;
},

_onPreDrag: function () {
        // TODO refactor to be able to adjust map pane position after zoom
        var worldWidth = this._worldWidth,
            halfWidth = Math.round(worldWidth / 2),
            dx = this._initialWorldOffset,
            x = this._draggable._newPos.x,
            newX1 = (x - halfWidth + dx) % worldWidth + halfWidth - dx,
            newX2 = (x + halfWidth + dx) % worldWidth - halfWidth - dx,
            newX = Math.abs(newX1 + dx) < Math.abs(newX2 + dx) ? newX1 : newX2;

        this._draggable._newPos.x = newX;
},

_onDragEnd: function () {
        var map = this._map,
            options = map.options,
            delay = +new Date() - this._lastTime,

            noInertia = !options.inertia || delay > options.inertiaThreshold || !this._positions[0];

        map.fire('dragend');

        if (noInertia) {
                map.fire('moveend');

        } else {

                var direction = this._lastPos.subtract(this._positions[0]),
                    duration = (this._lastTime + delay - this._times[0]) / 1000,
                    ease = options.easeLinearity,

                    speedVector = direction.multiplyBy(ease / duration),
                    speed = speedVector.distanceTo([0, 0]),

                    limitedSpeed = Math.min(options.inertiaMaxSpeed, speed),
                    limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed),

                    decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease),
                    offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round();

                if (!offset.x || !offset.y) {
                        map.fire('moveend');

                } else {
                        L.Util.requestAnimFrame(function () {
                                map.panBy(offset, {
                                        duration: decelerationDuration,
                                        easeLinearity: ease,
                                        noMoveStart: true
                                });
                        });
                }
        }
}

});

L.Map.addInitHook('addHandler', 'dragging', L.Map.Drag);

/*

* L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default.
*/

L.Map.mergeOptions({

doubleClickZoom: true

});

L.Map.DoubleClickZoom = L.Handler.extend({

addHooks: function () {
        this._map.on('dblclick', this._onDoubleClick);
},

removeHooks: function () {
        this._map.off('dblclick', this._onDoubleClick);
},

_onDoubleClick: function (e) {
        this.setZoomAround(e.containerPoint, this._zoom + 1);
}

});

L.Map.addInitHook('addHandler', 'doubleClickZoom', L.Map.DoubleClickZoom);

/*

* L.Handler.ScrollWheelZoom is used by L.Map to enable mouse scroll wheel zoom on the map.
*/

L.Map.mergeOptions({

scrollWheelZoom: true

});

L.Map.ScrollWheelZoom = L.Handler.extend({

addHooks: function () {
        L.DomEvent.on(this._map._container, 'mousewheel', this._onWheelScroll, this);
        this._delta = 0;
},

removeHooks: function () {
        L.DomEvent.off(this._map._container, 'mousewheel', this._onWheelScroll);
},

_onWheelScroll: function (e) {
        var delta = L.DomEvent.getWheelDelta(e);

        this._delta += delta;
        this._lastMousePos = this._map.mouseEventToContainerPoint(e);

        if (!this._startTime) {
                this._startTime = +new Date();
        }

        var left = Math.max(40 - (+new Date() - this._startTime), 0);

        clearTimeout(this._timer);
        this._timer = setTimeout(L.bind(this._performZoom, this), left);

        L.DomEvent.preventDefault(e);
        L.DomEvent.stopPropagation(e);
},

_performZoom: function () {
        var map = this._map,
            delta = this._delta,
            zoom = map.getZoom();

        delta = delta > 0 ? Math.ceil(delta) : Math.floor(delta);
        delta = Math.max(Math.min(delta, 4), -4);
        delta = map._limitZoom(zoom + delta) - zoom;

        this._delta = 0;
        this._startTime = null;

        if (!delta) { return; }

        map.setZoomAround(this._lastMousePos, zoom + delta);
}

});

L.Map.addInitHook('addHandler', 'scrollWheelZoom', L.Map.ScrollWheelZoom);

/*

* Extends the event handling code with double tap support for mobile browsers.
*/

L.extend(L.DomEvent, {

_touchstart: L.Browser.msTouch ? 'MSPointerDown' : 'touchstart',
_touchend: L.Browser.msTouch ? 'MSPointerUp' : 'touchend',

// inspired by Zepto touch code by Thomas Fuchs
addDoubleTapListener: function (obj, handler, id) {
        var last,
            doubleTap = false,
            delay = 250,
            touch,
            pre = '_leaflet_',
            touchstart = this._touchstart,
            touchend = this._touchend,
            trackedTouches = [];

        function onTouchStart(e) {
                var count;

                if (L.Browser.msTouch) {
                        trackedTouches.push(e.pointerId);
                        count = trackedTouches.length;
                } else {
                        count = e.touches.length;
                }
                if (count > 1) {
                        return;
                }

                var now = Date.now(),
                        delta = now - (last || now);

                touch = e.touches ? e.touches[0] : e;
                doubleTap = (delta > 0 && delta <= delay);
                last = now;
        }

        function onTouchEnd(e) {
                if (L.Browser.msTouch) {
                        var idx = trackedTouches.indexOf(e.pointerId);
                        if (idx === -1) {
                                return;
                        }
                        trackedTouches.splice(idx, 1);
                }

                if (doubleTap) {
                        if (L.Browser.msTouch) {
                                // work around .type being readonly with MSPointer* events
                                var newTouch = { },
                                        prop;

                                // jshint forin:false
                                for (var i in touch) {
                                        prop = touch[i];
                                        if (typeof prop === 'function') {
                                                newTouch[i] = prop.bind(touch);
                                        } else {
                                                newTouch[i] = prop;
                                        }
                                }
                                touch = newTouch;
                        }
                        touch.type = 'dblclick';
                        handler(touch);
                        last = null;
                }
        }
        obj[pre + touchstart + id] = onTouchStart;
        obj[pre + touchend + id] = onTouchEnd;

        // on msTouch we need to listen on the document, otherwise a drag starting on the map and moving off screen
        // will not come through to us, so we will lose track of how many touches are ongoing
        var endElement = L.Browser.msTouch ? document.documentElement : obj;

        obj.addEventListener(touchstart, onTouchStart, false);
        endElement.addEventListener(touchend, onTouchEnd, false);

        if (L.Browser.msTouch) {
                endElement.addEventListener('MSPointerCancel', onTouchEnd, false);
        }

        return this;
},

removeDoubleTapListener: function (obj, id) {
        var pre = '_leaflet_';

        obj.removeEventListener(this._touchstart, obj[pre + this._touchstart + id], false);
        (L.Browser.msTouch ? document.documentElement : obj).removeEventListener(
                this._touchend, obj[pre + this._touchend + id], false);

        if (L.Browser.msTouch) {
                document.documentElement.removeEventListener('MSPointerCancel', obj[pre + this._touchend + id], false);
        }

        return this;
}

});

