# HG changeset patch
# User Pawel Solyga <Pawel.Solyga@gmail.com>
# Date 1232469113 0
# Node ID 3e50c012a4a87842abeef620eadd34a76450bb2c
# Parent  58da949dd64c419bd3f4e03f15f35b666392654b
Add datetimepicker javascript widget files and css file.

Patch by: Pawel Solyga
Review by: to-be-reviewed

diff -r 58da949dd64c -r 3e50c012a4a8 app/jquery/jquery-ui.core.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/jquery/jquery-ui.core.js	Tue Jan 20 16:31:53 2009 +0000
@@ -0,0 +1,530 @@
+/*
+ * jQuery UI @VERSION
+ *
+ * Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
+ * Dual licensed under the MIT (MIT-LICENSE.txt)
+ * and GPL (GPL-LICENSE.txt) licenses.
+ *
+ * http://docs.jquery.com/UI
+ */
+;(function($) {
+
+var _remove = $.fn.remove,
+	isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9);
+
+//Helper functions and ui object
+$.ui = {
+	version: "@VERSION",
+
+	// $.ui.plugin is deprecated.  Use the proxy pattern instead.
+	plugin: {
+		add: function(module, option, set) {
+			var proto = $.ui[module].prototype;
+			for(var i in set) {
+				proto.plugins[i] = proto.plugins[i] || [];
+				proto.plugins[i].push([option, set[i]]);
+			}
+		},
+		call: function(instance, name, args) {
+			var set = instance.plugins[name];
+			if(!set) { return; }
+
+			for (var i = 0; i < set.length; i++) {
+				if (instance.options[set[i][0]]) {
+					set[i][1].apply(instance.element, args);
+				}
+			}
+		}
+	},
+
+	contains: function(a, b) {
+		return document.compareDocumentPosition
+			? a.compareDocumentPosition(b) & 16
+			: a !== b && a.contains(b);
+	},
+
+	cssCache: {},
+	css: function(name) {
+		if ($.ui.cssCache[name]) { return $.ui.cssCache[name]; }
+		var tmp = $('<div class="ui-gen"></div>').addClass(name).css({position:'absolute', top:'-5000px', left:'-5000px', display:'block'}).appendTo('body');
+
+		//if (!$.browser.safari)
+			//tmp.appendTo('body');
+
+		//Opera and Safari set width and height to 0px instead of auto
+		//Safari returns rgba(0,0,0,0) when bgcolor is not set
+		$.ui.cssCache[name] = !!(
+			(!(/auto|default/).test(tmp.css('cursor')) || (/^[1-9]/).test(tmp.css('height')) || (/^[1-9]/).test(tmp.css('width')) ||
+			!(/none/).test(tmp.css('backgroundImage')) || !(/transparent|rgba\(0, 0, 0, 0\)/).test(tmp.css('backgroundColor')))
+		);
+		try { $('body').get(0).removeChild(tmp.get(0));	} catch(e){}
+		return $.ui.cssCache[name];
+	},
+
+	hasScroll: function(el, a) {
+
+		//If overflow is hidden, the element might have extra content, but the user wants to hide it
+		if ($(el).css('overflow') == 'hidden') { return false; }
+
+		var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop',
+			has = false;
+
+		if (el[scroll] > 0) { return true; }
+
+		// TODO: determine which cases actually cause this to happen
+		// if the element doesn't have the scroll set, see if it's possible to
+		// set the scroll
+		el[scroll] = 1;
+		has = (el[scroll] > 0);
+		el[scroll] = 0;
+		return has;
+	},
+
+	isOverAxis: function(x, reference, size) {
+		//Determines when x coordinate is over "b" element axis
+		return (x > reference) && (x < (reference + size));
+	},
+
+	isOver: function(y, x, top, left, height, width) {
+		//Determines when x, y coordinates is over "b" element
+		return $.ui.isOverAxis(y, top, height) && $.ui.isOverAxis(x, left, width);
+	},
+
+	keyCode: {
+		BACKSPACE: 8,
+		CAPS_LOCK: 20,
+		COMMA: 188,
+		CONTROL: 17,
+		DELETE: 46,
+		DOWN: 40,
+		END: 35,
+		ENTER: 13,
+		ESCAPE: 27,
+		HOME: 36,
+		INSERT: 45,
+		LEFT: 37,
+		NUMPAD_ADD: 107,
+		NUMPAD_DECIMAL: 110,
+		NUMPAD_DIVIDE: 111,
+		NUMPAD_ENTER: 108,
+		NUMPAD_MULTIPLY: 106,
+		NUMPAD_SUBTRACT: 109,
+		PAGE_DOWN: 34,
+		PAGE_UP: 33,
+		PERIOD: 190,
+		RIGHT: 39,
+		SHIFT: 16,
+		SPACE: 32,
+		TAB: 9,
+		UP: 38
+	}
+};
+
+// WAI-ARIA normalization
+if (isFF2) {
+	var attr = $.attr,
+		removeAttr = $.fn.removeAttr,
+		ariaNS = "http://www.w3.org/2005/07/aaa",
+		ariaState = /^aria-/,
+		ariaRole = /^wairole:/;
+
+	$.attr = function(elem, name, value) {
+		var set = value !== undefined;
+
+		return (name == 'role'
+			? (set
+				? attr.call(this, elem, name, "wairole:" + value)
+				: (attr.apply(this, arguments) || "").replace(ariaRole, ""))
+			: (ariaState.test(name)
+				? (set
+					? elem.setAttributeNS(ariaNS,
+						name.replace(ariaState, "aaa:"), value)
+					: attr.call(this, elem, name.replace(ariaState, "aaa:")))
+				: attr.apply(this, arguments)));
+	};
+
+	$.fn.removeAttr = function(name) {
+		return (ariaState.test(name)
+			? this.each(function() {
+				this.removeAttributeNS(ariaNS, name.replace(ariaState, ""));
+			}) : removeAttr.call(this, name));
+	};
+}
+
+//jQuery plugins
+$.fn.extend({
+	remove: function() {
+		// Safari has a native remove event which actually removes DOM elements,
+		// so we have to use triggerHandler instead of trigger (#3037).
+		$("*", this).add(this).each(function() {
+			$(this).triggerHandler("remove");
+		});
+		return _remove.apply(this, arguments );
+	},
+
+	enableSelection: function() {
+		return this
+			.attr('unselectable', 'off')
+			.css('MozUserSelect', '')
+			.unbind('selectstart.ui');
+	},
+
+	disableSelection: function() {
+		return this
+			.attr('unselectable', 'on')
+			.css('MozUserSelect', 'none')
+			.bind('selectstart.ui', function() { return false; });
+	},
+
+	scrollParent: function() {
+		var scrollParent;
+		if(($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
+			scrollParent = this.parents().filter(function() {
+				return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
+			}).eq(0);
+		} else {
+			scrollParent = this.parents().filter(function() {
+				return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
+			}).eq(0);
+		}
+
+		return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;
+	}
+});
+
+
+//Additional selectors
+$.extend($.expr[':'], {
+	data: function(elem, i, match) {
+		return !!$.data(elem, match[3]);
+	},
+
+	// TODO: add support for object, area
+	tabbable: function(elem) {
+		var nodeName = elem.nodeName.toLowerCase();
+		function isVisible(element) {
+			return !($(element).is(':hidden') || $(element).parents(':hidden').length);
+		}
+
+		return (
+			// in tab order
+			elem.tabIndex >= 0 &&
+
+			( // filter node types that participate in the tab order
+
+				// anchor tag
+				('a' == nodeName && elem.href) ||
+
+				// enabled form element
+				(/input|select|textarea|button/.test(nodeName) &&
+					'hidden' != elem.type && !elem.disabled)
+			) &&
+
+			// visible on page
+			isVisible(elem)
+		);
+	}
+});
+
+
+// $.widget is a factory to create jQuery plugins
+// taking some boilerplate code out of the plugin code
+function getter(namespace, plugin, method, args) {
+	function getMethods(type) {
+		var methods = $[namespace][plugin][type] || [];
+		return (typeof methods == 'string' ? methods.split(/,?\s+/) : methods);
+	}
+
+	var methods = getMethods('getter');
+	if (args.length == 1 && typeof args[0] == 'string') {
+		methods = methods.concat(getMethods('getterSetter'));
+	}
+	return ($.inArray(method, methods) != -1);
+}
+
+$.widget = function(name, prototype) {
+	var namespace = name.split(".")[0];
+	name = name.split(".")[1];
+
+	// create plugin method
+	$.fn[name] = function(options) {
+		var isMethodCall = (typeof options == 'string'),
+			args = Array.prototype.slice.call(arguments, 1);
+
+		// prevent calls to internal methods
+		if (isMethodCall && options.substring(0, 1) == '_') {
+			return this;
+		}
+
+		// handle getter methods
+		if (isMethodCall && getter(namespace, name, options, args)) {
+			var instance = $.data(this[0], name);
+			return (instance ? instance[options].apply(instance, args)
+				: undefined);
+		}
+
+		// handle initialization and non-getter methods
+		return this.each(function() {
+			var instance = $.data(this, name);
+
+			// constructor
+			(!instance && !isMethodCall &&
+				$.data(this, name, new $[namespace][name](this, options)));
+
+			// method call
+			(instance && isMethodCall && $.isFunction(instance[options]) &&
+				instance[options].apply(instance, args));
+		});
+	};
+
+	// create widget constructor
+	$[namespace] = $[namespace] || {};
+	$[namespace][name] = function(element, options) {
+		var self = this;
+
+		this.namespace = namespace;
+		this.widgetName = name;
+		this.widgetEventPrefix = $[namespace][name].eventPrefix || name;
+		this.widgetBaseClass = namespace + '-' + name;
+
+		this.options = $.extend({},
+			$.widget.defaults,
+			$[namespace][name].defaults,
+			$.metadata && $.metadata.get(element)[name],
+			options);
+
+		this.element = $(element)
+			.bind('setData.' + name, function(event, key, value) {
+				if (event.target == element) {
+					return self._setData(key, value);
+				}
+			})
+			.bind('getData.' + name, function(event, key) {
+				if (event.target == element) {
+					return self._getData(key);
+				}
+			})
+			.bind('remove', function() {
+				return self.destroy();
+			});
+
+		this._init();
+	};
+
+	// add widget prototype
+	$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);
+
+	// TODO: merge getter and getterSetter properties from widget prototype
+	// and plugin prototype
+	$[namespace][name].getterSetter = 'option';
+};
+
+$.widget.prototype = {
+	_init: function() {},
+	destroy: function() {
+		this.element.removeData(this.widgetName)
+			.removeClass(this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled')
+			.removeAttr('aria-disabled');
+	},
+
+	option: function(key, value) {
+		var options = key,
+			self = this;
+
+		if (typeof key == "string") {
+			if (value === undefined) {
+				return this._getData(key);
+			}
+			options = {};
+			options[key] = value;
+		}
+
+		$.each(options, function(key, value) {
+			self._setData(key, value);
+		});
+	},
+	_getData: function(key) {
+		return this.options[key];
+	},
+	_setData: function(key, value) {
+		this.options[key] = value;
+
+		if (key == 'disabled') {
+			this.element
+				[value ? 'addClass' : 'removeClass'](
+					this.widgetBaseClass + '-disabled' + ' ' +
+					this.namespace + '-state-disabled')
+				.attr("aria-disabled", value);
