﻿/*
 * jQuery UI 
 *
 * 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
 */
;jQuery.ui || (function($) {

var _remove = $.fn.remove,
	isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9);

//Helper functions and ui object
$.ui = {
	version: "1.7.1",

	// $.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 || !instance.element[0].parentNode) { 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);
	},

	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]);
	},

	focusable: function(element) {
		var nodeName = element.nodeName.toLowerCase(),
			tabIndex = $.attr(element, 'tabindex');
		return (/input|select|textarea|button|object/.test(nodeName)
			? !element.disabled
			: 'a' == nodeName || 'area' == nodeName
				? element.href || !isNaN(tabIndex)
				: !isNaN(tabIndex))
			// the element and all of its ancestors must be visible
			// the browser may report that the area is hidden
			&& !$(element)['area' == nodeName ? 'parents' : 'closest'](':hidden').length;
	},

	tabbable: function(element) {
		var tabIndex = $.attr(element, 'tabindex');
		return (isNaN(tabIndex) || tabIndex >= 0) && $(element).is(':focusable');
	}
});


// $.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))._init());

			// 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();
			});
	};

	// 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);
		event.type = eventName;

		// copy original event properties over to the new event
		// this would happen if we could call $.event.fix instead of $.Event
		// but we don't have a way to force an event to be fixed multiple times
		if (event.originalEvent) {
			for (var i = $.event.props.length, prop; i;) {
				prop = $.event.props[--i];
				event[prop] = event.originalEvent[prop];
			}
		}

		this.element.trigger(event, data);

		return !($.isFunction(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;
					event.stopImmediatePropagation();
					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) {
		// don't let more than one widget handle mouseStart
		// TODO: figure out why we have to use originalEvent
		event.originalEvent = event.originalEvent || {};
		if (event.originalEvent.mouseHandled) { return; }

		// 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());

		event.originalEvent.mouseHandled = true;
		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 = (event.target == this._mouseDownEvent.target);
			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);

/* 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-datepicker)
   Dual licensed under the MIT (MIT-LICENSE.txt)
   and GPL (GPL-LICENSE.txt) licenses.
   Date: 09-03-2007  */
   
function datePickerResetY(curY)
{
    $("#datepicker_div").css("top", curY);
}
var datePickerHeight = 0;
// I hate this function, the control isn't built before I call it so the first call never gives me a height, hence the guessing
function getDatePickerHeight()
{
    // FF - 182
    //return 182; 
    var arrowHeight = 13;
    if (datePickerHeight == 0)
    {
        $("#datepicker_div").show()
        datePickerHeight = $("#datepicker_div").outerHeight();
    }
    // default if we don't have it.. assuming 180 for webkit and 168 for everyone else
    
    if (datePickerHeight == undefined || datePickerHeight == 0) 
    {
        var webKit = $("#datepicker_div").css("-webkit-background-clip");
        
        if (webKit != undefined && webKit != null && webKit.length != "")
            return 180 + arrowHeight;
        else
            return 168 + arrowHeight;
    }
    return datePickerHeight + arrowHeight;
}
function datePickerShowCalendar(controlName, minDate, maxDate, curX, curY, position, className, onSelect)
{
    var control = $(controlName);
    var myDateFormat = "mm/dd/yy";
    
    // this thing requires yy for 4 digit year??
    if (DEFAULT_DATEFORMAT != undefined && DEFAULT_DATEFORMAT.toLowerCase() == "dd/mm/yyyy")
        myDateFormat = "dd/mm/yy";
        
    if (position != "fixed")
    {
        $("#datepicker_div").css("position", "absolute");    
    }
    else
    {
        $("#datepicker_div").css("position", "fixed");    
    }
    
    // allows us to switch between the top arrow and bottom arrow designs
    if (className != undefined)
        $("#datepicker_div").addClass(className);
        
    if (onSelect == undefined)
    {
        onSelect = function(dateText) {$(controlName).text(dateText);};
    }
    $("#divDatePickerCalendar").datepicker( 
        "dialog" , 
        control.text(), 
        onSelect, 
        {
            nextText: ">>",
            prevText: "<<",
            mandatory: true,
            changeFirstDay: false,
            minDate: minDate,
	        maxDate: maxDate,
	        showAnim: "show",
	        speed: "",
	        dateFormat: myDateFormat
        }, 
        [ curX, curY ]  );
        
        if (isIE6())
        {
            if ($("#datepicker_bottom").css("filter").length > 0)
            {
                $("#datepicker_bottom").css("background", "url(none)");
            }
        }
}   
   
   
;(function($) { // hide the namespace

/* 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
   (DatepickerInstance), allowing multiple different settings on the same page. */

function Datepicker() {
	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._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.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: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // 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
		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. $.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
		onClose: null, // Define a callback function when the datepicker 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._datepickerDiv = $('<div id="datepicker_div"></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);
	},
	
	/* 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 DatepickerInstance(instSettings, false));
			this._connectDatepicker(target, inst);
		} else if (nodeName == 'div' || nodeName == 'span') {
			var inst = new DatepickerInstance(instSettings, true);
			this._inlineDatepicker(target, inst);
		}
	},

	/* Detach a datepicker 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('.datepicker_append').replaceWith('').end()
				.siblings('.datepicker_trigger').replaceWith('').end()
				.removeClass(this.markerClassName)
				.unbind('focus', this._showDatepicker)
				.unbind('keydown', this._doKeyDown)
				.unbind('keypress', this._doKeyPress);
			var wrapper = $target.parents('.datepicker_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.datepicker_trigger').each(function() { this.disabled = false; }).end()
			.siblings('img.datepicker_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.datepicker_trigger').each(function() { this.disabled = true; }).end()
			.siblings('img.datepicker_trigger').css({opacity: '0.5', cursor: 'default'});
		this._disabledInputs = $.map($.datepicker._disabledInputs,
			function(value) { return (value == target ? null : value); }); // delete entry
		this._disabledInputs[$.datepicker._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;
	},

	/* 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 = $.datepicker._getInst(this._calId);
		if ($.datepicker._datepickerShowing)
			switch (e.keyCode) {
				case 9:  $.datepicker._hideDatepicker(null, '');
						break; // hide on tab out
				case 13: $.datepicker._selectDay(inst, inst._selectedMonth, inst._selectedYear,
							$('td.datepicker_daysCellOver', inst._datepickerDiv)[0]);
						return false; // don't submit the form
						break; // select the value on enter
				case 27: $.datepicker._hideDatepicker(null, inst._get('speed'));
						break; // hide on escape
				case 33: $.datepicker._adjustDate(inst,
							(e.ctrlKey ? -1 : -inst._get('stepMonths')), (e.ctrlKey ? 'Y' : 'M'));
						break; // previous month/year on page up/+ ctrl
				case 34: $.datepicker._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) $.datepicker._clearDate(inst);
						break; // clear on ctrl+end
				case 36: if (e.ctrlKey) $.datepicker._gotoToday(inst);
						break; // current on ctrl+home
				case 37: if (e.ctrlKey) $.datepicker._adjustDate(inst, -1, 'D');
						break; // -1 day on ctrl+left
				case 38: if (e.ctrlKey) $.datepicker._adjustDate(inst, -7, 'D');
						break; // -1 week on ctrl+up
				case 39: if (e.ctrlKey) $.datepicker._adjustDate(inst, +1, 'D');
						break; // +1 day on ctrl+right
				case 40: if (e.ctrlKey) $.datepicker._adjustDate(inst, +7, 'D');
						break; // +1 week on ctrl+down
			}
		else if (e.keyCode == 36 && e.ctrlKey) // display the date picker on ctrl+home
			$.datepicker._showDatepicker(this);
	},

	/* Filter entered characters - based on date format. */
	_doKeyPress: function(e) {
		var inst = $.datepicker._getInst(this._calId);
		var chars = $.datepicker._possibleChars(inst._get('dateFormat'));
		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="datepicker_append">' + appendText);
			else
				input.after('<span class="datepicker_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="datepicker_wrap">');
			var buttonText = inst._get('buttonText');
			var buttonImage = inst._get('buttonImage');
			var trigger = $(inst._get('buttonImageOnly') ? 
				$('<img>').addClass('datepicker_trigger').attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
				$('<button>').addClass('datepicker_trigger').attr({ type: 'button' }).html(buttonImage != '' ? 
						$('<img>').attr({ src:buttonImage, alt:buttonText, title:buttonText }) : buttonText));
			if (isRTL)
				input.before(trigger);
			else
				input.after(trigger);
			trigger.click(function() {
				if ($.datepicker._datepickerShowing && $.datepicker._lastInput == target)
					$.datepicker._hideDatepicker();
				else
					$.datepicker._showDatepicker(target);
			});
        }
		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 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._datepickerDiv)
			.bind("setData.datepicker", function(event, key, value){
				inst._settings[key] = value;
			}).bind("getData.datepicker", 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._datepickerDiv.width(numMonths[1] * $('.datepicker', inst._datepickerDiv[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 DatepickerInstance({}, false);
			this._dialogInput = $('<input type="text" size="1" style="display: none; position: fixed; 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);
        $(window).resize(function() { $.datepicker._hideDatepicker(); });