/*

* Extends L.DomEvent to provide touch support for Internet Explorer and Windows-based devices.
*/

L.extend(L.DomEvent, {

_msTouches: [],
_msDocumentListener: false,

// Provides a touch events wrapper for msPointer events.
// Based on changes by veproza https://github.com/CloudMade/Leaflet/pull/1019

addMsTouchListener: function (obj, type, handler, id) {

        switch (type) {
        case 'touchstart':
                return this.addMsTouchListenerStart(obj, type, handler, id);
        case 'touchend':
                return this.addMsTouchListenerEnd(obj, type, handler, id);
        case 'touchmove':
                return this.addMsTouchListenerMove(obj, type, handler, id);
        default:
                throw 'Unknown touch event type';
        }
},

addMsTouchListenerStart: function (obj, type, handler, id) {
        var pre = '_leaflet_',
            touches = this._msTouches;

        var cb = function (e) {

                var alreadyInArray = false;
                for (var i = 0; i < touches.length; i++) {
                        if (touches[i].pointerId === e.pointerId) {
                                alreadyInArray = true;
                                break;
                        }
                }
                if (!alreadyInArray) {
                        touches.push(e);
                }

                e.touches = touches.slice();
                e.changedTouches = [e];

                handler(e);
        };

        obj[pre + 'touchstart' + id] = cb;
        obj.addEventListener('MSPointerDown', cb, false);

        // need to also listen for end events to keep the _msTouches list accurate
        // this needs to be on the body and never go away
        if (!this._msDocumentListener) {
                var internalCb = function (e) {
                        for (var i = 0; i < touches.length; i++) {
                                if (touches[i].pointerId === e.pointerId) {
                                        touches.splice(i, 1);
                                        break;
                                }
                        }
                };
                //We listen on the documentElement as any drags that end by moving the touch off the screen get fired there
                document.documentElement.addEventListener('MSPointerUp', internalCb, false);
                document.documentElement.addEventListener('MSPointerCancel', internalCb, false);

                this._msDocumentListener = true;
        }

        return this;
},

addMsTouchListenerMove: function (obj, type, handler, id) {
        var pre = '_leaflet_',
            touches = this._msTouches;

        function cb(e) {

                // don't fire touch moves when mouse isn't down
                if (e.pointerType === e.MSPOINTER_TYPE_MOUSE && e.buttons === 0) { return; }

                for (var i = 0; i < touches.length; i++) {
                        if (touches[i].pointerId === e.pointerId) {
                                touches[i] = e;
                                break;
                        }
                }

                e.touches = touches.slice();
                e.changedTouches = [e];

                handler(e);
        }

        obj[pre + 'touchmove' + id] = cb;
        obj.addEventListener('MSPointerMove', cb, false);

        return this;
},

addMsTouchListenerEnd: function (obj, type, handler, id) {
        var pre = '_leaflet_',
            touches = this._msTouches;

        var cb = function (e) {
                for (var i = 0; i < touches.length; i++) {
                        if (touches[i].pointerId === e.pointerId) {
                                touches.splice(i, 1);
                                break;
                        }
                }

                e.touches = touches.slice();
                e.changedTouches = [e];

                handler(e);
        };

        obj[pre + 'touchend' + id] = cb;
        obj.addEventListener('MSPointerUp', cb, false);
        obj.addEventListener('MSPointerCancel', cb, false);

        return this;
},

removeMsTouchListener: function (obj, type, id) {
        var pre = '_leaflet_',
            cb = obj[pre + type + id];

        switch (type) {
        case 'touchstart':
                obj.removeEventListener('MSPointerDown', cb, false);
                break;
        case 'touchmove':
                obj.removeEventListener('MSPointerMove', cb, false);
                break;
        case 'touchend':
                obj.removeEventListener('MSPointerUp', cb, false);
                obj.removeEventListener('MSPointerCancel', cb, false);
                break;
        }

        return this;
}

});

/*

* L.Handler.TouchZoom is used by L.Map to add pinch zoom on supported mobile browsers.
*/

L.Map.mergeOptions({

touchZoom: L.Browser.touch && !L.Browser.android23

});

L.Map.TouchZoom = L.Handler.extend({

addHooks: function () {
        L.DomEvent.on(this._map._container, 'touchstart', this._onTouchStart, this);
},

removeHooks: function () {
        L.DomEvent.off(this._map._container, 'touchstart', this._onTouchStart, this);
},

_onTouchStart: function (e) {
        var map = this._map;

        if (!e.touches || e.touches.length !== 2 || map._animatingZoom || this._zooming) { return; }

        var p1 = map.mouseEventToLayerPoint(e.touches[0]),
            p2 = map.mouseEventToLayerPoint(e.touches[1]),
            viewCenter = map._getCenterLayerPoint();

        this._startCenter = p1.add(p2)._divideBy(2);
        this._startDist = p1.distanceTo(p2);

        this._moved = false;
        this._zooming = true;

        this._centerOffset = viewCenter.subtract(this._startCenter);

        if (map._panAnim) {
                map._panAnim.stop();
        }

        L.DomEvent
            .on(document, 'touchmove', this._onTouchMove, this)
            .on(document, 'touchend', this._onTouchEnd, this);

        L.DomEvent.preventDefault(e);
},

_onTouchMove: function (e) {
        var map = this._map;

        if (!e.touches || e.touches.length !== 2 || !this._zooming) { return; }

        var p1 = map.mouseEventToLayerPoint(e.touches[0]),
            p2 = map.mouseEventToLayerPoint(e.touches[1]);

        this._scale = p1.distanceTo(p2) / this._startDist;
        this._delta = p1._add(p2)._divideBy(2)._subtract(this._startCenter);

        if (this._scale === 1) { return; }

        if (!this._moved) {
                L.DomUtil.addClass(map._mapPane, 'leaflet-touching');

                map
                    .fire('movestart')
                    .fire('zoomstart');

                this._moved = true;
        }

        L.Util.cancelAnimFrame(this._animRequest);
        this._animRequest = L.Util.requestAnimFrame(
                this._updateOnMove, this, true, this._map._container);

        L.DomEvent.preventDefault(e);
},

_updateOnMove: function () {
        var map = this._map,
            origin = this._getScaleOrigin(),
            center = map.layerPointToLatLng(origin),
            zoom = map.getScaleZoom(this._scale);

        map._animateZoom(center, zoom, this._startCenter, this._scale, this._delta);
},

_onTouchEnd: function () {
        if (!this._moved || !this._zooming) {
                this._zooming = false;
                return;
        }

        var map = this._map;

        this._zooming = false;
        L.DomUtil.removeClass(map._mapPane, 'leaflet-touching');
        L.Util.cancelAnimFrame(this._animRequest);

