<script src="<%= Url.JavaScript("ui.core.js") %>" type="text/javascript"></script>
    <script src="<%= Url.JavaScript("ui.datepicker.js") %>" type="text/javascript"></script>   
    <script src="<%= Url.JavaScript("jquery.ui.datepicker-en-GB.js") %>" type="text/javascript"></script>
    <script src="<%= Url.JavaScript("jquery.ui.datepicker-en-US.js") %>" type="text/javascript"></script>
    <script type="text/javascript">
        var lang = \'<%=TempData["i18n"] %>\';
        $(function () {
            $.datepicker.setDefaults($.datepicker.regional[lang]);
        });
        $(document).ready(function () {
            /*showOn: \'button\'只用按钮触发事件*/
            $("#Text1").datepicker({ buttonText: \'Date\',showOn: \'both\', buttonImage: \'<%= Url.Image("date.gif") %>\', buttonImageOnly: true, 
      duration: \'fast\', dateFormat: \'yy-mm-dd\', currentText: \'Now\', changeMonth: true, changeYear: true });
        });
    </script>

 

源:http://docs.jquery.com/UI/Datepicker

/*
 * jQuery UI Datepicker 1.7.1
 *
 * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Datepicker
 *
 * Depends:
 *	ui.core.js
 */

(function($) { // hide the namespace

$.extend($.ui, { datepicker: { version: "1.7.1" } });

var PROP_NAME = \'datepicker\';

/* Date picker manager.
   Use the singleton instance of this class, $.datepicker, to interact with the date picker.
   Settings for (groups of) date pickers are maintained in an instance object,
   allowing multiple different settings on the same page. */

function Datepicker() {
	this.debug = false; // Change this to true to start debugging
	this._curInst = null; // The current instance in use
	this._keyEvent = false; // If the last event was a key event
	this._disabledInputs = []; // List of date picker inputs that have been disabled
	this._datepickerShowing = false; // True if the popup picker is showing , false if not
	this._inDialog = false; // True if showing within a "dialog", false if not
	this._mainDivId = \'ui-datepicker-div\'; // The ID of the main datepicker division
	this._inlineClass = \'ui-datepicker-inline\'; // The name of the inline marker class
	this._appendClass = \'ui-datepicker-append\'; // The name of the append marker class
	this._triggerClass = \'ui-datepicker-trigger\'; // The name of the trigger marker class
	this._dialogClass = \'ui-datepicker-dialog\'; // The name of the dialog marker class
	this._disableClass = \'ui-datepicker-disabled\'; // The name of the disabled covering marker class
	this._unselectableClass = \'ui-datepicker-unselectable\'; // The name of the unselectable cell marker class
	this._currentClass = \'ui-datepicker-current-day\'; // The name of the current day marker class
	this._dayOverClass = \'ui-datepicker-days-cell-over\'; // The name of the day hover marker class
	this.regional = []; // Available regional settings, indexed by language code
	this.regional[\'\'] = { // Default regional settings
		closeText: \'Done\', // Display text for close link
		prevText: \'Prev\', // Display text for previous month link
		nextText: \'Next\', // Display text for next month link
		currentText: \'Today\', // Display text for current month link
		monthNames: [\'January\',\'February\',\'March\',\'April\',\'May\',\'June\',
			\'July\',\'August\',\'September\',\'October\',\'November\',\'December\'], // Names of months for drop-down and formatting
		monthNamesShort: [\'Jan\', \'Feb\', \'Mar\', \'Apr\', \'May\', \'Jun\', \'Jul\', \'Aug\', \'Sep\', \'Oct\', \'Nov\', \'Dec\'], // For formatting
		dayNames: [\'Sunday\', \'Monday\', \'Tuesday\', \'Wednesday\', \'Thursday\', \'Friday\', \'Saturday\'], // For formatting
		dayNamesShort: [\'Sun\', \'Mon\', \'Tue\', \'Wed\', \'Thu\', \'Fri\', \'Sat\'], // For formatting
		dayNamesMin: [\'Su\',\'Mo\',\'Tu\',\'We\',\'Th\',\'Fr\',\'Sa\'], // Column headings for days starting at Sunday
		dateFormat: \'mm/dd/yy\', // See format options on parseDate
		firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
		isRTL: false // True if right-to-left language, false if left-to-right
	};
	this._defaults = { // Global defaults for all the date picker instances
		showOn: \'focus\', // \'focus\' for popup on focus,
			// \'button\' for trigger button, or \'both\' for either
		showAnim: \'show\', // Name of jQuery animation for popup
		showOptions: {}, // Options for enhanced animations
		defaultDate: null, // Used when field is blank: actual date,
			// +/-number for offset from today, null for today
		appendText: \'\', // Display text following the input box, e.g. showing the format
		buttonText: \'...\', // Text for trigger button
		buttonImage: \'\', // URL for trigger button image
		buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
		hideIfNoPrevNext: false, // True to hide next/previous month links
			// if not applicable, false to just disable them
		navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
		gotoCurrent: false, // True if today link goes back to current selection instead
		changeMonth: false, // True if month can be selected directly, false if only prev/next
		changeYear: false, // True if year can be selected directly, false if only prev/next
		showMonthAfterYear: false, // True if the year select precedes month, false for month then year
		yearRange: \'-10:+10\', // Range of years to display in drop-down,
			// either relative to current year (-nn:+nn) or absolute (nnnn:nnnn)
		showOtherMonths: false, // True to show dates in other months, false to leave blank
		calculateWeek: this.iso8601Week, // How to calculate the week of the year,
			// takes a Date and returns the number of the week for it
		shortYearCutoff: \'+10\', // Short year values < this are in the current century,
			// > this are in the previous century,
			// string value starting with \'+\' for current year + value
		minDate: null, // The earliest selectable date, or null for no limit
		maxDate: null, // The latest selectable date, or null for no limit
		duration: \'normal\', // Duration of display/closure
		beforeShowDay: null, // Function that takes a date and returns an array with
			// [0] = true if selectable, false if not, [1] = custom CSS class name(s) or \'\',
			// [2] = cell title (optional), e.g. $.datepicker.noWeekends
		beforeShow: null, // Function that takes an input field and
			// returns a set of custom settings for the date picker
		onSelect: null, // Define a callback function when a date is selected
		onChangeMonthYear: null, // Define a callback function when the month or year is changed
		onClose: null, // Define a callback function when the datepicker is closed
		numberOfMonths: 1, // Number of months to show at a time
		showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
		stepMonths: 1, // Number of months to step back/forward
		stepBigMonths: 12, // Number of months to step back/forward for the big links
		altField: \'\', // Selector for an alternate field to store selected dates into
		altFormat: \'\', // The date format to use for the alternate field
		constrainInput: true, // The input is constrained by the current date format
		showButtonPanel: false // True to show button panel, false to not show it
	};
	$.extend(this._defaults, this.regional[\'\']);
	this.dpDiv = $(\'<div id="\' + this._mainDivId + \'" class="ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all ui-helper-hidden-accessible"></div>\');
}

$.extend(Datepicker.prototype, {
	/* Class name added to elements to indicate already configured with a date picker. */
	markerClassName: \'hasDatepicker\',

	/* Debug logging (if enabled). */
	log: function () {
		if (this.debug)
			console.log.apply(\'\', arguments);
	},

	/* Override the default settings for all instances of the date picker.
	   @param  settings  object - the new settings to use as defaults (anonymous object)
	   @return the manager object */
	setDefaults: function(settings) {
		extendRemove(this._defaults, settings || {});
		return this;
	},

	/* Attach the date picker to a jQuery selection.
	   @param  target    element - the target input field or division or span
	   @param  settings  object - the new settings to use for this date picker instance (anonymous) */
	_attachDatepicker: function(target, settings) {
		// check for settings on the control itself - in namespace \'date:\'
		var inlineSettings = null;
		for (var attrName in this._defaults) {
			var attrValue = target.getAttribute(\'date:\' + attrName);
			if (attrValue) {
				inlineSettings = inlineSettings || {};
				try {
					inlineSettings[attrName] = eval(attrValue);
				} catch (err) {
					inlineSettings[attrName] = attrValue;
				}
			}
		}
		var nodeName = target.nodeName.toLowerCase();
		var inline = (nodeName == \'div\' || nodeName == \'span\');
		if (!target.id)
			target.id = \'dp\' + (++this.uuid);
		var inst = this._newInst($(target), inline);
		inst.settings = $.extend({}, settings || {}, inlineSettings || {});
		if (nodeName == \'input\') {
			this._connectDatepicker(target, inst);
		} else if (inline) {
			this._inlineDatepicker(target, inst);
		}
	},

