<script type="text/javascript">
    /* =========================================================
     * bootstrap-datepicker.js
     * http://www.eyecon.ro/bootstrap-datepicker
     * =========================================================
     * Copyright 2012 Stefan Petre
     * Improvements by Andrew Rowls
     *
     * 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 ($) {

        var $window = $(window);

        function UTCDate() {
            return new Date(Date.UTC.apply(Date, arguments));
        }

        function UTCToday() {
            var today = new Date();
            return UTCDate(today.getUTCFullYear(), today.getUTCMonth(), today.getUTCDate());
        }


        // Picker object

        var Datepicker = function (element, options) {
            var that = this;

            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, .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.picker.find('.prev i, .next i')
                    .toggleClass('icon-arrow-left icon-arrow-right');
            }


            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);

                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, ev; i < evs.length; i++) {
                    el = evs[i][0];
                    ev = evs[i][1];
                    el.on(ev);
                }
            },
            _unapplyEvents: function (evs) {
                for (var i = 0, el, ev; i < evs.length; i++) {
                    el = evs[i][0];
                    ev = evs[i][1];
                    el.off(ev);
                }
            },
            _buildEvents: function () {
                if (this.isInput) { // single input
                    this._events = [
                        [this.element, {
                            focus: $.proxy(this.show, this),
                            keyup: $.proxy(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(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._secondaryEvents = [
                    [this.picker, {
                        click: $.proxy(this.click, this)
                    }],
                    [$(window), {
                        resize: $.proxy(this.place, this)
                    }],
                    [$(document), {
                        mousedown: $.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.date,
                    local_date = this._utc_to_local(date);

                this.element.trigger({
                    type: event,
                    date: local_date,
                    format: $.proxy(function (altformat) {
                        var format = altformat || this.o.format;
                        return DPGlobal.formatDate(date, format, this.o.language);
                    }, this)
                });
            },

            show: function (e) {
                if (!this.isInline)
                    this.picker.appendTo('body');
                this.picker.show();
                this.height = this.component ? this.component.outerHeight() : this.element.outerHeight();
                this.place();
                this._attachSecondaryEvents();
                if (e) {
                    e.preventDefault();
                }
                this._trigger('show');
            },

            hide: function (e) {
                if (this.isInline) return;
                if (!this.picker.is(':visible')) return;
                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 new Date(utc.getTime() + (utc.getTimezoneOffset() * 60000));
            },
            _local_to_utc: function (local) {
                return new Date(local.getTime() - (local.getTimezoneOffset() * 60000));
            },
            _zero_time: function (local) {
                return new Date(local.getFullYear(), local.getMonth(), local.getDate());
            },
            _zero_utc_time: function (utc) {
                return new Date(Date.UTC(utc.getUTCFullYear(), utc.getUTCMonth(), utc.getUTCDate()));
            },

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

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

            setDate: function (d) {
                this.setUTCDate(this._local_to_utc(d));
            },

            setUTCDate: function (d) {
                this.date = d;
                this.setValue();
            },

            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;
                return DPGlobal.formatDate(this.date, format, this.o.language);
            },

            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 oldDate = new Date(this.date),
                    date, fromArgs = false;
                if (arguments && arguments.length && (typeof arguments[0] === 'string' || arguments[0] instanceof Date)) {
                    date = arguments[0];
                    if (date instanceof Date)
                        date = this._local_to_utc(date);
                    fromArgs = true;
                } else {
                    date = this.isInput ? this.element.val() : this.element.data('date') || this.element.find('input').val();
                    delete this.element.data().date;
                }

                this.date = DPGlobal.parseDate(date, this.o.format, this.o.language);

                if (fromArgs) {
                    // setting date by clicking
                    this.setValue();
                } else if (date) {
                    // setting date by typing
                    if (oldDate.getTime() !== this.date.getTime())
                        this._trigger('changeDate');
                } else {
                    // clearing date
                    this._trigger('clearDate');
                }