        L.DomEvent
            .off(document, 'touchmove', this._onTouchMove)
            .off(document, 'touchend', this._onTouchEnd);

        var origin = this._getScaleOrigin(),
            center = map.layerPointToLatLng(origin),

            oldZoom = map.getZoom(),
            floatZoomDelta = map.getScaleZoom(this._scale) - oldZoom,
            roundZoomDelta = (floatZoomDelta > 0 ?
                    Math.ceil(floatZoomDelta) : Math.floor(floatZoomDelta)),

            zoom = map._limitZoom(oldZoom + roundZoomDelta),
            scale = map.getZoomScale(zoom) / this._scale;

        map._animateZoom(center, zoom, origin, scale);
},

_getScaleOrigin: function () {
        var centerOffset = this._centerOffset.subtract(this._delta).divideBy(this._scale);
        return this._startCenter.add(centerOffset);
}

});

L.Map.addInitHook('addHandler', 'touchZoom', L.Map.TouchZoom);

/*

* L.Handler.ShiftDragZoom is used to add shift-drag zoom interaction to the map
 * (zoom to a selected bounding box), enabled by default.
*/

L.Map.mergeOptions({

boxZoom: true

});

L.Map.BoxZoom = L.Handler.extend({

initialize: function (map) {
        this._map = map;
        this._container = map._container;
        this._pane = map._panes.overlayPane;
},

addHooks: function () {
        L.DomEvent.on(this._container, 'mousedown', this._onMouseDown, this);
},

removeHooks: function () {
        L.DomEvent.off(this._container, 'mousedown', this._onMouseDown);
},

_onMouseDown: function (e) {
        if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; }

        L.DomUtil.disableTextSelection();

        this._startLayerPoint = this._map.mouseEventToLayerPoint(e);

        this._box = L.DomUtil.create('div', 'leaflet-zoom-box', this._pane);
        L.DomUtil.setPosition(this._box, this._startLayerPoint);

        //TODO refactor: move cursor to styles
        this._container.style.cursor = 'crosshair';

        L.DomEvent
            .on(document, 'mousemove', this._onMouseMove, this)
            .on(document, 'mouseup', this._onMouseUp, this)
            .on(document, 'keydown', this._onKeyDown, this)
            .preventDefault(e);

        this._map.fire('boxzoomstart');
},

_onMouseMove: function (e) {
        var startPoint = this._startLayerPoint,
            box = this._box,

            layerPoint = this._map.mouseEventToLayerPoint(e),
            offset = layerPoint.subtract(startPoint),

            newPos = new L.Point(
                Math.min(layerPoint.x, startPoint.x),
                Math.min(layerPoint.y, startPoint.y));

        L.DomUtil.setPosition(box, newPos);

        // TODO refactor: remove hardcoded 4 pixels
        box.style.width  = (Math.max(0, Math.abs(offset.x) - 4)) + 'px';
        box.style.height = (Math.max(0, Math.abs(offset.y) - 4)) + 'px';
},

_finish: function () {
        this._pane.removeChild(this._box);
        this._container.style.cursor = '';

        L.DomUtil.enableTextSelection();

        L.DomEvent
            .off(document, 'mousemove', this._onMouseMove)
            .off(document, 'mouseup', this._onMouseUp)
            .off(document, 'keydown', this._onKeyDown);
},

_onMouseUp: function (e) {

        this._finish();

        var map = this._map,
            layerPoint = map.mouseEventToLayerPoint(e);

        if (this._startLayerPoint.equals(layerPoint)) { return; }

        var bounds = new L.LatLngBounds(
                map.layerPointToLatLng(this._startLayerPoint),
                map.layerPointToLatLng(layerPoint));

        map.fitBounds(bounds);

        map.fire('boxzoomend', {
                boxZoomBounds: bounds
        });
},

_onKeyDown: function (e) {
        if (e.keyCode === 27) {
                this._finish();
        }
}

});

L.Map.addInitHook('addHandler', 'boxZoom', L.Map.BoxZoom);

/*

* L.Map.Keyboard is handling keyboard interaction with the map, enabled by default.
*/

L.Map.mergeOptions({

keyboard: true,
keyboardPanOffset: 80,
keyboardZoomOffset: 1

});

L.Map.Keyboard = L.Handler.extend({

keyCodes: {
        left:    [37],
        right:   [39],
        down:    [40],
        up:      [38],
        zoomIn:  [187, 107, 61],
        zoomOut: [189, 109, 173]
},

initialize: function (map) {
        this._map = map;

        this._setPanOffset(map.options.keyboardPanOffset);
        this._setZoomOffset(map.options.keyboardZoomOffset);
},

addHooks: function () {
        var container = this._map._container;

        // make the container focusable by tabbing
        if (container.tabIndex === -1) {
                container.tabIndex = '0';
        }

        L.DomEvent
            .on(container, 'focus', this._onFocus, this)
            .on(container, 'blur', this._onBlur, this)
            .on(container, 'mousedown', this._onMouseDown, this);

        this._map
            .on('focus', this._addHooks, this)
            .on('blur', this._removeHooks, this);
},

removeHooks: function () {
        this._removeHooks();

        var container = this._map._container;

        L.DomEvent
            .off(container, 'focus', this._onFocus, this)
            .off(container, 'blur', this._onBlur, this)
            .off(container, 'mousedown', this._onMouseDown, this);

        this._map
            .off('focus', this._addHooks, this)
            .off('blur', this._removeHooks, this);
},

_onMouseDown: function () {
        if (this._focused) { return; }

        var body = document.body,
            docEl = document.documentElement,
            top = body.scrollTop || docEl.scrollTop,
            left = body.scrollTop || docEl.scrollLeft;

        this._map._container.focus();

        window.scrollTo(left, top);
},

_onFocus: function () {
        this._focused = true;
        this._map.fire('focus');
},

_onBlur: function () {
        this._focused = false;
        this._map.fire('blur');
},

_setPanOffset: function (pan) {
        var keys = this._panKeys = {},
            codes = this.keyCodes,
            i, len;

        for (i = 0, len = codes.left.length; i < len; i++) {
                keys[codes.left[i]] = [-1 * pan, 0];
        }
        for (i = 0, len = codes.right.length; i < len; i++) {
                keys[codes.right[i]] = [pan, 0];
        }
        for (i = 0, len = codes.down.length; i < len; i++) {
                keys[codes.down[i]] = [0, pan];
        }
        for (i = 0, len = codes.up.length; i < len; i++) {
                keys[codes.up[i]] = [0, -1 * pan];
        }
},

