diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index a0894b5..ba17ca4 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -3,6 +3,7 @@ X-editable changelog
 
 Version 1.4.5 wip
 ----------------------------
+[enh] update bootstrap-datepicker to 1.1.2 (vitalets)
 [enh] allow follow links in disabled state (vitalets)
 [enh] update combodate to 1.0.4, fix #222 (vitalets)
 
diff --git a/src/inputs/date/bootstrap-datepicker/css/datepicker.css b/src/inputs/date/bootstrap-datepicker/css/datepicker.css
index 5ecec5d..6b7ff18 100644
--- a/src/inputs/date/bootstrap-datepicker/css/datepicker.css
+++ b/src/inputs/date/bootstrap-datepicker/css/datepicker.css
@@ -111,7 +111,7 @@
   border-color: #fdf59a #fdf59a #fbed50;
   border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
   filter: progid:DXImageTransform.Microsoft.gradient(enabled=false);
-  color: #000 !important;
+  color: #000;
 }
 .datepicker table tr td.today:hover,
 .datepicker table tr td.today:hover:hover,
@@ -145,6 +145,124 @@
 .datepicker table tr td.today.disabled:hover.active {
   background-color: #fbf069 \9;
 }
+.datepicker table tr td.today:hover:hover {
+  color: #000;
+}
+.datepicker table tr td.today.active:hover {
+  color: #fff;
+}
+.datepicker table tr td.range,
+.datepicker table tr td.range:hover,
+.datepicker table tr td.range.disabled,
+.datepicker table tr td.range.disabled:hover {
+  background: #eeeeee;
+  -webkit-border-radius: 0;
+  -moz-border-radius: 0;
+  border-radius: 0;
+}
+.datepicker table tr td.range.today,
+.datepicker table tr td.range.today:hover,
+.datepicker table tr td.range.today.disabled,
+.datepicker table tr td.range.today.disabled:hover {
+  background-color: #f3d17a;
+  background-image: -moz-linear-gradient(top, #f3c17a, #f3e97a);
+  background-image: -ms-linear-gradient(top, #f3c17a, #f3e97a);
+  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#f3c17a), to(#f3e97a));
+  background-image: -webkit-linear-gradient(top, #f3c17a, #f3e97a);
+  background-image: -o-linear-gradient(top, #f3c17a, #f3e97a);
+  background-image: linear-gradient(top, #f3c17a, #f3e97a);
+  background-repeat: repeat-x;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#f3c17a', endColorstr='#f3e97a', GradientType=0);
+  border-color: #f3e97a #f3e97a #edde34;
+  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
+  filter: progid:DXImageTransform.Microsoft.gradient(enabled=false);
+  -webkit-border-radius: 0;
+  -moz-border-radius: 0;
+  border-radius: 0;
+}
+.datepicker table tr td.range.today:hover,
+.datepicker table tr td.range.today:hover:hover,
+.datepicker table tr td.range.today.disabled:hover,
+.datepicker table tr td.range.today.disabled:hover:hover,
+.datepicker table tr td.range.today:active,
+.datepicker table tr td.range.today:hover:active,
+.datepicker table tr td.range.today.disabled:active,
+.datepicker table tr td.range.today.disabled:hover:active,
+.datepicker table tr td.range.today.active,
+.datepicker table tr td.range.today:hover.active,
+.datepicker table tr td.range.today.disabled.active,
+.datepicker table tr td.range.today.disabled:hover.active,
+.datepicker table tr td.range.today.disabled,
+.datepicker table tr td.range.today:hover.disabled,
+.datepicker table tr td.range.today.disabled.disabled,
+.datepicker table tr td.range.today.disabled:hover.disabled,
+.datepicker table tr td.range.today[disabled],
+.datepicker table tr td.range.today:hover[disabled],
+.datepicker table tr td.range.today.disabled[disabled],
+.datepicker table tr td.range.today.disabled:hover[disabled] {
+  background-color: #f3e97a;
+}
+.datepicker table tr td.range.today:active,
+.datepicker table tr td.range.today:hover:active,
+.datepicker table tr td.range.today.disabled:active,
+.datepicker table tr td.range.today.disabled:hover:active,
+.datepicker table tr td.range.today.active,
+.datepicker table tr td.range.today:hover.active,
+.datepicker table tr td.range.today.disabled.active,
+.datepicker table tr td.range.today.disabled:hover.active {
+  background-color: #efe24b \9;
+}
+.datepicker table tr td.selected,
+.datepicker table tr td.selected:hover,
+.datepicker table tr td.selected.disabled,
+.datepicker table tr td.selected.disabled:hover {
