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First public commit

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diff --git a/static/js/bootstrap-datepicker.js b/static/js/bootstrap-datepicker.js
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+++ b/static/js/bootstrap-datepicker.js
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+/* =========================================================
+ * 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( $ ) {
+
+	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.element = $(element);
+		this.language = options.language||this.element.data('date-language')||"en";
+		this.language = this.language in dates ? this.language : this.language.split('-')[0]; //Check if "de-DE" style date is available, if not language should fallback to 2 letter code eg "de"
+		this.language = this.language in dates ? this.language : "en";
+		this.isRTL = dates[this.language].rtl||false;
+		this.format = DPGlobal.parseFormat(options.format||this.element.data('date-format')||dates[this.language].format||'mm/dd/yyyy');
+		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.forceParse = true;
+		if ('forceParse' in options) {
+			this.forceParse = options.forceParse;
+		} else if ('dateForceParse' in this.element.data()) {
+			this.forceParse = this.element.data('date-force-parse');
+		}
+
+		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.isRTL){
+			this.picker.addClass('datepicker-rtl');
+			this.picker.find('.prev i, .next i')
+						.toggleClass('icon-arrow-left icon-arrow-right');
+		}
+
+		this.autoclose = false;
+		if ('autoclose' in options) {
+			this.autoclose = options.autoclose;
+		} else if ('dateAutoclose' in this.element.data()) {
+			this.autoclose = this.element.data('date-autoclose');
+		}
+
+		this.keyboardNavigation = true;
+		if ('keyboardNavigation' in options) {
+			this.keyboardNavigation = options.keyboardNavigation;
+		} else if ('dateKeyboardNavigation' in this.element.data()) {
+			this.keyboardNavigation = this.element.data('date-keyboard-navigation');
+		}
+
+		this.viewMode = this.startViewMode = 0;
+		switch(options.startView || this.element.data('date-start-view')){
+			case 2:
+			case 'decade':
+				this.viewMode = this.startViewMode = 2;
+				break;
+			case 1:
+			case 'year':
+				this.viewMode = this.startViewMode = 1;
+				break;
+		}
+
+		this.minViewMode = options.minViewMode||this.element.data('date-min-view-mode')||0;
+		if (typeof this.minViewMode === 'string') {
+			switch (this.minViewMode) {
+				case 'months':
+					this.minViewMode = 1;
+					break;
+				case 'years':
+					this.minViewMode = 2;
+					break;
+				default:
+					this.minViewMode = 0;
+					break;
+			}
+		}
+
+		this.viewMode = this.startViewMode = Math.max(this.startViewMode, this.minViewMode);
+
+		this.todayBtn = (options.todayBtn||this.element.data('date-today-btn')||false);
+		this.todayHighlight = (options.todayHighlight||this.element.data('date-today-highlight')||false);
+
+		this.calendarWeeks = false;
+		if ('calendarWeeks' in options) {
+			this.calendarWeeks = options.calendarWeeks;
+		} else if ('dateCalendarWeeks' in this.element.data()) {
+			this.calendarWeeks = this.element.data('date-calendar-weeks');
+		}
+		if (this.calendarWeeks)
+			this.picker.find('tfoot th.today')
+						.attr('colspan', function(i, val){
+							return parseInt(val) + 1;
+						});
+
+		this._allow_update = false;
+
+		this.weekStart = ((options.weekStart||this.element.data('date-weekstart')||dates[this.language].weekStart||0) % 7);
+		this.weekEnd = ((this.weekStart + 6) % 7);
+		this.startDate = -Infinity;
+		this.endDate = Infinity;
+		this.daysOfWeekDisabled = [];
+		this.setStartDate(options.startDate||this.element.data('date-startdate'));
+		this.setEndDate(options.endDate||this.element.data('date-enddate'));
+		this.setDaysOfWeekDisabled(options.daysOfWeekDisabled||this.element.data('date-days-of-week-disabled'));
+		this.fillDow();
+		this.fillMonths();
+		this.setRange(options.range);
+
+		this._allow_update = true;
+
+		this.update();
+		this.showMode();
+
+		if(this.isInline) {
+			this.show();
+		}
+	};
+
+	Datepicker.prototype = {
+		constructor: Datepicker,
+
+		_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: $.proxy(function (e) {
+						// Clicked outside the datepicker, hide it
+						if ($(e.target).closest('.datepicker.datepicker-inline, .datepicker.datepicker-dropdown').length === 0) {
+							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);
+		},
+
+		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.element.trigger({
+				type: 'show',
+				date: this.date
+			});
+		},
+
+		hide: function(e){
+			if(this.isInline) return;
+			if (!this.picker.is(':visible')) return;
+			this.picker.hide().detach();
+			this._detachSecondaryEvents();
+			this.viewMode = this.startViewMode;
+			this.showMode();
+
+			if (
