/* =========================================================

* bootstrap-datepicker.js
* Repo: https://github.com/eternicode/bootstrap-datepicker/
* Demo: http://eternicode.github.io/bootstrap-datepicker/
* Docs: http://bootstrap-datepicker.readthedocs.org/
* Forked from http://www.eyecon.ro/bootstrap-datepicker
* =========================================================
* Started by Stefan Petre; improvements by Andrew Rowls + contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================= */

(function($, undefined){

var $window = $(window);

function UTCDate(){
        return new Date(Date.UTC.apply(Date, arguments));
}
function UTCToday(){
        var today = new Date();
        return UTCDate(today.getFullYear(), today.getMonth(), today.getDate());
}
function alias(method){
        return function(){
                return this[method].apply(this, arguments);
        };
}

var DateArray = (function(){
        var extras = {
                get: function(i){
                        return this.slice(i)[0];
                },
                contains: function(d){
                        // Array.indexOf is not cross-browser;
                        // $.inArray doesn't work with Dates
                        var val = d && d.valueOf();
                        for (var i=0, l=this.length; i < l; i++)
                                if (this[i].valueOf() === val)
                                        return i;
                        return -1;
                },
                remove: function(i){
                        this.splice(i,1);
                },
                replace: function(new_array){
                        if (!new_array)
                                return;
                        if (!$.isArray(new_array))
                                new_array = [new_array];
                        this.clear();
                        this.push.apply(this, new_array);
                },
                clear: function(){
                        this.splice(0);
                },
                copy: function(){
                        var a = new DateArray();
                        a.replace(this);
                        return a;
                }
        };

        return function(){
                var a = [];
                a.push.apply(a, arguments);
                $.extend(a, extras);
                return a;
        };
})();

// Picker object

var Datepicker = function(element, options){
        this.dates = new DateArray();
        this.viewDate = UTCToday();
        this.focusDate = null;

        this._process_options(options);

        this.element = $(element);
        this.isInline = false;
        this.isInput = this.element.is('input');
        this.component = this.element.is('.date') ? this.element.find('.add-on, .input-group-addon, .btn') : false;
        this.hasInput = this.component && this.element.find('input').length;
        if (this.component && this.component.length === 0)
                this.component = false;

        this.picker = $(DPGlobal.template);
        this._buildEvents();
        this._attachEvents();

        if (this.isInline){
                this.picker.addClass('datepicker-inline').appendTo(this.element);
        }
        else {
                this.picker.addClass('datepicker-dropdown dropdown-menu');
        }

        if (this.o.rtl){
                this.picker.addClass('datepicker-rtl');
        }

        this.viewMode = this.o.startView;

        if (this.o.calendarWeeks)
                this.picker.find('tfoot th.today')
                                        .attr('colspan', function(i, val){
                                                return parseInt(val) + 1;
                                        });

        this._allow_update = false;

        this.setStartDate(this._o.startDate);
        this.setEndDate(this._o.endDate);
        this.setDaysOfWeekDisabled(this.o.daysOfWeekDisabled);

        this.fillDow();
        this.fillMonths();

        this._allow_update = true;

        this.update();
        this.showMode();

        if (this.isInline){
                this.show();
        }
};

Datepicker.prototype = {
        constructor: Datepicker,

        _process_options: function(opts){
                // Store raw options for reference
                this._o = $.extend({}, this._o, opts);
                // Processed options
                var o = this.o = $.extend({}, this._o);

                // Check if "de-DE" style date is available, if not language should
                // fallback to 2 letter code eg "de"
                var lang = o.language;
                if (!dates[lang]){
                        lang = lang.split('-')[0];
                        if (!dates[lang])
                                lang = defaults.language;
                }
                o.language = lang;

                switch (o.startView){
                        case 2:
                        case 'decade':
                                o.startView = 2;
                                break;
                        case 1:
                        case 'year':
                                o.startView = 1;
                                break;
                        default:
                                o.startView = 0;
                }

                switch (o.minViewMode){
                        case 1:
                        case 'months':
                                o.minViewMode = 1;
                                break;
                        case 2:
                        case 'years':
                                o.minViewMode = 2;
                                break;
                        default:
                                o.minViewMode = 0;
                }

                o.startView = Math.max(o.startView, o.minViewMode);

                // true, false, or Number > 0
                if (o.multidate !== true){
                        o.multidate = Number(o.multidate) || false;
                        if (o.multidate !== false)
                                o.multidate = Math.max(0, o.multidate);
                        else
                                o.multidate = 1;
                }
                o.multidateSeparator = String(o.multidateSeparator);

                o.weekStart %= 7;
                o.weekEnd = ((o.weekStart + 6) % 7);

                var format = DPGlobal.parseFormat(o.format);
                if (o.startDate !== -Infinity){
                        if (!!o.startDate){
                                if (o.startDate instanceof Date)
                                        o.startDate = this._local_to_utc(this._zero_time(o.startDate));
                                else
                                        o.startDate = DPGlobal.parseDate(o.startDate, format, o.language);
                        }
                        else {
                                o.startDate = -Infinity;
                        }
                }
                if (o.endDate !== Infinity){
                        if (!!o.endDate){
                                if (o.endDate instanceof Date)
                                        o.endDate = this._local_to_utc(this._zero_time(o.endDate));
                                else
                                        o.endDate = DPGlobal.parseDate(o.endDate, format, o.language);
                        }
                        else {
                                o.endDate = Infinity;
                        }
                }

                o.daysOfWeekDisabled = o.daysOfWeekDisabled||[];
                if (!$.isArray(o.daysOfWeekDisabled))
                        o.daysOfWeekDisabled = o.daysOfWeekDisabled.split(/[,\s]*/);
                o.daysOfWeekDisabled = $.map(o.daysOfWeekDisabled, function(d){
                        return parseInt(d, 10);
                });

                var plc = String(o.orientation).toLowerCase().split(/\s+/g),
                        _plc = o.orientation.toLowerCase();
                plc = $.grep(plc, function(word){
                        return (/^auto|left|right|top|bottom$/).test(word);
                });
                o.orientation = {x: 'auto', y: 'auto'};
                if (!_plc || _plc === 'auto')
                        ; // no action
                else if (plc.length === 1){
                        switch (plc[0]){
                                case 'top':
                                case 'bottom':
                                        o.orientation.y = plc[0];
                                        break;
                                case 'left':
                                case 'right':
                                        o.orientation.x = plc[0];
                                        break;
                        }
                }
                else {
                        _plc = $.grep(plc, function(word){
                                return (/^left|right$/).test(word);
                        });
                        o.orientation.x = _plc[0] || 'auto';