		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('position', $("#datepicker_div").css("position"));
		this._dialogInput.css('left', this._pos[0] + 'px');
		if (this._dialogInput.css('position') == "fixed")
		    this._dialogInput.css('bottom', this._pos[1] + 'px');
		else
		    this._dialogInput.css('top', this._pos[1] + 'px');
		inst._settings.onSelect = onSelect;
		this._inDialog = true;
		this._datepickerDiv.addClass('datepicker_dialog');
		this._showDatepicker(this._dialogInput[0]);
		if ($.blockUI)
			$.blockUI(this._datepickerDiv);
		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 = $('input', input.parentNode)[0];
		if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
			return;
		var inst = $.datepicker._getInst(input._calId);
		var beforeShow = inst._get('beforeShow');
		extendRemove(inst._settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {}));
		$.datepicker._hideDatepicker(null, '');
		$.datepicker._lastInput = input;
		inst._setDateFromField(input);
		if ($.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';
		});
		if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
			$.datepicker._pos[0] -= document.documentElement.scrollLeft;
			$.datepicker._pos[1] -= document.documentElement.scrollTop;
		}
		inst._datepickerDiv.css("left", $.datepicker._pos[0] + 'px');
		if (inst._datepickerDiv.css("position") == "fixed")
		    inst._datepickerDiv.css("bottom", $.datepicker._pos[1] + 'px');
		else
		    inst._datepickerDiv.css("top", $.datepicker._pos[1] + 'px');
		$.datepicker._pos = null;
		inst._rangeStart = null;
		$.datepicker._updateDatepicker(inst);
		if (!inst._inline) {
			var speed = inst._get('speed');
			var postProcess = function() {
				$.datepicker._datepickerShowing = true;
				$.datepicker._afterShow(inst);
			};
			var showAnim = inst._get('showAnim') || 'show';
	        inst._datepickerDiv[showAnim](speed, postProcess);
			if (speed == '')
				postProcess();
			if (inst._input[0].type != 'hidden' && inst._input.css("display") != "none")
				inst._input[0].focus();
			$.datepicker._curInst = inst;
		}
	},

	/* Generate the date picker content. */
	_updateDatepicker: function(inst) {
		inst._datepickerDiv.empty().append(inst._generateDatepicker());
		var numMonths = inst._getNumberOfMonths();
		if (numMonths[0] != 1 || numMonths[1] != 1)
			inst._datepickerDiv.addClass('datepicker_multi');
		else
			inst._datepickerDiv.removeClass('datepicker_multi');

		if (inst._get('isRTL'))
			inst._datepickerDiv.addClass('datepicker_rtl');
		else
			inst._datepickerDiv.removeClass('datepicker_rtl');

		if (inst._input && inst._input[0].type != 'hidden' && inst._input.css("display") != "none")
			$(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._datepickerDiv.width(numMonths[1] * $('.datepicker', inst._datepickerDiv[0])[0].offsetWidth);
		if ($.browser.msie && parseInt($.browser.version) < 7) { // fix IE < 7 select problems
			$('iframe.datepicker_cover').css({width: inst._datepickerDiv.outerWidth() + 4,
				height: inst._datepickerDiv.outerHeight() + 4});
		}
		// re-position on screen if necessary
		var isFixed = inst._datepickerDiv.css('position') == 'fixed';
		var pos = inst._input ? $.datepicker._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);
		
		if (!this._inDialog)
		{
            if ((inst._datepickerDiv.offset().left + inst._datepickerDiv.width() -
				    (isFixed && $.browser.msie ? document.documentElement.scrollLeft : 0)) >
				    (browserWidth + scrollX)) {
			    // reposition date picker horizontally if outside the browser window
                inst._datepickerDivthis._dialogInput.css('left', Math.max(scrollX,
				    pos[0] + (inst._input ? $(inst._input[0]).width() : null) - inst._datepickerDiv.width() -
				    (isFixed && $.browser.opera ? document.documentElement.scrollLeft : 0)) + 'px');
		    }
		    if ((inst._datepickerDiv.offset().top + inst._datepickerDiv.height() -
				    (isFixed && $.browser.msie ? document.documentElement.scrollTop : 0)) >
				    (browserHeight + scrollY) ) {
		        // reposition date picker vertically if outside the browser window
			    inst._datepickerDiv.css('top', Math.max(scrollY,
				    pos[1] - (this._inDialog ? 0 : inst._datepickerDiv.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._formatDate(
				inst._currentDay, inst._currentMonth, inst._currentYear));
		}
		this._stayOpen = false;
		if (this._datepickerShowing) {
			speed = (speed != null ? speed : inst._get('speed'));
			var showAnim = inst._get('showAnim');
			inst._datepickerDiv[(showAnim == 'slideDown' ? 'slideUp' :
				(showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))](speed, function() {
				$.datepicker._tidyDialog(inst);
			});
			if (speed == '')
				this._tidyDialog(inst);
			var onClose = inst._get('onClose');
			if (onClose) {
				onClose.apply((inst._input ? inst._input[0] : null),
					[inst._getDate(), inst]);  // trigger custom callback
			}
			this._datepickerShowing = false;
			this._lastInput = null;
			inst._settings.prompt = null;
			if (this._inDialog) {
				this._dialogInput.css({ left: '0', top: '-100px' });
				if ($.blockUI) {
					$.unblockUI();
					$('body').append(this._datepickerDiv);
				}
			}
			this._inDialog = false;
		}
		this._curInst = null;
	},

	/* Tidy up after a dialog display. */
	_tidyDialog: function(inst) {
		inst._datepickerDiv.removeClass('datepicker_dialog').unbind('.datepicker');
		$('.datepicker_prompt', inst._datepickerDiv).remove();
	},

	/* Close date picker if clicked elsewhere. */
	_checkExternalClick: function(event) {
		if (!$.datepicker._curInst)
			return;
		var $target = $(event.target);
		if (($target.parents("#datepicker_div").length == 0) &&
				!$target.hasClass('hasDatepicker') &&
				!$target.hasClass('datepicker_trigger') &&
				$.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI)) {
			$.datepicker._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();
		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);
	},

	/* Restore input focus after not changing month/year. */
	_clickMonthYear: function(id) {
		var inst = this._getInst(id);
		if (inst._input && inst._input.css("display") != "none" && inst._selectingMonthYear && !$.browser.msie)
			inst._input[0].focus();
		inst._selectingMonthYear = !inst._selectingMonthYear;
	},

	/* 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('.datepicker_unselectable'))
			return;
		var inst = this._getInst(id);
		var rangeSelect = inst._get('rangeSelect');
		if (rangeSelect) {
			if (!this._stayOpen) {
				$('.datepicker td').removeClass('datepicker_currentDay');
				$(td).addClass('datepicker_currentDay');
			} 
			this._stayOpen = !this._stayOpen;
		}
		inst._selectedDay = inst._currentDay = $('a', td).html();
		inst._selectedMonth = inst._currentMonth = month;
		inst._selectedYear = inst._currentYear = year;
		this._selectDate(id, inst._formatDate(
			inst._currentDay, inst._currentMonth, inst._currentYear));
		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._formatDate());
		if (inst._rangeStart)
			dateStr = inst._formatDate(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) {
			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 $.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
				checkDate.setDate(checkDate.getDate() + 3); // Generate for next year
				return $.datepicker.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 datepicker instance
	   @return  the status display text for this date */
	dateStatus: function(date, inst) {
		return $.datepicker.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 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 '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);
		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 '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 DatepickerInstance(settings, inline) {
	this._id = $.datepicker._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 datepicker
	this._drawYear = 0;
	this._input = null; // The attached input field
	this._inline = inline; // True if showing inline, false if used in a popup
	this._datepickerDiv = (!inline ? $.datepicker._datepickerDiv :
		$('<div id="datepicker_div_' + this._id + '" class="datepicker_inline">'));
	// customise the date picker object - uses manager defaults if not overridden
	this._settings = extendRemove(settings || {}); // clone
	if (inline)
		this._setDate(this._getDefaultDate());
}

$.extend(DatepickerInstance.prototype, {
	/* Get a setting value, defaulting if necessary. */
	_get: function(name) {
		return this._settings[name] !== undefined ? this._settings[name] : $.datepicker._defaults[name];
	},

	/* Parse existing date and initialise date picker. */
	_setDateFromField: function(input) {
		this._input = $(input);
		var dateFormat = this._get('dateFormat');
		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 = $.datepicker.parseDate(dateFormat, dates[1], settings) || defaultDate;
				this._endDay = date.getDate();
				this._endMonth = date.getMonth();
				this._endYear = date.getFullYear();
			}
			try {
				date = $.datepicker.parseDate(dateFormat, dates[0], settings) || defaultDate;
			} catch (e) {
				$.datepicker.log(e);
				date = defaultDate;
			}
		}
		this._selectedDay = date.getDate();
		this._drawMonth = this._selectedMonth = date.getMonth();
		this._drawYear = this._selectedYear = date.getFullYear();
		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();
		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="datepicker_clear"><a onclick="jQuery.datepicker._clearDate(' + this._id + ');"' + 
			(showStatus ? this._addStatus(this._get('clearStatus') || '&#xa0;') : '') + '>' +
			this._get('clearText') + '</a></div>');
		var controls = '<div class="datepicker_control">' + (isRTL ? '' : clear) +
			'<div class="datepicker_close"><a onclick="jQuery.datepicker._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;
		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--;
				}
			}
		}
        var monthNames = this._get('monthNames');
		