                if (this.date < this.o.startDate) {
                    this.viewDate = new Date(this.o.startDate);
                    this.date = new Date(this.o.startDate);
                } else if (this.date > this.o.endDate) {
                    this.viewDate = new Date(this.o.endDate);
                    this.date = new Date(this.o.endDate);
                } else {
                    this.viewDate = new Date(this.date);
                    this.date = new Date(this.date);
                }
                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(),
                    currentDate = this.date.valueOf(),
                    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');
                }
                // 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 (currentDate && date.valueOf() == currentDate) {
                    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,
                    currentDate = this.date && this.date.valueOf(),
                    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(dates[this.o.language].today)
                    .toggle(this.o.todayBtn !== false);
                this.picker.find('tfoot th.clear')
                    .text(dates[this.o.language].clear)
                    .toggle(this.o.clearBtn !== false);
                this.updateNavArrows();
                this.fillMonths();
                var prevMonth = UTCDate(year, month - 1, 28, 0, 0, 0, 0),
                    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(+ws + (7 + 4 - ws.getUTCDay()) % 7 * 864e5),
                            // First Thursday of year, year from thursday
                                yth = new Date(+(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 currentYear = this.date && this.date.getUTCFullYear();

                var months = this.picker.find('.datepicker-months')
                    .find('th:eq(1)')
                    .text(year)
                    .end()
                    .find('span').removeClass('active');
                if (currentYear && currentYear == year) {
                    months.eq(this.date.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;
                for (var i = -1; i < 11; i++) {
                    html += '<span class="year' + (i == -1 ? ' old' : i == 10 ? ' new' : '') + (currentYear == year ? ' active' : '') + (year < startYear || year > endYear ? ' disabled' : '') + '">' + 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');
                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._trigger('changeDate');
                                    this.update();
                                    if (this.o.autoclose)
                                        this.hide();
                                    break;
                            }
                            break;
                        case 'span':
                            if (!target.is('.disabled')) {
                                this.viewDate.setUTCDate(1);
                                if (target.is('.month')) {
                                    var day = 1;
                                    var month = target.parent().find('span').index(target);
                                    var year = this.viewDate.getUTCFullYear();
                                    this.viewDate.setUTCMonth(month);
                                    this._trigger('changeMonth', this.viewDate);
                                    if (this.o.minViewMode === 1) {
                                        this._setDate(UTCDate(year, month, day, 0, 0, 0, 0));
                                    }
                                } else {
                                    var year = parseInt(target.text(), 10) || 0;
                                    var day = 1;
                                    var month = 0;
                                    this.viewDate.setUTCFullYear(year);
                                    this._trigger('changeYear', this.viewDate);
                                    if (this.o.minViewMode === 2) {
                                        this._setDate(UTCDate(year, month, day, 0, 0, 0, 0));
                                    }
                                }
                                this.showMode(-1);
                                this.fill();
                            }
                            break;
                        case 'td':
                            if (target.is('.day') && !target.is('.disabled')) {
                                var day = parseInt(target.text(), 10) || 1;
                                var 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, 0, 0, 0, 0));
                            }
                            break;
                    }
                }
            },

            _setDate: function (date, which) {
                if (!which || which == 'date')
                    this.date = new Date(date);
                if (!which || which == 'view')
                    this.viewDate = 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 (!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, day, month,
                    newDate, newViewDate;
                switch (e.keyCode) {
                    case 27: // escape
                        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.date, dir);
                            newViewDate = this.moveYear(this.viewDate, dir);
                            this._trigger('changeYear', this.viewDate);
                        } else if (e.shiftKey) {
                            newDate = this.moveMonth(this.date, dir);
                            newViewDate = this.moveMonth(this.viewDate, dir);
                            this._trigger('changeMonth', this.viewDate);
                        } else {
                            newDate = new Date(this.date);
                            newDate.setUTCDate(this.date.getUTCDate() + dir);
                            newViewDate = new Date(this.viewDate);
                            newViewDate.setUTCDate(this.viewDate.getUTCDate() + dir);
                        }
                        if (this.dateWithinRange(newDate)) {
                            this.date = newDate;
                            this.viewDate = newViewDate;
                            this.setValue();
                            this.update();
                            e.preventDefault();
                            dateChanged = true;
                        }
                        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.date, dir);
                            newViewDate = this.moveYear(this.viewDate, dir);
                            this._trigger('changeYear', this.viewDate);
                        } else if (e.shiftKey) {
                            newDate = this.moveMonth(this.date, dir);
                            newViewDate = this.moveMonth(this.viewDate, dir);
                            this._trigger('changeMonth', this.viewDate);
                        } else {
                            newDate = new Date(this.date);
                            newDate.setUTCDate(this.date.getUTCDate() + dir * 7);
                            newViewDate = new Date(this.viewDate);
                            newViewDate.setUTCDate(this.viewDate.getUTCDate() + dir * 7);
                        }
                        if (this.dateWithinRange(newDate)) {
                            this.date = newDate;
                            this.viewDate = newViewDate;
                            this.setValue();
                            this.update();
                            e.preventDefault();
                            dateChanged = true;
                        }
                        break;
                    case 13: // enter
                        this.hide();
                        e.preventDefault();
                        break;
                    case 9: // tab
                        this.hide();
                        break;
                }
                if (dateChanged) {
                    this._trigger('changeDate');
                    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));
                }
                /*
                 vitalets: fixing bug of very special conditions:
                 jquery 1.7.1 + webkit + show inline datepicker in bootstrap popover.
                 Method show() does not set display css correctly and datepicker is not shown.
                 Changed to .css('display', 'block') solve the problem.
                 See https://github.com/vitalets/x-editable/issues/37