_setZoomOffset: function (zoom) {
        var keys = this._zoomKeys = {},
            codes = this.keyCodes,
            i, len;

        for (i = 0, len = codes.zoomIn.length; i < len; i++) {
                keys[codes.zoomIn[i]] = zoom;
        }
        for (i = 0, len = codes.zoomOut.length; i < len; i++) {
                keys[codes.zoomOut[i]] = -zoom;
        }
},

_addHooks: function () {
        L.DomEvent.on(document, 'keydown', this._onKeyDown, this);
},

_removeHooks: function () {
        L.DomEvent.off(document, 'keydown', this._onKeyDown, this);
},

_onKeyDown: function (e) {
        var key = e.keyCode,
            map = this._map;

        if (key in this._panKeys) {
                map.panBy(this._panKeys[key]);

                if (map.options.maxBounds) {
                        map.panInsideBounds(map.options.maxBounds);
                }

        } else if (key in this._zoomKeys) {
                map.setZoom(map.getZoom() + this._zoomKeys[key]);

        } else {
                return;
        }

        L.DomEvent.stop(e);
}

});

L.Map.addInitHook('addHandler', 'keyboard', L.Map.Keyboard);

/*

* L.Handler.MarkerDrag is used internally by L.Marker to make the markers draggable.
*/

L.Handler.MarkerDrag = L.Handler.extend({

initialize: function (marker) {
        this._marker = marker;
},

addHooks: function () {
        var icon = this._marker._icon;
        if (!this._draggable) {
                this._draggable = new L.Draggable(icon, icon);
        }

        this._draggable
                .on('dragstart', this._onDragStart, this)
                .on('drag', this._onDrag, this)
                .on('dragend', this._onDragEnd, this);
        this._draggable.enable();
},

removeHooks: function () {
        this._draggable
                .off('dragstart', this._onDragStart)
                .off('drag', this._onDrag)
                .off('dragend', this._onDragEnd);

        this._draggable.disable();
},

moved: function () {
        return this._draggable && this._draggable._moved;
},

_onDragStart: function () {
        this._marker
            .closePopup()
            .fire('movestart')
            .fire('dragstart');
},

_onDrag: function () {
        var marker = this._marker,
            shadow = marker._shadow,
            iconPos = L.DomUtil.getPosition(marker._icon),
            latlng = marker._map.layerPointToLatLng(iconPos);

        // update shadow position
        if (shadow) {
                L.DomUtil.setPosition(shadow, iconPos);
        }

        marker._latlng = latlng;

        marker
            .fire('move', {latlng: latlng})
            .fire('drag');
},

_onDragEnd: function () {
        this._marker
            .fire('moveend')
            .fire('dragend');
}

});

/*

* L.Control is a base class for implementing map controls. Handles positioning.
* All other controls extend from this class.
*/

L.Control = L.Class.extend({

options: {
        position: 'topright'
},

initialize: function (options) {
        L.setOptions(this, options);
},

getPosition: function () {
        return this.options.position;
},

setPosition: function (position) {
        var map = this._map;

        if (map) {
                map.removeControl(this);
        }

        this.options.position = position;

        if (map) {
                map.addControl(this);
        }

        return this;
},

getContainer: function () {
        return this._container;
},

addTo: function (map) {
        this._map = map;

        var container = this._container = this.onAdd(map),
            pos = this.getPosition(),
            corner = map._controlCorners[pos];

        L.DomUtil.addClass(container, 'leaflet-control');

        if (pos.indexOf('bottom') !== -1) {
                corner.insertBefore(container, corner.firstChild);
        } else {
                corner.appendChild(container);
        }

        return this;
},

removeFrom: function (map) {
        var pos = this.getPosition(),
            corner = map._controlCorners[pos];

        corner.removeChild(this._container);
        this._map = null;

        if (this.onRemove) {
                this.onRemove(map);
        }

        return this;
}

});

L.control = function (options) {

return new L.Control(options);

};

// adds control-related methods to L.Map

L.Map.include({

addControl: function (control) {
        control.addTo(this);
        return this;
},

removeControl: function (control) {
        control.removeFrom(this);
        return this;
},

_initControlPos: function () {
        var corners = this._controlCorners = {},
            l = 'leaflet-',
            container = this._controlContainer =
                    L.DomUtil.create('div', l + 'control-container', this._container);

        function createCorner(vSide, hSide) {
                var className = l + vSide + ' ' + l + hSide;

                corners[vSide + hSide] = L.DomUtil.create('div', className, container);
        }

        createCorner('top', 'left');
        createCorner('top', 'right');
        createCorner('bottom', 'left');
        createCorner('bottom', 'right');
},

_clearControlPos: function () {
        this._container.removeChild(this._controlContainer);
}

});

/*

* L.Control.Zoom is used for the default zoom buttons on the map.
*/

L.Control.Zoom = L.Control.extend({

options: {
        position: 'topleft'
},

onAdd: function (map) {
        var zoomName = 'leaflet-control-zoom',
            container = L.DomUtil.create('div', zoomName + ' leaflet-bar');

        this._map = map;

        this._zoomInButton  = this._createButton(
                '+', 'Zoom in',  zoomName + '-in',  container, this._zoomIn,  this);
        this._zoomOutButton = this._createButton(
                '-', 'Zoom out', zoomName + '-out', container, this._zoomOut, this);

        map.on('zoomend zoomlevelschange', this._updateDisabled, this);

        return container;
},

onRemove: function (map) {
        map.off('zoomend zoomlevelschange', this._updateDisabled, this);
},

_zoomIn: function (e) {
        this._map.zoomIn(e.shiftKey ? 3 : 1);
},

_zoomOut: function (e) {
        this._map.zoomOut(e.shiftKey ? 3 : 1);
},

_createButton: function (html, title, className, container, fn, context) {
        var link = L.DomUtil.create('a', className, container);
        link.innerHTML = html;
        link.href = '#';
        link.title = title;

        var stop = L.DomEvent.stopPropagation;

        L.DomEvent
            .on(link, 'click', stop)
            .on(link, 'mousedown', stop)
            .on(link, 'dblclick', stop)
            .on(link, 'click', L.DomEvent.preventDefault)
            .on(link, 'click', fn, context);

        return link;
},

_updateDisabled: function () {
        var map = this._map,
                className = 'leaflet-disabled';

        L.DomUtil.removeClass(this._zoomInButton, className);
        L.DomUtil.removeClass(this._zoomOutButton, className);

        if (map._zoom === map.getMinZoom()) {
                L.DomUtil.addClass(this._zoomOutButton, className);
        }
        if (map._zoom === map.getMaxZoom()) {
                L.DomUtil.addClass(this._zoomInButton, className);
        }
}

});

L.Map.mergeOptions({

zoomControl: true

});

L.Map.addInitHook(function () {

if (this.options.zoomControl) {
        this.zoomControl = new L.Control.Zoom();
        this.addControl(this.zoomControl);
}

});

L.control.zoom = function (options) {

return new L.Control.Zoom(options);