		// controls and links
		var prev = '<div class="datepicker_prev">' + (this._canAdjustMonth(-1, drawYear, drawMonth) ? 
			'<a onclick="jQuery.datepicker._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="datepicker_next">' + (this._canAdjustMonth(+1, drawYear, drawMonth) ?
			'<a onclick="jQuery.datepicker._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="datepicker_prompt">' + prompt + '</div>' : '') +
			(closeAtTop && !this._inline ? controls : '') +
			'<div class="datepicker_links">' + (isRTL ? next : prev) +
			'<div class="datepicker_current"><a>' + monthNames[drawMonth] + (today.getFullYear() != drawYear ? ' ' + drawYear : '') + '</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);
				html += '<div class="datepicker_oneMonth' + (col == 0 ? ' datepicker_newRow' : '') + '">' +
					this._generateMonthYearHeader(drawMonth, drawYear, minDate, maxDate,
					selectedDate, row > 0 || col > 0) + // draw month headers
					'<table class="datepicker" cellpadding="0" cellspacing="0"><thead>' + 
					'<tr class="datepicker_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="datepicker_weekEndCellHeader"' : '') + '>' +
						(!changeFirstDay ? '<span' :
						'<a onclick="jQuery.datepicker._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 = 6; //force stable rows //(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') || $.datepicker.iso8601Week;
				var dateStatus = this._get('statusForDate') || $.datepicker.dateStatus;
				for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
					html += '<tr class="datepicker_daysRow">' +
						(showWeeks ? '<td class="datepicker_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="datepicker_daysCell' +
							((dow + firstDay + 6) % 7 >= 5 ? ' datepicker_weekEndCell' : '') + // highlight weekends
							(otherMonth ? ' datepicker_otherMonth' : '') + // highlight days from other months
							(printDate.getTime() == selectedDate.getTime() && drawMonth == this._selectedMonth ?
							' datepicker_daysCellOver' : '') + // highlight selected day
							(unselectable ? ' datepicker_unselectable' : '') +  // highlight unselectable days
							(otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates
							(printDate.getTime() >= currentDate.getTime() && printDate.getTime() <= endDate.getTime() ?  // in current range
							' datepicker_currentDay' : '') + // highlight selected day
							(printDate.getTime() == today.getTime() ? ' datepicker_today' : '')) + '"' + // highlight today (if different)
							(unselectable ? '' : ' onmouseover="jQuery(this).addClass(\'datepicker_daysCellOver\');' +
							(!showStatus || (otherMonth && !showOtherMonths) ? '' : 'jQuery(\'#datepicker_status_' +
							this._id + '\').html(\'' + (dateStatus.apply((this._input ? this._input[0] : null),
							[printDate, this]) || '&#xa0;') +'\');') + '"' +
							' onmouseout="jQuery(this).removeClass(\'datepicker_daysCellOver\');' +
							(!showStatus || (otherMonth && !showOtherMonths) ? '' : 'jQuery(\'#datepicker_status_' +
							this._id + '\').html(\'&#xa0;\');') + '" onclick="jQuery.datepicker._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 id="datepicker_bottom" style="clear: both;"></div><div id="datepicker_status_' + this._id + 
			'" class="datepicker_status">' + (this._get('initStatus') || '&#xa0;') + '</div>' : '') +
			(!closeAtTop && !this._inline ? controls : '') +
			'<div id="datepicker_bottom" style="clear: both;"></div>' + 
			($.browser.msie && parseInt($.browser.version) < 7 && !this._inline ? 
			'<iframe src="javascript:false;" class="datepicker_cover"></iframe>' : '');
		return html;
	},
	
	/* Generate the month and year header. */
	_generateMonthYearHeader: function(drawMonth, drawYear, minDate, maxDate, selectedDate, secondary) {
		minDate = (this._rangeStart && minDate && selectedDate < minDate ? selectedDate : minDate);
		var showStatus = this._get('showStatus');
		var html = '<div class="datepicker_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="datepicker_newMonth" ' +
				'onchange="jQuery.datepicker._selectMonthYear(' + this._id + ', this, \'M\');" ' +
				'onclick="jQuery.datepicker._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="datepicker_newYear" ' +
				'onchange="jQuery.datepicker._selectMonthYear(' + this._id + ', this, \'Y\');" ' +
				'onclick="jQuery.datepicker._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>';
		}
		html += '</div>'; // Close datepicker_header
		return html;
	},

	/* Provide code to set and clear the status panel. */
	_addStatus: function(text) {
		return ' onmouseover="jQuery(\'#datepicker_status_' + this._id + '\').html(\'' + text + '\');" ' +
			'onmouseout="jQuery(\'#datepicker_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 date = new Date(year, month, day);
		// 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();
	},
	
	/* 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. */
	_formatDate: function(day, month, year) {
		if (!day) {
			this._currentDay = this._selectedDay;
			this._currentMonth = this._selectedMonth;
			this._currentYear = this._selectedYear;
		}
		var date = (day ? (typeof day == 'object' ? day : new Date(year, month, day)) :
			new Date(this._currentYear, this._currentMonth, this._currentDay));
		return $.datepicker.formatDate(this._get('dateFormat'), 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 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){
	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
	
/* Initialise the date picker. */
$(document).ready(function() {
	$(document.body).append($.datepicker._datepickerDiv)
		.mousedown($.datepicker._checkExternalClick);
});

})(jQuery);

/*
 * jQuery UI Dialog 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/Dialog
 *
 * Depends:
 *	ui.core.js
 *	ui.draggable.js
 *	ui.resizable.js
 */
(function($) {

var setDataSwitch = {
		dragStart: "start.draggable",
		drag: "drag.draggable",
		dragStop: "stop.draggable",
		maxHeight: "maxHeight.resizable",
		minHeight: "minHeight.resizable",
		maxWidth: "maxWidth.resizable",
		minWidth: "minWidth.resizable",
		resizeStart: "start.resizable",
		resize: "drag.resizable",
		resizeStop: "stop.resizable"
	},
	
	uiDialogClasses =
		'ui-dialog ' +
		'ui-widget ' +
		'ui-widget-content ' +
		'ui-corner-all ';

$.widget("ui.dialog", {

	_init: function() {
		this.originalTitle = this.element.attr('title');

		var self = this,
			options = this.options,

			title = options.title || this.originalTitle || '&nbsp;',
			titleId = $.ui.dialog.getTitleId(this.element),

			uiDialog = (this.uiDialog = $('<div/>'))
				.appendTo(document.body)
				.hide()
				.addClass(uiDialogClasses + options.dialogClass)
				.css({
					position: 'absolute',
					overflow: 'hidden',
					zIndex: options.zIndex
				})
				// setting tabIndex makes the div focusable
				// setting outline to 0 prevents a border on focus in Mozilla
				.attr('tabIndex', -1).css('outline', 0).keydown(function(event) {
					(options.closeOnEscape && event.keyCode
						&& event.keyCode == $.ui.keyCode.ESCAPE && self.close(event));
				})
				.attr({
					role: 'dialog',
					'aria-labelledby': titleId
				})
				.mousedown(function(event) {
					self.moveToTop(false, event);
				}),

			uiDialogContent = this.element
				.show()
				.removeAttr('title')
				.addClass(
					'ui-dialog-content ' +
					'ui-widget-content')
				.appendTo(uiDialog),

			uiDialogTitlebar = (this.uiDialogTitlebar = $('<div></div>'))
				.addClass(
					'ui-dialog-titlebar ' +
					'ui-widget-header ' +
					'ui-corner-all ' +
					'ui-helper-clearfix'
				)
				.prependTo(uiDialog),

			uiDialogTitlebarClose = $('<a href="#"/>')
				.addClass(
					'ui-dialog-titlebar-close ' +
					'ui-corner-all'
				)
				.attr('role', 'button')
				.hover(
					function() {
						uiDialogTitlebarClose.addClass('ui-state-hover');
					},
					function() {
						uiDialogTitlebarClose.removeClass('ui-state-hover');
					}
				)
				.focus(function() {
					uiDialogTitlebarClose.addClass('ui-state-focus');
				})
				.blur(function() {
					uiDialogTitlebarClose.removeClass('ui-state-focus');
				})
				.mousedown(function(ev) {
					ev.stopPropagation();
				})
				.click(function(event) {
					self.close(event);
					return false;
				})
				.appendTo(uiDialogTitlebar),

			uiDialogTitlebarCloseText = (this.uiDialogTitlebarCloseText = $('<span/>'))
				.addClass(
					'ui-icon ' +
					'ui-icon-closethick'
				)
				.text(options.closeText)
				.appendTo(uiDialogTitlebarClose),

			uiDialogTitle = $('<span/>')
				.addClass('ui-dialog-title')
				.attr('id', titleId)
				.html(title)
				.prependTo(uiDialogTitlebar);

		uiDialogTitlebar.find("*").add(uiDialogTitlebar).disableSelection();

		(options.draggable && $.fn.draggable && this._makeDraggable());
		(options.resizable && $.fn.resizable && this._makeResizable());

		this._createButtons(options.buttons);
		this._isOpen = false;

		(options.bgiframe && $.fn.bgiframe && uiDialog.bgiframe());
		(options.autoOpen && this.open());
		
	},

	destroy: function() {
		(this.overlay && this.overlay.destroy());
		this.uiDialog.hide();
		this.element
			.unbind('.dialog')
			.removeData('dialog')
			.removeClass('ui-dialog-content ui-widget-content')
			.hide().appendTo('body');
		this.uiDialog.remove();

		(this.originalTitle && this.element.attr('title', this.originalTitle));
	},

	close: function(event) {
		var self = this;
		
		if (false === self._trigger('beforeclose', event)) {
			return;
		}

		(self.overlay && self.overlay.destroy());
		self.uiDialog.unbind('keypress.ui-dialog');