+  background-color: #9e9e9e;
+  background-image: -moz-linear-gradient(top, #b3b3b3, #808080);
+  background-image: -ms-linear-gradient(top, #b3b3b3, #808080);
+  background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#b3b3b3), to(#808080));
+  background-image: -webkit-linear-gradient(top, #b3b3b3, #808080);
+  background-image: -o-linear-gradient(top, #b3b3b3, #808080);
+  background-image: linear-gradient(top, #b3b3b3, #808080);
+  background-repeat: repeat-x;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#b3b3b3', endColorstr='#808080', GradientType=0);
+  border-color: #808080 #808080 #595959;
+  border-color: rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.1) rgba(0, 0, 0, 0.25);
+  filter: progid:DXImageTransform.Microsoft.gradient(enabled=false);
+  color: #fff;
+  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
+}
+.datepicker table tr td.selected:hover,
+.datepicker table tr td.selected:hover:hover,
+.datepicker table tr td.selected.disabled:hover,
+.datepicker table tr td.selected.disabled:hover:hover,
+.datepicker table tr td.selected:active,
+.datepicker table tr td.selected:hover:active,
+.datepicker table tr td.selected.disabled:active,
+.datepicker table tr td.selected.disabled:hover:active,
+.datepicker table tr td.selected.active,
+.datepicker table tr td.selected:hover.active,
+.datepicker table tr td.selected.disabled.active,
+.datepicker table tr td.selected.disabled:hover.active,
+.datepicker table tr td.selected.disabled,
+.datepicker table tr td.selected:hover.disabled,
+.datepicker table tr td.selected.disabled.disabled,
+.datepicker table tr td.selected.disabled:hover.disabled,
+.datepicker table tr td.selected[disabled],
+.datepicker table tr td.selected:hover[disabled],
+.datepicker table tr td.selected.disabled[disabled],
+.datepicker table tr td.selected.disabled:hover[disabled] {
+  background-color: #808080;
+}
+.datepicker table tr td.selected:active,
+.datepicker table tr td.selected:hover:active,
+.datepicker table tr td.selected.disabled:active,
+.datepicker table tr td.selected.disabled:hover:active,
+.datepicker table tr td.selected.active,
+.datepicker table tr td.selected:hover.active,
+.datepicker table tr td.selected.disabled.active,
+.datepicker table tr td.selected.disabled:hover.active {
+  background-color: #666666 \9;
+}
 .datepicker table tr td.active,
 .datepicker table tr td.active:hover,
 .datepicker table tr td.active.disabled,
@@ -268,18 +386,19 @@
 .datepicker table tr td span.active.disabled:hover.active {
   background-color: #003399 \9;
 }
-.datepicker table tr td span.old {
+.datepicker table tr td span.old,
+.datepicker table tr td span.new {
   color: #999999;
 }
-.datepicker th.switch {
+.datepicker th.datepicker-switch {
   width: 145px;
 }
 .datepicker thead tr:first-child th,
-.datepicker tfoot tr:first-child th {
+.datepicker tfoot tr th {
   cursor: pointer;
 }
 .datepicker thead tr:first-child th:hover,
-.datepicker tfoot tr:first-child th:hover {
+.datepicker tfoot tr th:hover {
   background: #eeeeee;
 }
 .datepicker .cw {
@@ -299,3 +418,32 @@
   width: 16px;
   height: 16px;
 }
+.input-daterange input {
+  text-align: center;
+}
+.input-daterange input:first-child {
+  -webkit-border-radius: 3px 0 0 3px;
+  -moz-border-radius: 3px 0 0 3px;
+  border-radius: 3px 0 0 3px;
+}
+.input-daterange input:last-child {
+  -webkit-border-radius: 0 3px 3px 0;
+  -moz-border-radius: 0 3px 3px 0;
+  border-radius: 0 3px 3px 0;
+}
+.input-daterange .add-on {
+  display: inline-block;
+  width: auto;
+  min-width: 16px;
+  height: 18px;
+  padding: 4px 5px;
+  font-weight: normal;
+  line-height: 18px;
+  text-align: center;
+  text-shadow: 0 1px 0 #ffffff;
+  vertical-align: middle;
+  background-color: #eeeeee;
+  border: 1px solid #ccc;
+  margin-left: -5px;
+  margin-right: -5px;
+}
diff --git a/src/inputs/date/bootstrap-datepicker/js/bootstrap-datepicker.js b/src/inputs/date/bootstrap-datepicker/js/bootstrap-datepicker.js
index 8991aa8..be641bf 100644
--- a/src/inputs/date/bootstrap-datepicker/js/bootstrap-datepicker.js
+++ b/src/inputs/date/bootstrap-datepicker/js/bootstrap-datepicker.js
@@ -33,12 +33,10 @@
 	var Datepicker = function(element, options) {
 		var that = this;
 