};

/*

* L.Control.Attribution is used for displaying attribution on the map (added by default).
*/

L.Control.Attribution = L.Control.extend({

options: {
        position: 'bottomright',
        prefix: '<a href="http://leafletjs.com" title="A JS library for interactive maps">Leaflet</a>'
},

initialize: function (options) {
        L.setOptions(this, options);

        this._attributions = {};
},

onAdd: function (map) {
        this._container = L.DomUtil.create('div', 'leaflet-control-attribution');
        L.DomEvent.disableClickPropagation(this._container);

        map
            .on('layeradd', this._onLayerAdd, this)
            .on('layerremove', this._onLayerRemove, this);

        this._update();

        return this._container;
},

onRemove: function (map) {
        map
            .off('layeradd', this._onLayerAdd)
            .off('layerremove', this._onLayerRemove);

},

setPrefix: function (prefix) {
        this.options.prefix = prefix;
        this._update();
        return this;
},

addAttribution: function (text) {
        if (!text) { return; }

        if (!this._attributions[text]) {
                this._attributions[text] = 0;
        }
        this._attributions[text]++;

        this._update();

        return this;
},

removeAttribution: function (text) {
        if (!text) { return; }

        if (this._attributions[text]) {
                this._attributions[text]--;
                this._update();
        }

        return this;
},

_update: function () {
        if (!this._map) { return; }

        var attribs = [];

        for (var i in this._attributions) {
                if (this._attributions[i]) {
                        attribs.push(i);
                }
        }

        var prefixAndAttribs = [];

        if (this.options.prefix) {
                prefixAndAttribs.push(this.options.prefix);
        }
        if (attribs.length) {
                prefixAndAttribs.push(attribs.join(', '));
        }

        this._container.innerHTML = prefixAndAttribs.join(' | ');
},

_onLayerAdd: function (e) {
        if (e.layer.getAttribution) {
                this.addAttribution(e.layer.getAttribution());
        }
},

_onLayerRemove: function (e) {
        if (e.layer.getAttribution) {
                this.removeAttribution(e.layer.getAttribution());
        }
}

});

L.Map.mergeOptions({

attributionControl: true

});

L.Map.addInitHook(function () {

if (this.options.attributionControl) {
        this.attributionControl = (new L.Control.Attribution()).addTo(this);
}

});

L.control.attribution = function (options) {

return new L.Control.Attribution(options);

};

/*

* L.Control.Scale is used for displaying metric/imperial scale on the map.
*/

L.Control.Scale = L.Control.extend({

options: {
        position: 'bottomleft',
        maxWidth: 100,
        metric: true,
        imperial: true,
        updateWhenIdle: false
},

onAdd: function (map) {
        this._map = map;

        var className = 'leaflet-control-scale',
            container = L.DomUtil.create('div', className),
            options = this.options;

        this._addScales(options, className, container);

        map.on(options.updateWhenIdle ? 'moveend' : 'move', this._update, this);
        map.whenReady(this._update, this);

        return container;
},

onRemove: function (map) {
        map.off(this.options.updateWhenIdle ? 'moveend' : 'move', this._update, this);
},

_addScales: function (options, className, container) {
        if (options.metric) {
                this._mScale = L.DomUtil.create('div', className + '-line', container);
        }
        if (options.imperial) {
                this._iScale = L.DomUtil.create('div', className + '-line', container);
        }
},

_update: function () {
        var bounds = this._map.getBounds(),
            centerLat = bounds.getCenter().lat,
            halfWorldMeters = 6378137 * Math.PI * Math.cos(centerLat * Math.PI / 180),
            dist = halfWorldMeters * (bounds.getNorthEast().lng - bounds.getSouthWest().lng) / 180,

            size = this._map.getSize(),
            options = this.options,
            maxMeters = 0;

        if (size.x > 0) {
                maxMeters = dist * (options.maxWidth / size.x);
        }

        this._updateScales(options, maxMeters);
},

_updateScales: function (options, maxMeters) {
        if (options.metric && maxMeters) {
                this._updateMetric(maxMeters);
        }

        if (options.imperial && maxMeters) {
                this._updateImperial(maxMeters);
        }
},

_updateMetric: function (maxMeters) {
        var meters = this._getRoundNum(maxMeters);

        this._mScale.style.width = this._getScaleWidth(meters / maxMeters) + 'px';
        this._mScale.innerHTML = meters < 1000 ? meters + ' m' : (meters / 1000) + ' km';
},

_updateImperial: function (maxMeters) {
        var maxFeet = maxMeters * 3.2808399,
            scale = this._iScale,
            maxMiles, miles, feet;

        if (maxFeet > 5280) {
                maxMiles = maxFeet / 5280;
                miles = this._getRoundNum(maxMiles);

                scale.style.width = this._getScaleWidth(miles / maxMiles) + 'px';
                scale.innerHTML = miles + ' mi';

        } else {
                feet = this._getRoundNum(maxFeet);

                scale.style.width = this._getScaleWidth(feet / maxFeet) + 'px';
                scale.innerHTML = feet + ' ft';
        }
},

_getScaleWidth: function (ratio) {
        return Math.round(this.options.maxWidth * ratio) - 10;
},

_getRoundNum: function (num) {
        var pow10 = Math.pow(10, (Math.floor(num) + '').length - 1),
            d = num / pow10;

        d = d >= 10 ? 10 : d >= 5 ? 5 : d >= 3 ? 3 : d >= 2 ? 2 : 1;

        return pow10 * d;
}

});

L.control.scale = function (options) {

return new L.Control.Scale(options);

};

/*

* L.Control.Layers is a control to allow users to switch between different layers on the map.
*/

L.Control.Layers = L.Control.extend({

options: {
        collapsed: true,
        position: 'topright',
        autoZIndex: true
},

initialize: function (baseLayers, overlays, options) {
        L.setOptions(this, options);

        this._layers = {};
        this._lastZIndex = 0;
        this._handlingClick = false;

        for (var i in baseLayers) {
                this._addLayer(baseLayers[i], i);
        }

        for (i in overlays) {
                this._addLayer(overlays[i], i, true);
        }
},

onAdd: function (map) {
        this._initLayout();
        this._update();

        map
            .on('layeradd', this._onLayerChange, this)
            .on('layerremove', this._onLayerChange, this);

        return this._container;
},

onRemove: function (map) {
        map
            .off('layeradd', this._onLayerChange)
            .off('layerremove', this._onLayerChange);
},

addBaseLayer: function (layer, name) {
        this._addLayer(layer, name);
        this._update();
        return this;
},

addOverlay: function (layer, name) {
        this._addLayer(layer, name, true);
        this._update();
        return this;
},

removeLayer: function (layer) {
        var id = L.stamp(layer);
        delete this._layers[id];
        this._update();
        return this;
},