		(self.options.hide
			? self.uiDialog.hide(self.options.hide, function() {
				self._trigger('close', event);
			})
			: self.uiDialog.hide() && self._trigger('close', event));

		$.ui.dialog.overlay.resize();

		self._isOpen = false;
	},

	isOpen: function() {
		return this._isOpen;
	},

	// the force parameter allows us to move modal dialogs to their correct
	// position on open
	moveToTop: function(force, event) {

		if ((this.options.modal && !force)
			|| (!this.options.stack && !this.options.modal)) {
			return this._trigger('focus', event);
		}
		
		if (this.options.zIndex > $.ui.dialog.maxZ) {
			$.ui.dialog.maxZ = this.options.zIndex;
		}
		(this.overlay && this.overlay.$el.css('z-index', $.ui.dialog.overlay.maxZ = ++$.ui.dialog.maxZ));

		//Save and then restore scroll since Opera 9.5+ resets when parent z-Index is changed.
		//  http://ui.jquery.com/bugs/ticket/3193
		var saveScroll = { scrollTop: this.element.attr('scrollTop'), scrollLeft: this.element.attr('scrollLeft') };
		this.uiDialog.css('z-index', ++$.ui.dialog.maxZ);
		this.element.attr(saveScroll);
		this._trigger('focus', event);
	},

	open: function() {
		if (this._isOpen) { return; }

		var options = this.options,
			uiDialog = this.uiDialog;

		this.overlay = options.modal ? new $.ui.dialog.overlay(this) : null;
		(uiDialog.next().length && uiDialog.appendTo('body'));
		this._size();
		this._position(options.position);
		uiDialog.show(options.show);
		this.moveToTop(true);

		// prevent tabbing out of modal dialogs
		(options.modal && uiDialog.bind('keypress.ui-dialog', function(event) {
			if (event.keyCode != $.ui.keyCode.TAB) {
				return;
			}

			var tabbables = $(':tabbable', this),
				first = tabbables.filter(':first')[0],
				last  = tabbables.filter(':last')[0];

			if (event.target == last && !event.shiftKey) {
				setTimeout(function() {
					first.focus();
				}, 1);
			} else if (event.target == first && event.shiftKey) {
				setTimeout(function() {
					last.focus();
				}, 1);
			}
		}));

		// set focus to the first tabbable element in the content area or the first button
		// if there are no tabbable elements, set focus on the dialog itself
		$([])
			.add(uiDialog.find('.ui-dialog-content :tabbable:first'))
			.add(uiDialog.find('.ui-dialog-buttonpane :tabbable:first'))
			.add(uiDialog)
			.filter(':first')
			.focus();

		this._trigger('open');
		this._isOpen = true;
	},

	_createButtons: function(buttons) {
		var self = this,
			hasButtons = false,
			uiDialogButtonPane = $('<div></div>')
				.addClass(
					'ui-dialog-buttonpane ' +
					'ui-widget-content ' +
					'ui-helper-clearfix'
				);

		// if we already have a button pane, remove it
		this.uiDialog.find('.ui-dialog-buttonpane').remove();

		(typeof buttons == 'object' && buttons !== null &&
			$.each(buttons, function() { return !(hasButtons = true); }));
		if (hasButtons) {
			$.each(buttons, function(name, fn) {
				$('<button type="button"></button>')
					.addClass(
						'ui-state-default ' +
						'ui-corner-all'
					)
					.text(name)
					.click(function() { fn.apply(self.element[0], arguments); })
					.hover(
						function() {
							$(this).addClass('ui-state-hover');
						},
						function() {
							$(this).removeClass('ui-state-hover');
						}
					)
					.focus(function() {
						$(this).addClass('ui-state-focus');
					})
					.blur(function() {
						$(this).removeClass('ui-state-focus');
					})
					.appendTo(uiDialogButtonPane);
			});
			uiDialogButtonPane.appendTo(this.uiDialog);
		}
	},

	_makeDraggable: function() {
		var self = this,
			options = this.options,
			heightBeforeDrag;

		this.uiDialog.draggable({
			cancel: '.ui-dialog-content',
			handle: '.ui-dialog-titlebar',
			containment: 'document',
			start: function() {
				heightBeforeDrag = options.height;
				$(this).height($(this).height()).addClass("ui-dialog-dragging");
				(options.dragStart && options.dragStart.apply(self.element[0], arguments));
			},
			drag: function() {
				(options.drag && options.drag.apply(self.element[0], arguments));
			},
			stop: function() {
				$(this).removeClass("ui-dialog-dragging").height(heightBeforeDrag);
				(options.dragStop && options.dragStop.apply(self.element[0], arguments));
				$.ui.dialog.overlay.resize();
			}
		});
	},

	_makeResizable: function(handles) {
		handles = (handles === undefined ? this.options.resizable : handles);
		var self = this,
			options = this.options,
			resizeHandles = typeof handles == 'string'
				? handles
				: 'n,e,s,w,se,sw,ne,nw';

		this.uiDialog.resizable({
			cancel: '.ui-dialog-content',
			alsoResize: this.element,
			maxWidth: options.maxWidth,
			maxHeight: options.maxHeight,
			minWidth: options.minWidth,
			minHeight: options.minHeight,
			start: function() {
				$(this).addClass("ui-dialog-resizing");
				(options.resizeStart && options.resizeStart.apply(self.element[0], arguments));
			},
			resize: function() {
				(options.resize && options.resize.apply(self.element[0], arguments));
			},
			handles: resizeHandles,
			stop: function() {
				$(this).removeClass("ui-dialog-resizing");
				options.height = $(this).height();
				options.width = $(this).width();
				(options.resizeStop && options.resizeStop.apply(self.element[0], arguments));
				$.ui.dialog.overlay.resize();
			}
		})
		.find('.ui-resizable-se').addClass('ui-icon ui-icon-grip-diagonal-se');
	},

	_position: function(pos) {
		var wnd = $(window), doc = $(document),
			pTop = doc.scrollTop(), pLeft = doc.scrollLeft(),
			minTop = pTop;

		if ($.inArray(pos, ['center','top','right','bottom','left']) >= 0) {
			pos = [
				pos == 'right' || pos == 'left' ? pos : 'center',
				pos == 'top' || pos == 'bottom' ? pos : 'middle'
			];
		}
		if (pos.constructor != Array) {
			pos = ['center', 'middle'];
		}
		if (pos[0].constructor == Number) {
			pLeft += pos[0];
		} else {
			switch (pos[0]) {
				case 'left':
					pLeft += 0;
					break;
				case 'right':
					pLeft += wnd.width() - this.uiDialog.outerWidth();
					break;
				default:
				case 'center':
					pLeft += (wnd.width() - this.uiDialog.outerWidth()) / 2;
			}
		}
		if (pos[1].constructor == Number) {
			pTop += pos[1];
		} else {
			switch (pos[1]) {
				case 'top':
					pTop += 0;
					break;
				case 'bottom':
					pTop += wnd.height() - this.uiDialog.outerHeight();
					break;
				default:
				case 'middle':
					pTop += (wnd.height() - this.uiDialog.outerHeight()) / 2;
			}
		}

		// prevent the dialog from being too high (make sure the titlebar
		// is accessible)
		pTop = Math.max(pTop, minTop);
		this.uiDialog.css({top: pTop, left: pLeft});
	},

	_setData: function(key, value){
		(setDataSwitch[key] && this.uiDialog.data(setDataSwitch[key], value));
		switch (key) {
			case "buttons":
				this._createButtons(value);
				break;
			case "closeText":
				this.uiDialogTitlebarCloseText.text(value);
				break;
			case "dialogClass":
				this.uiDialog
					.removeClass(this.options.dialogClass)
					.addClass(uiDialogClasses + value);
				break;
			case "draggable":
				(value
					? this._makeDraggable()
					: this.uiDialog.draggable('destroy'));
				break;
			case "height":
				this.uiDialog.height(value);
				break;
			case "position":
				this._position(value);
				break;
			case "resizable":
				var uiDialog = this.uiDialog,
					isResizable = this.uiDialog.is(':data(resizable)');

				// currently resizable, becoming non-resizable
				(isResizable && !value && uiDialog.resizable('destroy'));

				// currently resizable, changing handles
				(isResizable && typeof value == 'string' &&
					uiDialog.resizable('option', 'handles', value));

				// currently non-resizable, becoming resizable
				(isResizable || this._makeResizable(value));
				break;
			case "title":
				$(".ui-dialog-title", this.uiDialogTitlebar).html(value || '&nbsp;');
				break;
			case "width":
				this.uiDialog.width(value);
				break;
		}

		$.widget.prototype._setData.apply(this, arguments);
	},

	_size: function() {
		/* If the user has resized the dialog, the .ui-dialog and .ui-dialog-content
		 * divs will both have width and height set, so we need to reset them
		 */
		var options = this.options;

		// reset content sizing
		this.element.css({
			height: 0,
			minHeight: 0,
			width: 'auto'
		});

		// reset wrapper sizing
		// determine the height of all the non-content elements
		var nonContentHeight = this.uiDialog.css({
				height: 'auto',
				width: options.width
			})
			.height();

		this.element
			.css({
				minHeight: Math.max(options.minHeight - nonContentHeight, 0),
				height: options.height == 'auto'
					? 'auto'
					: Math.max(options.height - nonContentHeight, 0)
			});
	}
});