+		this._process_options(options);
+
 		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.format = DPGlobal.parseFormat(this.o.format);
 		this.isInline = false;
 		this.isInput = this.element.is('input');
 		this.component = this.element.is('.date') ? this.element.find('.add-on, .btn') : false;
@@ -46,13 +44,6 @@
 		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();
@@ -62,65 +53,17 @@
 		} else {
 			this.picker.addClass('datepicker-dropdown dropdown-menu');
 		}
-		if (this.isRTL){
+
+		if (this.o.rtl){
 			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.o.startView;
 
-		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)
+		if (this.o.calendarWeeks)
 			this.picker.find('tfoot th.today')
 						.attr('colspan', function(i, val){
 							return parseInt(val) + 1;
@@ -128,14 +71,10 @@
 
 		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.setStartDate(this.o.startDate);
+		this.setEndDate(this.o.endDate);
+		this.setDaysOfWeekDisabled(this.o.daysOfWeekDisabled);
+
 		this.fillDow();
 		this.fillMonths();
 
@@ -152,6 +91,68 @@
 	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 = $.fn.datepicker.defaults.language;
+			}
+			o.language = lang;
+
+			switch(o.startView){
+				case 2:
+				case 'decade':
+					o.startView = 2;
+					break;
+				case 1:
+				case 'year':
+					o.startView = 1;
+					break;
+				default:
+					o.startView = 0;
+			}
+
+			switch (o.minViewMode) {
+				case 1:
+				case 'months':
+					o.minViewMode = 1;
+					break;
+				case 2:
+				case 'years':
+					o.minViewMode = 2;
+					break;
+				default:
+					o.minViewMode = 0;
+			}
+
+			o.startView = Math.max(o.startView, o.minViewMode);
+
+			o.weekStart %= 7;
+			o.weekEnd = ((o.weekStart + 6) % 7);
+
+			var format = DPGlobal.parseFormat(o.format)
+			if (o.startDate !== -Infinity) {
+				o.startDate = DPGlobal.parseDate(o.startDate, format, o.language);
+			}
+			if (o.endDate !== Infinity) {
+				o.endDate = DPGlobal.parseDate(o.endDate, format, o.language);
+			}
+
+			o.daysOfWeekDisabled = o.daysOfWeekDisabled||[];
+			if (!$.isArray(o.daysOfWeekDisabled))
+				o.daysOfWeekDisabled = o.daysOfWeekDisabled.split(/[,\s]*/);
+			o.daysOfWeekDisabled = $.map(o.daysOfWeekDisabled, function (d) {
+				return parseInt(d, 10);
+			});
+		},
 		_events: [],
 		_secondaryEvents: [],
 		_applyEvents: function(evs){
@@ -212,7 +213,12 @@
 				[$(document), {
 					mousedown: $.proxy(function (e) {
 						// Clicked outside the datepicker, hide it
-						if ($(e.target).closest('.datepicker.datepicker-inline, .datepicker.datepicker-dropdown').length === 0) {
+						if (!(
+							this.element.is(e.target) ||
+							this.element.find(e.target).size() ||
+							this.picker.is(e.target) ||
+							this.picker.find(e.target).size()
+						)) {
 							this.hide();
 						}
 					}, this)
@@ -233,6 +239,21 @@
 		_detachSecondaryEvents: function(){
 			this._unapplyEvents(this._secondaryEvents);
 		},
+		_trigger: function(event, altdate){
+			var date = altdate || this.date,
+				local_date = new Date(date.getTime() + (date.getTimezoneOffset()*60000));
+
+			this.element.trigger({
+				type: event,
+				date: local_date,
+				format: $.proxy(function(altformat){
+					var format = this.format;
+					if (altformat)
+						format = DPGlobal.parseFormat(altformat);
+					return DPGlobal.formatDate(date, format, this.language);
+				}, this)
+			});
+		},
 