+		}
+	},
+
+	enable: function() {
+		this._setData('disabled', false);
+	},
+	disable: function() {
+		this._setData('disabled', true);
+	},
+
+	_trigger: function(type, event, data) {
+		var callback = this.options[type],
+			eventName = (type == this.widgetEventPrefix
+				? type : this.widgetEventPrefix + type);
+
+		event = event ? $.event.fix(event) : $.Event();
+		event.type = eventName;
+
+		this.element.trigger(event, data);
+
+		return !(callback && callback.call(this.element[0], event, data) === false
+			|| event.isDefaultPrevented());
+	}
+};
+
+$.widget.defaults = {
+	disabled: false
+};
+
+
+/** Mouse Interaction Plugin **/
+
+$.ui.mouse = {
+	_mouseInit: function() {
+		var self = this;
+
+		this.element
+			.bind('mousedown.'+this.widgetName, function(event) {
+				return self._mouseDown(event);
+			})
+			.bind('click.'+this.widgetName, function(event) {
+				if(self._preventClickEvent) {
+					self._preventClickEvent = false;
+					return false;
+				}
+			});
+
+		// Prevent text selection in IE
+		if ($.browser.msie) {
+			this._mouseUnselectable = this.element.attr('unselectable');
+			this.element.attr('unselectable', 'on');
+		}
+
+		this.started = false;
+	},
+
+	// TODO: make sure destroying one instance of mouse doesn't mess with
+	// other instances of mouse
+	_mouseDestroy: function() {
+		this.element.unbind('.'+this.widgetName);
+
+		// Restore text selection in IE
+		($.browser.msie
+			&& this.element.attr('unselectable', this._mouseUnselectable));
+	},
+
+	_mouseDown: function(event) {
+		// we may have missed mouseup (out of window)
+		(this._mouseStarted && this._mouseUp(event));
+
+		this._mouseDownEvent = event;
+
+		var self = this,
+			btnIsLeft = (event.which == 1),
+			elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false);
+		if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
+			return true;
+		}
+
+		this.mouseDelayMet = !this.options.delay;
+		if (!this.mouseDelayMet) {
+			this._mouseDelayTimer = setTimeout(function() {
+				self.mouseDelayMet = true;
+			}, this.options.delay);
+		}
+
+		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
+			this._mouseStarted = (this._mouseStart(event) !== false);
+			if (!this._mouseStarted) {
+				event.preventDefault();
+				return true;
+			}
+		}
+
+		// these delegates are required to keep context
+		this._mouseMoveDelegate = function(event) {
+			return self._mouseMove(event);
+		};
+		this._mouseUpDelegate = function(event) {
+			return self._mouseUp(event);
+		};
+		$(document)
+			.bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
+			.bind('mouseup.'+this.widgetName, this._mouseUpDelegate);
+
+		// preventDefault() is used to prevent the selection of text here -
+		// however, in Safari, this causes select boxes not to be selectable
+		// anymore, so this fix is needed
+		($.browser.safari || event.preventDefault());
+		
+		return true;
+	},
+
+	_mouseMove: function(event) {
+		// IE mouseup check - mouseup happened when mouse was out of window
+		if ($.browser.msie && !event.button) {
+			return this._mouseUp(event);
+		}
+
+		if (this._mouseStarted) {
+			this._mouseDrag(event);
+			return event.preventDefault();
+		}
+
+		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
+			this._mouseStarted =
+				(this._mouseStart(this._mouseDownEvent, event) !== false);
+			(this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
+		}
+
+		return !this._mouseStarted;
+	},
+
+	_mouseUp: function(event) {
+		$(document)
+			.unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
+			.unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);
+
+		if (this._mouseStarted) {
+			this._mouseStarted = false;
+			this._preventClickEvent = true;
+			this._mouseStop(event);
+		}
+
+		return false;
+	},
+
+	_mouseDistanceMet: function(event) {
+		return (Math.max(
+				Math.abs(this._mouseDownEvent.pageX - event.pageX),
+				Math.abs(this._mouseDownEvent.pageY - event.pageY)
+			) >= this.options.distance
+		);
+	},
+
+	_mouseDelayMet: function(event) {
+		return this.mouseDelayMet;
+	},
+
+	// These are placeholder methods, to be overriden by extending plugin
+	_mouseStart: function(event) {},
+	_mouseDrag: function(event) {},
+	_mouseStop: function(event) {},
+	_mouseCapture: function(event) { return true; }
+};
+
+$.ui.mouse.defaults = {
+	cancel: null,
+	distance: 1,
+	delay: 0
+};
+
+})(jQuery);
diff -r 58da949dd64c -r 3e50c012a4a8 app/jquery/jquery-ui.datetimepicker.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/jquery/jquery-ui.datetimepicker.js	Tue Jan 20 16:31:53 2009 +0000
@@ -0,0 +1,1523 @@
+/* jQuery UI Date Picker v3.4.3 (previously jQuery Calendar)
+   Written by Marc Grabanski (m@marcgrabanski.com) and Keith Wood (kbwood@virginbroadband.com.au).
+
+   Copyright (c) 2007 Marc Grabanski (http://marcgrabanski.com/code/ui-datetimepicker)
+   Dual licensed under the MIT (MIT-LICENSE.txt)
+   and GPL (GPL-LICENSE.txt) licenses.
+   Date: 09-03-2007  */
+/* 
+ * Time functionality added by Stanislav Dobry (stanislav.dobry@datesoft.cz)
+ * Date: 2008-06-04
+ */
+   
+;(function($) { // hide the namespace
+
+/* Date picker manager.
+   Use the singleton instance of this class, $.datetimepicker, to interact with the date picker.
+   Settings for (groups of) date pickers are maintained in an instance object
+   (DatepickerInstance), allowing multiple different settings on the same page. */
+
+function DateTimepicker() {
+	this.debug = false; // Change this to true to start debugging
+	this._nextId = 0; // Next ID for a date picker instance
+	this._inst = []; // List of instances indexed by ID
+	this._curInst = null; // The current instance in use
+	this._disabledInputs = []; // List of date picker inputs that have been disabled
+	this._datetimepickerShowing = false; // True if the popup picker is showing , false if not
+	this._inDialog = false; // True if showing within a "dialog", false if not
+	this.regional = []; // Available regional settings, indexed by language code
+	this.regional[''] = { // Default regional settings
+		clearText: 'Clear', // Display text for clear link
+		clearStatus: 'Erase the current date', // Status text for clear link
+		closeText: 'Close', // Display text for close link
+		closeStatus: 'Close without change', // Status text for close link
+		prevText: '&#x3c;Prev', // Display text for previous month link
+		prevStatus: 'Show the previous month', // Status text for previous month link
+		nextText: 'Next&#x3e;', // Display text for next month link
+		nextStatus: 'Show the next month', // Status text for next month link
+		currentText: 'Today', // Display text for current month link
+		currentStatus: 'Show the current month', // Status 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
+		monthStatus: 'Show a different month', // Status text for selecting a month
+		yearStatus: 'Show a different year', // Status text for selecting a year
+		weekHeader: 'Wk', // Header for the week of the year column
+		weekStatus: 'Week of the year', // Status text for the week of the year column
+		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
+		dayStatus: 'Set DD as first week day', // Status text for the day of the week selection
+		dateStatus: 'Select DD, M d', // Status text for the date selection
+		dateFormat: 'mm/dd/yy', // See format options on parseDate
+		timeFormat: 'hh:ii',
+		firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
+		initStatus: 'Select a date', // Initial Status text on opening
+		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
+		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
+		closeAtTop: true, // True to have the clear/close at the top,
+			// false to have them at the bottom
+		mandatory: false, // True to hide the Clear link, false to include it
+		hideIfNoPrevNext: false, // True to hide next/previous month links
+			// if not applicable, false to just disable them
+		changeMonth: true, // True if month can be selected directly, false if only prev/next
+		changeYear: true, // True if year can be selected directly, false if only prev/next
+		yearRange: '-10:+10', // Range of years to display in drop-down,
+			// either relative to current year (-nn:+nn) or absolute (nnnn:nnnn)
+		changeFirstDay: true, // True to click on day name to change, false to remain as set
+		showOtherMonths: false, // True to show dates in other months, false to leave blank
+		showWeeks: false, // True to show week of the year, false to omit
+		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
+		showStatus: false, // True to show status bar at bottom, false to not show it
+		statusForDate: this.dateStatus, // Function to provide status text for a date -
+			// takes date and instance as parameters, returns display text
+		minDate: null, // The earliest selectable date, or null for no limit
+		maxDate: null, // The latest selectable date, or null for no limit
+		speed: 'normal', // Speed 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 '', e.g. $.datetimepicker.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
+		onClose: null, // Define a callback function when the datetimepicker is closed
+		numberOfMonths: 1, // Number of months to show at a time
+		stepMonths: 1, // Number of months to step back/forward
+		rangeSelect: false, // Allows for selecting a date range on one date picker
+		rangeSeparator: ' - ' // Text between two dates in a range
+	};
+	$.extend(this._defaults, this.regional['']);
+	this._datetimepickerDiv = $('<div id="datetimepicker_div"></div>');
+}
+
+$.extend(DateTimepicker.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);
+	},
+	
+	/* Register a new date picker instance - with custom settings. */
+	_register: function(inst) {
+		var id = this._nextId++;
+		this._inst[id] = inst;
+		return id;
+	},
+
+	/* Retrieve a particular date picker instance based on its ID. */
+	_getInst: function(id) {
+		return this._inst[id] || id;
+	},
+
+	/* 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 (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 instSettings = (inlineSettings ? 
