/* =========================================================
 * 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.length = 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')) + 9999;
            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[name="start"], input[name="end"]').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: true,
        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"></th>' +
            '<th colspan="5" class="datepicker-switch"></th>' +
            '<th class="next"></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));