                        _plc = $.grep(plc, function(word){
                                return (/^top|bottom$/).test(word);
                        });
                        o.orientation.y = _plc[0] || 'auto';
                }
        },
        _events: [],
        _secondaryEvents: [],
        _applyEvents: function(evs){
                for (var i=0, el, ch, ev; i < evs.length; i++){
                        el = evs[i][0];
                        if (evs[i].length === 2){
                                ch = undefined;
                                ev = evs[i][1];
                        }
                        else if (evs[i].length === 3){
                                ch = evs[i][1];
                                ev = evs[i][2];
                        }
                        el.on(ev, ch);
                }
        },
        _unapplyEvents: function(evs){
                for (var i=0, el, ev, ch; i < evs.length; i++){
                        el = evs[i][0];
                        if (evs[i].length === 2){
                                ch = undefined;
                                ev = evs[i][1];
                        }
                        else if (evs[i].length === 3){
                                ch = evs[i][1];
                                ev = evs[i][2];
                        }
                        el.off(ev, ch);
                }
        },
        _buildEvents: function(){
                if (this.isInput){ // single input
                        this._events = [
                                [this.element, {
                                        focus: $.proxy(this.show, this),
                                        keyup: $.proxy(function(e){
                                                if ($.inArray(e.keyCode, [27,37,39,38,40,32,13,9]) === -1)
                                                        this.update();
                                        }, this),
                                        keydown: $.proxy(this.keydown, this)
                                }]
                        ];
                }
                else if (this.component && this.hasInput){ // component: input + button
                        this._events = [
                                // For components that are not readonly, allow keyboard nav
                                [this.element.find('input'), {
                                        focus: $.proxy(this.show, this),
                                        keyup: $.proxy(function(e){
                                                if ($.inArray(e.keyCode, [27,37,39,38,40,32,13,9]) === -1)
                                                        this.update();
                                        }, this),
                                        keydown: $.proxy(this.keydown, this)
                                }],
                                [this.component, {
                                        click: $.proxy(this.show, this)
                                }]
                        ];
                }
                else if (this.element.is('div')){  // inline datepicker
                        this.isInline = true;
                }
                else {
                        this._events = [
                                [this.element, {
                                        click: $.proxy(this.show, this)
                                }]
                        ];
                }
                this._events.push(
                        // Component: listen for blur on element descendants
                        [this.element, '*', {
                                blur: $.proxy(function(e){
                                        this._focused_from = e.target;
                                }, this)
                        }],
                        // Input: listen for blur on element
                        [this.element, {
                                blur: $.proxy(function(e){
                                        this._focused_from = e.target;
                                }, this)
                        }]
                );

                this._secondaryEvents = [
                        [this.picker, {
                                click: $.proxy(this.click, this)
                        }],
                        [$(window), {
                                resize: $.proxy(this.place, this)
                        }],
                        [$(document), {
                                'mousedown touchstart': $.proxy(function(e){
                                        // Clicked outside the datepicker, hide it
                                        if (!(
                                                this.element.is(e.target) ||
                                                this.element.find(e.target).length ||
                                                this.picker.is(e.target) ||
                                                this.picker.find(e.target).length
                                        )){
                                                this.hide();
                                        }
                                }, this)
                        }]
                ];
        },
        _attachEvents: function(){
                this._detachEvents();
                this._applyEvents(this._events);
        },
        _detachEvents: function(){
                this._unapplyEvents(this._events);
        },
        _attachSecondaryEvents: function(){
                this._detachSecondaryEvents();
                this._applyEvents(this._secondaryEvents);
        },
        _detachSecondaryEvents: function(){
                this._unapplyEvents(this._secondaryEvents);
        },
        _trigger: function(event, altdate){
                var date = altdate || this.dates.get(-1),
                        local_date = this._utc_to_local(date);

                this.element.trigger({
                        type: event,
                        date: local_date,
                        dates: $.map(this.dates, this._utc_to_local),
                        format: $.proxy(function(ix, format){
                                if (arguments.length === 0){
                                        ix = this.dates.length - 1;
                                        format = this.o.format;
                                }
                                else if (typeof ix === 'string'){
                                        format = ix;
                                        ix = this.dates.length - 1;
                                }
                                format = format || this.o.format;
                                var date = this.dates.get(ix);
                                return DPGlobal.formatDate(date, format, this.o.language);
                        }, this)
                });
        },

        show: function(){
                if (!this.isInline)
                        this.picker.appendTo('body');
                this.picker.show();
                this.place();
                this._attachSecondaryEvents();
                this._trigger('show');
        },

        hide: function(){
                if (this.isInline)
                        return;
                if (!this.picker.is(':visible'))
                        return;
                this.focusDate = null;
                this.picker.hide().detach();
                this._detachSecondaryEvents();
                this.viewMode = this.o.startView;
                this.showMode();

                if (
                        this.o.forceParse &&
                        (
                                this.isInput && this.element.val() ||
                                this.hasInput && this.element.find('input').val()
                        )
                )
                        this.setValue();
                this._trigger('hide');
        },

        remove: function(){
                this.hide();
                this._detachEvents();
                this._detachSecondaryEvents();
                this.picker.remove();
                delete this.element.data().datepicker;
                if (!this.isInput){
                        delete this.element.data().date;
                }
        },

        _utc_to_local: function(utc){
                return utc && new Date(utc.getTime() + (utc.getTimezoneOffset()*60000));
        },
        _local_to_utc: function(local){
                return local && new Date(local.getTime() - (local.getTimezoneOffset()*60000));
        },
        _zero_time: function(local){
                return local && new Date(local.getFullYear(), local.getMonth(), local.getDate());
        },
        _zero_utc_time: function(utc){
                return utc && new Date(Date.UTC(utc.getUTCFullYear(), utc.getUTCMonth(), utc.getUTCDate()));
        },

        getDates: function(){
                return $.map(this.dates, this._utc_to_local);
        },

        getUTCDates: function(){
                return $.map(this.dates, function(d){
                        return new Date(d);
                });
        },

        getDate: function(){
                return this._utc_to_local(this.getUTCDate());
        },

        getUTCDate: function(){
                return new Date(this.dates.get(-1));
        },

        setDates: function(){
                var args = $.isArray(arguments[0]) ? arguments[0] : arguments;
                this.update.apply(this, args);
                this._trigger('changeDate');
                this.setValue();
        },

        setUTCDates: function(){
                var args = $.isArray(arguments[0]) ? arguments[0] : arguments;
                this.update.apply(this, $.map(args, this._utc_to_local));
                this._trigger('changeDate');
                this.setValue();
        },