$.extend($.ui.dialog, {
	version: "1.7.1",
	defaults: {
		autoOpen: true,
		bgiframe: false,
		buttons: {},
		closeOnEscape: true,
		closeText: 'close',
		dialogClass: '',
		draggable: true,
		hide: null,
		height: 'auto',
		maxHeight: false,
		maxWidth: false,
		minHeight: 150,
		minWidth: 150,
		modal: false,
		position: 'center',
		resizable: true,
		show: null,
		stack: true,
		title: '',
		width: 300,
		zIndex: 1000
	},

	getter: 'isOpen',

	uuid: 0,
	maxZ: 0,

	getTitleId: function($el) {
		return 'ui-dialog-title-' + ($el.attr('id') || ++this.uuid);
	},

	overlay: function(dialog) {
		this.$el = $.ui.dialog.overlay.create(dialog);
	}
});

$.extend($.ui.dialog.overlay, {
	instances: [],
	maxZ: 0,
	events: $.map('focus,mousedown,mouseup,keydown,keypress,click'.split(','),
		function(event) { return event + '.dialog-overlay'; }).join(' '),
	create: function(dialog) {
		if (this.instances.length === 0) {
			// prevent use of anchors and inputs
			// we use a setTimeout in case the overlay is created from an
			// event that we're going to be cancelling (see #2804)
			setTimeout(function() {
				$(document).bind($.ui.dialog.overlay.events, function(event) {
					var dialogZ = $(event.target).parents('.ui-dialog').css('zIndex') || 0;
					return (dialogZ > $.ui.dialog.overlay.maxZ);
				});
			}, 1);

			// allow closing by pressing the escape key
			$(document).bind('keydown.dialog-overlay', function(event) {
				(dialog.options.closeOnEscape && event.keyCode
						&& event.keyCode == $.ui.keyCode.ESCAPE && dialog.close(event));
			});

			// handle window resize
			$(window).bind('resize.dialog-overlay', $.ui.dialog.overlay.resize);
		}

		var $el = $('<div></div>').appendTo(document.body)
			.addClass('ui-widget-overlay').css({
				width: this.width(),
				height: this.height()
			});

		(dialog.options.bgiframe && $.fn.bgiframe && $el.bgiframe());

		this.instances.push($el);
		return $el;
	},

	destroy: function($el) {
		this.instances.splice($.inArray(this.instances, $el), 1);

		if (this.instances.length === 0) {
			$([document, window]).unbind('.dialog-overlay');
		}

		$el.remove();
	},

	height: function() {
		// handle IE 6
		if ($.browser.msie && $.browser.version < 7) {
			var scrollHeight = Math.max(
				document.documentElement.scrollHeight,
				document.body.scrollHeight
			);
			var offsetHeight = Math.max(
				document.documentElement.offsetHeight,
				document.body.offsetHeight
			);

			if (scrollHeight < offsetHeight) {
				return $(window).height() + 'px';
			} else {
				return scrollHeight + 'px';
			}
		// handle "good" browsers
		} else {
			return $(document).height() + 'px';
		}
	},

	width: function() {
		// handle IE 6
		if ($.browser.msie && $.browser.version < 7) {
			var scrollWidth = Math.max(
				document.documentElement.scrollWidth,
				document.body.scrollWidth
			);
			var offsetWidth = Math.max(
				document.documentElement.offsetWidth,
				document.body.offsetWidth
			);

			if (scrollWidth < offsetWidth) {
				return $(window).width() + 'px';
			} else {
				return scrollWidth + 'px';
			}
		// handle "good" browsers
		} else {
			return $(document).width() + 'px';
		}
	},

	resize: function() {
		/* If the dialog is draggable and the user drags it past the
		 * right edge of the window, the document becomes wider so we
		 * need to stretch the overlay. If the user then drags the
		 * dialog back to the left, the document will become narrower,
		 * so we need to shrink the overlay to the appropriate size.
		 * This is handled by shrinking the overlay before setting it
		 * to the full document size.
		 */
		var $overlays = $([]);
		$.each($.ui.dialog.overlay.instances, function() {
			$overlays = $overlays.add(this);
		});

		$overlays.css({
			width: 0,
			height: 0
		}).css({
			width: $.ui.dialog.overlay.width(),
			height: $.ui.dialog.overlay.height()
		});
	}
});

$.extend($.ui.dialog.overlay.prototype, {
	destroy: function() {
		$.ui.dialog.overlay.destroy(this.$el);
	}
});

})(jQuery);

/*
 * jQuery UI Draggable 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/Draggables
 *
 * Depends:
 *	ui.core.js
 */
(function($) {

$.widget("ui.draggable", $.extend({}, $.ui.mouse, {

	_init: function() {

		if (this.options.helper == 'original' && !(/^(?:r|a|f)/).test(this.element.css("position")))
			this.element[0].style.position = 'relative';

		(this.options.addClasses && this.element.addClass("ui-draggable"));
		(this.options.disabled && this.element.addClass("ui-draggable-disabled"));

		this._mouseInit();

	},

	destroy: function() {
		if(!this.element.data('draggable')) return;
		this.element
			.removeData("draggable")
			.unbind(".draggable")
			.removeClass("ui-draggable"
				+ " ui-draggable-dragging"
				+ " ui-draggable-disabled");
		this._mouseDestroy();
	},

	_mouseCapture: function(event) {

		var o = this.options;

		if (this.helper || o.disabled || $(event.target).is('.ui-resizable-handle'))
			return false;

		//Quit if we're not on a valid handle
		this.handle = this._getHandle(event);
		if (!this.handle)
			return false;

		return true;

	},

	_mouseStart: function(event) {

		var o = this.options;

		//Create and append the visible helper
		this.helper = this._createHelper(event);

		//Cache the helper size
		this._cacheHelperProportions();

		//If ddmanager is used for droppables, set the global draggable
		if($.ui.ddmanager)
			$.ui.ddmanager.current = this;

		/*
		 * - Position generation -
		 * This block generates everything position related - it's the core of draggables.
		 */

		//Cache the margins of the original element
		this._cacheMargins();

		//Store the helper's css position
		this.cssPosition = this.helper.css("position");
		this.scrollParent = this.helper.scrollParent();

		//The element's absolute position on the page minus margins
		this.offset = this.element.offset();
		this.offset = {
			top: this.offset.top - this.margins.top,
			left: this.offset.left - this.margins.left
		};

		$.extend(this.offset, {
			click: { //Where the click happened, relative to the element
				left: event.pageX - this.offset.left,
				top: event.pageY - this.offset.top
			},
			parent: this._getParentOffset(),
			relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
		});

		//Generate the original position
		this.originalPosition = this._generatePosition(event);
		this.originalPageX = event.pageX;
		this.originalPageY = event.pageY;

		//Adjust the mouse offset relative to the helper if 'cursorAt' is supplied
		if(o.cursorAt)
			this._adjustOffsetFromHelper(o.cursorAt);

		//Set a containment if given in the options
		if(o.containment)
			this._setContainment();

		//Call plugins and callbacks
		this._trigger("start", event);

		//Recache the helper size
		this._cacheHelperProportions();

		//Prepare the droppable offsets
		if ($.ui.ddmanager && !o.dropBehaviour)
			$.ui.ddmanager.prepareOffsets(this, event);

		this.helper.addClass("ui-draggable-dragging");
		this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position
		return true;
	},

	_mouseDrag: function(event, noPropagation) {

		//Compute the helpers position
		this.position = this._generatePosition(event);
		this.positionAbs = this._convertPositionTo("absolute");

		//Call plugins and callbacks and use the resulting position if something is returned
		if (!noPropagation) {
			var ui = this._uiHash();
			this._trigger('drag', event, ui);
			this.position = ui.position;
		}

		if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px';
		if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px';
		if($.ui.ddmanager) $.ui.ddmanager.drag(this, event);

		return false;
	},

	_mouseStop: function(event) {

		//If we are using droppables, inform the manager about the drop
		var dropped = false;
		if ($.ui.ddmanager && !this.options.dropBehaviour)
			dropped = $.ui.ddmanager.drop(this, event);

		//if a drop comes from outside (a sortable)
		if(this.dropped) {
			dropped = this.dropped;
			this.dropped = false;
		}

		if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) {
			var self = this;
			$(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() {
				self._trigger("stop", event);
				self._clear();
			});
		} else {
			this._trigger("stop", event);
			this._clear();
		}

		return false;
	},

	_getHandle: function(event) {

		var handle = !this.options.handle || !$(this.options.handle, this.element).length ? true : false;
		$(this.options.handle, this.element)
			.find("*")
			.andSelf()
			.each(function() {
				if(this == event.target) handle = true;
			});

		return handle;

	},

	_createHelper: function(event) {

		var o = this.options;
		var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event])) : (o.helper == 'clone' ? this.element.clone() : this.element);

		if(!helper.parents('body').length)
			helper.appendTo((o.appendTo == 'parent' ? this.element[0].parentNode : o.appendTo));

		if(helper[0] != this.element[0] && !(/(fixed|absolute)/).test(helper.css("position")))
			helper.css("position", "absolute");

		return helper;

	},

	_adjustOffsetFromHelper: function(obj) {
		if(obj.left != undefined) this.offset.click.left = obj.left + this.margins.left;
		if(obj.right != undefined) this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
		if(obj.top != undefined) this.offset.click.top = obj.top + this.margins.top;
		if(obj.bottom != undefined) this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
	},

	_getParentOffset: function() {

		//Get the offsetParent and cache its position
		this.offsetParent = this.helper.offsetParent();
		var po = this.offsetParent.offset();