_initLayout: function () {
        var className = 'leaflet-control-layers',
            container = this._container = L.DomUtil.create('div', className);

        //Makes this work on IE10 Touch devices by stopping it from firing a mouseout event when the touch is released
        container.setAttribute('aria-haspopup', true);

        if (!L.Browser.touch) {
                L.DomEvent.disableClickPropagation(container);
                L.DomEvent.on(container, 'mousewheel', L.DomEvent.stopPropagation);
        } else {
                L.DomEvent.on(container, 'click', L.DomEvent.stopPropagation);
        }

        var form = this._form = L.DomUtil.create('form', className + '-list');

        if (this.options.collapsed) {
                L.DomEvent
                    .on(container, 'mouseover', this._expand, this)
                    .on(container, 'mouseout', this._collapse, this);

                var link = this._layersLink = L.DomUtil.create('a', className + '-toggle', container);
                link.href = '#';
                link.title = 'Layers';

                if (L.Browser.touch) {
                        L.DomEvent
                            .on(link, 'click', L.DomEvent.stopPropagation)
                            .on(link, 'click', L.DomEvent.preventDefault)
                            .on(link, 'click', this._expand, this);
                }
                else {
                        L.DomEvent.on(link, 'focus', this._expand, this);
                }

                this._map.on('movestart', this._collapse, this);
                // TODO keyboard accessibility
        } else {
                this._expand();
        }

        this._baseLayersList = L.DomUtil.create('div', className + '-base', form);
        this._separator = L.DomUtil.create('div', className + '-separator', form);
        this._overlaysList = L.DomUtil.create('div', className + '-overlays', form);

        container.appendChild(form);
},

_addLayer: function (layer, name, overlay) {
        var id = L.stamp(layer);

        this._layers[id] = {
                layer: layer,
                name: name,
                overlay: overlay
        };

        if (this.options.autoZIndex && layer.setZIndex) {
                this._lastZIndex++;
                layer.setZIndex(this._lastZIndex);
        }
},

_update: function () {
        if (!this._container) {
                return;
        }

        this._baseLayersList.innerHTML = '';
        this._overlaysList.innerHTML = '';

        var baseLayersPresent = false,
            overlaysPresent = false,
            i, obj;

        for (i in this._layers) {
                obj = this._layers[i];
                this._addItem(obj);
                overlaysPresent = overlaysPresent || obj.overlay;
                baseLayersPresent = baseLayersPresent || !obj.overlay;
        }

        this._separator.style.display = overlaysPresent && baseLayersPresent ? '' : 'none';
},

_onLayerChange: function (e) {
        var id = L.stamp(e.layer);

        if (this._layers[id] && !this._handlingClick) {
                this._update();
        }
},

// IE7 bugs out if you create a radio dynamically, so you have to do it this hacky way (see http://bit.ly/PqYLBe)
_createRadioElement: function (name, checked) {

        var radioHtml = '<input type="radio" class="leaflet-control-layers-selector" name="' + name + '"';
        if (checked) {
                radioHtml += ' checked="checked"';
        }
        radioHtml += '/>';

        var radioFragment = document.createElement('div');
        radioFragment.innerHTML = radioHtml;

        return radioFragment.firstChild;
},

_addItem: function (obj) {
        var label = document.createElement('label'),
            input,
            checked = this._map.hasLayer(obj.layer);

        if (obj.overlay) {
                input = document.createElement('input');
                input.type = 'checkbox';
                input.className = 'leaflet-control-layers-selector';
                input.defaultChecked = checked;
        } else {
                input = this._createRadioElement('leaflet-base-layers', checked);
        }

        input.layerId = L.stamp(obj.layer);

        L.DomEvent.on(input, 'click', this._onInputClick, this);

        var name = document.createElement('span');
        name.innerHTML = ' ' + obj.name;

        label.appendChild(input);
        label.appendChild(name);

        var container = obj.overlay ? this._overlaysList : this._baseLayersList;
        container.appendChild(label);

        return label;
},

_onInputClick: function () {
        var i, input, obj,
            inputs = this._form.getElementsByTagName('input'),
            inputsLen = inputs.length,
            baseLayer;

        this._handlingClick = true;

        for (i = 0; i < inputsLen; i++) {
                input = inputs[i];
                obj = this._layers[input.layerId];

                if (input.checked && !this._map.hasLayer(obj.layer)) {
                        this._map.addLayer(obj.layer);
                        if (!obj.overlay) {
                                baseLayer = obj.layer;
                        } else {
                                this._map.fire('overlayadd', {layer: obj});
                        }
                } else if (!input.checked && this._map.hasLayer(obj.layer)) {
                        this._map.removeLayer(obj.layer);
                        this._map.fire('overlayremove', {layer: obj});
                }
        }

        if (baseLayer) {
                this._map.setZoom(this._map.getZoom());
                this._map.fire('baselayerchange', {layer: baseLayer});
        }

        this._handlingClick = false;
},

_expand: function () {
        L.DomUtil.addClass(this._container, 'leaflet-control-layers-expanded');
},

_collapse: function () {
        this._container.className = this._container.className.replace(' leaflet-control-layers-expanded', '');
}

});

L.control.layers = function (baseLayers, overlays, options) {

return new L.Control.Layers(baseLayers, overlays, options);

};

/*

* L.PosAnimation is used by Leaflet internally for pan animations.
*/

L.PosAnimation = L.Class.extend({

includes: L.Mixin.Events,

run: function (el, newPos, duration, easeLinearity) { // (HTMLElement, Point[, Number, Number])
        this.stop();

        this._el = el;
        this._inProgress = true;
        this._newPos = newPos;

        this.fire('start');

        el.style[L.DomUtil.TRANSITION] = 'all ' + (duration || 0.25) +
                's cubic-bezier(0,0,' + (easeLinearity || 0.5) + ',1)';

        L.DomEvent.on(el, L.DomUtil.TRANSITION_END, this._onTransitionEnd, this);
        L.DomUtil.setPosition(el, newPos);

        // toggle reflow, Chrome flickers for some reason if you don't do this
        L.Util.falseFn(el.offsetWidth);

        // there's no native way to track value updates of transitioned properties, so we imitate this
        this._stepTimer = setInterval(L.bind(this._onStep, this), 50);
},

stop: function () {
        if (!this._inProgress) { return; }

        // if we just removed the transition property, the element would jump to its final position,
        // so we need to make it stay at the current position

        L.DomUtil.setPosition(this._el, this._getPos());
        this._onTransitionEnd();
        L.Util.falseFn(this._el.offsetWidth); // force reflow in case we are about to start a new animation
},