        setDate: alias('setDates'),
        setUTCDate: alias('setUTCDates'),

        setValue: function(){
                var formatted = this.getFormattedDate();
                if (!this.isInput){
                        if (this.component){
                                this.element.find('input').val(formatted).change();
                        }
                }
                else {
                        this.element.val(formatted).change();
                }
        },

        getFormattedDate: function(format){
                if (format === undefined)
                        format = this.o.format;

                var lang = this.o.language;
                return $.map(this.dates, function(d){
                        return DPGlobal.formatDate(d, format, lang);
                }).join(this.o.multidateSeparator);
        },

        setStartDate: function(startDate){
                this._process_options({startDate: startDate});
                this.update();
                this.updateNavArrows();
        },

        setEndDate: function(endDate){
                this._process_options({endDate: endDate});
                this.update();
                this.updateNavArrows();
        },

        setDaysOfWeekDisabled: function(daysOfWeekDisabled){
                this._process_options({daysOfWeekDisabled: daysOfWeekDisabled});
                this.update();
                this.updateNavArrows();
        },

        place: function(){
                if (this.isInline)
                        return;
                var calendarWidth = this.picker.outerWidth(),
                        calendarHeight = this.picker.outerHeight(),
                        visualPadding = 10,
                        windowWidth = $window.width(),
                        windowHeight = $window.height(),
                        scrollTop = $window.scrollTop();

                var zIndex = parseInt(this.element.parents().filter(function(){
                                return $(this).css('z-index') !== 'auto';
                        }).first().css('z-index'))+10;
                var offset = this.component ? this.component.parent().offset() : this.element.offset();
                var height = this.component ? this.component.outerHeight(true) : this.element.outerHeight(false);
                var width = this.component ? this.component.outerWidth(true) : this.element.outerWidth(false);
                var left = offset.left,
                        top = offset.top;

                this.picker.removeClass(
                        'datepicker-orient-top datepicker-orient-bottom '+
                        'datepicker-orient-right datepicker-orient-left'
                );

                if (this.o.orientation.x !== 'auto'){
                        this.picker.addClass('datepicker-orient-' + this.o.orientation.x);
                        if (this.o.orientation.x === 'right')
                                left -= calendarWidth - width;
                }
                // auto x orientation is best-placement: if it crosses a window
                // edge, fudge it sideways
                else {
                        // Default to left
                        this.picker.addClass('datepicker-orient-left');
                        if (offset.left < 0)
                                left -= offset.left - visualPadding;
                        else if (offset.left + calendarWidth > windowWidth)
                                left = windowWidth - calendarWidth - visualPadding;
                }

                // auto y orientation is best-situation: top or bottom, no fudging,
                // decision based on which shows more of the calendar
                var yorient = this.o.orientation.y,
                        top_overflow, bottom_overflow;
                if (yorient === 'auto'){
                        top_overflow = -scrollTop + offset.top - calendarHeight;
                        bottom_overflow = scrollTop + windowHeight - (offset.top + height + calendarHeight);
                        if (Math.max(top_overflow, bottom_overflow) === bottom_overflow)
                                yorient = 'top';
                        else
                                yorient = 'bottom';
                }
                this.picker.addClass('datepicker-orient-' + yorient);
                if (yorient === 'top')
                        top += height;
                else
                        top -= calendarHeight + parseInt(this.picker.css('padding-top'));

                this.picker.css({
                        top: top,
                        left: left,
                        zIndex: zIndex
                });
        },

        _allow_update: true,
        update: function(){
                if (!this._allow_update)
                        return;

                var oldDates = this.dates.copy(),
                        dates = [],
                        fromArgs = false;
                if (arguments.length){
                        $.each(arguments, $.proxy(function(i, date){
                                if (date instanceof Date)
                                        date = this._local_to_utc(date);
                                dates.push(date);
                        }, this));
                        fromArgs = true;
                }
                else {
                        dates = this.isInput
                                        ? this.element.val()
                                        : this.element.data('date') || this.element.find('input').val();
                        if (dates && this.o.multidate)
                                dates = dates.split(this.o.multidateSeparator);
                        else
                                dates = [dates];
                        delete this.element.data().date;
                }

                dates = $.map(dates, $.proxy(function(date){
                        return DPGlobal.parseDate(date, this.o.format, this.o.language);
                }, this));
                dates = $.grep(dates, $.proxy(function(date){
                        return (
                                date < this.o.startDate ||
                                date > this.o.endDate ||
                                !date
                        );
                }, this), true);
                this.dates.replace(dates);

                if (this.dates.length)
                        this.viewDate = new Date(this.dates.get(-1));
                else if (this.viewDate < this.o.startDate)
                        this.viewDate = new Date(this.o.startDate);
                else if (this.viewDate > this.o.endDate)
                        this.viewDate = new Date(this.o.endDate);

                if (fromArgs){
                        // setting date by clicking
                        this.setValue();
                }
                else if (dates.length){
                        // setting date by typing
                        if (String(oldDates) !== String(this.dates))
                                this._trigger('changeDate');
                }
                if (!this.dates.length && oldDates.length)
                        this._trigger('clearDate');

                this.fill();
        },

        fillDow: function(){
                var dowCnt = this.o.weekStart,
                        html = '<tr>';
                if (this.o.calendarWeeks){
                        var cell = '<th class="cw">&nbsp;</th>';
                        html += cell;
                        this.picker.find('.datepicker-days thead tr:first-child').prepend(cell);
                }
                while (dowCnt < this.o.weekStart + 7){
                        html += '<th class="dow">'+dates[this.o.language].daysMin[(dowCnt++)%7]+'</th>';
                }
                html += '</tr>';
                this.picker.find('.datepicker-days thead').append(html);
        },

        fillMonths: function(){
                var html = '',
                i = 0;
                while (i < 12){
                        html += '<span class="month">'+dates[this.o.language].monthsShort[i++]+'</span>';
                }
                this.picker.find('.datepicker-months td').html(html);
        },

        setRange: function(range){
                if (!range || !range.length)
                        delete this.range;
                else
                        this.range = $.map(range, function(d){
                                return d.valueOf();
                        });
                this.fill();
        },