 		show: function(e) {
 			if (!this.isInline)
@@ -244,10 +265,7 @@
 			if (e) {
 				e.preventDefault();
 			}
-			this.element.trigger({
-				type: 'show',
-				date: this.date
-			});
+			this._trigger('show');
 		},
 
 		hide: function(e){
@@ -255,21 +273,18 @@
 			if (!this.picker.is(':visible')) return;
 			this.picker.hide().detach();
 			this._detachSecondaryEvents();
-			this.viewMode = this.startViewMode;
+			this.viewMode = this.o.startView;
 			this.showMode();
 
 			if (
-				this.forceParse &&
+				this.o.forceParse &&
 				(
 					this.isInput && this.element.val() ||
 					this.hasInput && this.element.find('input').val()
 				)
 			)
 				this.setValue();
-			this.element.trigger({
-				type: 'hide',
-				date: this.date
-			});
+			this._trigger('hide');
 		},
 
 		remove: function() {
@@ -307,7 +322,6 @@
 				if (this.component){
 					this.element.find('input').val(formatted);
 				}
-				this.element.data('date', formatted);
 			} else {
 				this.element.val(formatted);
 			}
@@ -316,35 +330,23 @@
 		getFormattedDate: function(format) {
 			if (format === undefined)
 				format = this.format;
-			return DPGlobal.formatDate(this.date, format, this.language);
+			return DPGlobal.formatDate(this.date, format, this.o.language);
 		},
 
 		setStartDate: function(startDate){
-			this.startDate = startDate||-Infinity;
-			if (this.startDate !== -Infinity) {
-				this.startDate = DPGlobal.parseDate(this.startDate, this.format, this.language);
-			}
+			this._process_options({startDate: startDate});
 			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._process_options({endDate: endDate});
 			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._process_options({daysOfWeekDisabled: daysOfWeekDisabled});
 			this.update();
 			this.updateNavArrows();
 		},
@@ -373,16 +375,17 @@
 				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);
+			this.date = DPGlobal.parseDate(date, this.format, this.o.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);
+			if (this.date < this.o.startDate) {
+				this.viewDate = new Date(this.o.startDate);
+			} else if (this.date > this.o.endDate) {
+				this.viewDate = new Date(this.o.endDate);
 			} else {
 				this.viewDate = new Date(this.date);
 			}
@@ -390,15 +393,15 @@
 		},
 
 		fillDow: function(){
-			var dowCnt = this.weekStart,
+			var dowCnt = this.o.weekStart,
 			html = '<tr>';
-			if(this.calendarWeeks){
+			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.weekStart + 7) {
-				html += '<th class="dow">'+dates[this.language].daysMin[(dowCnt++)%7]+'</th>';
+			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);
@@ -408,46 +411,93 @@
 			var html = '',
 			i = 0;
 			while (i < 12) {
-				html += '<span class="month">'+dates[this.language].monthsShort[i++]+'</span>';
+				html += '<span class="month">'+dates[this.o.language].monthsShort[i++]+'</span>';
 			}
 			this.picker.find('.datepicker-months td').html(html);
 		},
 