	/* Create a new instance object. */
	_newInst: function(target, inline) {
		var id = target[0].id.replace(/([:\[\]\.])/g, \'\\\\$1\'); // escape jQuery meta chars
		return {id: id, input: target, // associated target
			selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
			drawMonth: 0, drawYear: 0, // month being drawn
			inline: inline, // is datepicker inline or not
			dpDiv: (!inline ? this.dpDiv : // presentation div
			$(\'<div class="\' + this._inlineClass + \' ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>\'))};
	},

	/* Attach the date picker to an input field. */
	_connectDatepicker: function(target, inst) {
		var input = $(target);
		inst.trigger = $([]);
		if (input.hasClass(this.markerClassName))
			return;
		var appendText = this._get(inst, \'appendText\');
		var isRTL = this._get(inst, \'isRTL\');
		if (appendText)
			input[isRTL ? \'before\' : \'after\'](\'<span class="\' + this._appendClass + \'">\' + appendText + \'</span>\');
		var showOn = this._get(inst, \'showOn\');
		if (showOn == \'focus\' || showOn == \'both\') // pop-up date picker when in the marked field
			input.focus(this._showDatepicker);
		if (showOn == \'button\' || showOn == \'both\') { // pop-up date picker when button clicked
			var buttonText = this._get(inst, \'buttonText\');
			var buttonImage = this._get(inst, \'buttonImage\');
			inst.trigger = $(this._get(inst, \'buttonImageOnly\') ?
				$(\'<img/>\').addClass(this._triggerClass).
					attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
				$(\'<button type="button"></button>\').addClass(this._triggerClass).
					html(buttonImage == \'\' ? buttonText : $(\'<img/>\').attr(
					{ src:buttonImage, alt:buttonText, title:buttonText })));
			input[isRTL ? \'before\' : \'after\'](inst.trigger);
			inst.trigger.click(function() {
				if ($.datepicker._datepickerShowing && $.datepicker._lastInput == target)
					$.datepicker._hideDatepicker();
				else
					$.datepicker._showDatepicker(target);
				return false;
			});
		}
		input.addClass(this.markerClassName).keydown(this._doKeyDown).keypress(this._doKeyPress).
			bind("setData.datepicker", function(event, key, value) {
				inst.settings[key] = value;
			}).bind("getData.datepicker", function(event, key) {
				return this._get(inst, key);
			});
		$.data(target, PROP_NAME, inst);
	},

	/* Attach an inline date picker to a div. */
	_inlineDatepicker: function(target, inst) {
		var divSpan = $(target);
		if (divSpan.hasClass(this.markerClassName))
			return;
		divSpan.addClass(this.markerClassName).append(inst.dpDiv).
			bind("setData.datepicker", function(event, key, value){
				inst.settings[key] = value;
			}).bind("getData.datepicker", function(event, key){
				return this._get(inst, key);
			});
		$.data(target, PROP_NAME, inst);
		this._setDate(inst, this._getDefaultDate(inst));
		this._updateDatepicker(inst);
		this._updateAlternate(inst);
	},

	/* Pop-up the date picker in a "dialog" box.
	   @param  input     element - ignored
	   @param  dateText  string - the initial date to display (in the current format)
	   @param  onSelect  function - the function(dateText) to call when a date is selected
	   @param  settings  object - update the dialog date picker instance\'s settings (anonymous object)
	   @param  pos       int[2] - coordinates for the dialog\'s position within the screen or
	                     event - with x/y coordinates or
	                     leave empty for default (screen centre)
	   @return the manager object */
	_dialogDatepicker: function(input, dateText, onSelect, settings, pos) {
		var inst = this._dialogInst; // internal instance
		if (!inst) {
			var id = \'dp\' + (++this.uuid);
			this._dialogInput = $(\'<input type="text" id="\' + id +
				\'" size="1" style="position: absolute; top: -100px;"/>\');
			this._dialogInput.keydown(this._doKeyDown);
			$(\'body\').append(this._dialogInput);
			inst = this._dialogInst = this._newInst(this._dialogInput, false);
			inst.settings = {};
			$.data(this._dialogInput[0], PROP_NAME, inst);
		}
		extendRemove(inst.settings, settings || {});
		this._dialogInput.val(dateText);

		this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
		if (!this._pos) {
			var browserWidth = window.innerWidth || document.documentElement.clientWidth ||	document.body.clientWidth;
			var browserHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
			var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
			var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
			this._pos = // should use actual width/height below
				[(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
		}

		// move input on screen for focus, but hidden behind dialog
		this._dialogInput.css(\'left\', this._pos[0] + \'px\').css(\'top\', this._pos[1] + \'px\');
		inst.settings.onSelect = onSelect;
		this._inDialog = true;
		this.dpDiv.addClass(this._dialogClass);
		this._showDatepicker(this._dialogInput[0]);
		if ($.blockUI)
			$.blockUI(this.dpDiv);
		$.data(this._dialogInput[0], PROP_NAME, inst);
		return this;
	},

	/* Detach a datepicker from its control.
	   @param  target    element - the target input field or division or span */
	_destroyDatepicker: function(target) {
		var $target = $(target);
		var inst = $.data(target, PROP_NAME);
		if (!$target.hasClass(this.markerClassName)) {
			return;
		}
		var nodeName = target.nodeName.toLowerCase();
		$.removeData(target, PROP_NAME);
		if (nodeName == \'input\') {
			inst.trigger.remove();
			$target.siblings(\'.\' + this._appendClass).remove().end().
				removeClass(this.markerClassName).
				unbind(\'focus\', this._showDatepicker).
				unbind(\'keydown\', this._doKeyDown).
				unbind(\'keypress\', this._doKeyPress);
		} else if (nodeName == \'div\' || nodeName == \'span\')
			$target.removeClass(this.markerClassName).empty();
	},

	/* Enable the date picker to a jQuery selection.
	   @param  target    element - the target input field or division or span */
	_enableDatepicker: function(target) {
		var $target = $(target);
		var inst = $.data(target, PROP_NAME);
		if (!$target.hasClass(this.markerClassName)) {
			return;
		}
		var nodeName = target.nodeName.toLowerCase();
		if (nodeName == \'input\') {
		target.disabled = false;
			inst.trigger.filter("button").
			each(function() { this.disabled = false; }).end().
				filter("img").
				css({opacity: \'1.0\', cursor: \'\'});
		}
		else if (nodeName == \'div\' || nodeName == \'span\') {
			var inline = $target.children(\'.\' + this._inlineClass);
			inline.children().removeClass(\'ui-state-disabled\');
		}
		this._disabledInputs = $.map(this._disabledInputs,
			function(value) { return (value == target ? null : value); }); // delete entry
	},

	/* Disable the date picker to a jQuery selection.
	   @param  target    element - the target input field or division or span */
	_disableDatepicker: function(target) {
		var $target = $(target);
		var inst = $.data(target, PROP_NAME);
		if (!$target.hasClass(this.markerClassName)) {
			return;
		}
		var nodeName = target.nodeName.toLowerCase();
		if (nodeName == \'input\') {
		target.disabled = true;
			inst.trigger.filter("button").
			each(function() { this.disabled = true; }).end().
				filter("img").
				css({opacity: \'0.5\', cursor: \'default\'});
		}
		else if (nodeName == \'div\' || nodeName == \'span\') {
			var inline = $target.children(\'.\' + this._inlineClass);
			inline.children().addClass(\'ui-state-disabled\');
		}
		this._disabledInputs = $.map(this._disabledInputs,
			function(value) { return (value == target ? null : value); }); // delete entry
		this._disabledInputs[this._disabledInputs.length] = target;
	},

	/* Is the first field in a jQuery collection disabled as a datepicker?
	   @param  target    element - the target input field or division or span
	   @return boolean - true if disabled, false if enabled */
	_isDisabledDatepicker: function(target) {
		if (!target) {
			return false;
		}
		for (var i = 0; i < this._disabledInputs.length; i++) {
			if (this._disabledInputs[i] == target)
				return true;
		}
		return false;
	},

	/* Retrieve the instance data for the target control.
	   @param  target  element - the target input field or division or span
	   @return  object - the associated instance data
	   @throws  error if a jQuery problem getting data */
	_getInst: function(target) {
		try {
			return $.data(target, PROP_NAME);
		}
		catch (err) {
			throw \'Missing instance data for this datepicker\';
		}
	},