+				this.forceParse &&
+				(
+					this.isInput && this.element.val() ||
+					this.hasInput && this.element.find('input').val()
+				)
+			)
+				this.setValue();
+			this.element.trigger({
+				type: 'hide',
+				date: this.date
+			});
+		},
+
+		remove: function() {
+			this.hide();
+			this._detachEvents();
+			this._detachSecondaryEvents();
+			this.picker.remove();
+			delete this.element.data().datepicker;
+			if (!this.isInput) {
+				delete this.element.data().date;
+			}
+		},
+
+		getDate: function() {
+			var d = this.getUTCDate();
+			return new Date(d.getTime() + (d.getTimezoneOffset()*60000));
+		},
+
+		getUTCDate: function() {
+			return this.date;
+		},
+
+		setDate: function(d) {
+			this.setUTCDate(new Date(d.getTime() - (d.getTimezoneOffset()*60000)));
+		},
+
+		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);
+				}
+			} else {
+				this.element.val(formatted);
+			}
+		},
+
+		getFormattedDate: function(format) {
+			if (format === undefined)
+				format = this.format;
+			return DPGlobal.formatDate(this.date, format, this.language);
+		},
+
+		setStartDate: function(startDate){
+			this.startDate = startDate||-Infinity;
+			if (this.startDate !== -Infinity) {
+				this.startDate = DPGlobal.parseDate(this.startDate, this.format, this.language);
+			}
+			this.update();
+			this.updateNavArrows();
+		},
+
+		setEndDate: function(endDate){
+			this.endDate = endDate||Infinity;
+			if (this.endDate !== Infinity) {
+				this.endDate = DPGlobal.parseDate(this.endDate, this.format, this.language);
+			}
+			this.update();
+			this.updateNavArrows();
+		},
+
+		setDaysOfWeekDisabled: function(daysOfWeekDisabled){
+			this.daysOfWeekDisabled = daysOfWeekDisabled||[];
+			if (!$.isArray(this.daysOfWeekDisabled)) {
+				this.daysOfWeekDisabled = this.daysOfWeekDisabled.split(/,\s*/);
+			}
+			this.daysOfWeekDisabled = $.map(this.daysOfWeekDisabled, function (d) {
+				return parseInt(d, 10);
+			});
+			this.update();
+			this.updateNavArrows();
+		},
+
+		place: function(){
+						if(this.isInline) return;
+			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(true);
+			this.picker.css({
+				top: offset.top + height,
+				left: offset.left,
+				zIndex: zIndex
+			});
+		},
+
+		_allow_update: true,
+		update: function(){
+			if (!this._allow_update) return;
+
+			var date, fromArgs = false;
+			if(arguments && arguments.length && (typeof arguments[0] === 'string' || arguments[0] instanceof Date)) {
+				date = arguments[0];
+				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.format, this.language);
+
+			if(fromArgs) this.setValue();
+
+			if (this.date < this.startDate) {
+				this.viewDate = new Date(this.startDate);
+			} else if (this.date > this.endDate) {
+				this.viewDate = new Date(this.endDate);
+			} else {
+				this.viewDate = new Date(this.date);
+			}
+			this.fill();
+		},
+
+		fillDow: function(){
+			var dowCnt = this.weekStart,
+			html = '<tr>';
+			if(this.calendarWeeks){
+				var cell = '<th class="cw">&nbsp;</th>';
+				html += cell;
+				this.picker.find('.datepicker-days thead tr:first-child').prepend(cell);
+			}
+			while (dowCnt < this.weekStart + 7) {
+				html += '<th class="dow">'+dates[this.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.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.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.startDate || date.valueOf() > this.endDate ||
+				$.inArray(date.getUTCDay(), this.daysOfWeekDisabled) !== -1) {
+				cls.push('disabled');
+			}
+			if (this.range){
+				if (date > this.range[0] && date < this.range[this.range.length-1]){
+					cls.push('range');
+				}
+				if ($.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.startDate !== -Infinity ? this.startDate.getUTCFullYear() : -Infinity,
+				startMonth = this.startDate !== -Infinity ? this.startDate.getUTCMonth() : -Infinity,
+				endYear = this.endDate !== Infinity ? this.endDate.getUTCFullYear() : Infinity,
+				endMonth = this.endDate !== Infinity ? this.endDate.getUTCMonth() : Infinity,
+				currentDate = this.date && this.date.valueOf();
+			this.picker.find('.datepicker-days thead th.datepicker-switch')
+						.text(dates[this.language].months[month]+' '+year);
+			this.picker.find('tfoot th.today')
+						.text(dates[this.language].today)
+						.toggle(this.todayBtn !== 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.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.weekStart) {
+					html.push('<tr>');
+					if(this.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.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');
+				html.push('<td class="'+clsName.join(' ')+'">'+prevMonth.getUTCDate() + '</td>');
+				if (prevMonth.getUTCDay() == this.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 || i == 10 ? ' old' : '')+(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.startDate !== -Infinity && year <= this.startDate.getUTCFullYear() && month <= this.startDate.getUTCMonth()) {