+		setRange: function(range){
+			if (!range || !range.length)
+				delete this.range;
+			else
+				this.range = $.map(range, function(d){ return d.valueOf(); });
+			this.fill();
+		},
+
+		getClassNames: function(date){
+			var cls = [],
+				year = this.viewDate.getUTCFullYear(),
+				month = this.viewDate.getUTCMonth(),
+				currentDate = this.date.valueOf(),
+				today = new Date();
+			if (date.getUTCFullYear() < year || (date.getUTCFullYear() == year && date.getUTCMonth() < month)) {
+				cls.push('old');
+			} else if (date.getUTCFullYear() > year || (date.getUTCFullYear() == year && date.getUTCMonth() > month)) {
+				cls.push('new');
+			}
+			// Compare internal UTC date with local today, not UTC today
+			if (this.o.todayHighlight &&
+				date.getUTCFullYear() == today.getFullYear() &&
+				date.getUTCMonth() == today.getMonth() &&
+				date.getUTCDate() == today.getDate()) {
+				cls.push('today');
+			}
+			if (currentDate && date.valueOf() == currentDate) {
+				cls.push('active');
+			}
+			if (date.valueOf() < this.o.startDate || date.valueOf() > this.o.endDate ||
+				$.inArray(date.getUTCDay(), this.o.daysOfWeekDisabled) !== -1) {
+				cls.push('disabled');
+			}
+			if (this.range){
+				if (date > this.range[0] && date < this.range[this.range.length-1]){
+					cls.push('range');
+				}
+				if ($.inArray(date.valueOf(), this.range) != -1){
+					cls.push('selected');
+				}
+			}
+			return cls;
+		},
+
 		fill: function() {
 			var d = new Date(this.viewDate),
 				year = d.getUTCFullYear(),
 				month = d.getUTCMonth(),
-				startYear = this.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,
+				startYear = this.o.startDate !== -Infinity ? this.o.startDate.getUTCFullYear() : -Infinity,
+				startMonth = this.o.startDate !== -Infinity ? this.o.startDate.getUTCMonth() : -Infinity,
+				endYear = this.o.endDate !== Infinity ? this.o.endDate.getUTCFullYear() : Infinity,
+				endMonth = this.o.endDate !== Infinity ? this.o.endDate.getUTCMonth() : Infinity,
 				currentDate = this.date && this.date.valueOf(),
-				today = new Date();
-			this.picker.find('.datepicker-days thead th.switch')
-						.text(dates[this.language].months[month]+' '+year);
+				tooltip;
+			this.picker.find('.datepicker-days thead th.datepicker-switch')
+						.text(dates[this.o.language].months[month]+' '+year);
 			this.picker.find('tfoot th.today')
-						.text(dates[this.language].today)
-						.toggle(this.todayBtn !== false);
+						.text(dates[this.o.language].today)
+						.toggle(this.o.todayBtn !== false);
+			this.picker.find('tfoot th.clear')
+						.text(dates[this.o.language].clear)
+						.toggle(this.o.clearBtn !== false);
 			this.updateNavArrows();
 			this.fillMonths();
 			var prevMonth = UTCDate(year, month-1, 28,0,0,0,0),
 				day = DPGlobal.getDaysInMonth(prevMonth.getUTCFullYear(), prevMonth.getUTCMonth());
 			prevMonth.setUTCDate(day);
-			prevMonth.setUTCDate(day - (prevMonth.getUTCDay() - this.weekStart + 7)%7);
+			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.weekStart) {
+				if (prevMonth.getUTCDay() == this.o.weekStart) {
 					html.push('<tr>');
-					if(this.calendarWeeks){
+					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.weekStart - prevMonth.getUTCDay() - 7) % 7 * 864e5),
+							ws = new Date(+prevMonth + (this.o.weekStart - prevMonth.getUTCDay() - 7) % 7 * 864e5),
 							// Thursday of this week
 							th = new Date(+ws + (7 + 4 - ws.getUTCDay()) % 7 * 864e5),
 							// First Thursday of year, year from thursday
@@ -458,28 +508,26 @@
 