_onStep: function () {
        // jshint camelcase: false
        // make L.DomUtil.getPosition return intermediate position value during animation
        this._el._leaflet_pos = this._getPos();

        this.fire('step');
},

// you can't easily get intermediate values of properties animated with CSS3 Transitions,
// we need to parse computed style (in case of transform it returns matrix string)

_transformRe: /([-+]?(?:\d*\.)?\d+)\D*, ([-+]?(?:\d*\.)?\d+)\D*\)/,

_getPos: function () {
        var left, top, matches,
            el = this._el,
            style = window.getComputedStyle(el);

        if (L.Browser.any3d) {
                matches = style[L.DomUtil.TRANSFORM].match(this._transformRe);
                left = parseFloat(matches[1]);
                top  = parseFloat(matches[2]);
        } else {
                left = parseFloat(style.left);
                top  = parseFloat(style.top);
        }

        return new L.Point(left, top, true);
},

_onTransitionEnd: function () {
        L.DomEvent.off(this._el, L.DomUtil.TRANSITION_END, this._onTransitionEnd, this);

        if (!this._inProgress) { return; }
        this._inProgress = false;

        this._el.style[L.DomUtil.TRANSITION] = '';

        // jshint camelcase: false
        // make sure L.DomUtil.getPosition returns the final position value after animation
        this._el._leaflet_pos = this._newPos;

        clearInterval(this._stepTimer);

        this.fire('step').fire('end');
}

});

/*

* Extends L.Map to handle panning animations.
*/

L.Map.include({

setView: function (center, zoom, options) {

        zoom = this._limitZoom(zoom);
        center = L.latLng(center);
        options = options || {};

        if (this._panAnim) {
                this._panAnim.stop();
        }

        if (this._loaded && !options.reset && options !== true) {

                if (options.animate !== undefined) {
                        options.zoom = L.extend({animate: options.animate}, options.zoom);
                        options.pan = L.extend({animate: options.animate}, options.pan);
                }

                // try animating pan or zoom
                var animated = (this._zoom !== zoom) ?
                        this._tryAnimatedZoom && this._tryAnimatedZoom(center, zoom, options.zoom) :
                        this._tryAnimatedPan(center, options.pan);

                if (animated) {
                        // prevent resize handler call, the view will refresh after animation anyway
                        clearTimeout(this._sizeTimer);
                        return this;
                }
        }

        // animation didn't start, just reset the map view
        this._resetView(center, zoom);

        return this;
},

panBy: function (offset, options) {
        offset = L.point(offset).round();
        options = options || {};

        if (!offset.x && !offset.y) {
                return this;
        }

        if (!this._panAnim) {
                this._panAnim = new L.PosAnimation();

                this._panAnim.on({
                        'step': this._onPanTransitionStep,
                        'end': this._onPanTransitionEnd
                }, this);
        }

        // don't fire movestart if animating inertia
        if (!options.noMoveStart) {
                this.fire('movestart');
        }

        // animate pan unless animate: false specified
        if (options.animate !== false) {
                L.DomUtil.addClass(this._mapPane, 'leaflet-pan-anim');

                var newPos = this._getMapPanePos().subtract(offset);
                this._panAnim.run(this._mapPane, newPos, options.duration || 0.25, options.easeLinearity);
        } else {
                this._rawPanBy(offset);
                this.fire('move').fire('moveend');
        }

        return this;
},

_onPanTransitionStep: function () {
        this.fire('move');
},

_onPanTransitionEnd: function () {
        L.DomUtil.removeClass(this._mapPane, 'leaflet-pan-anim');
        this.fire('moveend');
},

_tryAnimatedPan: function (center, options) {
        // difference between the new and current centers in pixels
        var offset = this._getCenterOffset(center)._floor();

        // don't animate too far unless animate: true specified in options
        if ((options && options.animate) !== true && !this.getSize().contains(offset)) { return false; }

        this.panBy(offset, options);

        return true;
}

});

/*

* L.PosAnimation fallback implementation that powers Leaflet pan animations
* in browsers that don't support CSS3 Transitions.
*/

L.PosAnimation = L.DomUtil.TRANSITION ? L.PosAnimation : L.PosAnimation.extend({

run: function (el, newPos, duration, easeLinearity) { // (HTMLElement, Point[, Number, Number])
        this.stop();

        this._el = el;
        this._inProgress = true;
        this._duration = duration || 0.25;
        this._easeOutPower = 1 / Math.max(easeLinearity || 0.5, 0.2);

        this._startPos = L.DomUtil.getPosition(el);
        this._offset = newPos.subtract(this._startPos);
        this._startTime = +new Date();

        this.fire('start');

        this._animate();
},

stop: function () {
        if (!this._inProgress) { return; }

        this._step();
        this._complete();
},

_animate: function () {
        // animation loop
        this._animId = L.Util.requestAnimFrame(this._animate, this);
        this._step();
},

_step: function () {
        var elapsed = (+new Date()) - this._startTime,
            duration = this._duration * 1000;

        if (elapsed < duration) {
                this._runFrame(this._easeOut(elapsed / duration));
        } else {
                this._runFrame(1);
                this._complete();
        }
},

_runFrame: function (progress) {
        var pos = this._startPos.add(this._offset.multiplyBy(progress));
        L.DomUtil.setPosition(this._el, pos);

        this.fire('step');
},

_complete: function () {
        L.Util.cancelAnimFrame(this._animId);

        this._inProgress = false;
        this.fire('end');
},

_easeOut: function (t) {
        return 1 - Math.pow(1 - t, this._easeOutPower);
}

});

/*

* Extends L.Map to handle zoom animations.
*/

L.Map.mergeOptions({

zoomAnimation: true,
zoomAnimationThreshold: 4

});

if (L.DomUtil.TRANSITION) {

L.Map.addInitHook(function () {
        // zoom transitions run with the same duration for all layers, so if one of transitionend events
        // happens after starting zoom animation (propagating to the map pane), we know that it ended globally

        L.DomEvent.on(this._mapPane, L.DomUtil.TRANSITION_END, this._catchTransitionEnd, this);
});

}

L.Map.include(!L.DomUtil.TRANSITION ? {} : {

_catchTransitionEnd: function () {
        if (this._animatingZoom) {
                this._onZoomTransitionEnd();
        }
},

_tryAnimatedZoom: function (center, zoom, options) {

        if (this._animatingZoom) { return true; }

        options = options || {};

        // don't animate if disabled, not supported or zoom difference is too large
        if (!this.options.zoomAnimation || options.animate === false ||
                !L.DomUtil.TRANSITION || L.Browser.android23 || L.Browser.mobileOpera ||
                Math.abs(zoom - this._zoom) > this.options.zoomAnimationThreshold) { return false; }

        // offset is the pixel coords of the zoom origin relative to the current center
        var scale = this.getZoomScale(zoom),
            offset = this._getCenterOffset(center)._divideBy(1 - 1 / scale),
                origin = this._getCenterLayerPoint()._add(offset);