	/* Update the settings for a date picker attached to an input field or division.
	   @param  target  element - the target input field or division or span
	   @param  name    object - the new settings to update or
	                   string - the name of the setting to change or
	   @param  value   any - the new value for the setting (omit if above is an object) */
	_optionDatepicker: function(target, name, value) {
		var settings = name || {};
		if (typeof name == \'string\') {
			settings = {};
			settings[name] = value;
		}
		var inst = this._getInst(target);
		if (inst) {
			if (this._curInst == inst) {
				this._hideDatepicker(null);
			}
			extendRemove(inst.settings, settings);
			var date = new Date();
			extendRemove(inst, {rangeStart: null, // start of range
				endDay: null, endMonth: null, endYear: null, // end of range
				selectedDay: date.getDate(), selectedMonth: date.getMonth(),
				selectedYear: date.getFullYear(), // starting point
				currentDay: date.getDate(), currentMonth: date.getMonth(),
				currentYear: date.getFullYear(), // current selection
				drawMonth: date.getMonth(), drawYear: date.getFullYear()}); // month being drawn
			this._updateDatepicker(inst);
		}
	},

	// change method deprecated
	_changeDatepicker: function(target, name, value) {
		this._optionDatepicker(target, name, value);
	},

	/* Redraw the date picker attached to an input field or division.
	   @param  target  element - the target input field or division or span */
	_refreshDatepicker: function(target) {
		var inst = this._getInst(target);
		if (inst) {
			this._updateDatepicker(inst);
		}
	},

	/* Set the dates for a jQuery selection.
	   @param  target   element - the target input field or division or span
	   @param  date     Date - the new date
	   @param  endDate  Date - the new end date for a range (optional) */
	_setDateDatepicker: function(target, date, endDate) {
		var inst = this._getInst(target);
		if (inst) {
			this._setDate(inst, date, endDate);
			this._updateDatepicker(inst);
			this._updateAlternate(inst);
		}
	},

	/* Get the date(s) for the first entry in a jQuery selection.
	   @param  target  element - the target input field or division or span
	   @return Date - the current date or
	           Date[2] - the current dates for a range */
	_getDateDatepicker: function(target) {
		var inst = this._getInst(target);
		if (inst && !inst.inline)
			this._setDateFromField(inst);
		return (inst ? this._getDate(inst) : null);
	},

	/* Handle keystrokes. */
	_doKeyDown: function(event) {
		var inst = $.datepicker._getInst(event.target);
		var handled = true;
		var isRTL = inst.dpDiv.is(\'.ui-datepicker-rtl\');
		inst._keyEvent = true;
		if ($.datepicker._datepickerShowing)
			switch (event.keyCode) {
				case 9:  $.datepicker._hideDatepicker(null, \'\');
						break; // hide on tab out
				case 13: var sel = $(\'td.\' + $.datepicker._dayOverClass +
							\', td.\' + $.datepicker._currentClass, inst.dpDiv);
						if (sel[0])
							$.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
						else
							$.datepicker._hideDatepicker(null, $.datepicker._get(inst, \'duration\'));
						return false; // don\'t submit the form
						break; // select the value on enter
				case 27: $.datepicker._hideDatepicker(null, $.datepicker._get(inst, \'duration\'));
						break; // hide on escape
				case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
							-$.datepicker._get(inst, \'stepBigMonths\') :
							-$.datepicker._get(inst, \'stepMonths\')), \'M\');
						break; // previous month/year on page up/+ ctrl
				case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
							+$.datepicker._get(inst, \'stepBigMonths\') :
							+$.datepicker._get(inst, \'stepMonths\')), \'M\');
						break; // next month/year on page down/+ ctrl
				case 35: if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
						handled = event.ctrlKey || event.metaKey;
						break; // clear on ctrl or command +end
				case 36: if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
						handled = event.ctrlKey || event.metaKey;
						break; // current on ctrl or command +home
				case 37: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), \'D\');
						handled = event.ctrlKey || event.metaKey;
						// -1 day on ctrl or command +left
						if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
									-$.datepicker._get(inst, \'stepBigMonths\') :
									-$.datepicker._get(inst, \'stepMonths\')), \'M\');
						// next month/year on alt +left on Mac
						break;
				case 38: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, \'D\');
						handled = event.ctrlKey || event.metaKey;
						break; // -1 week on ctrl or command +up
				case 39: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), \'D\');
						handled = event.ctrlKey || event.metaKey;
						// +1 day on ctrl or command +right
						if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
									+$.datepicker._get(inst, \'stepBigMonths\') :
									+$.datepicker._get(inst, \'stepMonths\')), \'M\');
						// next month/year on alt +right
						break;
				case 40: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, \'D\');
						handled = event.ctrlKey || event.metaKey;
						break; // +1 week on ctrl or command +down
				default: handled = false;
			}
		else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
			$.datepicker._showDatepicker(this);
		else {
			handled = false;
		}
		if (handled) {
			event.preventDefault();
			event.stopPropagation();
		}
	},

	/* Filter entered characters - based on date format. */
	_doKeyPress: function(event) {
		var inst = $.datepicker._getInst(event.target);
		if ($.datepicker._get(inst, \'constrainInput\')) {
			var chars = $.datepicker._possibleChars($.datepicker._get(inst, \'dateFormat\'));
			var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
			return event.ctrlKey || (chr < \' \' || !chars || chars.indexOf(chr) > -1);
		}
	},

	/* Pop-up the date picker for a given input field.
	   @param  input  element - the input field attached to the date picker or
	                  event - if triggered by focus */
	_showDatepicker: function(input) {
		input = input.target || input;
		if (input.nodeName.toLowerCase() != \'input\') // find from button/image trigger
			input = $(\'input\', input.parentNode)[0];
		if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
			return;
		var inst = $.datepicker._getInst(input);
		var beforeShow = $.datepicker._get(inst, \'beforeShow\');
		extendRemove(inst.settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {}));
		$.datepicker._hideDatepicker(null, \'\');
		$.datepicker._lastInput = input;
		$.datepicker._setDateFromField(inst);
		if ($.datepicker._inDialog) // hide cursor
			input.value = \'\';
		if (!$.datepicker._pos) { // position below input
			$.datepicker._pos = $.datepicker._findPos(input);
			$.datepicker._pos[1] += input.offsetHeight; // add the height
		}
		var isFixed = false;
		$(input).parents().each(function() {
			isFixed |= $(this).css(\'position\') == \'fixed\';
			return !isFixed;
		});
		if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
			$.datepicker._pos[0] -= document.documentElement.scrollLeft;
			$.datepicker._pos[1] -= document.documentElement.scrollTop;
		}
		var offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
		$.datepicker._pos = null;
		inst.rangeStart = null;
		// determine sizing offscreen
		inst.dpDiv.css({position: \'absolute\', display: \'block\', top: \'-1000px\'});
		$.datepicker._updateDatepicker(inst);
		// fix width for dynamic number of date pickers
		// and adjust position before showing
		offset = $.datepicker._checkOffset(inst, offset, isFixed);
		inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
			\'static\' : (isFixed ? \'fixed\' : \'absolute\')), display: \'none\',
			left: offset.left + \'px\', top: offset.top + \'px\'});
		if (!inst.inline) {
			var showAnim = $.datepicker._get(inst, \'showAnim\') || \'show\';
			var duration = $.datepicker._get(inst, \'duration\');
			var postProcess = function() {
				$.datepicker._datepickerShowing = true;
				if ($.browser.msie && parseInt($.browser.version,10) < 7) // fix IE < 7 select problems
					$(\'iframe.ui-datepicker-cover\').css({width: inst.dpDiv.width() + 4,
						height: inst.dpDiv.height() + 4});
			};
			if ($.effects && $.effects[showAnim])
				inst.dpDiv.show(showAnim, $.datepicker._get(inst, \'showOptions\'), duration, postProcess);
			else
				inst.dpDiv[showAnim](duration, postProcess);
			if (duration == \'\')
				postProcess();
			if (inst.input[0].type != \'hidden\')
				inst.input[0].focus();
			$.datepicker._curInst = inst;
		}
	},