+			$.extend(settings || {}, inlineSettings || {}) : settings);
+		if (nodeName == 'input') {
+			var inst = (inst && !inlineSettings ? inst :
+				new DateTimepickerInstance(instSettings, false));
+			this._connectDatepicker(target, inst);
+		} else if (nodeName == 'div' || nodeName == 'span') {
+			var inst = new DateTimepickerInstance(instSettings, true);
+			this._inlineDatepicker(target, inst);
+		}
+	},
+
+	/* Detach a datetimepicker from its control.
+	   @param  target    element - the target input field or division or span */
+	_destroyDatepicker: function(target) {
+		var nodeName = target.nodeName.toLowerCase();
+		var calId = target._calId;
+		target._calId = null;
+		var $target = $(target);
+		if (nodeName == 'input') {
+			$target.siblings('.datetimepicker_append').replaceWith('').end()
+				.siblings('.datetimepicker_trigger').replaceWith('').end()
+				.removeClass(this.markerClassName)
+				.unbind('focus', this._showDatepicker)
+				.unbind('keydown', this._doKeyDown)
+				.unbind('keypress', this._doKeyPress);
+			var wrapper = $target.parents('.datetimepicker_wrap');
+			if (wrapper)
+				wrapper.replaceWith(wrapper.html());
+		} else if (nodeName == 'div' || nodeName == 'span')
+			$target.removeClass(this.markerClassName).empty();
+		if ($('input[_calId=' + calId + ']').length == 0)
+			// clean up if last for this ID
+			this._inst[calId] = null;
+	},
+
+	/* Enable the date picker to a jQuery selection.
+	   @param  target    element - the target input field or division or span */
+	_enableDatepicker: function(target) {
+		target.disabled = false;
+		$(target).siblings('button.datetimepicker_trigger').each(function() { this.disabled = false; }).end()
+			.siblings('img.datetimepicker_trigger').css({opacity: '1.0', cursor: ''});
+		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) {
+		target.disabled = true;
+		$(target).siblings('button.datetimepicker_trigger').each(function() { this.disabled = true; }).end()
+			.siblings('img.datetimepicker_trigger').css({opacity: '0.5', cursor: 'default'});
+		this._disabledInputs = $.map($.datetimepicker._disabledInputs,
+			function(value) { return (value == target ? null : value); }); // delete entry
+		this._disabledInputs[$.datetimepicker._disabledInputs.length] = target;
+	},
+
+	/* Is the first field in a jQuery collection disabled as a datetimepicker?
+	   @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;
+	},
+
+	/* 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    string - the name of the setting to change or
+	                   object - the new settings to update
+	   @param  value   any - the new value for the setting (omit if above is an object) */
+	_changeDatepicker: function(target, name, value) {
+		var settings = name || {};
+		if (typeof name == 'string') {
+			settings = {};
+			settings[name] = value;
+		}
+		if (inst = this._getInst(target._calId)) {
+			extendRemove(inst._settings, settings);
+			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) {
+		if (inst = this._getInst(target._calId)) {
+			inst._setDate(date, endDate);
+			this._updateDatepicker(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._calId);
+		return (inst ? inst._getDate() : null);
+	},
+
+	/* Handle keystrokes. */
+	_doKeyDown: function(e) {
+		var inst = $.datetimepicker._getInst(this._calId);
+		if ($.datetimepicker._datetimepickerShowing)
+			switch (e.keyCode) {
+				case 9:  $.datetimepicker._hideDatepicker(null, '');
+						break; // hide on tab out
+				case 13: $.datetimepicker._selectDay(inst, inst._selectedMonth, inst._selectedYear,
+							$('td.datetimepicker_daysCellOver', inst._datetimepickerDiv)[0]);
+						return false; // don't submit the form
+						break; // select the value on enter
+				case 27: $.datetimepicker._hideDatepicker(null, inst._get('speed'));
+						break; // hide on escape
+				case 33: $.datetimepicker._adjustDate(inst,
+							(e.ctrlKey ? -1 : -inst._get('stepMonths')), (e.ctrlKey ? 'Y' : 'M'));
+						break; // previous month/year on page up/+ ctrl
+				case 34: $.datetimepicker._adjustDate(inst,
+							(e.ctrlKey ? +1 : +inst._get('stepMonths')), (e.ctrlKey ? 'Y' : 'M'));
+						break; // next month/year on page down/+ ctrl
+				case 35: if (e.ctrlKey) $.datetimepicker._clearDate(inst);
+						break; // clear on ctrl+end
+				case 36: if (e.ctrlKey) $.datetimepicker._gotoToday(inst);
+						break; // current on ctrl+home
+				case 37: if (e.ctrlKey) $.datetimepicker._adjustDate(inst, -1, 'D');
+						break; // -1 day on ctrl+left
+				case 38: if (e.ctrlKey) $.datetimepicker._adjustDate(inst, -7, 'D');
+						break; // -1 week on ctrl+up
+				case 39: if (e.ctrlKey) $.datetimepicker._adjustDate(inst, +1, 'D');
+						break; // +1 day on ctrl+right
+				case 40: if (e.ctrlKey) $.datetimepicker._adjustDate(inst, +7, 'D');
+						break; // +1 week on ctrl+down
+			}
+		else if (e.keyCode == 36 && e.ctrlKey) // display the date picker on ctrl+home
+			$.datetimepicker._showDatepicker(this);
+	},
+
+	/* Filter entered characters - based on date format. */
+	_doKeyPress: function(e) {
+		var inst = $.datetimepicker._getInst(this._calId);
+		var chars = $.datetimepicker._possibleChars(inst._get('dateFormat')+' '+inst._get('timeFormat'));
+		var chr = String.fromCharCode(e.charCode == undefined ? e.keyCode : e.charCode);
+		return e.ctrlKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
+	},
+
+	/* Attach the date picker to an input field. */
+	_connectDatepicker: function(target, inst) {
+		var input = $(target);
+		if (input.is('.' + this.markerClassName))
+			return;
+		var appendText = inst._get('appendText');
+		var isRTL = inst._get('isRTL');
+		if (appendText) {
+			if (isRTL)
+				input.before('<span class="datetimepicker_append">' + appendText);
+			else
+				input.after('<span class="datetimepicker_append">' + appendText);
+		}
+		var showOn = inst._get('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
+			input.wrap('<span class="datetimepicker_wrap">');
+			var buttonText = inst._get('buttonText');
+			var buttonImage = inst._get('buttonImage');
+			var trigger = $(inst._get('buttonImageOnly') ? 
+				$('<img>').addClass('datetimepicker_trigger').attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
+				$('<button>').addClass('datetimepicker_trigger').attr({ type: 'button' }).html(buttonImage != '' ? 