        getClassNames: function(date){
                var cls = [],
                        year = this.viewDate.getUTCFullYear(),
                        month = this.viewDate.getUTCMonth(),
                        today = new Date();
                if (date.getUTCFullYear() < year || (date.getUTCFullYear() === year && date.getUTCMonth() < month)){
                        cls.push('old');
                }
                else if (date.getUTCFullYear() > year || (date.getUTCFullYear() === year && date.getUTCMonth() > month)){
                        cls.push('new');
                }
                if (this.focusDate && date.valueOf() === this.focusDate.valueOf())
                        cls.push('focused');
                // Compare internal UTC date with local today, not UTC today
                if (this.o.todayHighlight &&
                        date.getUTCFullYear() === today.getFullYear() &&
                        date.getUTCMonth() === today.getMonth() &&
                        date.getUTCDate() === today.getDate()){
                        cls.push('today');
                }
                if (this.dates.contains(date) !== -1)
                        cls.push('active');
                if (date.valueOf() < this.o.startDate || date.valueOf() > this.o.endDate ||
                        $.inArray(date.getUTCDay(), this.o.daysOfWeekDisabled) !== -1){
                        cls.push('disabled');
                }
                if (this.range){
                        if (date > this.range[0] && date < this.range[this.range.length-1]){
                                cls.push('range');
                        }
                        if ($.inArray(date.valueOf(), this.range) !== -1){
                                cls.push('selected');
                        }
                }
                return cls;
        },

        fill: function(){
                var d = new Date(this.viewDate),
                        year = d.getUTCFullYear(),
                        month = d.getUTCMonth(),
                        startYear = this.o.startDate !== -Infinity ? this.o.startDate.getUTCFullYear() : -Infinity,
                        startMonth = this.o.startDate !== -Infinity ? this.o.startDate.getUTCMonth() : -Infinity,
                        endYear = this.o.endDate !== Infinity ? this.o.endDate.getUTCFullYear() : Infinity,
                        endMonth = this.o.endDate !== Infinity ? this.o.endDate.getUTCMonth() : Infinity,
                        todaytxt = dates[this.o.language].today || dates['en'].today || '',
                        cleartxt = dates[this.o.language].clear || dates['en'].clear || '',
                        tooltip;
                this.picker.find('.datepicker-days thead th.datepicker-switch')
                                        .text(dates[this.o.language].months[month]+' '+year);
                this.picker.find('tfoot th.today')
                                        .text(todaytxt)
                                        .toggle(this.o.todayBtn !== false);
                this.picker.find('tfoot th.clear')
                                        .text(cleartxt)
                                        .toggle(this.o.clearBtn !== false);
                this.updateNavArrows();
                this.fillMonths();
                var prevMonth = UTCDate(year, month-1, 28),
                        day = DPGlobal.getDaysInMonth(prevMonth.getUTCFullYear(), prevMonth.getUTCMonth());
                prevMonth.setUTCDate(day);
                prevMonth.setUTCDate(day - (prevMonth.getUTCDay() - this.o.weekStart + 7)%7);
                var nextMonth = new Date(prevMonth);
                nextMonth.setUTCDate(nextMonth.getUTCDate() + 42);
                nextMonth = nextMonth.valueOf();
                var html = [];
                var clsName;
                while (prevMonth.valueOf() < nextMonth){
                        if (prevMonth.getUTCDay() === this.o.weekStart){
                                html.push('<tr>');
                                if (this.o.calendarWeeks){
                                        // ISO 8601: First week contains first thursday.
                                        // ISO also states week starts on Monday, but we can be more abstract here.
                                        var
                                                // Start of current week: based on weekstart/current date
                                                ws = new Date(+prevMonth + (this.o.weekStart - prevMonth.getUTCDay() - 7) % 7 * 864e5),
                                                // Thursday of this week
                                                th = new Date(Number(ws) + (7 + 4 - ws.getUTCDay()) % 7 * 864e5),
                                                // First Thursday of year, year from thursday
                                                yth = new Date(Number(yth = UTCDate(th.getUTCFullYear(), 0, 1)) + (7 + 4 - yth.getUTCDay())%7*864e5),
                                                // Calendar week: ms between thursdays, div ms per day, div 7 days
                                                calWeek =  (th - yth) / 864e5 / 7 + 1;
                                        html.push('<td class="cw">'+ calWeek +'</td>');

                                }
                        }
                        clsName = this.getClassNames(prevMonth);
                        clsName.push('day');

                        if (this.o.beforeShowDay !== $.noop){
                                var before = this.o.beforeShowDay(this._utc_to_local(prevMonth));
                                if (before === undefined)
                                        before = {};
                                else if (typeof(before) === 'boolean')
                                        before = {enabled: before};
                                else if (typeof(before) === 'string')
                                        before = {classes: before};
                                if (before.enabled === false)
                                        clsName.push('disabled');
                                if (before.classes)
                                        clsName = clsName.concat(before.classes.split(/\s+/));
                                if (before.tooltip)
                                        tooltip = before.tooltip;
                        }

                        clsName = $.unique(clsName);
                        html.push('<td class="'+clsName.join(' ')+'"' + (tooltip ? ' title="'+tooltip+'"' : '') + '>'+prevMonth.getUTCDate() + '</td>');
                        if (prevMonth.getUTCDay() === this.o.weekEnd){
                                html.push('</tr>');
                        }
                        prevMonth.setUTCDate(prevMonth.getUTCDate()+1);
                }
                this.picker.find('.datepicker-days tbody').empty().append(html.join(''));

                var months = this.picker.find('.datepicker-months')
                                        .find('th:eq(1)')
                                                .text(year)
                                                .end()
                                        .find('span').removeClass('active');

                $.each(this.dates, function(i, d){
                        if (d.getUTCFullYear() === year)
                                months.eq(d.getUTCMonth()).addClass('active');
                });

                if (year < startYear || year > endYear){
                        months.addClass('disabled');
                }
                if (year === startYear){
                        months.slice(0, startMonth).addClass('disabled');
                }
                if (year === endYear){
                        months.slice(endMonth+1).addClass('disabled');
                }

                html = '';
                year = parseInt(year/10, 10) * 10;
                var yearCont = this.picker.find('.datepicker-years')
                                                        .find('th:eq(1)')
                                                                .text(year + '-' + (year + 9))
                                                                .end()
                                                        .find('td');
                year -= 1;
                var years = $.map(this.dates, function(d){
                                return d.getUTCFullYear();
                        }),
                        classes;
                for (var i = -1; i < 11; i++){
                        classes = ['year'];
                        if (i === -1)
                                classes.push('old');
                        else if (i === 10)
                                classes.push('new');
                        if ($.inArray(year, years) !== -1)
                                classes.push('active');
                        if (year < startYear || year > endYear)
                                classes.push('disabled');
                        html += '<span class="' + classes.join(' ') + '">'+year+'</span>';
                        year += 1;
                }
                yearCont.html(html);
        },