	/* Generate the date picker content. */
	_updateDatepicker: function(inst) {
		var dims = {width: inst.dpDiv.width() + 4,
			height: inst.dpDiv.height() + 4};
		var self = this;
		inst.dpDiv.empty().append(this._generateHTML(inst))
			.find(\'iframe.ui-datepicker-cover\').
				css({width: dims.width, height: dims.height})
			.end()
			.find(\'button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a\')
				.bind(\'mouseout\', function(){
					$(this).removeClass(\'ui-state-hover\');
					if(this.className.indexOf(\'ui-datepicker-prev\') != -1) $(this).removeClass(\'ui-datepicker-prev-hover\');
					if(this.className.indexOf(\'ui-datepicker-next\') != -1) $(this).removeClass(\'ui-datepicker-next-hover\');
				})
				.bind(\'mouseover\', function(){
					if (!self._isDisabledDatepicker( inst.inline ? inst.dpDiv.parent()[0] : inst.input[0])) {
						$(this).parents(\'.ui-datepicker-calendar\').find(\'a\').removeClass(\'ui-state-hover\');
						$(this).addClass(\'ui-state-hover\');
						if(this.className.indexOf(\'ui-datepicker-prev\') != -1) $(this).addClass(\'ui-datepicker-prev-hover\');
						if(this.className.indexOf(\'ui-datepicker-next\') != -1) $(this).addClass(\'ui-datepicker-next-hover\');
					}
				})
			.end()
			.find(\'.\' + this._dayOverClass + \' a\')
				.trigger(\'mouseover\')
			.end();
		var numMonths = this._getNumberOfMonths(inst);
		var cols = numMonths[1];
		var width = 17;
		if (cols > 1) {
			inst.dpDiv.addClass(\'ui-datepicker-multi-\' + cols).css(\'width\', (width * cols) + \'em\');
		} else {
			inst.dpDiv.removeClass(\'ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4\').width(\'\');
		}
		inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? \'add\' : \'remove\') +
			\'Class\'](\'ui-datepicker-multi\');
		inst.dpDiv[(this._get(inst, \'isRTL\') ? \'add\' : \'remove\') +
			\'Class\'](\'ui-datepicker-rtl\');
		if (inst.input && inst.input[0].type != \'hidden\' && inst == $.datepicker._curInst)
			$(inst.input[0]).focus();
	},

	/* Check positioning to remain on screen. */
	_checkOffset: function(inst, offset, isFixed) {
		var dpWidth = inst.dpDiv.outerWidth();
		var dpHeight = inst.dpDiv.outerHeight();
		var inputWidth = inst.input ? inst.input.outerWidth() : 0;
		var inputHeight = inst.input ? inst.input.outerHeight() : 0;
		var viewWidth = (window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth) + $(document).scrollLeft();
		var viewHeight = (window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight) + $(document).scrollTop();

		offset.left -= (this._get(inst, \'isRTL\') ? (dpWidth - inputWidth) : 0);
		offset.left -= (isFixed && offset.left == inst.input.offset().left) ? $(document).scrollLeft() : 0;
		offset.top -= (isFixed && offset.top == (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;

		// now check if datepicker is showing outside window viewport - move to a better place if so.
		offset.left -= (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ? Math.abs(offset.left + dpWidth - viewWidth) : 0;
		offset.top -= (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ? Math.abs(offset.top + dpHeight + inputHeight*2 - viewHeight) : 0;

		return offset;
	},

	/* Find an object\'s position on the screen. */
	_findPos: function(obj) {
        while (obj && (obj.type == \'hidden\' || obj.nodeType != 1)) {
            obj = obj.nextSibling;
        }
        var position = $(obj).offset();
	    return [position.left, position.top];
	},

	/* Hide the date picker from view.
	   @param  input  element - the input field attached to the date picker
	   @param  duration  string - the duration over which to close the date picker */
	_hideDatepicker: function(input, duration) {
		var inst = this._curInst;
		if (!inst || (input && inst != $.data(input, PROP_NAME)))
			return;
		if (inst.stayOpen)
			this._selectDate(\'#\' + inst.id, this._formatDate(inst,
				inst.currentDay, inst.currentMonth, inst.currentYear));
		inst.stayOpen = false;
		if (this._datepickerShowing) {
			duration = (duration != null ? duration : this._get(inst, \'duration\'));
			var showAnim = this._get(inst, \'showAnim\');
			var postProcess = function() {
				$.datepicker._tidyDialog(inst);
			};
			if (duration != \'\' && $.effects && $.effects[showAnim])
				inst.dpDiv.hide(showAnim, $.datepicker._get(inst, \'showOptions\'),
					duration, postProcess);
			else
				inst.dpDiv[(duration == \'\' ? \'hide\' : (showAnim == \'slideDown\' ? \'slideUp\' :
					(showAnim == \'fadeIn\' ? \'fadeOut\' : \'hide\')))](duration, postProcess);
			if (duration == \'\')
				this._tidyDialog(inst);
			var onClose = this._get(inst, \'onClose\');
			if (onClose)
				onClose.apply((inst.input ? inst.input[0] : null),
					[(inst.input ? inst.input.val() : \'\'), inst]);  // trigger custom callback
			this._datepickerShowing = false;
			this._lastInput = null;
			if (this._inDialog) {
				this._dialogInput.css({ position: \'absolute\', left: \'0\', top: \'-100px\' });
				if ($.blockUI) {
					$.unblockUI();
					$(\'body\').append(this.dpDiv);
				}
			}
			this._inDialog = false;
		}
		this._curInst = null;
	},

	/* Tidy up after a dialog display. */
	_tidyDialog: function(inst) {
		inst.dpDiv.removeClass(this._dialogClass).unbind(\'.ui-datepicker-calendar\');
	},

	/* Close date picker if clicked elsewhere. */
	_checkExternalClick: function(event) {
		if (!$.datepicker._curInst)
			return;
		var $target = $(event.target);
		if (($target.parents(\'#\' + $.datepicker._mainDivId).length == 0) &&
				!$target.hasClass($.datepicker.markerClassName) &&
				!$target.hasClass($.datepicker._triggerClass) &&
				$.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI))
			$.datepicker._hideDatepicker(null, \'\');
	},

	/* Adjust one of the date sub-fields. */
	_adjustDate: function(id, offset, period) {
		var target = $(id);
		var inst = this._getInst(target[0]);
		if (this._isDisabledDatepicker(target[0])) {
			return;
		}
		this._adjustInstDate(inst, offset +
			(period == \'M\' ? this._get(inst, \'showCurrentAtPos\') : 0), // undo positioning
			period);
		this._updateDatepicker(inst);
	},

	/* Action for current link. */
	_gotoToday: function(id) {
		var target = $(id);
		var inst = this._getInst(target[0]);
		if (this._get(inst, \'gotoCurrent\') && inst.currentDay) {
			inst.selectedDay = inst.currentDay;
			inst.drawMonth = inst.selectedMonth = inst.currentMonth;
			inst.drawYear = inst.selectedYear = inst.currentYear;
		}
		else {
		var date = new Date();
		inst.selectedDay = date.getDate();
		inst.drawMonth = inst.selectedMonth = date.getMonth();
		inst.drawYear = inst.selectedYear = date.getFullYear();
		}
		this._notifyChange(inst);
		this._adjustDate(target);
	},

	/* Action for selecting a new month/year. */
	_selectMonthYear: function(id, select, period) {
		var target = $(id);
		var inst = this._getInst(target[0]);
		inst._selectingMonthYear = false;
		inst[\'selected\' + (period == \'M\' ? \'Month\' : \'Year\')] =
		inst[\'draw\' + (period == \'M\' ? \'Month\' : \'Year\')] =
			parseInt(select.options[select.selectedIndex].value,10);
		this._notifyChange(inst);
		this._adjustDate(target);
	},

	/* Restore input focus after not changing month/year. */
	_clickMonthYear: function(id) {
		var target = $(id);
		var inst = this._getInst(target[0]);
		if (inst.input && inst._selectingMonthYear && !$.browser.msie)
			inst.input[0].focus();
		inst._selectingMonthYear = !inst._selectingMonthYear;
	},

	/* Action for selecting a day. */
	_selectDay: function(id, month, year, td) {
		var target = $(id);
		if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
			return;
		}
		var inst = this._getInst(target[0]);
		inst.selectedDay = inst.currentDay = $(\'a\', td).html();
		inst.selectedMonth = inst.currentMonth = month;
		inst.selectedYear = inst.currentYear = year;
		if (inst.stayOpen) {
			inst.endDay = inst.endMonth = inst.endYear = null;
		}
		this._selectDate(id, this._formatDate(inst,
			inst.currentDay, inst.currentMonth, inst.currentYear));
		if (inst.stayOpen) {
			inst.rangeStart = this._daylightSavingAdjust(
				new Date(inst.currentYear, inst.currentMonth, inst.currentDay));
			this._updateDatepicker(inst);
		}
	},

	/* Erase the input field and hide the date picker. */
	_clearDate: function(id) {
		var target = $(id);
		var inst = this._getInst(target[0]);
		inst.stayOpen = false;
		inst.endDay = inst.endMonth = inst.endYear = inst.rangeStart = null;
		this._selectDate(target, \'\');
	},

	/* Update the input field with the selected date. */
	_selectDate: function(id, dateStr) {
		var target = $(id);
		var inst = this._getInst(target[0]);
		dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
		if (inst.input)
			inst.input.val(dateStr);
		this._updateAlternate(inst);
		var onSelect = this._get(inst, \'onSelect\');
		if (onSelect)
			onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);  // trigger custom callback
		else if (inst.input)
			inst.input.trigger(\'change\'); // fire the change event
		if (inst.inline)
			this._updateDatepicker(inst);
		else if (!inst.stayOpen) {
			this._hideDatepicker(null, this._get(inst, \'duration\'));
			this._lastInput = inst.input[0];
			if (typeof(inst.input[0]) != \'object\')
				inst.input[0].focus(); // restore focus
			this._lastInput = null;
		}
	},