		// This is a special case where we need to modify a offset calculated on start, since the following happened:
		// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent
		// 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that
		//    the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag
		if(this.cssPosition == 'absolute' && this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) {
			po.left += this.scrollParent.scrollLeft();
			po.top += this.scrollParent.scrollTop();
		}

		if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information
		|| (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) //Ugly IE fix
			po = { top: 0, left: 0 };

		return {
			top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
			left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
		};

	},

	_getRelativeOffset: function() {

		if(this.cssPosition == "relative") {
			var p = this.element.position();
			return {
				top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(),
				left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft()
			};
		} else {
			return { top: 0, left: 0 };
		}

	},

	_cacheMargins: function() {
		this.margins = {
			left: (parseInt(this.element.css("marginLeft"),10) || 0),
			top: (parseInt(this.element.css("marginTop"),10) || 0)
		};
	},

	_cacheHelperProportions: function() {
		this.helperProportions = {
			width: this.helper.outerWidth(),
			height: this.helper.outerHeight()
		};
	},

	_setContainment: function() {

		var o = this.options;
		if(o.containment == 'parent') o.containment = this.helper[0].parentNode;
		if(o.containment == 'document' || o.containment == 'window') this.containment = [
			0 - this.offset.relative.left - this.offset.parent.left,
			0 - this.offset.relative.top - this.offset.parent.top,
			$(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left,
			($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top
		];

		if(!(/^(document|window|parent)$/).test(o.containment) && o.containment.constructor != Array) {
			var ce = $(o.containment)[0]; if(!ce) return;
			var co = $(o.containment).offset();
			var over = ($(ce).css("overflow") != 'hidden');

			this.containment = [
				co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left,
				co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top,
				co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left,
				co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top
			];
		} else if(o.containment.constructor == Array) {
			this.containment = o.containment;
		}

	},

	_convertPositionTo: function(d, pos) {

		if(!pos) pos = this.position;
		var mod = d == "absolute" ? 1 : -1;
		var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);

		return {
			top: (
				pos.top																	// The absolute mouse position
				+ this.offset.relative.top * mod										// Only for relative positioned nodes: Relative offset from element to offset parent
				+ this.offset.parent.top * mod											// The offsetParent's offset without borders (offset + border)
				- ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
			),
			left: (
				pos.left																// The absolute mouse position
				+ this.offset.relative.left * mod										// Only for relative positioned nodes: Relative offset from element to offset parent
				+ this.offset.parent.left * mod											// The offsetParent's offset without borders (offset + border)
				- ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
			)
		};

	},

	_generatePosition: function(event) {

		var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName);

		// This is another very weird special case that only happens for relative elements:
		// 1. If the css position is relative
		// 2. and the scroll parent is the document or similar to the offset parent
		// we have to refresh the relative offset during the scroll so there are no jumps
		if(this.cssPosition == 'relative' && !(this.scrollParent[0] != document && this.scrollParent[0] != this.offsetParent[0])) {
			this.offset.relative = this._getRelativeOffset();
		}

		var pageX = event.pageX;
		var pageY = event.pageY;

		/*
		 * - Position constraining -
		 * Constrain the position to a mix of grid, containment.
		 */

		if(this.originalPosition) { //If we are not dragging yet, we won't check for options

			if(this.containment) {
				if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left;
				if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top;
				if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left;
				if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top;
			}

			if(o.grid) {
				var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
				pageY = this.containment ? (!(top - this.offset.click.top < this.containment[1] || top - this.offset.click.top > this.containment[3]) ? top : (!(top - this.offset.click.top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;

				var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
				pageX = this.containment ? (!(left - this.offset.click.left < this.containment[0] || left - this.offset.click.left > this.containment[2]) ? left : (!(left - this.offset.click.left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
			}

		}

		return {
			top: (
				pageY																// The absolute mouse position
				- this.offset.click.top													// Click offset (relative to the element)
				- this.offset.relative.top												// Only for relative positioned nodes: Relative offset from element to offset parent
				- this.offset.parent.top												// The offsetParent's offset without borders (offset + border)
				+ ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
			),
			left: (
				pageX																// The absolute mouse position
				- this.offset.click.left												// Click offset (relative to the element)
				- this.offset.relative.left												// Only for relative positioned nodes: Relative offset from element to offset parent
				- this.offset.parent.left												// The offsetParent's offset without borders (offset + border)
				+ ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
			)
		};

	},

	_clear: function() {
		this.helper.removeClass("ui-draggable-dragging");
		if(this.helper[0] != this.element[0] && !this.cancelHelperRemoval) this.helper.remove();
		//if($.ui.ddmanager) $.ui.ddmanager.current = null;
		this.helper = null;
		this.cancelHelperRemoval = false;
	},

	// From now on bulk stuff - mainly helpers

	_trigger: function(type, event, ui) {
		ui = ui || this._uiHash();
		$.ui.plugin.call(this, type, [event, ui]);
		if(type == "drag") this.positionAbs = this._convertPositionTo("absolute"); //The absolute position has to be recalculated after plugins
		return $.widget.prototype._trigger.call(this, type, event, ui);
	},

	plugins: {},

	_uiHash: function(event) {
		return {
			helper: this.helper,
			position: this.position,
			absolutePosition: this.positionAbs, //deprecated
			offset: this.positionAbs
		};
	}

}));

$.extend($.ui.draggable, {
	version: "1.7.1",
	eventPrefix: "drag",
	defaults: {
		addClasses: true,
		appendTo: "parent",
		axis: false,
		cancel: ":input,option",
		connectToSortable: false,
		containment: false,
		cursor: "auto",
		cursorAt: false,
		delay: 0,
		distance: 1,
		grid: false,
		handle: false,
		helper: "original",
		iframeFix: false,
		opacity: false,
		refreshPositions: false,
		revert: false,
		revertDuration: 500,
		scope: "default",
		scroll: true,
		scrollSensitivity: 20,
		scrollSpeed: 20,
		snap: false,
		snapMode: "both",
		snapTolerance: 20,
		stack: false,
		zIndex: false
	}
});

$.ui.plugin.add("draggable", "connectToSortable", {
	start: function(event, ui) {

		var inst = $(this).data("draggable"), o = inst.options,
			uiSortable = $.extend({}, ui, { item: inst.element });
		inst.sortables = [];
		$(o.connectToSortable).each(function() {
			var sortable = $.data(this, 'sortable');
			if (sortable && !sortable.options.disabled) {
				inst.sortables.push({
					instance: sortable,
					shouldRevert: sortable.options.revert
				});
				sortable._refreshItems();	//Do a one-time refresh at start to refresh the containerCache
				sortable._trigger("activate", event, uiSortable);
			}
		});

	},
	stop: function(event, ui) {

		//If we are still over the sortable, we fake the stop event of the sortable, but also remove helper
		var inst = $(this).data("draggable"),
			uiSortable = $.extend({}, ui, { item: inst.element });

		$.each(inst.sortables, function() {
			if(this.instance.isOver) {

				this.instance.isOver = 0;

				inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance
				this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work)

				//The sortable revert is supported, and we have to set a temporary dropped variable on the draggable to support revert: 'valid/invalid'
				if(this.shouldRevert) this.instance.options.revert = true;

				//Trigger the stop of the sortable
				this.instance._mouseStop(event);

				this.instance.options.helper = this.instance.options._helper;

				//If the helper has been the original item, restore properties in the sortable
				if(inst.options.helper == 'original')
					this.instance.currentItem.css({ top: 'auto', left: 'auto' });

			} else {
				this.instance.cancelHelperRemoval = false; //Remove the helper in the sortable instance
				this.instance._trigger("deactivate", event, uiSortable);
			}

		});

	},
	drag: function(event, ui) {

		var inst = $(this).data("draggable"), self = this;

		var checkPos = function(o) {
			var dyClick = this.offset.click.top, dxClick = this.offset.click.left;
			var helperTop = this.positionAbs.top, helperLeft = this.positionAbs.left;
			var itemHeight = o.height, itemWidth = o.width;
			var itemTop = o.top, itemLeft = o.left;

			return $.ui.isOver(helperTop + dyClick, helperLeft + dxClick, itemTop, itemLeft, itemHeight, itemWidth);
		};

		$.each(inst.sortables, function(i) {
			
			//Copy over some variables to allow calling the sortable's native _intersectsWith
			this.instance.positionAbs = inst.positionAbs;
			this.instance.helperProportions = inst.helperProportions;
			this.instance.offset.click = inst.offset.click;
			
			if(this.instance._intersectsWith(this.instance.containerCache)) {

				//If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once
				if(!this.instance.isOver) {

					this.instance.isOver = 1;
					//Now we fake the start of dragging for the sortable instance,
					//by cloning the list group item, appending it to the sortable and using it as inst.currentItem
					//We can then fire the start event of the sortable with our passed browser event, and our own helper (so it doesn't create a new one)
					this.instance.currentItem = $(self).clone().appendTo(this.instance.element).data("sortable-item", true);
					this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it
					this.instance.options.helper = function() { return ui.helper[0]; };

					event.target = this.instance.currentItem[0];
					this.instance._mouseCapture(event, true);
					this.instance._mouseStart(event, true, true);

					//Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes
					this.instance.offset.click.top = inst.offset.click.top;
					this.instance.offset.click.left = inst.offset.click.left;
					this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left;
					this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top;

					inst._trigger("toSortable", event);
					inst.dropped = this.instance.element; //draggable revert needs that
					//hack so receive/update callbacks work (mostly)
					inst.currentItem = inst.element;
					this.instance.fromOutside = inst;