+						$('<img>').attr({ src:buttonImage, alt:buttonText, title:buttonText }) : buttonText));
+			if (isRTL)
+				input.before(trigger);
+			else
+				input.after(trigger);
+			trigger.click(function() {
+				if ($.datetimepicker._datetimepickerShowing && $.datetimepicker._lastInput == target)
+					$.datetimepicker._hideDatepicker();
+				else
+					$.datetimepicker._showDatepicker(target);
+			});
+        }
+		input.addClass(this.markerClassName).keydown(this._doKeyDown).keypress(this._doKeyPress)
+			.bind("setData.datetimepicker", function(event, key, value) {
+				inst._settings[key] = value;
+			}).bind("getData.datetimepicker", function(event, key) {
+				return inst._get(key);
+			});
+		input[0]._calId = inst._id;
+	},
+
+	/* Attach an inline date picker to a div. */
+	_inlineDatepicker: function(target, inst) {
+		var input = $(target);
+		if (input.is('.' + this.markerClassName))
+			return;
+		input.addClass(this.markerClassName).append(inst._datetimepickerDiv)
+			.bind("setData.datetimepicker", function(event, key, value){
+				inst._settings[key] = value;
+			}).bind("getData.datetimepicker", function(event, key){
+				return inst._get(key);
+			});
+		input[0]._calId = inst._id;
+		this._updateDatepicker(inst);
+	},
+
+	/* Tidy up after displaying the date picker. */
+	_inlineShow: function(inst) {
+		var numMonths = inst._getNumberOfMonths(); // fix width for dynamic number of date pickers
+		inst._datetimepickerDiv.width(numMonths[1] * $('.datetimepicker', inst._datetimepickerDiv[0]).width());
+	}, 
+
+	/* 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) {
+			inst = this._dialogInst = new DateTimepickerInstance({}, false);
+			this._dialogInput = $('<input type="text" size="1" style="position: absolute; top: -100px;"/>');
+			this._dialogInput.keydown(this._doKeyDown);
+			$('body').append(this._dialogInput);
+			this._dialogInput[0]._calId = inst._id;
+		}
+		extendRemove(inst._settings, settings || {});
+		this._dialogInput.val(dateText);
+
+		this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
+		if (!this._pos) {
+			var browserWidth = window.innerWidth || document.documentElement.clientWidth ||	document.body.clientWidth;
+			var browserHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
+			var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
+			var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
+			this._pos = // should use actual width/height below
+				[(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
+		}
+
+		// move input on screen for focus, but hidden behind dialog
+		this._dialogInput.css('left', this._pos[0] + 'px').css('top', this._pos[1] + 'px');
+		inst._settings.onSelect = onSelect;
+		this._inDialog = true;
+		this._datetimepickerDiv.addClass('datetimepicker_dialog');
+		this._showDatepicker(this._dialogInput[0]);
+		if ($.blockUI)
+			$.blockUI(this._datetimepickerDiv);
+		return this;
+	},
+
+	/* 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 = $('input', input.parentNode)[0];
+		if ($.datetimepicker._isDisabledDatepicker(input) || $.datetimepicker._lastInput == input) // already here
+			return;
+		var inst = $.datetimepicker._getInst(input._calId);
+		var beforeShow = inst._get('beforeShow');
+		extendRemove(inst._settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {}));
+		$.datetimepicker._hideDatepicker(null, '');
+		$.datetimepicker._lastInput = input;
+		inst._setDateFromField(input);
+		if ($.datetimepicker._inDialog) // hide cursor
+			input.value = '';
+		if (!$.datetimepicker._pos) { // position below input
+			$.datetimepicker._pos = $.datetimepicker._findPos(input);
+			$.datetimepicker._pos[1] += input.offsetHeight; // add the height
+		}
+		var isFixed = false;
+		$(input).parents().each(function() {
+			isFixed |= $(this).css('position') == 'fixed';
+		});
+		if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
+			$.datetimepicker._pos[0] -= document.documentElement.scrollLeft;
+			$.datetimepicker._pos[1] -= document.documentElement.scrollTop;
+		}
+		inst._datetimepickerDiv.css('position', ($.datetimepicker._inDialog && $.blockUI ?
+			'static' : (isFixed ? 'fixed' : 'absolute')))
+			.css({ left: $.datetimepicker._pos[0] + 'px', top: $.datetimepicker._pos[1] + 'px' });
+		$.datetimepicker._pos = null;
+		inst._rangeStart = null;
+		$.datetimepicker._updateDatepicker(inst);
+		if (!inst._inline) {
+			var speed = inst._get('speed');
+			var postProcess = function() {
+				$.datetimepicker._datetimepickerShowing = true;
+				$.datetimepicker._afterShow(inst);
+			};
+			var showAnim = inst._get('showAnim') || 'show';
+			inst._datetimepickerDiv[showAnim](speed, postProcess);
+			if (speed == '')
+				postProcess();
+			if (inst._input[0].type != 'hidden')
+				inst._input[0].focus();
+			$.datetimepicker._curInst = inst;
+		}
+	},
+
+	/* Generate the date picker content. */
+	_updateDatepicker: function(inst) {
+		inst._datetimepickerDiv.empty().append(inst._generateDatepicker());
+		var numMonths = inst._getNumberOfMonths();
+		if (numMonths[0] != 1 || numMonths[1] != 1)
+			inst._datetimepickerDiv.addClass('datetimepicker_multi');
+		else
+			inst._datetimepickerDiv.removeClass('datetimepicker_multi');
+
+		if (inst._get('isRTL'))
+			inst._datetimepickerDiv.addClass('datetimepicker_rtl');
+		else
+			inst._datetimepickerDiv.removeClass('datetimepicker_rtl');
+
+		if (inst._input && inst._input[0].type != 'hidden')
+			$(inst._input[0]).focus();
+	},
+
+	/* Tidy up after displaying the date picker. */
+	_afterShow: function(inst) {
+		var numMonths = inst._getNumberOfMonths(); // fix width for dynamic number of date pickers
+		inst._datetimepickerDiv.width(numMonths[1] * $('.datetimepicker', inst._datetimepickerDiv[0])[0].offsetWidth);
+		if ($.browser.msie && parseInt($.browser.version) < 7) { // fix IE < 7 select problems
+			$('iframe.datetimepicker_cover').css({width: inst._datetimepickerDiv.width() + 4,
+				height: inst._datetimepickerDiv.height() + 4});
+		}
+		// re-position on screen if necessary
+		var isFixed = inst._datetimepickerDiv.css('position') == 'fixed';
+		var pos = inst._input ? $.datetimepicker._findPos(inst._input[0]) : null;
+		var browserWidth = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth;
+		var browserHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight;
+		var scrollX = (isFixed ? 0 : document.documentElement.scrollLeft || document.body.scrollLeft);
+		var scrollY = (isFixed ? 0 : document.documentElement.scrollTop || document.body.scrollTop);
+		// reposition date picker horizontally if outside the browser window
+		if ((inst._datetimepickerDiv.offset().left + inst._datetimepickerDiv.width() -
+				(isFixed && $.browser.msie ? document.documentElement.scrollLeft : 0)) >
+				(browserWidth + scrollX)) {
+			inst._datetimepickerDiv.css('left', Math.max(scrollX,
+				pos[0] + (inst._input ? $(inst._input[0]).width() : null) - inst._datetimepickerDiv.width() -
+				(isFixed && $.browser.opera ? document.documentElement.scrollLeft : 0)) + 'px');
+		}
+		// reposition date picker vertically if outside the browser window
+		if ((inst._datetimepickerDiv.offset().top + inst._datetimepickerDiv.height() -
+				(isFixed && $.browser.msie ? document.documentElement.scrollTop : 0)) >
+				(browserHeight + scrollY) ) {
+			inst._datetimepickerDiv.css('top', Math.max(scrollY,
+				pos[1] - (this._inDialog ? 0 : inst._datetimepickerDiv.height()) -
+				(isFixed && $.browser.opera ? document.documentElement.scrollTop : 0)) + 'px');
+		}
+	},
+	
+	/* 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  speed  string - the speed at which to close the date picker */
+	_hideDatepicker: function(input, speed) {
+		var inst = this._curInst;
+		if (!inst)
+			return;
+		var rangeSelect = inst._get('rangeSelect');
+		if (rangeSelect && this._stayOpen) {
+			this._selectDate(inst, inst._formatDateTime(
+				inst._currentDay, inst._currentMonth, inst._currentYear, inst._currentHour, inst.currentMinute));
+		}
+		this._stayOpen = false;
+		if (this._datetimepickerShowing) {
+			speed = (speed != null ? speed : inst._get('speed'));
+			var showAnim = inst._get('showAnim');
+			inst._datetimepickerDiv[(showAnim == 'slideDown' ? 'slideUp' :
+				(showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))](speed, function() {
+				$.datetimepicker._tidyDialog(inst);
+			});
+			if (speed == '')
+				this._tidyDialog(inst);
+			var onClose = inst._get('onClose');
+			if (onClose) {
+				onClose.apply((inst._input ? inst._input[0] : null),
+					[inst._getDate(), inst]);  // trigger custom callback
+			}
+			this._datetimepickerShowing = false;
+			this._lastInput = null;
+			inst._settings.prompt = null;
+			if (this._inDialog) {
+				this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
+				if ($.blockUI) {
+					$.unblockUI();
+					$('body').append(this._datetimepickerDiv);
+				}
+			}
+			this._inDialog = false;
+		}
+		this._curInst = null;
+	},
+
+	/* Tidy up after a dialog display. */
+	_tidyDialog: function(inst) {
+		inst._datetimepickerDiv.removeClass('datetimepicker_dialog').unbind('.datetimepicker');