        updateNavArrows: function(){
                if (!this._allow_update)
                        return;

                var d = new Date(this.viewDate),
                        year = d.getUTCFullYear(),
                        month = d.getUTCMonth();
                switch (this.viewMode){
                        case 0:
                                if (this.o.startDate !== -Infinity && year <= this.o.startDate.getUTCFullYear() && month <= this.o.startDate.getUTCMonth()){
                                        this.picker.find('.prev').css({visibility: 'hidden'});
                                }
                                else {
                                        this.picker.find('.prev').css({visibility: 'visible'});
                                }
                                if (this.o.endDate !== Infinity && year >= this.o.endDate.getUTCFullYear() && month >= this.o.endDate.getUTCMonth()){
                                        this.picker.find('.next').css({visibility: 'hidden'});
                                }
                                else {
                                        this.picker.find('.next').css({visibility: 'visible'});
                                }
                                break;
                        case 1:
                        case 2:
                                if (this.o.startDate !== -Infinity && year <= this.o.startDate.getUTCFullYear()){
                                        this.picker.find('.prev').css({visibility: 'hidden'});
                                }
                                else {
                                        this.picker.find('.prev').css({visibility: 'visible'});
                                }
                                if (this.o.endDate !== Infinity && year >= this.o.endDate.getUTCFullYear()){
                                        this.picker.find('.next').css({visibility: 'hidden'});
                                }
                                else {
                                        this.picker.find('.next').css({visibility: 'visible'});
                                }
                                break;
                }
        },

        click: function(e){
                e.preventDefault();
                var target = $(e.target).closest('span, td, th'),
                        year, month, day;
                if (target.length === 1){
                        switch (target[0].nodeName.toLowerCase()){
                                case 'th':
                                        switch (target[0].className){
                                                case 'datepicker-switch':
                                                        this.showMode(1);
                                                        break;
                                                case 'prev':
                                                case 'next':
                                                        var dir = DPGlobal.modes[this.viewMode].navStep * (target[0].className === 'prev' ? -1 : 1);
                                                        switch (this.viewMode){
                                                                case 0:
                                                                        this.viewDate = this.moveMonth(this.viewDate, dir);
                                                                        this._trigger('changeMonth', this.viewDate);
                                                                        break;
                                                                case 1:
                                                                case 2:
                                                                        this.viewDate = this.moveYear(this.viewDate, dir);
                                                                        if (this.viewMode === 1)
                                                                                this._trigger('changeYear', this.viewDate);
                                                                        break;
                                                        }
                                                        this.fill();
                                                        break;
                                                case 'today':
                                                        var date = new Date();
                                                        date = UTCDate(date.getFullYear(), date.getMonth(), date.getDate(), 0, 0, 0);

                                                        this.showMode(-2);
                                                        var which = this.o.todayBtn === 'linked' ? null : 'view';
                                                        this._setDate(date, which);
                                                        break;
                                                case 'clear':
                                                        var element;
                                                        if (this.isInput)
                                                                element = this.element;
                                                        else if (this.component)
                                                                element = this.element.find('input');
                                                        if (element)
                                                                element.val("").change();
                                                        this.update();
                                                        this._trigger('changeDate');
                                                        if (this.o.autoclose)
                                                                this.hide();
                                                        break;
                                        }
                                        break;
                                case 'span':
                                        if (!target.is('.disabled')){
                                                this.viewDate.setUTCDate(1);
                                                if (target.is('.month')){
                                                        day = 1;
                                                        month = target.parent().find('span').index(target);
                                                        year = this.viewDate.getUTCFullYear();
                                                        this.viewDate.setUTCMonth(month);
                                                        this._trigger('changeMonth', this.viewDate);
                                                        if (this.o.minViewMode === 1){
                                                                this._setDate(UTCDate(year, month, day));
                                                        }
                                                }
                                                else {
                                                        day = 1;
                                                        month = 0;
                                                        year = parseInt(target.text(), 10)||0;
                                                        this.viewDate.setUTCFullYear(year);
                                                        this._trigger('changeYear', this.viewDate);
                                                        if (this.o.minViewMode === 2){
                                                                this._setDate(UTCDate(year, month, day));
                                                        }
                                                }
                                                this.showMode(-1);
                                                this.fill();
                                        }
                                        break;
                                case 'td':
                                        if (target.is('.day') && !target.is('.disabled')){
                                                day = parseInt(target.text(), 10)||1;
                                                year = this.viewDate.getUTCFullYear();
                                                month = this.viewDate.getUTCMonth();
                                                if (target.is('.old')){
                                                        if (month === 0){
                                                                month = 11;
                                                                year -= 1;
                                                        }
                                                        else {
                                                                month -= 1;
                                                        }
                                                }
                                                else if (target.is('.new')){
                                                        if (month === 11){
                                                                month = 0;
                                                                year += 1;
                                                        }
                                                        else {
                                                                month += 1;
                                                        }
                                                }
                                                this._setDate(UTCDate(year, month, day));
                                        }
                                        break;
                        }
                }
                if (this.picker.is(':visible') && this._focused_from){
                        $(this._focused_from).focus();
                }
                delete this._focused_from;
        },

        _toggle_multidate: function(date){
                var ix = this.dates.contains(date);
                if (!date){
                        this.dates.clear();
                }
                else if (ix !== -1){
                        this.dates.remove(ix);
                }
                else {
                        this.dates.push(date);
                }
                if (typeof this.o.multidate === 'number')
                        while (this.dates.length > this.o.multidate)
                                this.dates.remove(0);
        },