 					}
 				}
-				clsName = '';
-				if (prevMonth.getUTCFullYear() < year || (prevMonth.getUTCFullYear() == year && prevMonth.getUTCMonth() < month)) {
-					clsName += ' old';
-				} else if (prevMonth.getUTCFullYear() > year || (prevMonth.getUTCFullYear() == year && prevMonth.getUTCMonth() > month)) {
-					clsName += ' new';
-				}
-				// Compare internal UTC date with local today, not UTC today
-				if (this.todayHighlight &&
-					prevMonth.getUTCFullYear() == today.getFullYear() &&
-					prevMonth.getUTCMonth() == today.getMonth() &&
-					prevMonth.getUTCDate() == today.getDate()) {
-					clsName += ' today';
-				}
-				if (currentDate && prevMonth.valueOf() == currentDate) {
-					clsName += ' active';
-				}
-				if (prevMonth.valueOf() < this.startDate || prevMonth.valueOf() > this.endDate ||
-					$.inArray(prevMonth.getUTCDay(), this.daysOfWeekDisabled) !== -1) {
-					clsName += ' disabled';
-				}
-				html.push('<td class="day'+clsName+'">'+prevMonth.getUTCDate() + '</td>');
-				if (prevMonth.getUTCDay() == this.weekEnd) {
+				clsName = this.getClassNames(prevMonth);
+				clsName.push('day');
+
+				var before = this.o.beforeShowDay(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);
@@ -514,7 +562,7 @@
 								.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>';
+				html += '<span class="year'+(i == -1 ? ' old' : i == 10 ? ' new' : '')+(currentYear == year ? ' active' : '')+(year < startYear || year > endYear ? ' disabled' : '')+'">'+year+'</span>';
 				year += 1;
 			}
 			yearCont.html(html);
@@ -528,12 +576,12 @@
 				month = d.getUTCMonth();
 			switch (this.viewMode) {
 				case 0:
-					if (this.startDate !== -Infinity && year <= this.startDate.getUTCFullYear() && month <= this.startDate.getUTCMonth()) {
+					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.endDate !== Infinity && year >= this.endDate.getUTCFullYear() && month >= this.endDate.getUTCMonth()) {
+					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'});
@@ -541,12 +589,12 @@
 					break;
 				case 1:
 				case 2:
-					if (this.startDate !== -Infinity && year <= this.startDate.getUTCFullYear()) {
+					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.endDate !== Infinity && year >= this.endDate.getUTCFullYear()) {
+					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'});
@@ -562,7 +610,7 @@
 				switch(target[0].nodeName.toLowerCase()) {
 					case 'th':
 						switch(target[0].className) {
-							case 'switch':
+							case 'datepicker-switch':
 								this.showMode(1);
 								break;
 							case 'prev':
@@ -584,9 +632,18 @@
 								date = UTCDate(date.getFullYear(), date.getMonth(), date.getDate(), 0, 0, 0);
 
 								this.showMode(-2);
-								var which = this.todayBtn == 'linked' ? null : 'view';
+								var which = this.o.todayBtn == 'linked' ? null : 'view';
 								this._setDate(date, which);
 								break;
+							case 'clear':
+								if (this.isInput)
+									this.element.val("");
+								else
+									this.element.find('input').val("");
+								this.update();
+								if (this.o.autoclose)
+									this.hide();
+								break;
 						}
 						break;
 					case 'span':
@@ -597,11 +654,8 @@
 								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._trigger('changeMonth', this.viewDate);
+								if (this.o.minViewMode === 1) {
 									this._setDate(UTCDate(year, month, day,0,0,0,0));
 								}
 							} else {
@@ -609,11 +663,8 @@
 								var day = 1;
 								var month = 0;
 								this.viewDate.setUTCFullYear(year);
-								this.element.trigger({
-									type: 'changeYear',
-									date: this.viewDate
-								});
-								if ( this.minViewMode == 2 ) {
+								this._trigger('changeYear', this.viewDate);
+								if (this.o.minViewMode === 2) {
 									this._setDate(UTCDate(year, month, day,0,0,0,0));
 								}
 							}
@@ -650,15 +701,12 @@
 