+		$('.datetimepicker_prompt', inst._datetimepickerDiv).remove();
+	},
+
+	/* Close date picker if clicked elsewhere. */
+	_checkExternalClick: function(event) {
+		if (!$.datetimepicker._curInst)
+			return;
+		var $target = $(event.target);
+		if (($target.parents("#datetimepicker_div").length == 0) &&
+				($target.attr('class') != 'datetimepicker_trigger') &&
+				$.datetimepicker._datetimepickerShowing && !($.datetimepicker._inDialog && $.blockUI)) {
+			$.datetimepicker._hideDatepicker(null, '');
+		}
+	},
+
+	/* Adjust one of the date sub-fields. */
+	_adjustDate: function(id, offset, period) {
+		var inst = this._getInst(id);
+		inst._adjustDate(offset, period);
+		this._updateDatepicker(inst);
+	},
+
+	/* Action for current link. */
+	_gotoToday: function(id) {
+		var date = new Date();
+		var inst = this._getInst(id);
+		inst._selectedDay = date.getDate();
+		inst._drawMonth = inst._selectedMonth = date.getMonth();
+		inst._drawYear = inst._selectedYear = date.getFullYear();
+		inst._drawHour = inst._selectedHour = date.getHours();
+		inst._drawMinute = inst._selectedMinute = date.getMinutes();
+		this._adjustDate(inst);
+	},
+
+	/* Action for selecting a new month/year. */
+	_selectMonthYear: function(id, select, period) {
+		var inst = this._getInst(id);
+		inst._selectingMonthYear = false;
+		inst[period == 'M' ? '_drawMonth' : '_drawYear'] =
+			select.options[select.selectedIndex].value - 0;
+		this._adjustDate(inst);
+	},
+	_selectTime: function(id, select, period) {
+		var inst = this._getInst(id);
+		inst._selectingMonthYear = false;
+		inst[period == 'M' ? '_drawMinute' : '_drawHour'] =
+			select.options[select.selectedIndex].value - 0;
+		this._adjustDate(inst);
+		
+		this._doNotHide = true;
+		$('td.datetimepicker_currentDay').each(function(){
+			$.datetimepicker._selectDay(inst, inst._selectedMonth, inst._selectedYear,$(this));
+		});
+		this._doNotHide = false;
+	},
+
+	/* Restore input focus after not changing month/year. */
+	_clickMonthYear: function(id) {
+		var inst = this._getInst(id);
+		if (inst._input && inst._selectingMonthYear && !$.browser.msie)
+			inst._input[0].focus();
+		inst._selectingMonthYear = !inst._selectingMonthYear;
+	},
+
+	_clickTime: function(id) {
+		var inst = this._getInst(id);
+		if (inst._input && inst._selectingTime && !$.browser.msie)
+			inst._input[0].focus();
+		inst._selectingTime = !inst._selectingTime;
+	},
+
+	/* Action for changing the first week day. */
+	_changeFirstDay: function(id, day) {
+		var inst = this._getInst(id);
+		inst._settings.firstDay = day;
+		this._updateDatepicker(inst);
+	},
+
+	/* Action for selecting a day. */
+	_selectDay: function(id, month, year, td) {
+		if ($(td).is('.datetimepicker_unselectable'))
+			return;
+		var inst = this._getInst(id);
+		var rangeSelect = inst._get('rangeSelect');
+		if (rangeSelect) {
+			if (!this._stayOpen) {
+				$('.datetimepicker td').removeClass('datetimepicker_currentDay');
+				$(td).addClass('datetimepicker_currentDay');
+			} 
+			this._stayOpen = !this._stayOpen;
+		}
+		inst._selectedDay = inst._currentDay = $('a', td).html();
+		inst._selectedMonth = inst._currentMonth = month;
+		inst._selectedYear = inst._currentYear = year;
+		inst._selectedHour = inst._currentHour = $('select.datetimepicker_newHour option:selected').val();
+		inst._selectedMinute = inst._currentMinute = $('select.datetimepicker_newMinute option:selected').val();
+		this._selectDate(id, inst._formatDateTime(
+			inst._currentDay, inst._currentMonth, inst._currentYear, inst._currentHour, inst._currentMinute));
+		if (this._stayOpen) {
+			inst._endDay = inst._endMonth = inst._endYear = null;
+			inst._rangeStart = new Date(inst._currentYear, inst._currentMonth, inst._currentDay);
+			this._updateDatepicker(inst);
+		}
+		else if (rangeSelect) {
+			inst._endDay = inst._currentDay;
+			inst._endMonth = inst._currentMonth;
+			inst._endYear = inst._currentYear;
+			inst._selectedDay = inst._currentDay = inst._rangeStart.getDate();
+			inst._selectedMonth = inst._currentMonth = inst._rangeStart.getMonth();
+			inst._selectedYear = inst._currentYear = inst._rangeStart.getFullYear();
+			inst._rangeStart = null;
+			if (inst._inline)
+				this._updateDatepicker(inst);
+		}
+	},
+
+	/* Erase the input field and hide the date picker. */
+	_clearDate: function(id) {
+		var inst = this._getInst(id);
+		if (inst._get('mandatory'))
+			return;
+		this._stayOpen = false;
+		inst._endDay = inst._endMonth = inst._endYear = inst._rangeStart = null;
+		this._selectDate(inst, '');
+	},
+
+	/* Update the input field with the selected date. */
+	_selectDate: function(id, dateStr) {
+		var inst = this._getInst(id);
+		dateStr = (dateStr != null ? dateStr : inst._formatDateTime());
+		if (inst._rangeStart)
+			dateStr = inst._formatDateTime(inst._rangeStart) + inst._get('rangeSeparator') + dateStr;
+		if (inst._input)
+			inst._input.val(dateStr);
+		var onSelect = inst._get('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 (!this._stayOpen) {
+			if (! this._doNotHide) {
+				this._hideDatepicker(null, inst._get('speed'));
+				this._lastInput = inst._input[0];
+				if (typeof(inst._input[0]) != 'object')
+					inst._input[0].focus(); // restore focus
+				this._lastInput = null;
+			}
+		}
+	},
+
+	/* 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(), (date.getTimezoneOffset() / -60));
+		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 $.datetimepicker.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
+				checkDate.setDate(checkDate.getDate() + 3); // Generate for next year
+				return $.datetimepicker.iso8601Week(checkDate);
+			}
+		}
+		return Math.floor(((checkDate - firstMon) / 86400000) / 7) + 1; // Weeks to given date
+	},
+	
+	/* Provide status text for a particular date.
+	   @param  date  the date to get the status for
+	   @param  inst  the current datetimepicker instance
+	   @return  the status display text for this date */
+	dateStatus: function(date, inst) {
+		return $.datetimepicker.formatDate(inst._get('dateStatus'), date, inst._getFormatConfig());
+	},
+
+	/* Parse a string value into a date object.
+	   The format can be combinations of the following:
+	   d  - day of month (no leading zero)
+	   dd - day of month (two 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)
+	   '...' - literal text
+	   '' - single quote
+
+	   @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 hour = -1;
+		var minute = -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 size = (match == 'y' ? 4 : 2);
+			var num = 0;
+			while (size > 0 && iValue < value.length &&
+					value.charAt(iValue) >= '0' && value.charAt(iValue) <= '9') {
+				num = num * 10 + (value.charAt(iValue++) - 0);
+				size--;
+			}
+			if (size == (match == 'y' ? 4 : 2))
+				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 'h':
+						hour = getNumber('h');
+						break;
+					case 'i':
+						minute = getNumber('i');
+						break;
+					case 'd':
+						day = getNumber('d');
+						break;
+					case 'D': 
+						getName('D', dayNamesShort, dayNames);
+						break;
+					case 'm': 
+						month = getNumber('m');
+						break;
+					case 'M':
+						month = getName('M', monthNamesShort, monthNames); 
+						break;
+					case 'y':
+						year = getNumber('y');
+						break;
+					case "'":
+						if (lookAhead("'"))
+							checkLiteral();
+						else
+							literal = true;
+						break;
+					default:
+						checkLiteral();
+				}
+		}
+		if (year < 100) {
+			year += new Date().getFullYear() - new Date().getFullYear() % 100 +
+				(year <= shortYearCutoff ? 0 : -100);
+		}
+		var date = new Date(year, month - 1, day,hour,minute);
+		if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day) {
+			throw 'Invalid date'; // E.g. 31/02/*
+		}
+		return date;
+	},
+
+	/* 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)
+	   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)
+	   '...' - 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) {
+			return (lookAhead(match) && value < 10 ? '0' : '') + value;
+		};
+		// 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 'h':
+							output += formatNumber('h', date.getHours());
+							break;
+						case 'i':
+							output += formatNumber('i', date.getMinutes());
+							break;
+						case 'd':
+							output += formatNumber('d', date.getDate()); 
+							break;
+						case 'D': 
+							output += formatName('D', date.getDay(), dayNamesShort, dayNames);
+							break;
+						case 'm': 
+							output += formatNumber('m', date.getMonth() + 1); 
+							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 "'":
+							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' || 'm' || 'y':
+						chars += '0123456789'; 
+						break;
+					case 'D' || 'M':
+						return null; // Accept anything
+					case "'":
+						if (lookAhead("'"))
+							chars += "'";
+						else
+							literal = true;
+						break;
+					default:
+						chars += format.charAt(iFormat);
+				}
+		return chars;
+	}
+});
+
+/* Individualised settings for date picker functionality applied to one or more related inputs.