				}

				//Provided we did all the previous steps, we can fire the drag event of the sortable on every draggable drag, when it intersects with the sortable
				if(this.instance.currentItem) this.instance._mouseDrag(event);

			} else {

				//If it doesn't intersect with the sortable, and it intersected before,
				//we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval
				if(this.instance.isOver) {

					this.instance.isOver = 0;
					this.instance.cancelHelperRemoval = true;
					
					//Prevent reverting on this forced stop
					this.instance.options.revert = false;
					
					// The out event needs to be triggered independently
					this.instance._trigger('out', event, this.instance._uiHash(this.instance));
					
					this.instance._mouseStop(event, true);
					this.instance.options.helper = this.instance.options._helper;

					//Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size
					this.instance.currentItem.remove();
					if(this.instance.placeholder) this.instance.placeholder.remove();

					inst._trigger("fromSortable", event);
					inst.dropped = false; //draggable revert needs that
				}

			};

		});

	}
});

$.ui.plugin.add("draggable", "cursor", {
	start: function(event, ui) {
		var t = $('body'), o = $(this).data('draggable').options;
		if (t.css("cursor")) o._cursor = t.css("cursor");
		t.css("cursor", o.cursor);
	},
	stop: function(event, ui) {
		var o = $(this).data('draggable').options;
		if (o._cursor) $('body').css("cursor", o._cursor);
	}
});

$.ui.plugin.add("draggable", "iframeFix", {
	start: function(event, ui) {
		var o = $(this).data('draggable').options;
		$(o.iframeFix === true ? "iframe" : o.iframeFix).each(function() {
			$('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>')
			.css({
				width: this.offsetWidth+"px", height: this.offsetHeight+"px",
				position: "absolute", opacity: "0.001", zIndex: 1000
			})
			.css($(this).offset())
			.appendTo("body");
		});
	},
	stop: function(event, ui) {
		$("div.ui-draggable-iframeFix").each(function() { this.parentNode.removeChild(this); }); //Remove frame helpers
	}
});

$.ui.plugin.add("draggable", "opacity", {
	start: function(event, ui) {
		var t = $(ui.helper), o = $(this).data('draggable').options;
		if(t.css("opacity")) o._opacity = t.css("opacity");
		t.css('opacity', o.opacity);
	},
	stop: function(event, ui) {
		var o = $(this).data('draggable').options;
		if(o._opacity) $(ui.helper).css('opacity', o._opacity);
	}
});

$.ui.plugin.add("draggable", "scroll", {
	start: function(event, ui) {
		var i = $(this).data("draggable");
		if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') i.overflowOffset = i.scrollParent.offset();
	},
	drag: function(event, ui) {

		var i = $(this).data("draggable"), o = i.options, scrolled = false;

		if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') {

			if(!o.axis || o.axis != 'x') {
				if((i.overflowOffset.top + i.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity)
					i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop + o.scrollSpeed;
				else if(event.pageY - i.overflowOffset.top < o.scrollSensitivity)
					i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop - o.scrollSpeed;
			}

			if(!o.axis || o.axis != 'y') {
				if((i.overflowOffset.left + i.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity)
					i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft + o.scrollSpeed;
				else if(event.pageX - i.overflowOffset.left < o.scrollSensitivity)
					i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft - o.scrollSpeed;
			}

		} else {

			if(!o.axis || o.axis != 'x') {
				if(event.pageY - $(document).scrollTop() < o.scrollSensitivity)
					scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
				else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity)
					scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
			}

			if(!o.axis || o.axis != 'y') {
				if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity)
					scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
				else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
					scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
			}

		}

		if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour)
			$.ui.ddmanager.prepareOffsets(i, event);

	}
});

$.ui.plugin.add("draggable", "snap", {
	start: function(event, ui) {

		var i = $(this).data("draggable"), o = i.options;
		i.snapElements = [];

		$(o.snap.constructor != String ? ( o.snap.items || ':data(draggable)' ) : o.snap).each(function() {
			var $t = $(this); var $o = $t.offset();
			if(this != i.element[0]) i.snapElements.push({
				item: this,
				width: $t.outerWidth(), height: $t.outerHeight(),
				top: $o.top, left: $o.left
			});
		});

	},
	drag: function(event, ui) {

		var inst = $(this).data("draggable"), o = inst.options;
		var d = o.snapTolerance;

		var x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width,
			y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height;

		for (var i = inst.snapElements.length - 1; i >= 0; i--){

			var l = inst.snapElements[i].left, r = l + inst.snapElements[i].width,
				t = inst.snapElements[i].top, b = t + inst.snapElements[i].height;

			//Yes, I know, this is insane ;)
			if(!((l-d < x1 && x1 < r+d && t-d < y1 && y1 < b+d) || (l-d < x1 && x1 < r+d && t-d < y2 && y2 < b+d) || (l-d < x2 && x2 < r+d && t-d < y1 && y1 < b+d) || (l-d < x2 && x2 < r+d && t-d < y2 && y2 < b+d))) {
				if(inst.snapElements[i].snapping) (inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
				inst.snapElements[i].snapping = false;
				continue;
			}

			if(o.snapMode != 'inner') {
				var ts = Math.abs(t - y2) <= d;
				var bs = Math.abs(b - y1) <= d;
				var ls = Math.abs(l - x2) <= d;
				var rs = Math.abs(r - x1) <= d;
				if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top - inst.margins.top;
				if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top - inst.margins.top;
				if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left - inst.margins.left;
				if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left - inst.margins.left;
			}

			var first = (ts || bs || ls || rs);

			if(o.snapMode != 'outer') {
				var ts = Math.abs(t - y1) <= d;
				var bs = Math.abs(b - y2) <= d;
				var ls = Math.abs(l - x1) <= d;
				var rs = Math.abs(r - x2) <= d;
				if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top - inst.margins.top;
				if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top - inst.margins.top;
				if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left - inst.margins.left;
				if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left - inst.margins.left;
			}

			if(!inst.snapElements[i].snapping && (ts || bs || ls || rs || first))
				(inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item })));
			inst.snapElements[i].snapping = (ts || bs || ls || rs || first);

		};

	}
});

$.ui.plugin.add("draggable", "stack", {
	start: function(event, ui) {

		var o = $(this).data("draggable").options;

		var group = $.makeArray($(o.stack.group)).sort(function(a,b) {
			return (parseInt($(a).css("zIndex"),10) || o.stack.min) - (parseInt($(b).css("zIndex"),10) || o.stack.min);
		});

		$(group).each(function(i) {
			this.style.zIndex = o.stack.min + i;
		});

		this[0].style.zIndex = o.stack.min + group.length;

	}
});

$.ui.plugin.add("draggable", "zIndex", {
	start: function(event, ui) {
		var t = $(ui.helper), o = $(this).data("draggable").options;
		if(t.css("zIndex")) o._zIndex = t.css("zIndex");
		t.css('zIndex', o.zIndex);
	},
	stop: function(event, ui) {
		var o = $(this).data("draggable").options;
		if(o._zIndex) $(ui.helper).css('zIndex', o._zIndex);
	}
});

})(jQuery);

/*
 * jQuery UI Tabs 1.7.2
 *
 * 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/Tabs
 *
 * Depends:
 *	ui.core.js
 */
(function($) {

$.widget("ui.tabs", {

	_init: function() {
		if (this.options.deselectable !== undefined) {
			this.options.collapsible = this.options.deselectable;
		}
		this._tabify(true);
	},

	_setData: function(key, value) {
		if (key == 'selected') {
			if (this.options.collapsible && value == this.options.selected) {
				return;
			}
			this.select(value);
		}
		else {
			this.options[key] = value;
			if (key == 'deselectable') {
				this.options.collapsible = value;
			}
			this._tabify();
		}
	},

	_tabId: function(a) {
		return a.title && a.title.replace(/\s/g, '_').replace(/[^A-Za-z0-9\-_:\.]/g, '') ||
			this.options.idPrefix + $.data(a);
	},

	_sanitizeSelector: function(hash) {
		return hash.replace(/:/g, '\\:'); // we need this because an id may contain a ":"
	},

	_cookie: function() {
		var cookie = this.cookie || (this.cookie = this.options.cookie.name || 'ui-tabs-' + $.data(this.list[0]));
		return $.cookie.apply(null, [cookie].concat($.makeArray(arguments)));
	},

	_ui: function(tab, panel) {
		return {
			tab: tab,
			panel: panel,
			index: this.anchors.index(tab)
		};
	},

	_cleanup: function() {
		// restore all former loading tabs labels
		this.lis.filter('.ui-state-processing').removeClass('ui-state-processing')
				.find('span:data(label.tabs)')
				.each(function() {
					var el = $(this);
					el.html(el.data('label.tabs')).removeData('label.tabs');
				});
	},

	_tabify: function(init) {

		this.list = this.element.children('ul:first');
		this.lis = $('li:has(a[href])', this.list);
		this.anchors = this.lis.map(function() { return $('a', this)[0]; });
		this.panels = $([]);

		var self = this, o = this.options;

		var fragmentId = /^#.+/; // Safari 2 reports '#' for an empty hash
		this.anchors.each(function(i, a) {
			var href = $(a).attr('href');