        _setDate: function(date, which){
                if (!which || which === 'date')
                        this._toggle_multidate(date && new Date(date));
                if (!which || which  === 'view')
                        this.viewDate = date && new Date(date);

                this.fill();
                this.setValue();
                this._trigger('changeDate');
                var element;
                if (this.isInput){
                        element = this.element;
                }
                else if (this.component){
                        element = this.element.find('input');
                }
                if (element){
                        element.change();
                }
                if (this.o.autoclose && (!which || which === 'date')){
                        this.hide();
                }
        },

        moveMonth: function(date, dir){
                if (!date)
                        return undefined;
                if (!dir)
                        return date;
                var new_date = new Date(date.valueOf()),
                        day = new_date.getUTCDate(),
                        month = new_date.getUTCMonth(),
                        mag = Math.abs(dir),
                        new_month, test;
                dir = dir > 0 ? 1 : -1;
                if (mag === 1){
                        test = dir === -1
                                // If going back one month, make sure month is not current month
                                // (eg, Mar 31 -> Feb 31 == Feb 28, not Mar 02)
                                ? function(){
                                        return new_date.getUTCMonth() === month;
                                }
                                // If going forward one month, make sure month is as expected
                                // (eg, Jan 31 -> Feb 31 == Feb 28, not Mar 02)
                                : function(){
                                        return new_date.getUTCMonth() !== new_month;
                                };
                        new_month = month + dir;
                        new_date.setUTCMonth(new_month);
                        // Dec -> Jan (12) or Jan -> Dec (-1) -- limit expected date to 0-11
                        if (new_month < 0 || new_month > 11)
                                new_month = (new_month + 12) % 12;
                }
                else {
                        // For magnitudes >1, move one month at a time...
                        for (var i=0; i < mag; i++)
                                // ...which might decrease the day (eg, Jan 31 to Feb 28, etc)...
                                new_date = this.moveMonth(new_date, dir);
                        // ...then reset the day, keeping it in the new month
                        new_month = new_date.getUTCMonth();
                        new_date.setUTCDate(day);
                        test = function(){
                                return new_month !== new_date.getUTCMonth();
                        };
                }
                // Common date-resetting loop -- if date is beyond end of month, make it
                // end of month
                while (test()){
                        new_date.setUTCDate(--day);
                        new_date.setUTCMonth(new_month);
                }
                return new_date;
        },

        moveYear: function(date, dir){
                return this.moveMonth(date, dir*12);
        },

        dateWithinRange: function(date){
                return date >= this.o.startDate && date <= this.o.endDate;
        },

        keydown: function(e){
                if (this.picker.is(':not(:visible)')){
                        if (e.keyCode === 27) // allow escape to hide and re-show picker
                                this.show();
                        return;
                }
                var dateChanged = false,
                        dir, newDate, newViewDate,
                        focusDate = this.focusDate || this.viewDate;
                switch (e.keyCode){
                        case 27: // escape
                                if (this.focusDate){
                                        this.focusDate = null;
                                        this.viewDate = this.dates.get(-1) || this.viewDate;
                                        this.fill();
                                }
                                else
                                        this.hide();
                                e.preventDefault();
                                break;
                        case 37: // left
                        case 39: // right
                                if (!this.o.keyboardNavigation)
                                        break;
                                dir = e.keyCode === 37 ? -1 : 1;
                                if (e.ctrlKey){
                                        newDate = this.moveYear(this.dates.get(-1) || UTCToday(), dir);
                                        newViewDate = this.moveYear(focusDate, dir);
                                        this._trigger('changeYear', this.viewDate);
                                }
                                else if (e.shiftKey){
                                        newDate = this.moveMonth(this.dates.get(-1) || UTCToday(), dir);
                                        newViewDate = this.moveMonth(focusDate, dir);
                                        this._trigger('changeMonth', this.viewDate);
                                }
                                else {
                                        newDate = new Date(this.dates.get(-1) || UTCToday());
                                        newDate.setUTCDate(newDate.getUTCDate() + dir);
                                        newViewDate = new Date(focusDate);
                                        newViewDate.setUTCDate(focusDate.getUTCDate() + dir);
                                }
                                if (this.dateWithinRange(newDate)){
                                        this.focusDate = this.viewDate = newViewDate;
                                        this.setValue();
                                        this.fill();
                                        e.preventDefault();
                                }
                                break;
                        case 38: // up
                        case 40: // down
                                if (!this.o.keyboardNavigation)
                                        break;
                                dir = e.keyCode === 38 ? -1 : 1;
                                if (e.ctrlKey){
                                        newDate = this.moveYear(this.dates.get(-1) || UTCToday(), dir);
                                        newViewDate = this.moveYear(focusDate, dir);
                                        this._trigger('changeYear', this.viewDate);
                                }
                                else if (e.shiftKey){
                                        newDate = this.moveMonth(this.dates.get(-1) || UTCToday(), dir);
                                        newViewDate = this.moveMonth(focusDate, dir);
                                        this._trigger('changeMonth', this.viewDate);
                                }
                                else {
                                        newDate = new Date(this.dates.get(-1) || UTCToday());
                                        newDate.setUTCDate(newDate.getUTCDate() + dir * 7);
                                        newViewDate = new Date(focusDate);
                                        newViewDate.setUTCDate(focusDate.getUTCDate() + dir * 7);
                                }
                                if (this.dateWithinRange(newDate)){
                                        this.focusDate = this.viewDate = newViewDate;
                                        this.setValue();
                                        this.fill();
                                        e.preventDefault();
                                }
                                break;
                        case 32: // spacebar
                                // Spacebar is used in manually typing dates in some formats.
                                // As such, its behavior should not be hijacked.
                                break;
                        case 13: // enter
                                focusDate = this.focusDate || this.dates.get(-1) || this.viewDate;
                                this._toggle_multidate(focusDate);
                                dateChanged = true;
                                this.focusDate = null;
                                this.viewDate = this.dates.get(-1) || this.viewDate;
                                this.setValue();
                                this.fill();
                                if (this.picker.is(':visible')){
                                        e.preventDefault();
                                        if (this.o.autoclose)
                                                this.hide();
                                }
                                break;
                        case 9: // tab
                                this.focusDate = null;
                                this.viewDate = this.dates.get(-1) || this.viewDate;
                                this.fill();
                                this.hide();
                                break;
                }
                if (dateChanged){
                        if (this.dates.length)
                                this._trigger('changeDate');
                        else
                                this._trigger('clearDate');
                        var element;
                        if (this.isInput){
                                element = this.element;
                        }
                        else if (this.component){
                                element = this.element.find('input');
                        }
                        if (element){
                                element.change();
                        }
                }
        },

        showMode: function(dir){
                if (dir){
                        this.viewMode = Math.max(this.o.minViewMode, Math.min(2, this.viewMode + dir));
                }
                this.picker
                        .find('>div')
                        .hide()
                        .filter('.datepicker-'+DPGlobal.modes[this.viewMode].clsName)
                                .css('display', 'block');
                this.updateNavArrows();
        }
};

var DateRangePicker = function(element, options){
        this.element = $(element);
        this.inputs = $.map(options.inputs, function(i){
                return i.jquery ? i[0] : i;
        });
        delete options.inputs;