+   Instances are managed and manipulated through the Datepicker manager. */
+function DateTimepickerInstance(settings, inline) {
+	this._id = $.datetimepicker._register(this);
+	this._selectedDay = 0; // Current date for selection
+	this._selectedMonth = 0; // 0-11
+	this._selectedYear = 0; // 4-digit year
+	this._drawMonth = 0; // Current month at start of datetimepicker
+	this._drawYear = 0;
+	this._drawHour = 0;
+	this._drawMinute = 0;
+	this._input = null; // The attached input field
+	this._inline = inline; // True if showing inline, false if used in a popup
+	this._datetimepickerDiv = (!inline ? $.datetimepicker._datetimepickerDiv :
+		$('<div id="datetimepicker_div_' + this._id + '" class="datetimepicker_inline">'));
+	// customise the date picker object - uses manager defaults if not overridden
+	this._settings = extendRemove(settings || {}); // clone
+	if (inline)
+		this._setDate(this._getDefaultDate());
+}
+
+$.extend(DateTimepickerInstance.prototype, {
+	/* Get a setting value, defaulting if necessary. */
+	_get: function(name) {
+		return this._settings[name] !== undefined ? this._settings[name] : $.datetimepicker._defaults[name];
+	},
+
+	/* Parse existing date and initialise date picker. */
+	_setDateFromField: function(input) {
+		this._input = $(input);
+		var dateFormat = this._get('dateFormat')+' '+this._get('timeFormat');
+		var dates = this._input ? this._input.val().split(this._get('rangeSeparator')) : null; 
+		this._endDay = this._endMonth = this._endYear = null;
+		var date = defaultDate = this._getDefaultDate();
+		if (dates.length > 0) {
+			var settings = this._getFormatConfig();
+			if (dates.length > 1) {
+				date = $.datetimepicker.parseDate(dateFormat, dates[1], settings) || defaultDate;
+				this._endDay = date.getDate();
+				this._endMonth = date.getMonth();
+				this._endYear = date.getFullYear();
+			}
+			try {
+				date = $.datetimepicker.parseDate(dateFormat, dates[0], settings) || defaultDate;
+			} catch (e) {
+				$.datetimepicker.log(e);
+				date = defaultDate;
+			}
+		}
+		this._selectedDay = date.getDate();
+		this._drawMonth = this._selectedMonth = date.getMonth();
+		this._drawYear = this._selectedYear = date.getFullYear();
+		this._drawHour = this._selectedHour = date.getHours();
+		this._drawMinute = this._selectedMinute = date.getMinutes();
+		this._currentDay = (dates[0] ? date.getDate() : 0);
+		this._currentMonth = (dates[0] ? date.getMonth() : 0);
+		this._currentYear = (dates[0] ? date.getFullYear() : 0);
+		this._adjustDate();
+	},
+	
+	/* Retrieve the default date shown on opening. */
+	_getDefaultDate: function() {
+		var date = this._determineDate('defaultDate', new Date());
+		var minDate = this._getMinMaxDate('min', true);
+		var maxDate = this._getMinMaxDate('max');
+		date = (minDate && date < minDate ? minDate : date);
+		date = (maxDate && date > maxDate ? maxDate : date);
+		return date;
+	},
+
+	/* A date may be specified as an exact value or a relative one. */
+	_determineDate: function(name, defaultDate) {
+		var offsetNumeric = function(offset) {
+			var date = new Date();
+			date.setDate(date.getDate() + offset);
+			return date;
+		};
+		var offsetString = function(offset, getDaysInMonth) {
+			var date = new Date();
+			var matches = /^([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?$/.exec(offset);
+			if (matches) {
+				var year = date.getFullYear();
+				var month = date.getMonth();
+				var day = date.getDate();
+				switch (matches[2] || 'd') {
+					case 'd' : case 'D' :
+						day += (matches[1] - 0); break;
+					case 'w' : case 'W' :
+						day += (matches[1] * 7); break;
+					case 'm' : case 'M' :
+						month += (matches[1] - 0); 
+						day = Math.min(day, getDaysInMonth(year, month));
+						break;
+					case 'y': case 'Y' :
+						year += (matches[1] - 0);
+						day = Math.min(day, getDaysInMonth(year, month));
+						break;
+				}
+				date = new Date(year, month, day);
+			}
+			return date;
+		};
+		var date = this._get(name);
+		return (date == null ? defaultDate :
+			(typeof date == 'string' ? offsetString(date, this._getDaysInMonth) :
+			(typeof date == 'number' ? offsetNumeric(date) : date)));
+	},
+
+	/* Set the date(s) directly. */
+	_setDate: function(date, endDate) {
+		this._selectedDay = this._currentDay = date.getDate();
+		this._drawMonth = this._selectedMonth = this._currentMonth = date.getMonth();
+		this._drawYear = this._selectedYear = this._currentYear = date.getFullYear();
+		this._drawHour = this._selectedHour = this._currentHour = date.getHours();
+		this._drawMinute = this._selectedMinute = this._currentMinute = date.getMinutes();
+		if (this._get('rangeSelect')) {
+			if (endDate) {
+				this._endDay = endDate.getDate();
+				this._endMonth = endDate.getMonth();
+				this._endYear = endDate.getFullYear();
+			} else {
+				this._endDay = this._currentDay;
+				this._endMonth = this._currentMonth;
+				this._endYear = this._currentYear;
+			}
+		}
+		this._adjustDate();
+	},
+
+	/* Retrieve the date(s) directly. */
+	_getDate: function() {
+		var startDate = (!this._currentYear || (this._input && this._input.val() == '') ? null :
+			new Date(this._currentYear, this._currentMonth, this._currentDay));
+		if (this._get('rangeSelect')) {
+			return [startDate, (!this._endYear ? null :
+				new Date(this._endYear, this._endMonth, this._endDay))];
+		} else
+			return startDate;
+	},
+
+	/* Generate the HTML for the current state of the date picker. */
+	_generateDatepicker: function() {
+		var today = new Date();
+		today = new Date(today.getFullYear(), today.getMonth(), today.getDate()); // clear time
+		var showStatus = this._get('showStatus');
+		var isRTL = this._get('isRTL');
+		// build the date picker HTML
+		var clear = (this._get('mandatory') ? '' :
+			'<div class="datetimepicker_clear"><a onclick="jQuery.datetimepicker._clearDate(' + this._id + ');"' + 
+			(showStatus ? this._addStatus(this._get('clearStatus') || '&#xa0;') : '') + '>' +
+			this._get('clearText') + '</a></div>');
+		var controls = '<div class="datetimepicker_control">' + (isRTL ? '' : clear) +
+			'<div class="datetimepicker_close"><a onclick="jQuery.datetimepicker._hideDatepicker();"' +
+			(showStatus ? this._addStatus(this._get('closeStatus') || '&#xa0;') : '') + '>' +
+			this._get('closeText') + '</a></div>' + (isRTL ? clear : '')  + '</div>';
+		var prompt = this._get('prompt');
+		var closeAtTop = this._get('closeAtTop');
+		var hideIfNoPrevNext = this._get('hideIfNoPrevNext');
+		var numMonths = this._getNumberOfMonths();
+		var stepMonths = this._get('stepMonths');
+		var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
+		var minDate = this._getMinMaxDate('min', true);
+		var maxDate = this._getMinMaxDate('max');
+		var drawMonth = this._drawMonth;
+		var drawYear = this._drawYear;
+		var drawHour = this._drawHour;
+		var drawMinute = this._drawMinute;
+		if (maxDate) {
+			var maxDraw = new Date(maxDate.getFullYear(),
+				maxDate.getMonth() - numMonths[1] + 1, maxDate.getDate());
+			maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
+			while (new Date(drawYear, drawMonth, 1) > maxDraw) {
+				drawMonth--;
+				if (drawMonth < 0) {
+					drawMonth = 11;
+					drawYear--;
+				}
+			}
+		}
+		// controls and links
+		var prev = '<div class="datetimepicker_prev">' + (this._canAdjustMonth(-1, drawYear, drawMonth) ? 
+			'<a onclick="jQuery.datetimepicker._adjustDate(' + this._id + ', -' + stepMonths + ', \'M\');"' +
+			(showStatus ? this._addStatus(this._get('prevStatus') || '&#xa0;') : '') + '>' +
+			this._get('prevText') + '</a>' :
+			(hideIfNoPrevNext ? '' : '<label>' + this._get('prevText') + '</label>')) + '</div>';
+		var next = '<div class="datetimepicker_next">' + (this._canAdjustMonth(+1, drawYear, drawMonth) ?