        // don't animate if the zoom origin isn't within one screen from the current center, unless forced
        if (options.animate !== true && !this.getSize().contains(offset)) { return false; }

        this
            .fire('movestart')
            .fire('zoomstart');

        this._animateZoom(center, zoom, origin, scale);

        return true;
},

_animateZoom: function (center, zoom, origin, scale, delta) {

        this._animatingZoom = true;

        // put transform transition on all layers with leaflet-zoom-animated class
        L.DomUtil.addClass(this._mapPane, 'leaflet-zoom-anim');

        // remember what center/zoom to set after animation
        this._animateToCenter = center;
        this._animateToZoom = zoom;

        // disable any dragging during animation
        if (L.Draggable) {
                L.Draggable._disabled = true;
        }

        this.fire('zoomanim', {
                center: center,
                zoom: zoom,
                origin: origin,
                scale: scale,
                delta: delta
        });
},

_onZoomTransitionEnd: function () {

        this._animatingZoom = false;

        L.DomUtil.removeClass(this._mapPane, 'leaflet-zoom-anim');

        this._resetView(this._animateToCenter, this._animateToZoom, true, true);

        if (L.Draggable) {
                L.Draggable._disabled = false;
        }
}

});

/*

Zoom animation logic for L.TileLayer.

*/

L.TileLayer.include({

_animateZoom: function (e) {
        var firstFrame = false;

        if (!this._animating) {
                this._animating = true;
                firstFrame = true;
        }

        if (firstFrame) {
                this._prepareBgBuffer();
        }

        var bg = this._bgBuffer;

        if (firstFrame) {
                //prevent bg buffer from clearing right after zoom
                clearTimeout(this._clearBgBufferTimer);

                // hack to make sure transform is updated before running animation
                L.Util.falseFn(bg.offsetWidth);
        }

        var transform = L.DomUtil.TRANSFORM,
            initialTransform = e.delta ? L.DomUtil.getTranslateString(e.delta) : bg.style[transform];

        bg.style[transform] = initialTransform + ' ' + L.DomUtil.getScaleString(e.scale, e.origin);
},

_endZoomAnim: function () {
        var front = this._tileContainer,
            bg = this._bgBuffer;

        front.style.visibility = '';
        front.style.zIndex = 2;

        bg.style.zIndex = 1;

        // force reflow
        L.Util.falseFn(bg.offsetWidth);

        this._animating = false;
},

_clearBgBuffer: function () {
        var map = this._map;

        if (map && !map._animatingZoom && !map.touchZoom._zooming) {
                this._bgBuffer.innerHTML = '';
                this._bgBuffer.style[L.DomUtil.TRANSFORM] = '';
        }
},

_prepareBgBuffer: function () {

        var front = this._tileContainer,
            bg = this._bgBuffer;

        // if foreground layer doesn't have many tiles but bg layer does,
        // keep the existing bg layer and just zoom it some more

        var bgLoaded = this._getLoadedTilesPercentage(bg),
            frontLoaded = this._getLoadedTilesPercentage(front);

        if (bg && bgLoaded > 0.5 && frontLoaded < 0.5) {

                front.style.visibility = 'hidden';
                this._stopLoadingImages(front);
                return;
        }

        // prepare the buffer to become the front tile pane
        bg.style.visibility = 'hidden';
        bg.style[L.DomUtil.TRANSFORM] = '';

        // switch out the current layer to be the new bg layer (and vice-versa)
        this._tileContainer = bg;
        bg = this._bgBuffer = front;

        this._stopLoadingImages(bg);
},

_getLoadedTilesPercentage: function (container) {
        var tiles = container.getElementsByTagName('img'),
            i, len, count = 0;

        for (i = 0, len = tiles.length; i < len; i++) {
                if (tiles[i].complete) {
                        count++;
                }
        }
        return count / len;
},

// stops loading all tiles in the background layer
_stopLoadingImages: function (container) {
        var tiles = Array.prototype.slice.call(container.getElementsByTagName('img')),
            i, len, tile;

        for (i = 0, len = tiles.length; i < len; i++) {
                tile = tiles[i];

                if (!tile.complete) {
                        tile.onload = L.Util.falseFn;
                        tile.onerror = L.Util.falseFn;
                        tile.src = L.Util.emptyImageUrl;

                        tile.parentNode.removeChild(tile);
                }
        }
}

});

/*

* Provides L.Map with convenient shortcuts for using browser geolocation features.
*/

L.Map.include({

_defaultLocateOptions: {
        watch: false,
        setView: false,
        maxZoom: Infinity,
        timeout: 10000,
        maximumAge: 0,
        enableHighAccuracy: false
},

locate: function (/*Object*/ options) {

        options = this._locateOptions = L.extend(this._defaultLocateOptions, options);

        if (!navigator.geolocation) {
                this._handleGeolocationError({
                        code: 0,
                        message: 'Geolocation not supported.'
                });
                return this;
        }

        var onResponse = L.bind(this._handleGeolocationResponse, this),
                onError = L.bind(this._handleGeolocationError, this);

        if (options.watch) {
                this._locationWatchId =
                        navigator.geolocation.watchPosition(onResponse, onError, options);
        } else {
                navigator.geolocation.getCurrentPosition(onResponse, onError, options);
        }
        return this;
},

stopLocate: function () {
        if (navigator.geolocation) {
                navigator.geolocation.clearWatch(this._locationWatchId);
        }
        if (this._locateOptions) {
                this._locateOptions.setView = false;
        }
        return this;
},

_handleGeolocationError: function (error) {
        var c = error.code,
            message = error.message ||
                    (c === 1 ? 'permission denied' :
                    (c === 2 ? 'position unavailable' : 'timeout'));

        if (this._locateOptions.setView && !this._loaded) {
                this.fitWorld();
        }

        this.fire('locationerror', {
                code: c,
                message: 'Geolocation error: ' + message + '.'
        });
},

_handleGeolocationResponse: function (pos) {
        var lat = pos.coords.latitude,
            lng = pos.coords.longitude,
            latlng = new L.LatLng(lat, lng),

            latAccuracy = 180 * pos.coords.accuracy / 40075017,
            lngAccuracy = latAccuracy / Math.cos(L.LatLng.DEG_TO_RAD * lat),

            bounds = L.latLngBounds(
                    [lat - latAccuracy, lng - lngAccuracy],
                    [lat + latAccuracy, lng + lngAccuracy]),

            options = this._locateOptions;

        if (options.setView) {
                var zoom = Math.min(this.getBoundsZoom(bounds), options.maxZoom);
                this.setView(latlng, zoom);
        }

        var event = L.extend({
                latlng: latlng,
                bounds: bounds
        }, pos.coords);

        this.fire('locationfound', event);
}

});

}(window, document));