        $(this.inputs)
                .datepicker(options)
                .bind('changeDate', $.proxy(this.dateUpdated, this));

        this.pickers = $.map(this.inputs, function(i){
                return $(i).data('datepicker');
        });
        this.updateDates();
};
DateRangePicker.prototype = {
        updateDates: function(){
                this.dates = $.map(this.pickers, function(i){
                        return i.getUTCDate();
                });
                this.updateRanges();
        },
        updateRanges: function(){
                var range = $.map(this.dates, function(d){
                        return d.valueOf();
                });
                $.each(this.pickers, function(i, p){
                        p.setRange(range);
                });
        },
        dateUpdated: function(e){
                // `this.updating` is a workaround for preventing infinite recursion
                // between `changeDate` triggering and `setUTCDate` calling.  Until
                // there is a better mechanism.
                if (this.updating)
                        return;
                this.updating = true;

                var dp = $(e.target).data('datepicker'),
                        new_date = dp.getUTCDate(),
                        i = $.inArray(e.target, this.inputs),
                        l = this.inputs.length;
                if (i === -1)
                        return;

                $.each(this.pickers, function(i, p){
                        if (!p.getUTCDate())
                                p.setUTCDate(new_date);
                });

                if (new_date < this.dates[i]){
                        // Date being moved earlier/left
                        while (i >= 0 && new_date < this.dates[i]){
                                this.pickers[i--].setUTCDate(new_date);
                        }
                }
                else if (new_date > this.dates[i]){
                        // Date being moved later/right
                        while (i < l && new_date > this.dates[i]){
                                this.pickers[i++].setUTCDate(new_date);
                        }
                }
                this.updateDates();

                delete this.updating;
        },
        remove: function(){
                $.map(this.pickers, function(p){ p.remove(); });
                delete this.element.data().datepicker;
        }
};

function opts_from_el(el, prefix){
        // Derive options from element data-attrs
        var data = $(el).data(),
                out = {}, inkey,
                replace = new RegExp('^' + prefix.toLowerCase() + '([A-Z])');
        prefix = new RegExp('^' + prefix.toLowerCase());
        function re_lower(_,a){
                return a.toLowerCase();
        }
        for (var key in data)
                if (prefix.test(key)){
                        inkey = key.replace(replace, re_lower);
                        out[inkey] = data[key];
                }
        return out;
}

function opts_from_locale(lang){
        // Derive options from locale plugins
        var out = {};
        // Check if "de-DE" style date is available, if not language should
        // fallback to 2 letter code eg "de"
        if (!dates[lang]){
                lang = lang.split('-')[0];
                if (!dates[lang])
                        return;
        }
        var d = dates[lang];
        $.each(locale_opts, function(i,k){
                if (k in d)
                        out[k] = d[k];
        });
        return out;
}

var old = $.fn.datepicker;
$.fn.datepicker = function(option){
        var args = Array.apply(null, arguments);
        args.shift();
        var internal_return;
        this.each(function(){
                var $this = $(this),
                        data = $this.data('datepicker'),
                        options = typeof option === 'object' && option;
                if (!data){
                        var elopts = opts_from_el(this, 'date'),
                                // Preliminary otions
                                xopts = $.extend({}, defaults, elopts, options),
                                locopts = opts_from_locale(xopts.language),
                                // Options priority: js args, data-attrs, locales, defaults
                                opts = $.extend({}, defaults, locopts, elopts, options);
                        if ($this.is('.input-daterange') || opts.inputs){
                                var ropts = {
                                        inputs: opts.inputs || $this.find('input').toArray()
                                };
                                $this.data('datepicker', (data = new DateRangePicker(this, $.extend(opts, ropts))));
                        }
                        else {
                                $this.data('datepicker', (data = new Datepicker(this, opts)));
                        }
                }
                if (typeof option === 'string' && typeof data[option] === 'function'){
                        internal_return = data[option].apply(data, args);
                        if (internal_return !== undefined)
                                return false;
                }
        });
        if (internal_return !== undefined)
                return internal_return;
        else
                return this;
};

var defaults = $.fn.datepicker.defaults = {
        autoclose: false,
        beforeShowDay: $.noop,
        calendarWeeks: false,
        clearBtn: false,
        daysOfWeekDisabled: [],
        endDate: Infinity,
        forceParse: true,
        format: 'mm/dd/yyyy',
        keyboardNavigation: true,
        language: 'en',
        minViewMode: 0,
        multidate: false,
        multidateSeparator: ',',
        orientation: "auto",
        rtl: false,
        startDate: -Infinity,
        startView: 0,
        todayBtn: false,
        todayHighlight: false,
        weekStart: 0
};
var locale_opts = $.fn.datepicker.locale_opts = [
        'format',
        'rtl',
        'weekStart'
];
$.fn.datepicker.Constructor = Datepicker;
var dates = $.fn.datepicker.dates = {
        en: {
                days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"],
                daysShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"],
                daysMin: ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa", "Su"],
                months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
                monthsShort: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
                today: "Today",
                clear: "Clear"
        }
};