	/* Update any alternate field to synchronise with the main field. */
	_updateAlternate: function(inst) {
		var altField = this._get(inst, \'altField\');
		if (altField) { // update alternate field too
			var altFormat = this._get(inst, \'altFormat\') || this._get(inst, \'dateFormat\');
			var date = this._getDate(inst);
			dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
			$(altField).each(function() { $(this).val(dateStr); });
		}
	},

	/* Set as beforeShowDay function to prevent selection of weekends.
	   @param  date  Date - the date to customise
	   @return [boolean, string] - is this date selectable?, what is its CSS class? */
	noWeekends: function(date) {
		var day = date.getDay();
		return [(day > 0 && day < 6), \'\'];
	},

	/* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
	   @param  date  Date - the date to get the week for
	   @return  number - the number of the week within the year that contains this date */
	iso8601Week: function(date) {
		var checkDate = new Date(date.getFullYear(), date.getMonth(), date.getDate());
		var firstMon = new Date(checkDate.getFullYear(), 1 - 1, 4); // First week always contains 4 Jan
		var firstDay = firstMon.getDay() || 7; // Day of week: Mon = 1, ..., Sun = 7
		firstMon.setDate(firstMon.getDate() + 1 - firstDay); // Preceding Monday
		if (firstDay < 4 && checkDate < firstMon) { // Adjust first three days in year if necessary
			checkDate.setDate(checkDate.getDate() - 3); // Generate for previous year
			return $.datepicker.iso8601Week(checkDate);
		} else if (checkDate > new Date(checkDate.getFullYear(), 12 - 1, 28)) { // Check last three days in year
			firstDay = new Date(checkDate.getFullYear() + 1, 1 - 1, 4).getDay() || 7;
			if (firstDay > 4 && (checkDate.getDay() || 7) < firstDay - 3) { // Adjust if necessary
				return 1;
			}
		}
		return Math.floor(((checkDate - firstMon) / 86400000) / 7) + 1; // Weeks to given date
	},

	/* Parse a string value into a date object.
	   See formatDate below for the possible formats.

	   @param  format    string - the expected format of the date
	   @param  value     string - the date in the above format
	   @param  settings  Object - attributes include:
	                     shortYearCutoff  number - the cutoff year for determining the century (optional)
	                     dayNamesShort    string[7] - abbreviated names of the days from Sunday (optional)
	                     dayNames         string[7] - names of the days from Sunday (optional)
	                     monthNamesShort  string[12] - abbreviated names of the months (optional)
	                     monthNames       string[12] - names of the months (optional)
	   @return  Date - the extracted date value or null if value is blank */
	parseDate: function (format, value, settings) {
		if (format == null || value == null)
			throw \'Invalid arguments\';
		value = (typeof value == \'object\' ? value.toString() : value + \'\');
		if (value == \'\')
			return null;
		var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff;
		var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
		var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
		var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
		var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
		var year = -1;
		var month = -1;
		var day = -1;
		var doy = -1;
		var literal = false;
		// Check whether a format character is doubled
		var lookAhead = function(match) {
			var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
			if (matches)
				iFormat++;
			return matches;
		};
		// Extract a number from the string value
		var getNumber = function(match) {
			lookAhead(match);
			var origSize = (match == \'@\' ? 14 : (match == \'y\' ? 4 : (match == \'o\' ? 3 : 2)));
			var size = origSize;
			var num = 0;
			while (size > 0 && iValue < value.length &&
					value.charAt(iValue) >= \'0\' && value.charAt(iValue) <= \'9\') {
				num = num * 10 + parseInt(value.charAt(iValue++),10);
				size--;
			}
			if (size == origSize)
				throw \'Missing number at position \' + iValue;
			return num;
		};
		// Extract a name from the string value and convert to an index
		var getName = function(match, shortNames, longNames) {
			var names = (lookAhead(match) ? longNames : shortNames);
			var size = 0;
			for (var j = 0; j < names.length; j++)
				size = Math.max(size, names[j].length);
			var name = \'\';
			var iInit = iValue;
			while (size > 0 && iValue < value.length) {
				name += value.charAt(iValue++);
				for (var i = 0; i < names.length; i++)
					if (name == names[i])
						return i + 1;
				size--;
			}
			throw \'Unknown name at position \' + iInit;
		};
		// Confirm that a literal character matches the string value
		var checkLiteral = function() {
			if (value.charAt(iValue) != format.charAt(iFormat))
				throw \'Unexpected literal at position \' + iValue;
			iValue++;
		};
		var iValue = 0;
		for (var iFormat = 0; iFormat < format.length; iFormat++) {
			if (literal)
				if (format.charAt(iFormat) == "\'" && !lookAhead("\'"))
					literal = false;
				else
					checkLiteral();
			else
				switch (format.charAt(iFormat)) {
					case \'d\':
						day = getNumber(\'d\');
						break;
					case \'D\':
						getName(\'D\', dayNamesShort, dayNames);
						break;
					case \'o\':
						doy = getNumber(\'o\');
						break;
					case \'m\':
						month = getNumber(\'m\');
						break;
					case \'M\':
						month = getName(\'M\', monthNamesShort, monthNames);
						break;
					case \'y\':
						year = getNumber(\'y\');
						break;
					case \'@\':
						var date = new Date(getNumber(\'@\'));
						year = date.getFullYear();
						month = date.getMonth() + 1;
						day = date.getDate();
						break;
					case "\'":
						if (lookAhead("\'"))
							checkLiteral();
						else
							literal = true;
						break;
					default:
						checkLiteral();
				}
		}
		if (year == -1)
			year = new Date().getFullYear();
		else if (year < 100)
			year += new Date().getFullYear() - new Date().getFullYear() % 100 +
				(year <= shortYearCutoff ? 0 : -100);
		if (doy > -1) {
			month = 1;
			day = doy;
			do {
				var dim = this._getDaysInMonth(year, month - 1);
				if (day <= dim)
					break;
				month++;
				day -= dim;
			} while (true);
		}
		var date = this._daylightSavingAdjust(new Date(year, month - 1, day));
		if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day)
			throw \'Invalid date\'; // E.g. 31/02/*
		return date;
	},

	/* Standard date formats. */
	ATOM: \'yy-mm-dd\', // RFC 3339 (ISO 8601)
	COOKIE: \'D, dd M yy\',
	ISO_8601: \'yy-mm-dd\',
	RFC_822: \'D, d M y\',
	RFC_850: \'DD, dd-M-y\',
	RFC_1036: \'D, d M y\',
	RFC_1123: \'D, d M yy\',
	RFC_2822: \'D, d M yy\',
	RSS: \'D, d M y\', // RFC 822
	TIMESTAMP: \'@\',
	W3C: \'yy-mm-dd\', // ISO 8601

	/* Format a date object into a string value.
	   The format can be combinations of the following:
	   d  - day of month (no leading zero)
	   dd - day of month (two digit)
	   o  - day of year (no leading zeros)
	   oo - day of year (three digit)
	   D  - day name short
	   DD - day name long
	   m  - month of year (no leading zero)
	   mm - month of year (two digit)
	   M  - month name short
	   MM - month name long
	   y  - year (two digit)
	   yy - year (four digit)
	   @ - Unix timestamp (ms since 01/01/1970)
	   \'...\' - literal text
	   \'\' - single quote