+			'<a onclick="jQuery.datetimepicker._adjustDate(' + this._id + ', +' + stepMonths + ', \'M\');"' +
+			(showStatus ? this._addStatus(this._get('nextStatus') || '&#xa0;') : '') + '>' +
+			this._get('nextText') + '</a>' :
+			(hideIfNoPrevNext ? '>' : '<label>' + this._get('nextText') + '</label>')) + '</div>';
+		var html = (prompt ? '<div class="datetimepicker_prompt">' + prompt + '</div>' : '') +
+			(closeAtTop && !this._inline ? controls : '') +
+			'<div class="datetimepicker_links">' + (isRTL ? next : prev) +
+			(this._isInRange(today) ? '<div class="datetimepicker_current">' +
+			'<a onclick="jQuery.datetimepicker._gotoToday(' + this._id + ');"' +
+			(showStatus ? this._addStatus(this._get('currentStatus') || '&#xa0;') : '') + '>' +
+			this._get('currentText') + '</a></div>' : '') + (isRTL ? prev : next) + '</div>';
+		var showWeeks = this._get('showWeeks');
+		for (var row = 0; row < numMonths[0]; row++)
+			for (var col = 0; col < numMonths[1]; col++) {
+				var selectedDate = new Date(drawYear, drawMonth, this._selectedDay, drawHour, drawMinute);
+				html += '<div class="datetimepicker_oneMonth' + (col == 0 ? ' datetimepicker_newRow' : '') + '">' +
+					this._generateMonthYearHeader(drawMinute,drawHour,drawMonth, drawYear, minDate, maxDate,
+					selectedDate, row > 0 || col > 0) + // draw month headers
+					'<table class="datetimepicker" cellpadding="0" cellspacing="0"><thead>' + 
+					'<tr class="datetimepicker_titleRow">' +
+					(showWeeks ? '<td>' + this._get('weekHeader') + '</td>' : '');
+				var firstDay = this._get('firstDay');
+				var changeFirstDay = this._get('changeFirstDay');
+				var dayNames = this._get('dayNames');
+				var dayNamesShort = this._get('dayNamesShort');
+				var dayNamesMin = this._get('dayNamesMin');
+				for (var dow = 0; dow < 7; dow++) { // days of the week
+					var day = (dow + firstDay) % 7;
+					var status = this._get('dayStatus') || '&#xa0;';
+					status = (status.indexOf('DD') > -1 ? status.replace(/DD/, dayNames[day]) :
+						status.replace(/D/, dayNamesShort[day]));
+					html += '<td' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="datetimepicker_weekEndCell"' : '') + '>' +
+						(!changeFirstDay ? '<span' :
+						'<a onclick="jQuery.datetimepicker._changeFirstDay(' + this._id + ', ' + day + ');"') + 
+						(showStatus ? this._addStatus(status) : '') + ' title="' + dayNames[day] + '">' +
+						dayNamesMin[day] + (changeFirstDay ? '</a>' : '</span>') + '</td>';
+				}
+				html += '</tr></thead><tbody>';
+				var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
+				if (drawYear == this._selectedYear && drawMonth == this._selectedMonth) {
+					this._selectedDay = Math.min(this._selectedDay, daysInMonth);
+				}
+				var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
+				var currentDate = (!this._currentDay ? new Date(9999, 9, 9) :
+					new Date(this._currentYear, this._currentMonth, this._currentDay));
+				var endDate = this._endDay ? new Date(this._endYear, this._endMonth, this._endDay) : currentDate;
+				var printDate = new Date(drawYear, drawMonth, 1 - leadDays);
+				var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate
+				var beforeShowDay = this._get('beforeShowDay');
+				var showOtherMonths = this._get('showOtherMonths');
+				var calculateWeek = this._get('calculateWeek') || $.datetimepicker.iso8601Week;
+				var dateStatus = this._get('statusForDate') || $.datetimepicker.dateStatus;
+				for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
+					html += '<tr class="datetimepicker_daysRow">' +
+						(showWeeks ? '<td class="datetimepicker_weekCol">' + calculateWeek(printDate) + '</td>' : '');
+					for (var dow = 0; dow < 7; dow++) { // create date picker days
+						var daySettings = (beforeShowDay ?
+							beforeShowDay.apply((this._input ? this._input[0] : null), [printDate]) : [true, '']);
+						var otherMonth = (printDate.getMonth() != drawMonth);
+						var unselectable = otherMonth || !daySettings[0] ||
+							(minDate && printDate < minDate) || (maxDate && printDate > maxDate);
+						html += '<td class="datetimepicker_daysCell' +
+							((dow + firstDay + 6) % 7 >= 5 ? ' datetimepicker_weekEndCell' : '') + // highlight weekends
+							(otherMonth ? ' datetimepicker_otherMonth' : '') + // highlight days from other months
+							(printDate.getTime() == selectedDate.getTime() && drawMonth == this._selectedMonth ?
+							' datetimepicker_daysCellOver' : '') + // highlight selected day
+							(unselectable ? ' datetimepicker_unselectable' : '') +  // highlight unselectable days
+							(otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates
+							(printDate.getTime() >= currentDate.getTime() && printDate.getTime() <= endDate.getTime() ?  // in current range
+							' datetimepicker_currentDay' : '') + // highlight selected day
+							(printDate.getTime() == today.getTime() ? ' datetimepicker_today' : '')) + '"' + // highlight today (if different)
+							(unselectable ? '' : ' onmouseover="jQuery(this).addClass(\'datetimepicker_daysCellOver\');' +
+							(!showStatus || (otherMonth && !showOtherMonths) ? '' : 'jQuery(\'#datetimepicker_status_' +
+							this._id + '\').html(\'' + (dateStatus.apply((this._input ? this._input[0] : null),
+							[printDate, this]) || '&#xa0;') +'\');') + '"' +
+							' onmouseout="jQuery(this).removeClass(\'datetimepicker_daysCellOver\');' +
+							(!showStatus || (otherMonth && !showOtherMonths) ? '' : 'jQuery(\'#datetimepicker_status_' +
+							this._id + '\').html(\'&#xa0;\');') + '" onclick="jQuery.datetimepicker._selectDay(' +
+							this._id + ',' + drawMonth + ',' + drawYear + ', this);"') + '>' + // actions
+							(otherMonth ? (showOtherMonths ? printDate.getDate() : '&#xa0;') : // display for other months
+							(unselectable ? printDate.getDate() : '<a>' + printDate.getDate() + '</a>')) + '</td>'; // display for this month
+						printDate.setDate(printDate.getDate() + 1);
+					}
+					html += '</tr>';
+				}
+				drawMonth++;
+				if (drawMonth > 11) {
+					drawMonth = 0;
+					drawYear++;
+				}
+				html += '</tbody></table></div>';
+			}
+		html += (showStatus ? '<div style="clear: both;"></div><div id="datetimepicker_status_' + this._id + 
+			'" class="datetimepicker_status">' + (this._get('initStatus') || '&#xa0;') + '</div>' : '') +
+			(!closeAtTop && !this._inline ? controls : '') +
+			'<div style="clear: both;"></div>' + 
+			($.browser.msie && parseInt($.browser.version) < 7 && !this._inline ? 
+			'<iframe src="javascript:false;" class="datetimepicker_cover"></iframe>' : '');
+		return html;
+	},
+	
+	/* Generate the month and year header. */
+	_generateMonthYearHeader: function(drawMinute,drawHour,drawMonth, drawYear, minDate, maxDate, selectedDate, secondary) {
+		minDate = (this._rangeStart && minDate && selectedDate < minDate ? selectedDate : minDate);
+		var showStatus = this._get('showStatus');
+		var html = '<div class="datetimepicker_header">';
+		// month selection
+		var monthNames = this._get('monthNames');
+		if (secondary || !this._get('changeMonth'))
+			html += monthNames[drawMonth] + '&#xa0;';
+			
+		else {
+			var inMinYear = (minDate && minDate.getFullYear() == drawYear);
+			var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
+			html += '<select class="datetimepicker_newMonth" ' +
+				'onchange="jQuery.datetimepicker._selectMonthYear(' + this._id + ', this, \'M\');" ' +
+				'onclick="jQuery.datetimepicker._clickMonthYear(' + this._id + ');"' +
+				(showStatus ? this._addStatus(this._get('monthStatus') || '&#xa0;') : '') + '>';
+			for (var month = 0; month < 12; month++) {
+				if ((!inMinYear || month >= minDate.getMonth()) &&
+						(!inMaxYear || month <= maxDate.getMonth())) {
+					html += '<option value="' + month + '"' +
+						(month == drawMonth ? ' selected="selected"' : '') +
+						'>' + monthNames[month] + '</option>';
+				}
+			}
+			html += '</select>';
+		}
+		// year selection
+		if (secondary || !this._get('changeYear'))
+			html += drawYear;
+		else {
+			// determine range of years to display
+			var years = this._get('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="datetimepicker_newYear" ' +
+				'onchange="jQuery.datetimepicker._selectMonthYear(' + this._id + ', this, \'Y\');" ' +
+				'onclick="jQuery.datetimepicker._clickMonthYear(' + this._id + ');"' +
+				(showStatus ? this._addStatus(this._get('yearStatus') || '&#xa0;') : '') + '>';
+			for (; year <= endYear; year++) {
+				html += '<option value="' + year + '"' +
+					(year == drawYear ? ' selected="selected"' : '') +
+					'>' + year + '</option>';
+			}
+			html += '</select>';
+		}
+		// if (this._get('changeTime'))
+		{
+			html += '<br />';
+			html += '<select class="datetimepicker_newHour" ' +
+				'onchange="jQuery.datetimepicker._selectTime(' + this._id + ', this, \'H\');" ' +
+				'onclick="jQuery.datetimepicker._clickMonthYear(' + this._id + ');"' +
+				(showStatus ? this._addStatus(this._get('hourStatus') || '&#xa0;') : '') + '>';
+			for (hour=0; hour < 24; hour++) {
+				html += '<option value="' + hour + '"' +
+					(hour == drawHour ? ' selected="selected"' : '') +
+					'>' + ((hour<10)?'0'+hour:hour) + '</option>';
+			}
+			html += '</select>';
+			html += '&nbsp;:&nbsp;';
+			html += '<select class="datetimepicker_newMinute" ' +
+				'onchange="jQuery.datetimepicker._selectTime(' + this._id + ', this, \'M\');" ' +