var DPGlobal = {
        modes: [
                {
                        clsName: 'days',
                        navFnc: 'Month',
                        navStep: 1
                },
                {
                        clsName: 'months',
                        navFnc: 'FullYear',
                        navStep: 1
                },
                {
                        clsName: 'years',
                        navFnc: 'FullYear',
                        navStep: 10
        }],
        isLeapYear: function(year){
                return (((year % 4 === 0) && (year % 100 !== 0)) || (year % 400 === 0));
        },
        getDaysInMonth: function(year, month){
                return [31, (DPGlobal.isLeapYear(year) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month];
        },
        validParts: /dd?|DD?|mm?|MM?|yy(?:yy)?/g,
        nonpunctuation: /[^ -\/:-@\[\u3400-\u9fff-`{-~\t\n\r]+/g,
        parseFormat: function(format){
                // IE treats \0 as a string end in inputs (truncating the value),
                // so it's a bad format delimiter, anyway
                var separators = format.replace(this.validParts, '\0').split('\0'),
                        parts = format.match(this.validParts);
                if (!separators || !separators.length || !parts || parts.length === 0){
                        throw new Error("Invalid date format.");
                }
                return {separators: separators, parts: parts};
        },
        parseDate: function(date, format, language){
                if (!date)
                        return undefined;
                if (date instanceof Date)
                        return date;
                if (typeof format === 'string')
                        format = DPGlobal.parseFormat(format);
                var part_re = /([\-+]\d+)([dmwy])/,
                        parts = date.match(/([\-+]\d+)([dmwy])/g),
                        part, dir, i;
                if (/^[\-+]\d+[dmwy]([\s,]+[\-+]\d+[dmwy])*$/.test(date)){
                        date = new Date();
                        for (i=0; i < parts.length; i++){
                                part = part_re.exec(parts[i]);
                                dir = parseInt(part[1]);
                                switch (part[2]){
                                        case 'd':
                                                date.setUTCDate(date.getUTCDate() + dir);
                                                break;
                                        case 'm':
                                                date = Datepicker.prototype.moveMonth.call(Datepicker.prototype, date, dir);
                                                break;
                                        case 'w':
                                                date.setUTCDate(date.getUTCDate() + dir * 7);
                                                break;
                                        case 'y':
                                                date = Datepicker.prototype.moveYear.call(Datepicker.prototype, date, dir);
                                                break;
                                }
                        }
                        return UTCDate(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate(), 0, 0, 0);
                }
                parts = date && date.match(this.nonpunctuation) || [];
                date = new Date();
                var parsed = {},
                        setters_order = ['yyyy', 'yy', 'M', 'MM', 'm', 'mm', 'd', 'dd'],
                        setters_map = {
                                yyyy: function(d,v){
                                        return d.setUTCFullYear(v);
                                },
                                yy: function(d,v){
                                        return d.setUTCFullYear(2000+v);
                                },
                                m: function(d,v){
                                        if (isNaN(d))
                                                return d;
                                        v -= 1;
                                        while (v < 0) v += 12;
                                        v %= 12;
                                        d.setUTCMonth(v);
                                        while (d.getUTCMonth() !== v)
                                                d.setUTCDate(d.getUTCDate()-1);
                                        return d;
                                },
                                d: function(d,v){
                                        return d.setUTCDate(v);
                                }
                        },
                        val, filtered;
                setters_map['M'] = setters_map['MM'] = setters_map['mm'] = setters_map['m'];
                setters_map['dd'] = setters_map['d'];
                date = UTCDate(date.getFullYear(), date.getMonth(), date.getDate(), 0, 0, 0);
                var fparts = format.parts.slice();
                // Remove noop parts
                if (parts.length !== fparts.length){
                        fparts = $(fparts).filter(function(i,p){
                                return $.inArray(p, setters_order) !== -1;
                        }).toArray();
                }
                // Process remainder
                function match_part(){
                        var m = this.slice(0, parts[i].length),
                                p = parts[i].slice(0, m.length);
                        return m === p;
                }
                if (parts.length === fparts.length){
                        var cnt;
                        for (i=0, cnt = fparts.length; i < cnt; i++){
                                val = parseInt(parts[i], 10);
                                part = fparts[i];
                                if (isNaN(val)){
                                        switch (part){
                                                case 'MM':
                                                        filtered = $(dates[language].months).filter(match_part);
                                                        val = $.inArray(filtered[0], dates[language].months) + 1;
                                                        break;
                                                case 'M':
                                                        filtered = $(dates[language].monthsShort).filter(match_part);
                                                        val = $.inArray(filtered[0], dates[language].monthsShort) + 1;
                                                        break;
                                        }
                                }
                                parsed[part] = val;
                        }
                        var _date, s;
                        for (i=0; i < setters_order.length; i++){
                                s = setters_order[i];
                                if (s in parsed && !isNaN(parsed[s])){
                                        _date = new Date(date);
                                        setters_map[s](_date, parsed[s]);
                                        if (!isNaN(_date))
                                                date = _date;
                                }
                        }
                }
                return date;
        },
        formatDate: function(date, format, language){
                if (!date)
                        return '';
                if (typeof format === 'string')
                        format = DPGlobal.parseFormat(format);
                var val = {
                        d: date.getUTCDate(),
                        D: dates[language].daysShort[date.getUTCDay()],
                        DD: dates[language].days[date.getUTCDay()],
                        m: date.getUTCMonth() + 1,
                        M: dates[language].monthsShort[date.getUTCMonth()],
                        MM: dates[language].months[date.getUTCMonth()],
                        yy: date.getUTCFullYear().toString().substring(2),
                        yyyy: date.getUTCFullYear()
                };
                val.dd = (val.d < 10 ? '0' : '') + val.d;
                val.mm = (val.m < 10 ? '0' : '') + val.m;
                date = [];
                var seps = $.extend([], format.separators);
                for (var i=0, cnt = format.parts.length; i <= cnt; i++){
                        if (seps.length)
                                date.push(seps.shift());
                        date.push(val[format.parts[i]]);
                }
                return date.join('');
        },
        headTemplate: '<thead>'+
                                                '<tr>'+
                                                        '<th class="prev">&laquo;</th>'+
                                                        '<th colspan="5" class="datepicker-switch"></th>'+
                                                        '<th class="next">&raquo;</th>'+
                                                '</tr>'+
                                        '</thead>',
        contTemplate: '<tbody><tr><td colspan="7"></td></tr></tbody>',
        footTemplate: '<tfoot>'+
                                                '<tr>'+
                                                        '<th colspan="7" class="today"></th>'+
                                                '</tr>'+
                                                '<tr>'+
                                                        '<th colspan="7" class="clear"></th>'+
                                                '</tr>'+
                                        '</tfoot>'
};
DPGlobal.template = '<div class="datepicker">'+
                                                '<div class="datepicker-days">'+
                                                        '<table class=" table-condensed">'+
                                                                DPGlobal.headTemplate+
                                                                '<tbody></tbody>'+
                                                                DPGlobal.footTemplate+
                                                        '</table>'+
                                                '</div>'+
                                                '<div class="datepicker-months">'+
                                                        '<table class="table-condensed">'+
                                                                DPGlobal.headTemplate+
                                                                DPGlobal.contTemplate+
                                                                DPGlobal.footTemplate+
                                                        '</table>'+
                                                '</div>'+
                                                '<div class="datepicker-years">'+
                                                        '<table class="table-condensed">'+
                                                                DPGlobal.headTemplate+
                                                                DPGlobal.contTemplate+
                                                                DPGlobal.footTemplate+
                                                        '</table>'+
                                                '</div>'+
                                        '</div>';

$.fn.datepicker.DPGlobal = DPGlobal;

/* DATEPICKER NO CONFLICT
* =================== */

$.fn.datepicker.noConflict = function(){
        $.fn.datepicker = old;
        return this;
};

/* DATEPICKER DATA-API
* ================== */

$(document).on(
        'focus.datepicker.data-api click.datepicker.data-api',
        '[data-provide="datepicker"]',
        function(e){
                var $this = $(this);
                if ($this.data('datepicker'))
                        return;
                e.preventDefault();
                // component click requires us to explicitly show it
                $this.datepicker('show');
        }
);
$(function(){
        $('[data-provide="datepicker-inline"]').datepicker();
});

}(window.jQuery));