	   @param  format    string - the desired format of the date
	   @param  date      Date - the date value to format
	   @param  settings  Object - attributes include:
	                     dayNamesShort    string[7] - abbreviated names of the days from Sunday (optional)
	                     dayNames         string[7] - names of the days from Sunday (optional)
	                     monthNamesShort  string[12] - abbreviated names of the months (optional)
	                     monthNames       string[12] - names of the months (optional)
	   @return  string - the date in the above format */
	formatDate: function (format, date, settings) {
		if (!date)
			return \'\';
		var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
		var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
		var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
		var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
		// Check whether a format character is doubled
		var lookAhead = function(match) {
			var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
			if (matches)
				iFormat++;
			return matches;
		};
		// Format a number, with leading zero if necessary
		var formatNumber = function(match, value, len) {
			var num = \'\' + value;
			if (lookAhead(match))
				while (num.length < len)
					num = \'0\' + num;
			return num;
		};
		// Format a name, short or long as requested
		var formatName = function(match, value, shortNames, longNames) {
			return (lookAhead(match) ? longNames[value] : shortNames[value]);
		};
		var output = \'\';
		var literal = false;
		if (date)
			for (var iFormat = 0; iFormat < format.length; iFormat++) {
				if (literal)
					if (format.charAt(iFormat) == "\'" && !lookAhead("\'"))
						literal = false;
					else
						output += format.charAt(iFormat);
				else
					switch (format.charAt(iFormat)) {
						case \'d\':
							output += formatNumber(\'d\', date.getDate(), 2);
							break;
						case \'D\':
							output += formatName(\'D\', date.getDay(), dayNamesShort, dayNames);
							break;
						case \'o\':
							var doy = date.getDate();
							for (var m = date.getMonth() - 1; m >= 0; m--)
								doy += this._getDaysInMonth(date.getFullYear(), m);
							output += formatNumber(\'o\', doy, 3);
							break;
						case \'m\':
							output += formatNumber(\'m\', date.getMonth() + 1, 2);
							break;
						case \'M\':
							output += formatName(\'M\', date.getMonth(), monthNamesShort, monthNames);
							break;
						case \'y\':
							output += (lookAhead(\'y\') ? date.getFullYear() :
								(date.getYear() % 100 < 10 ? \'0\' : \'\') + date.getYear() % 100);
							break;
						case \'@\':
							output += date.getTime();
							break;
						case "\'":
							if (lookAhead("\'"))
								output += "\'";
							else
								literal = true;
							break;
						default:
							output += format.charAt(iFormat);
					}
			}
		return output;
	},

	/* Extract all possible characters from the date format. */
	_possibleChars: function (format) {
		var chars = \'\';
		var literal = false;
		for (var iFormat = 0; iFormat < format.length; iFormat++)
			if (literal)
				if (format.charAt(iFormat) == "\'" && !lookAhead("\'"))
					literal = false;
				else
					chars += format.charAt(iFormat);
			else
				switch (format.charAt(iFormat)) {
					case \'d\': case \'m\': case \'y\': case \'@\':
						chars += \'0123456789\';
						break;
					case \'D\': case \'M\':
						return null; // Accept anything
					case "\'":
						if (lookAhead("\'"))
							chars += "\'";
						else
							literal = true;
						break;
					default:
						chars += format.charAt(iFormat);
				}
		return chars;
	},

	/* Get a setting value, defaulting if necessary. */
	_get: function(inst, name) {
		return inst.settings[name] !== undefined ?
			inst.settings[name] : this._defaults[name];
	},

	/* Parse existing date and initialise date picker. */
	_setDateFromField: function(inst) {
		var dateFormat = this._get(inst, \'dateFormat\');
		var dates = inst.input ? inst.input.val() : null;
		inst.endDay = inst.endMonth = inst.endYear = null;
		var date = defaultDate = this._getDefaultDate(inst);
		var settings = this._getFormatConfig(inst);
		try {
			date = this.parseDate(dateFormat, dates, settings) || defaultDate;
		} catch (event) {
			this.log(event);
			date = defaultDate;
		}
		inst.selectedDay = date.getDate();
		inst.drawMonth = inst.selectedMonth = date.getMonth();
		inst.drawYear = inst.selectedYear = date.getFullYear();
		inst.currentDay = (dates ? date.getDate() : 0);
		inst.currentMonth = (dates ? date.getMonth() : 0);
		inst.currentYear = (dates ? date.getFullYear() : 0);
		this._adjustInstDate(inst);
	},

	/* Retrieve the default date shown on opening. */
	_getDefaultDate: function(inst) {
		var date = this._determineDate(this._get(inst, \'defaultDate\'), new Date());
		var minDate = this._getMinMaxDate(inst, \'min\', true);
		var maxDate = this._getMinMaxDate(inst, \'max\');
		date = (minDate && date < minDate ? minDate : date);
		date = (maxDate && date > maxDate ? maxDate : date);
		return date;
	},

	/* A date may be specified as an exact value or a relative one. */
	_determineDate: function(date, defaultDate) {
		var offsetNumeric = function(offset) {
			var date = new Date();
			date.setDate(date.getDate() + offset);
			return date;
		};
		var offsetString = function(offset, getDaysInMonth) {
			var date = new Date();
			var year = date.getFullYear();
			var month = date.getMonth();
			var day = date.getDate();
			var pattern = /([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g;
			var matches = pattern.exec(offset);
			while (matches) {
				switch (matches[2] || \'d\') {
					case \'d\' : case \'D\' :
						day += parseInt(matches[1],10); break;
					case \'w\' : case \'W\' :
						day += parseInt(matches[1],10) * 7; break;
					case \'m\' : case \'M\' :
						month += parseInt(matches[1],10);
						day = Math.min(day, getDaysInMonth(year, month));
						break;
					case \'y\': case \'Y\' :
						year += parseInt(matches[1],10);
						day = Math.min(day, getDaysInMonth(year, month));
						break;
				}
				matches = pattern.exec(offset);
			}
			return new Date(year, month, day);
		};
		date = (date == null ? defaultDate :
			(typeof date == \'string\' ? offsetString(date, this._getDaysInMonth) :
			(typeof date == \'number\' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : date)));
		date = (date && date.toString() == \'Invalid Date\' ? defaultDate : date);
		if (date) {
			date.setHours(0);
			date.setMinutes(0);
			date.setSeconds(0);
			date.setMilliseconds(0);
		}
		return this._daylightSavingAdjust(date);
	},

	/* Handle switch to/from daylight saving.
	   Hours may be non-zero on daylight saving cut-over:
	   > 12 when midnight changeover, but then cannot generate
	   midnight datetime, so jump to 1AM, otherwise reset.
	   @param  date  (Date) the date to check
	   @return  (Date) the corrected date */
	_daylightSavingAdjust: function(date) {
		if (!date) return null;
		date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
		return date;
	},

	/* Set the date(s) directly. */
	_setDate: function(inst, date, endDate) {
		var clear = !(date);
		var origMonth = inst.selectedMonth;
		var origYear = inst.selectedYear;
		date = this._determineDate(date, new Date());
		inst.selectedDay = inst.currentDay = date.getDate();
		inst.drawMonth = inst.selectedMonth = inst.currentMonth = date.getMonth();
		inst.drawYear = inst.selectedYear = inst.currentYear = date.getFullYear();
		if (origMonth != inst.selectedMonth || origYear != inst.selectedYear)
			this._notifyChange(inst);
		this._adjustInstDate(inst);
		if (inst.input) {
			inst.input.val(clear ? \'\' : this._formatDate(inst));
		}
	},

	/* Retrieve the date(s) directly. */
	_getDate: function(inst) {
		var startDate = (!inst.currentYear || (inst.input && inst.input.val() == \'\') ? null :
			this._daylightSavingAdjust(new Date(
			inst.currentYear, inst.currentMonth, inst.currentDay)));
			return startDate;
	},