+				'onclick="jQuery.datetimepicker._clickMonthYear(' + this._id + ');"' +
+				(showStatus ? this._addStatus(this._get('minuteStatus') || '&#xa0;') : '') + '>';
+			for (minute=0; minute < 60; minute++) {
+				html += '<option value="' + minute + '"' +
+					(minute == drawMinute ? ' selected="selected"' : '') +
+					'>' + ((minute<10)?'0'+minute:minute) + '</option>';
+			}
+			html += '</select>';
+		}
+		html += '</div>'; // Close datetimepicker_header
+		return html;
+	},
+
+	/* Provide code to set and clear the status panel. */
+	_addStatus: function(text) {
+		return ' onmouseover="jQuery(\'#datetimepicker_status_' + this._id + '\').html(\'' + text + '\');" ' +
+			'onmouseout="jQuery(\'#datetimepicker_status_' + this._id + '\').html(\'&#xa0;\');"';
+	},
+
+	/* Adjust one of the date sub-fields. */
+	_adjustDate: function(offset, period) {
+		var year = this._drawYear + (period == 'Y' ? offset : 0);
+		var month = this._drawMonth + (period == 'M' ? offset : 0);
+		var day = Math.min(this._selectedDay, this._getDaysInMonth(year, month)) +
+			(period == 'D' ? offset : 0);
+		var hour = this._drawHour + (period == 'H' ? offset : 0);
+		var minute = this._drawMinute + (period == 'I' ? offset : 0);
+		var date = new Date(year, month, day, hour, minute);
+		// ensure it is within the bounds set
+		var minDate = this._getMinMaxDate('min', true);
+		var maxDate = this._getMinMaxDate('max');
+		date = (minDate && date < minDate ? minDate : date);
+		date = (maxDate && date > maxDate ? maxDate : date);
+		this._selectedDay = date.getDate();
+		this._drawMonth = this._selectedMonth = date.getMonth();
+		this._drawYear = this._selectedYear = date.getFullYear();
+		this._drawHour = this._selectedHour = date.getHours();
+		this._drawMinute = this._selectedMinute = date.getMinutes();
+	},
+	
+	/* Determine the number of months to show. */
+	_getNumberOfMonths: function() {
+		var numMonths = this._get('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(minMax, checkRange) {
+		var date = this._determineDate(minMax + 'Date', null);
+		if (date) {
+			date.setHours(0);
+			date.setMinutes(0);
+			date.setSeconds(0);
+			date.setMilliseconds(0);
+		}
+		return date || (checkRange ? this._rangeStart : null);
+	},
+
+	/* 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(offset, curYear, curMonth) {
+		var numMonths = this._getNumberOfMonths();
+		var date = new Date(curYear, curMonth + (offset < 0 ? offset : numMonths[1]), 1);
+		if (offset < 0)
+			date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
+		return this._isInRange(date);
+	},
+
+	/* Is the given date in the accepted range? */
+	_isInRange: function(date) {
+		// during range selection, use minimum of selected date and range start
+		var newMinDate = (!this._rangeStart ? null :
+			new Date(this._selectedYear, this._selectedMonth, this._selectedDay));
+		newMinDate = (newMinDate && this._rangeStart < newMinDate ? this._rangeStart : newMinDate);
+		var minDate = newMinDate || this._getMinMaxDate('min');
+		var maxDate = this._getMinMaxDate('max');
+		return ((!minDate || date >= minDate) && (!maxDate || date <= maxDate));
+	},
+	
+	/* Provide the configuration settings for formatting/parsing. */
+	_getFormatConfig: function() {
+		var shortYearCutoff = this._get('shortYearCutoff');
+		shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
+			new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
+		return {shortYearCutoff: shortYearCutoff,
+			dayNamesShort: this._get('dayNamesShort'), dayNames: this._get('dayNames'),
+			monthNamesShort: this._get('monthNamesShort'), monthNames: this._get('monthNames')};
+	},
+
+	/* Format the given date for display. */
+	_formatDateTime: function(day, month, year, hour, minute) {
+		if (!day) {
+			this._currentDay = this._selectedDay;
+			this._currentMonth = this._selectedMonth;
+			this._currentYear = this._selectedYear;
+			this._currentHour = this._selectedHour;
+			this._currentMinute = this._selectedMinute;
+		}
+		var date = (day ? (typeof day == 'object' ? day : new Date(year, month, day, hour, minute)) :
+			new Date(this._currentYear, this._currentMonth, this._currentDay, this._currentHour, this._currentMinute));
+		return $.datetimepicker.formatDate(this._get('dateFormat')+' '+this._get('timeFormat'), date, this._getFormatConfig());
+	}
+});
+
+/* jQuery extend now ignores nulls! */
+function extendRemove(target, props) {
+	$.extend(target, props);
+	for (var name in props)
+		if (props[name] == null)
+			target[name] = null;
+	return target;
+};
+
+/* Invoke the datetimepicker functionality.
+   @param  options  String - a command, optionally followed by additional parameters or
+                    Object - settings for attaching new datetimepicker functionality
+   @return  jQuery object */
+$.fn.datetimepicker = function(options){
+	var otherArgs = Array.prototype.slice.call(arguments, 1);
+	if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate')) {
+		return $.datetimepicker['_' + options + 'Datepicker'].apply($.datetimepicker, [this[0]].concat(otherArgs));
+	}
+	return this.each(function() {
+		typeof options == 'string' ?
+			$.datetimepicker['_' + options + 'Datepicker'].apply($.datetimepicker, [this].concat(otherArgs)) :
+			$.datetimepicker._attachDatepicker(this, options);
+	});
+};
+
+$.datetimepicker = new DateTimepicker(); // singleton instance
+	
+/* Initialise the date picker. */
+$(document).ready(function() {
+	$(document.body).append($.datetimepicker._datetimepickerDiv)
+		.mousedown($.datetimepicker._checkExternalClick);
+});
+
+})(jQuery);
\ No newline at end of file
diff -r 58da949dd64c -r 3e50c012a4a8 app/soc/content/css/ui.datetimepicker.css
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/soc/content/css/ui.datetimepicker.css	Tue Jan 20 16:31:53 2009 +0000
@@ -0,0 +1,178 @@
+/* Main Dark Style Sheet for jQuery UI Datepicker */
+ #datetimepicker_div,  .datetimepicker_inline {
+	font-family: Arial, Helvetica, sans-serif;
+	font-size: 14px;
+	padding: 0;
+	margin: 0;
+	background: #222;
+	width: 185px;
+}
+ #datetimepicker_div {
+	display: none;
+	border: 1px solid #07F;
+	z-index: 10;
+}
+ .datetimepicker_inline {
+	float: left;
+	display: block;
+	border: 0;
+}
+ .datetimepicker_dialog {
+	padding: 5px !important;
+	border: 4px ridge #222 !important;
+}
+ button.datetimepicker_trigger {
+	width: 25px;
+}
+ img.datetimepicker_trigger {
+	margin: 2px;
+	vertical-align: middle;
+}
+ .datetimepicker_prompt {
+	float: left;
+	padding: 2px;
+	background: #222;
+	color: snow;
+}
+*html  .datetimepicker_prompt {
+	width: 185px;
+}
+ .datetimepicker_control,  .datetimepicker_links,  .datetimepicker_header,  .datetimepicker {
+	clear: both;
+	float: left;
+	width: 100%;
+	color: #111;
+}
+ .datetimepicker_control {
+	background: #469;
+	padding: 2px 0px;
+}
+ .datetimepicker_links {
+	background: #347;
+	padding: 2px 0px;
+}
+ .datetimepicker_control,  .datetimepicker_links {
+	font-weight: bold;
+	font-size: 80%;
+	letter-spacing: 1px;
+}
+ .datetimepicker_links label {
+	padding: 2px 5px;
+	color: #888;
+}
+ .datetimepicker_clear,  .datetimepicker_prev {
+	float: left;
+	width: 34%;
+}
+ .datetimepicker_current {
+	float: left;
+	width: 30%;
+	text-align: center;
+}
+ .datetimepicker_close,  .datetimepicker_next {
+	float: right;
+	width: 34%;
+	text-align: right;
+}
+ .datetimepicker_header {
+	padding: 1px 0 3px;
+	background: #944;
+	text-align: center;
+	font-weight: bold;
+	height: 3em;
+}
+ .datetimepicker_header select {
+	background: #944;
+	color: snow;
+	border: 0px;
+	font-weight: bold;
+}
+ .datetimepicker {
+	background: #333;
+	text-align: center;
+	font-size: 100%;
+}
+ .datetimepicker a {
+	display: block;
+	width: 100%;
+}
+ .datetimepicker .datetimepicker_titleRow {
+	background: #733;
+	color: snow;
+}
+ .datetimepicker .datetimepicker_daysRow {
+	background: #111;
+	color: #AAA;
+}
+ .datetimepicker_weekCol {
+	background: #733;
+	color: #FFF;
+}
+ .datetimepicker .datetimepicker_daysCell {
+	color: snow;
+	border: 1px solid #222;
+}
+ #datetimepicker .datetimepicker_daysCell a {
+	display: block;
+}
+ .datetimepicker .datetimepicker_weekEndCell {
+	background: #444;
+}
+ .datetimepicker .datetimepicker_daysCellOver {
+	background: #111;
+	border: 1px solid #999;
+}
+ .datetimepicker .datetimepicker_unselectable {
+	color: #888;
+}
+ .datetimepicker_today {
+	background: #944 !important;
+}
+ .datetimepicker_currentDay {
+	background: #733 !important;
+}
+ #datetimepicker_div a,  .datetimepicker_inline a {
+	cursor: pointer;
+	margin: 0;
+	padding: 0;
+	background: none;
+	color: snow;
+}
+ .datetimepicker_inline .datetimepicker_links a {
+	padding: 0 5px !important;
+}
+ .datetimepicker_control a,  .datetimepicker_links a {
+	padding: 2px 5px !important;
+	color: snow !important;
+}
+ .datetimepicker_titleRow a {
+	color: snow !important;
+}
+ .datetimepicker_control a: hover {
+	color: #ccc !important;
+}
+ .datetimepicker_links a: hover,  .datetimepicker_titleRow a: hover {
+	background: #111 !important;
+	color: #CCC !important;
+}
+ .datetimepicker_multi .datetimepicker {
+	border: 1px solid #944;
+}
+ .datetimepicker_oneMonth {
+	float: left;
+	width: 185px;
+}
+ .datetimepicker_newRow {
+	clear: left;
+}
+ .datetimepicker_cover {
+	display: none;
+	display/**/: block;
+	position: absolute;
+	z-index: -1;
+	filter: mask();
+	top: -4px;
+	left: -4px;
+	width: 193px;
+	height: 200px;
+}