                 In jquery 1.7.2+ everything works fine.
                 */
                //this.picker.find('>div').hide().filter('.datepicker-'+DPGlobal.modes[this.viewMode].clsName).show();
                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.date;
                });
                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) {
                var dp = $(e.target).data('datepicker'),
                    new_date = dp.getUTCDate(),
                    i = $.inArray(e.target, this.inputs),
                    l = this.inputs.length;
                if (i == -1) return;

                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();
            },
            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());
            for (var key in data)
                if (prefix.test(key)) {
                    inkey = key.replace(replace, function (_, a) {
                        return a.toLowerCase();
                    });
                    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_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: 'yyyy/mm/dd',
            keyboardNavigation: true,
            language: 'en',
            minViewMode: 0,
            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: ["<?= lang('Sunday')?>", "<?= lang('Monday')?>", "<?= lang('Tuesday')?>", "<?= lang('Wednesday')?>", "<?= lang('Thursday')?>", "<?= lang('Friday')?>", "<?= lang('Saturday')?>", "<?= lang('Sunday')?>"],
                daysShort: ["<?= lang('Sun')?>", "<?= lang('Mon')?>", "<?= lang('Tue')?>", "<?= lang('Wed')?>", "<?= lang('Thu')?>", "<?= lang('Fri')?>", "<?= lang('Sat')?>", "<?= lang('Sun')?>"],
                daysMin: ["<?= lang('Su')?>", "<?= lang('Mo')?>", "<?= lang('Tu')?>", "<?= lang('We')?>", "<?= lang('Th')?>", "<?= lang('Fr')?>", "<?= lang('Sa')?>", "<?= lang('Su')?>"],
                months: ["<?= lang('January')?>", "<?= lang('February')?>", "<?= lang('March')?>", "<?= lang('April')?>", "<?= lang('May')?>", "<?= lang('June')?>", "<?= lang('July')?>", "<?= lang('August')?>", "<?= lang('September')?>", "<?= lang('October')?>", "<?= lang('November')?>", "<?= lang('December')?>"],
                monthsShort: ["<?= lang('Jan')?>", "<?= lang('Feb')?>", "<?= lang('Mar')?>", "<?= lang('Apr')?>", "<?= lang('May')?>", "<?= lang('Jun')?>", "<?= lang('Jul')?>", "<?= lang('Aug')?>", "<?= lang('Sept')?>", "<?= lang('Oct')?>", "<?= lang('Nov')?>", "<?= lang('Dec')?>"],
                today: "<?= lang('today')?>",
                clear: "<?= lang('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 instanceof Date) return date;
                if (typeof format === 'string')
                    format = DPGlobal.parseFormat(format);
                if (/^[\-+]\d+[dmwy]([\s,]+[\-+]\d+[dmwy])*$/.test(date)) {
                    var part_re = /([\-+]\d+)([dmwy])/,
                        parts = date.match(/([\-+]\d+)([dmwy])/g),
                        part, dir;
                    date = new Date();
                    for (var 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);
                }
                var parts = date && date.match(this.nonpunctuation) || [],
                    date = new Date(),
                    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, part;
                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
                if (parts.length == fparts.length) {
                    for (var 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(function () {
                                        var m = this.slice(0, parts[i].length),
                                            p = parts[i].slice(0, m.length);
                                        return m == p;
                                    });
                                    val = $.inArray(filtered[0], dates[language].months) + 1;
                                    break;
                                case 'M':
                                    filtered = $(dates[language].monthsShort).filter(function () {
                                        var m = this.slice(0, parts[i].length),
                                            p = parts[i].slice(0, m.length);
                                        return m == p;
                                    });
                                    val = $.inArray(filtered[0], dates[language].monthsShort) + 1;
                                    break;
                            }
                        }
                        parsed[part] = val;
                    }
                    for (var i = 0, _date, s; 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 (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;
                var date = [],
                    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));
</script>