	/* Generate the HTML for the current state of the date picker. */
	_generateHTML: function(inst) {
		var today = new Date();
		today = this._daylightSavingAdjust(
			new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time
		var isRTL = this._get(inst, \'isRTL\');
		var showButtonPanel = this._get(inst, \'showButtonPanel\');
		var hideIfNoPrevNext = this._get(inst, \'hideIfNoPrevNext\');
		var navigationAsDateFormat = this._get(inst, \'navigationAsDateFormat\');
		var numMonths = this._getNumberOfMonths(inst);
		var showCurrentAtPos = this._get(inst, \'showCurrentAtPos\');
		var stepMonths = this._get(inst, \'stepMonths\');
		var stepBigMonths = this._get(inst, \'stepBigMonths\');
		var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
		var currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
			new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
		var minDate = this._getMinMaxDate(inst, \'min\', true);
		var maxDate = this._getMinMaxDate(inst, \'max\');
		var drawMonth = inst.drawMonth - showCurrentAtPos;
		var drawYear = inst.drawYear;
		if (drawMonth < 0) {
			drawMonth += 12;
			drawYear--;
		}
		if (maxDate) {
			var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
				maxDate.getMonth() - numMonths[1] + 1, maxDate.getDate()));
			maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
			while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
				drawMonth--;
				if (drawMonth < 0) {
					drawMonth = 11;
					drawYear--;
				}
			}
		}
		inst.drawMonth = drawMonth;
		inst.drawYear = drawYear;
		var prevText = this._get(inst, \'prevText\');
		prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
			this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
			this._getFormatConfig(inst)));
		var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
			\'<a class="ui-datepicker-prev ui-corner-all" onclick="DP_jQuery.datepicker._adjustDate(\\'#\' + inst.id + \'\\', -\' + stepMonths + \', \\'M\\');"\' +
			\' title="\' + prevText + \'"><span class="ui-icon ui-icon-circle-triangle-\' + ( isRTL ? \'e\' : \'w\') + \'">\' + prevText + \'</span></a>\' :
			(hideIfNoPrevNext ? \'\' : \'<a class="ui-datepicker-prev ui-corner-all ui-state-disabled" title="\'+ prevText +\'"><span class="ui-icon ui-icon-circle-triangle-\' + ( isRTL ? \'e\' : \'w\') + \'">\' + prevText + \'</span></a>\'));
		var nextText = this._get(inst, \'nextText\');
		nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
			this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
			this._getFormatConfig(inst)));
		var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
			\'<a class="ui-datepicker-next ui-corner-all" onclick="DP_jQuery.datepicker._adjustDate(\\'#\' + inst.id + \'\\', +\' + stepMonths + \', \\'M\\');"\' +
			\' title="\' + nextText + \'"><span class="ui-icon ui-icon-circle-triangle-\' + ( isRTL ? \'w\' : \'e\') + \'">\' + nextText + \'</span></a>\' :
			(hideIfNoPrevNext ? \'\' : \'<a class="ui-datepicker-next ui-corner-all ui-state-disabled" title="\'+ nextText + \'"><span class="ui-icon ui-icon-circle-triangle-\' + ( isRTL ? \'w\' : \'e\') + \'">\' + nextText + \'</span></a>\'));
		var currentText = this._get(inst, \'currentText\');
		var gotoDate = (this._get(inst, \'gotoCurrent\') && inst.currentDay ? currentDate : today);
		currentText = (!navigationAsDateFormat ? currentText :
			this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
		var controls = (!inst.inline ? \'<button type="button" class="ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all" onclick="DP_jQuery.datepicker._hideDatepicker();">\' + this._get(inst, \'closeText\') + \'</button>\' : \'\');
		var buttonPanel = (showButtonPanel) ? \'<div class="ui-datepicker-buttonpane ui-widget-content">\' + (isRTL ? controls : \'\') +
			(this._isInRange(inst, gotoDate) ? \'<button type="button" class="ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all" onclick="DP_jQuery.datepicker._gotoToday(\\'#\' + inst.id + \'\\');"\' +
			\'>\' + currentText + \'</button>\' : \'\') + (isRTL ? \'\' : controls) + \'</div>\' : \'\';
		var firstDay = parseInt(this._get(inst, \'firstDay\'),10);
		firstDay = (isNaN(firstDay) ? 0 : firstDay);
		var dayNames = this._get(inst, \'dayNames\');
		var dayNamesShort = this._get(inst, \'dayNamesShort\');
		var dayNamesMin = this._get(inst, \'dayNamesMin\');
		var monthNames = this._get(inst, \'monthNames\');
		var monthNamesShort = this._get(inst, \'monthNamesShort\');
		var beforeShowDay = this._get(inst, \'beforeShowDay\');
		var showOtherMonths = this._get(inst, \'showOtherMonths\');
		var calculateWeek = this._get(inst, \'calculateWeek\') || this.iso8601Week;
		var endDate = inst.endDay ? this._daylightSavingAdjust(
			new Date(inst.endYear, inst.endMonth, inst.endDay)) : currentDate;
		var defaultDate = this._getDefaultDate(inst);
		var html = \'\';
		for (var row = 0; row < numMonths[0]; row++) {
			var group = \'\';
			for (var col = 0; col < numMonths[1]; col++) {
				var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
				var cornerClass = \' ui-corner-all\';
				var calender = \'\';
				if (isMultiMonth) {
					calender += \'<div class="ui-datepicker-group ui-datepicker-group-\';
					switch (col) {
						case 0: calender += \'first\'; cornerClass = \' ui-corner-\' + (isRTL ? \'right\' : \'left\'); break;
						case numMonths[1]-1: calender += \'last\'; cornerClass = \' ui-corner-\' + (isRTL ? \'left\' : \'right\'); break;
						default: calender += \'middle\'; cornerClass = \'\'; break;
					}
					calender += \'">\';
				}
				calender += \'<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix\' + cornerClass + \'">\' +
					(/all|left/.test(cornerClass) && row == 0 ? (isRTL ? next : prev) : \'\') +
					(/all|right/.test(cornerClass) && row == 0 ? (isRTL ? prev : next) : \'\') +
					this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
					selectedDate, row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
					\'</div><table class="ui-datepicker-calendar"><thead>\' +
					\'<tr>\';
				var thead = \'\';
				for (var dow = 0; dow < 7; dow++) { // days of the week
					var day = (dow + firstDay) % 7;
					thead += \'<th\' + ((dow + firstDay + 6) % 7 >= 5 ? \' class="ui-datepicker-week-end"\' : \'\') + \'>\' +
						\'<span title="\' + dayNames[day] + \'">\' + dayNamesMin[day] + \'</span></th>\';
				}
				calender += thead + \'</tr></thead><tbody>\';
				var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
				if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
					inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
				var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
				var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate
				var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
				for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
					calender += \'<tr>\';
					var tbody = \'\';
					for (var dow = 0; dow < 7; dow++) { // create date picker days
						var daySettings = (beforeShowDay ?
							beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, \'\']);
						var otherMonth = (printDate.getMonth() != drawMonth);
						var unselectable = otherMonth || !daySettings[0] ||
							(minDate && printDate < minDate) || (maxDate && printDate > maxDate);
						tbody += \'<td class="\' +
							((dow + firstDay + 6) % 7 >= 5 ? \' ui-datepicker-week-end\' : \'\') + // highlight weekends
							(otherMonth ? \' ui-datepicker-other-month\' : \'\') + // highlight days from other months
							((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || // user pressed key
							(defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ?
							// or defaultDate is current printedDate and defaultDate is selectedDate
							\' \' + this._dayOverClass : \'\') + // highlight selected day
							(unselectable ? \' \' + this._unselectableClass + \' ui-state-disabled\': \'\') +  // highlight unselectable days
							(otherMonth && !showOtherMonths ? \'\' : \' \' + daySettings[1] + // highlight custom dates
							(printDate.getTime() >= currentDate.getTime() && printDate.getTime() <= endDate.getTime() ? // in current range
							\' \' + this._currentClass : \'\') + // highlight selected day
							(printDate.getTime() == today.getTime() ? \' ui-datepicker-today\' : \'\')) + \'"\' + // highlight today (if different)
							((!otherMonth || showOtherMonths) && daySettings[2] ? \' title="\' + daySettings[2] + \'"\' : \'\') + // cell title
							(unselectable ? \'\' : \' onclick="DP_jQuery.datepicker._selectDay(\\'#\' +
							inst.id + \'\\',\' + drawMonth + \',\' + drawYear + \', this);return false;"\') + \'>\' + // actions
							(otherMonth ? (showOtherMonths ? printDate.getDate() : \' \') : // display for other months
							(unselectable ? \'<span class="ui-state-default">\' + printDate.getDate() + \'</span>\' : \'<a class="ui-state-default\' +
							(printDate.getTime() == today.getTime() ? \' ui-state-highlight\' : \'\') +
							(printDate.getTime() >= currentDate.getTime() && printDate.getTime() <= endDate.getTime() ? // in current range
							\' ui-state-active\' : \'\') + // highlight selected day
							\'" href="#">\' + printDate.getDate() + \'</a>\')) + \'</td>\'; // display for this month
						printDate.setDate(printDate.getDate() + 1);
						printDate = this._daylightSavingAdjust(printDate);
					}
					calender += tbody + \'</tr>\';
				}
				drawMonth++;
				if (drawMonth > 11) {
					drawMonth = 0;
					drawYear++;
				}
				calender += \'</tbody></table>\' + (isMultiMonth ? \'</div>\' + 
							((numMonths[0] > 0 && col == numMonths[1]-1) ? \'<div class="ui-datepicker-row-break"></div>\' : \'\') : \'\');
				group += calender;
			}
			html += group;
		}
		html += buttonPanel + ($.browser.msie && parseInt($.browser.version,10) < 7 && !inst.inline ?
			\'<iframe src="javascript:false;" class="ui-datepicker-cover" frameborder="0"></iframe>\' : \'\');
		inst._keyEvent = false;
		return html;
	},