 		_setDate: function(date, which){
 			if (!which || which == 'date')
-				this.date = date;
+				this.date = new Date(date);
 			if (!which || which  == 'view')
-				this.viewDate = date;
+				this.viewDate = new Date(date);
 			this.fill();
 			this.setValue();
-			this.element.trigger({
-				type: 'changeDate',
-				date: this.date
-			});
+			this._trigger('changeDate');
 			var element;
 			if (this.isInput) {
 				element = this.element;
@@ -667,7 +715,7 @@
 			}
 			if (element) {
 				element.change();
-				if (this.autoclose && (!which || which == 'date')) {
+				if (this.o.autoclose && (!which || which == 'date')) {
 					this.hide();
 				}
 			}
@@ -718,7 +766,7 @@
 		},
 
 		dateWithinRange: function(date){
-			return date >= this.startDate && date <= this.endDate;
+			return date >= this.o.startDate && date <= this.o.endDate;
 		},
 
 		keydown: function(e){
@@ -737,7 +785,7 @@
 					break;
 				case 37: // left
 				case 39: // right
-					if (!this.keyboardNavigation) break;
+					if (!this.o.keyboardNavigation) break;
 					dir = e.keyCode == 37 ? -1 : 1;
 					if (e.ctrlKey){
 						newDate = this.moveYear(this.date, dir);
@@ -762,7 +810,7 @@
 					break;
 				case 38: // up
 				case 40: // down
-					if (!this.keyboardNavigation) break;
+					if (!this.o.keyboardNavigation) break;
 					dir = e.keyCode == 38 ? -1 : 1;
 					if (e.ctrlKey){
 						newDate = this.moveYear(this.date, dir);
@@ -794,10 +842,7 @@
 					break;
 			}
 			if (dateChanged){
-				this.element.trigger({
-					type: 'changeDate',
-					date: this.date
-				});
+				this._trigger('changeDate');
 				var element;
 				if (this.isInput) {
 					element = this.element;
@@ -812,7 +857,7 @@
 
 		showMode: function(dir) {
 			if (dir) {
-				this.viewMode = Math.max(this.minViewMode, Math.min(2, this.viewMode + dir));
+				this.viewMode = Math.max(this.o.minViewMode, Math.min(2, this.viewMode + dir));
 			}
 			/*
 				vitalets: fixing bug of very special conditions:
@@ -829,24 +874,151 @@
 		}
 	};
 