+						this.picker.find('.prev').css({visibility: 'hidden'});
+					} else {
+						this.picker.find('.prev').css({visibility: 'visible'});
+					}
+					if (this.endDate !== Infinity && year >= this.endDate.getUTCFullYear() && month >= this.endDate.getUTCMonth()) {
+						this.picker.find('.next').css({visibility: 'hidden'});
+					} else {
+						this.picker.find('.next').css({visibility: 'visible'});
+					}
+					break;
+				case 1:
+				case 2:
+					if (this.startDate !== -Infinity && year <= this.startDate.getUTCFullYear()) {
+						this.picker.find('.prev').css({visibility: 'hidden'});
+					} else {
+						this.picker.find('.prev').css({visibility: 'visible'});
+					}
+					if (this.endDate !== Infinity && year >= this.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);
+										break;
+									case 1:
+									case 2:
+										this.viewDate = this.moveYear(this.viewDate, dir);
+										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.todayBtn == 'linked' ? null : 'view';
+								this._setDate(date, which);
+								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.element.trigger({
+									type: 'changeMonth',
+									date: this.viewDate
+								});
+								if ( this.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.element.trigger({
+									type: 'changeYear',
+									date: this.viewDate
+								});
+								if ( this.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 = date;
+			if (!which || which  == 'view')
+				this.viewDate = date;
+			this.fill();
+			this.setValue();
+			this.element.trigger({
+				type: 'changeDate',
+				date: this.date
+			});
+			var element;
+			if (this.isInput) {
+				element = this.element;
+			} else if (this.component){
+				element = this.element.find('input');
+			}
+			if (element) {
+				element.change();
+				if (this.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.startDate && date <= this.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.keyboardNavigation) break;
+					dir = e.keyCode == 37 ? -1 : 1;
+					if (e.ctrlKey){
+						newDate = this.moveYear(this.date, dir);
+						newViewDate = this.moveYear(this.viewDate, dir);
+					} else if (e.shiftKey){
+						newDate = this.moveMonth(this.date, dir);
+						newViewDate = this.moveMonth(this.viewDate, dir);
+					} 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.keyboardNavigation) break;
+					dir = e.keyCode == 38 ? -1 : 1;
+					if (e.ctrlKey){
+						newDate = this.moveYear(this.date, dir);
+						newViewDate = this.moveYear(this.viewDate, dir);
+					} else if (e.shiftKey){
+						newDate = this.moveMonth(this.date, dir);
+						newViewDate = this.moveMonth(this.viewDate, dir);
+					} 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.element.trigger({
+					type: 'changeDate',
+					date: this.date
+				});
+				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.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 = e.date,
+				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;
+		}
+	};
+
+	var old = $.fn.datepicker;
+	$.fn.datepicker = function ( option ) {
+		var args = Array.apply(null, arguments);
+		args.shift();
+		return this.each(function () {
+			var $this = $(this),
+				data = $this.data('datepicker'),
+				options = typeof option == 'object' && option;
+			if (!data) {
+				if ($this.is('.input-daterange') || options.inputs){
+					var opts = {
+						inputs: options.inputs || $this.find('input').toArray()
+					};
+					$this.data('datepicker', (data = new DateRangePicker(this, $.extend(opts, $.fn.datepicker.defaults,options))));
+				}
+				else{
+					$this.data('datepicker', (data = new Datepicker(this, $.extend({}, $.fn.datepicker.defaults,options))));
+				}
+			}
+			if (typeof option == 'string' && typeof data[option] == 'function') {
+				data[option].apply(data, args);
+			}
+		});
+	};
+
+	$.fn.datepicker.defaults = {
+	};
+	$.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"
+		}
+	};
+
+	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 (/^[\-+]\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){
+						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, s; i<setters_order.length; i++){
+					s = setters_order[i];
+					if (s in parsed && !isNaN(parsed[s]))
+						setters_map[s](date, parsed[s]);
+				}
+			}
+			return date;
+		},
+		formatDate: function(date, format, language){
+			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"><i class="icon-arrow-left"/></th>'+
+								'<th colspan="5" class="datepicker-switch"></th>'+
+								'<th class="next"><i class="icon-arrow-right"/></th>'+
+							'</tr>'+
+						'</thead>',
+		contTemplate: '<tbody><tr><td colspan="7"></td></tr></tbody>',
+		footTemplate: '<tfoot><tr><th colspan="7" class="today"></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 );