	/* Generate the month and year header. */
	_generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
			selectedDate, secondary, monthNames, monthNamesShort) {
		minDate = (inst.rangeStart && minDate && selectedDate < minDate ? selectedDate : minDate);
		var changeMonth = this._get(inst, \'changeMonth\');
		var changeYear = this._get(inst, \'changeYear\');
		var showMonthAfterYear = this._get(inst, \'showMonthAfterYear\');
		var html = \'<div class="ui-datepicker-title">\';
		var monthHtml = \'\';
		// month selection
		if (secondary || !changeMonth)
			monthHtml += \'<span class="ui-datepicker-month">\' + monthNames[drawMonth] + \'</span> \';
		else {
			var inMinYear = (minDate && minDate.getFullYear() == drawYear);
			var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
			monthHtml += \'<select class="ui-datepicker-month" \' +
				\'onchange="DP_jQuery.datepicker._selectMonthYear(\\'#\' + inst.id + \'\\', this, \\'M\\');" \' +
				\'onclick="DP_jQuery.datepicker._clickMonthYear(\\'#\' + inst.id + \'\\');"\' +
			 	\'>\';
			for (var month = 0; month < 12; month++) {
				if ((!inMinYear || month >= minDate.getMonth()) &&
						(!inMaxYear || month <= maxDate.getMonth()))
					monthHtml += \'<option value="\' + month + \'"\' +
						(month == drawMonth ? \' selected="selected"\' : \'\') +
						\'>\' + monthNamesShort[month] + \'</option>\';
			}
			monthHtml += \'</select>\';
		}
		if (!showMonthAfterYear)
			html += monthHtml + ((secondary || changeMonth || changeYear) && (!(changeMonth && changeYear)) ? \' \' : \'\');
		// year selection
		if (secondary || !changeYear)
			html += \'<span class="ui-datepicker-year">\' + drawYear + \'</span>\';
		else {
			// determine range of years to display
			var years = this._get(inst, \'yearRange\').split(\':\');
			var year = 0;
			var endYear = 0;
			if (years.length != 2) {
				year = drawYear - 10;
				endYear = drawYear + 10;
			} else if (years[0].charAt(0) == \'+\' || years[0].charAt(0) == \'-\') {
				year = drawYear + parseInt(years[0], 10);
				endYear = drawYear + parseInt(years[1], 10);
			} else {
				year = parseInt(years[0], 10);
				endYear = parseInt(years[1], 10);
			}
			year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
			endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
			html += \'<select class="ui-datepicker-year" \' +
				\'onchange="DP_jQuery.datepicker._selectMonthYear(\\'#\' + inst.id + \'\\', this, \\'Y\\');" \' +
				\'onclick="DP_jQuery.datepicker._clickMonthYear(\\'#\' + inst.id + \'\\');"\' +
				\'>\';
			for (; year <= endYear; year++) {
				html += \'<option value="\' + year + \'"\' +
					(year == drawYear ? \' selected="selected"\' : \'\') +
					\'>\' + year + \'</option>\';
			}
			html += \'</select>\';
		}
		if (showMonthAfterYear)
			html += (secondary || changeMonth || changeYear ? \' \' : \'\') + monthHtml;
		html += \'</div>\'; // Close datepicker_header
		return html;
	},

	/* Adjust one of the date sub-fields. */
	_adjustInstDate: function(inst, offset, period) {
		var year = inst.drawYear + (period == \'Y\' ? offset : 0);
		var month = inst.drawMonth + (period == \'M\' ? offset : 0);
		var day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) +
			(period == \'D\' ? offset : 0);
		var date = this._daylightSavingAdjust(new Date(year, month, day));
		// ensure it is within the bounds set
		var minDate = this._getMinMaxDate(inst, \'min\', true);
		var maxDate = this._getMinMaxDate(inst, \'max\');
		date = (minDate && date < minDate ? minDate : date);
		date = (maxDate && date > maxDate ? maxDate : date);
		inst.selectedDay = date.getDate();
		inst.drawMonth = inst.selectedMonth = date.getMonth();
		inst.drawYear = inst.selectedYear = date.getFullYear();
		if (period == \'M\' || period == \'Y\')
			this._notifyChange(inst);
	},

	/* Notify change of month/year. */
	_notifyChange: function(inst) {
		var onChange = this._get(inst, \'onChangeMonthYear\');
		if (onChange)
			onChange.apply((inst.input ? inst.input[0] : null),
				[inst.selectedYear, inst.selectedMonth + 1, inst]);
	},

	/* Determine the number of months to show. */
	_getNumberOfMonths: function(inst) {
		var numMonths = this._get(inst, \'numberOfMonths\');
		return (numMonths == null ? [1, 1] : (typeof numMonths == \'number\' ? [1, numMonths] : numMonths));
	},

	/* Determine the current maximum date - ensure no time components are set - may be overridden for a range. */
	_getMinMaxDate: function(inst, minMax, checkRange) {
		var date = this._determineDate(this._get(inst, minMax + \'Date\'), null);
		return (!checkRange || !inst.rangeStart ? date :
			(!date || inst.rangeStart > date ? inst.rangeStart : date));
	},

	/* Find the number of days in a given month. */
	_getDaysInMonth: function(year, month) {
		return 32 - new Date(year, month, 32).getDate();
	},

	/* Find the day of the week of the first of a month. */
	_getFirstDayOfMonth: function(year, month) {
		return new Date(year, month, 1).getDay();
	},

	/* Determines if we should allow a "next/prev" month display change. */
	_canAdjustMonth: function(inst, offset, curYear, curMonth) {
		var numMonths = this._getNumberOfMonths(inst);
		var date = this._daylightSavingAdjust(new Date(
			curYear, curMonth + (offset < 0 ? offset : numMonths[1]), 1));
		if (offset < 0)
			date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
		return this._isInRange(inst, date);
	},

	/* Is the given date in the accepted range? */
	_isInRange: function(inst, date) {
		// during range selection, use minimum of selected date and range start
		var newMinDate = (!inst.rangeStart ? null : this._daylightSavingAdjust(
			new Date(inst.selectedYear, inst.selectedMonth, inst.selectedDay)));
		newMinDate = (newMinDate && inst.rangeStart < newMinDate ? inst.rangeStart : newMinDate);
		var minDate = newMinDate || this._getMinMaxDate(inst, \'min\');
		var maxDate = this._getMinMaxDate(inst, \'max\');
		return ((!minDate || date >= minDate) && (!maxDate || date <= maxDate));
	},

	/* Provide the configuration settings for formatting/parsing. */
	_getFormatConfig: function(inst) {
		var shortYearCutoff = this._get(inst, \'shortYearCutoff\');
		shortYearCutoff = (typeof shortYearCutoff != \'string\' ? shortYearCutoff :
			new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
		return {shortYearCutoff: shortYearCutoff,
			dayNamesShort: this._get(inst, \'dayNamesShort\'), dayNames: this._get(inst, \'dayNames\'),
			monthNamesShort: this._get(inst, \'monthNamesShort\'), monthNames: this._get(inst, \'monthNames\')};
	},

	/* Format the given date for display. */
	_formatDate: function(inst, day, month, year) {
		if (!day) {
			inst.currentDay = inst.selectedDay;
			inst.currentMonth = inst.selectedMonth;
			inst.currentYear = inst.selectedYear;
		}
		var date = (day ? (typeof day == \'object\' ? day :
			this._daylightSavingAdjust(new Date(year, month, day))) :
			this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
		return this.formatDate(this._get(inst, \'dateFormat\'), date, this._getFormatConfig(inst));
	}
});

/* jQuery extend now ignores nulls! */
function extendRemove(target, props) {
	$.extend(target, props);
	for (var name in props)
		if (props[name] == null || props[name] == undefined)
			target[name] = props[name];
	return target;
};

/* Determine whether an object is an array. */
function isArray(a) {
	return (a && (($.browser.safari && typeof a == \'object\' && a.length) ||
		(a.constructor && a.constructor.toString().match(/\Array\(\)/))));
};

/* Invoke the datepicker functionality.
   @param  options  string - a command, optionally followed by additional parameters or
                    Object - settings for attaching new datepicker functionality
   @return  jQuery object */
$.fn.datepicker = function(options){

	/* Initialise the date picker. */
	if (!$.datepicker.initialized) {
		$(document).mousedown($.datepicker._checkExternalClick).
			find(\'body\').append($.datepicker.dpDiv);
		$.datepicker.initialized = true;
	}

	var otherArgs = Array.prototype.slice.call(arguments, 1);
	if (typeof options == \'string\' && (options == \'isDisabled\' || options == \'getDate\'))
		return $.datepicker[\'_\' + options + \'Datepicker\'].
			apply($.datepicker, [this[0]].concat(otherArgs));
	return this.each(function() {
		typeof options == \'string\' ?
			$.datepicker[\'_\' + options + \'Datepicker\'].
				apply($.datepicker, [this].concat(otherArgs)) :
			$.datepicker._attachDatepicker(this, options);
	});
};

$.datepicker = new Datepicker(); // singleton instance
$.datepicker.initialized = false;
$.datepicker.uuid = new Date().getTime();
$.datepicker.version = "1.7.1";

// Workaround for #4055
// Add another global to avoid noConflict issues with inline event handlers
window.DP_jQuery = $;

})(jQuery);

 

 

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本文链接:https://www.cnblogs.com/wucg/archive/2011/01/13/1934286.html