+	var DateRangePicker = function(element, options){
+		this.element = $(element);
+		this.inputs = $.map(options.inputs, function(i){ return i.jquery ? i[0] : i; });
+		delete options.inputs;
+
+		$(this.inputs)
+			.datepicker(options)
+			.bind('changeDate', $.proxy(this.dateUpdated, this));
+
+		this.pickers = $.map(this.inputs, function(i){ return $(i).data('datepicker'); });
+		this.updateDates();
+	};
+	DateRangePicker.prototype = {
+		updateDates: function(){
+			this.dates = $.map(this.pickers, function(i){ return i.date; });
+			this.updateRanges();
+		},
+		updateRanges: function(){
+			var range = $.map(this.dates, function(d){ return d.valueOf(); });
+			$.each(this.pickers, function(i, p){
+				p.setRange(range);
+			});
+		},
+		dateUpdated: function(e){
+			var dp = $(e.target).data('datepicker'),
+				new_date = dp.getUTCDate(),
+				i = $.inArray(e.target, this.inputs),
+				l = this.inputs.length;
+			if (i == -1) return;
+
+			if (new_date < this.dates[i]){
+				// Date being moved earlier/left
+				while (i>=0 && new_date < this.dates[i]){
+					this.pickers[i--].setUTCDate(new_date);
+				}
+			}
+			else if (new_date > this.dates[i]){
+				// Date being moved later/right
+				while (i<l && new_date > this.dates[i]){
+					this.pickers[i++].setUTCDate(new_date);
+				}
+			}
+			this.updateDates();
+		},
+		remove: function(){
+			$.map(this.pickers, function(p){ p.remove(); });
+			delete this.element.data().datepicker;
+		}
+	};
+
+	function opts_from_el(el, prefix){
+		// Derive options from element data-attrs
+		var data = $(el).data(),
+			out = {}, inkey,
+			replace = new RegExp('^' + prefix.toLowerCase() + '([A-Z])'),
+			prefix = new RegExp('^' + prefix.toLowerCase());
+		for (var key in data)
+			if (prefix.test(key)){
+				inkey = key.replace(replace, function(_,a){ return a.toLowerCase(); });
+				out[inkey] = data[key];
+			}
+		return out;
+	}
+
+	function opts_from_locale(lang){
+		// Derive options from locale plugins
+		var out = {};
+		// Check if "de-DE" style date is available, if not language should
+		// fallback to 2 letter code eg "de"
+		if (!dates[lang]) {
+			lang = lang.split('-')[0]
+			if (!dates[lang])
+				return;
+		}
+		var d = dates[lang];
+		$.each($.fn.datepicker.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();
-		return this.each(function () {
+		var internal_return,
+			this_return;
+		this.each(function () {
 			var $this = $(this),
 				data = $this.data('datepicker'),
 				options = typeof option == 'object' && option;
 			if (!data) {
-				$this.data('datepicker', (data = new Datepicker(this, $.extend({}, $.fn.datepicker.defaults,options))));
+				var elopts = opts_from_el(this, 'date'),
+					// Preliminary otions
+					xopts = $.extend({}, $.fn.datepicker.defaults, elopts, options),
+					locopts = opts_from_locale(xopts.language),
+					// Options priority: js args, data-attrs, locales, defaults
+					opts = $.extend({}, $.fn.datepicker.defaults, locopts, elopts, options);
+				if ($this.is('.input-daterange') || opts.inputs){
+					var ropts = {
+						inputs: opts.inputs || $this.find('input').toArray()
+					};
+					$this.data('datepicker', (data = new DateRangePicker(this, $.extend(opts, ropts))));
+				}
+				else{
+					$this.data('datepicker', (data = new Datepicker(this, opts)));
+				}
 			}
 			if (typeof option == 'string' && typeof data[option] == 'function') {
-				data[option].apply(data, args);
+				internal_return = data[option].apply(data, args);
+				if (internal_return !== undefined)
+					return false;
 			}
 		});
+		if (internal_return !== undefined)
+			return internal_return;
+		else
+			return this;
 	};
 
 	$.fn.datepicker.defaults = {
+		autoclose: false,
+		beforeShowDay: $.noop,
+		calendarWeeks: false,
+		clearBtn: false,
+		daysOfWeekDisabled: [],
+		endDate: Infinity,
+		forceParse: true,
+		format: 'mm/dd/yyyy',
+		keyboardNavigation: true,
+		language: 'en',
+		minViewMode: 0,
+		rtl: false,
+		startDate: -Infinity,
+		startView: 0,
+		todayBtn: false,
+		todayHighlight: false,
+		weekStart: 0
 	};
+	$.fn.datepicker.locale_opts = [
+		'format',
+		'rtl',
+		'weekStart'
+	];
 	$.fn.datepicker.Constructor = Datepicker;
 	var dates = $.fn.datepicker.dates = {
 		en: {
@@ -855,7 +1027,8 @@
 			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"
+			today: "Today",
+			clear: "Clear"
 		}
 	};
 
@@ -1000,7 +1173,7 @@
 			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++) {
+			for (var i=0, cnt = format.parts.length; i <= cnt; i++) {
 				if (seps.length)
 					date.push(seps.shift());
 				date.push(val[format.parts[i]]);
@@ -1010,12 +1183,12 @@
 		headTemplate: '<thead>'+
 							'<tr>'+
 								'<th class="prev"><i class="icon-arrow-left"/></th>'+
-								'<th colspan="5" class="switch"></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>'
+		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">'+
@@ -1043,4 +1216,32 @@
 
 	$.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 );