			// For dynamically created HTML that contains a hash as href IE < 8 expands
			// such href to the full page url with hash and then misinterprets tab as ajax.
			// Same consideration applies for an added tab with a fragment identifier
			// since a[href=#fragment-identifier] does unexpectedly not match.
			// Thus normalize href attribute...
			var hrefBase = href.split('#')[0], baseEl;
			if (hrefBase && (hrefBase === location.toString().split('#')[0] ||
					(baseEl = $('base')[0]) && hrefBase === baseEl.href)) {
				href = a.hash;
				a.href = href;
			}

			// inline tab
			if (fragmentId.test(href)) {
				self.panels = self.panels.add(self._sanitizeSelector(href));
			}

			// remote tab
			else if (href != '#') { // prevent loading the page itself if href is just "#"
				$.data(a, 'href.tabs', href); // required for restore on destroy

				// TODO until #3808 is fixed strip fragment identifier from url
				// (IE fails to load from such url)
				$.data(a, 'load.tabs', href.replace(/#.*$/, '')); // mutable data

				var id = self._tabId(a);
				a.href = '#' + id;
				var $panel = $('#' + id);
				if (!$panel.length) {
					$panel = $(o.panelTemplate).attr('id', id).addClass('ui-tabs-panel ui-widget-content ui-corner-bottom')
						.insertAfter(self.panels[i - 1] || self.list);
					$panel.data('destroy.tabs', true);
				}
				self.panels = self.panels.add($panel);
			}

			// invalid tab href
			else {
				o.disabled.push(i);
			}
		});

		// initialization from scratch
		if (init) {

			// attach necessary classes for styling
			this.element.addClass('ui-tabs ui-widget ui-widget-content ui-corner-all');
			this.list.addClass('ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all');
			this.lis.addClass('ui-state-default ui-corner-top');
			this.panels.addClass('ui-tabs-panel ui-widget-content ui-corner-bottom');

			// Selected tab
			// use "selected" option or try to retrieve:
			// 1. from fragment identifier in url
			// 2. from cookie
			// 3. from selected class attribute on <li>
			if (o.selected === undefined) {
				if (location.hash) {
					this.anchors.each(function(i, a) {
						if (a.hash == location.hash) {
							o.selected = i;
							return false; // break
						}
					});
				}
				if (typeof o.selected != 'number' && o.cookie) {
					o.selected = parseInt(self._cookie(), 10);
				}
				if (typeof o.selected != 'number' && this.lis.filter('.ui-tabs-selected').length) {
					o.selected = this.lis.index(this.lis.filter('.ui-tabs-selected'));
				}
				o.selected = o.selected || 0;
			}
			else if (o.selected === null) { // usage of null is deprecated, TODO remove in next release
				o.selected = -1;
			}

			// sanity check - default to first tab...
			o.selected = ((o.selected >= 0 && this.anchors[o.selected]) || o.selected < 0) ? o.selected : 0;

			// Take disabling tabs via class attribute from HTML
			// into account and update option properly.
			// A selected tab cannot become disabled.
			o.disabled = $.unique(o.disabled.concat(
				$.map(this.lis.filter('.ui-state-disabled'),
					function(n, i) { return self.lis.index(n); } )
			)).sort();

			if ($.inArray(o.selected, o.disabled) != -1) {
				o.disabled.splice($.inArray(o.selected, o.disabled), 1);
			}

			// highlight selected tab
			this.panels.addClass('ui-tabs-hide');
			this.lis.removeClass('ui-tabs-selected ui-state-active');
			if (o.selected >= 0 && this.anchors.length) { // check for length avoids error when initializing empty list
				this.panels.eq(o.selected).removeClass('ui-tabs-hide');
				this.lis.eq(o.selected).addClass('ui-tabs-selected ui-state-active');

				// seems to be expected behavior that the show callback is fired
				self.element.queue("tabs", function() {
					self._trigger('show', null, self._ui(self.anchors[o.selected], self.panels[o.selected]));
				});
				
				this.load(o.selected);
			}

			// clean up to avoid memory leaks in certain versions of IE 6
			$(window).bind('unload', function() {
				self.lis.add(self.anchors).unbind('.tabs');
				self.lis = self.anchors = self.panels = null;
			});

		}
		// update selected after add/remove
		else {
			o.selected = this.lis.index(this.lis.filter('.ui-tabs-selected'));
		}

		// update collapsible
		this.element[o.collapsible ? 'addClass' : 'removeClass']('ui-tabs-collapsible');

		// set or update cookie after init and add/remove respectively
		if (o.cookie) {
			this._cookie(o.selected, o.cookie);
		}

		// disable tabs
		for (var i = 0, li; (li = this.lis[i]); i++) {
			$(li)[$.inArray(i, o.disabled) != -1 &&
				!$(li).hasClass('ui-tabs-selected') ? 'addClass' : 'removeClass']('ui-state-disabled');
		}

		// reset cache if switching from cached to not cached
		if (o.cache === false) {
			this.anchors.removeData('cache.tabs');
		}

		// remove all handlers before, tabify may run on existing tabs after add or option change
		this.lis.add(this.anchors).unbind('.tabs');

		if (o.event != 'mouseover') {
			var addState = function(state, el) {
				if (el.is(':not(.ui-state-disabled)')) {
					el.addClass('ui-state-' + state);
				}
			};
			var removeState = function(state, el) {
				el.removeClass('ui-state-' + state);
			};
			this.lis.bind('mouseover.tabs', function() {
				addState('hover', $(this));
			});
			this.lis.bind('mouseout.tabs', function() {
				removeState('hover', $(this));
			});
			this.anchors.bind('focus.tabs', function() {
				addState('focus', $(this).closest('li'));
			});
			this.anchors.bind('blur.tabs', function() {
				removeState('focus', $(this).closest('li'));
			});
		}

		// set up animations
		var hideFx, showFx;
		if (o.fx) {
			if ($.isArray(o.fx)) {
				hideFx = o.fx[0];
				showFx = o.fx[1];
			}
			else {
				hideFx = showFx = o.fx;
			}
		}

		// Reset certain styles left over from animation
		// and prevent IE's ClearType bug...
		function resetStyle($el, fx) {
			$el.css({ display: '' });
			if ($.browser.msie && fx.opacity) {
				$el[0].style.removeAttribute('filter');
			}
		}

		// Show a tab...
		var showTab = showFx ?
			function(clicked, $show) {
				$(clicked).closest('li').removeClass('ui-state-default').addClass('ui-tabs-selected ui-state-active');
				$show.hide().removeClass('ui-tabs-hide') // avoid flicker that way
					.animate(showFx, showFx.duration || 'normal', function() {
						resetStyle($show, showFx);
						self._trigger('show', null, self._ui(clicked, $show[0]));
					});
			} :
			function(clicked, $show) {
				$(clicked).closest('li').removeClass('ui-state-default').addClass('ui-tabs-selected ui-state-active');
				$show.removeClass('ui-tabs-hide');
				self._trigger('show', null, self._ui(clicked, $show[0]));
			};

		// Hide a tab, $show is optional...
		var hideTab = hideFx ?
			function(clicked, $hide) {
				$hide.animate(hideFx, hideFx.duration || 'normal', function() {
					self.lis.removeClass('ui-tabs-selected ui-state-active').addClass('ui-state-default');
					$hide.addClass('ui-tabs-hide');
					resetStyle($hide, hideFx);
					self.element.dequeue("tabs");
				});
			} :
			function(clicked, $hide, $show) {
				self.lis.removeClass('ui-tabs-selected ui-state-active').addClass('ui-state-default');
				$hide.addClass('ui-tabs-hide');
				self.element.dequeue("tabs");
			};

		// attach tab event handler, unbind to avoid duplicates from former tabifying...
		this.anchors.bind(o.event + '.tabs', function() {
			var el = this, $li = $(this).closest('li'), $hide = self.panels.filter(':not(.ui-tabs-hide)'),
					$show = $(self._sanitizeSelector(this.hash));

			// If tab is already selected and not collapsible or tab disabled or
			// or is already loading or click callback returns false stop here.
			// Check if click handler returns false last so that it is not executed
			// for a disabled or loading tab!
			if (($li.hasClass('ui-tabs-selected') && !o.collapsible) ||
				$li.hasClass('ui-state-disabled') ||
				$li.hasClass('ui-state-processing') ||
				self._trigger('select', null, self._ui(this, $show[0])) === false) {
				this.blur();
				return false;
			}

			o.selected = self.anchors.index(this);

			self.abort();

			// if tab may be closed
			if (o.collapsible) {
				if ($li.hasClass('ui-tabs-selected')) {
					o.selected = -1;

					if (o.cookie) {
						self._cookie(o.selected, o.cookie);
					}

					self.element.queue("tabs", function() {
						hideTab(el, $hide);
					}).dequeue("tabs");
					
					this.blur();
					return false;
				}
				else if (!$hide.length) {
					if (o.cookie) {
						self._cookie(o.selected, o.cookie);
					}
					
					self.element.queue("tabs", function() {
						showTab(el, $show);
					});

					self.load(self.anchors.index(this)); // TODO make passing in node possible, see also http://dev.jqueryui.com/ticket/3171
					
					this.blur();
					return false;
				}
			}

			if (o.cookie) {
				self._cookie(o.selected, o.cookie);
			}

			// show new tab
			if ($show.length) {
				if ($hide.length) {
					self.element.queue("tabs", function() {
						hideTab(el, $hide);
					});
				}
				self.element.queue("tabs", function() {
					showTab(el, $show);
				});
				
				self.load(self.anchors.index(this));
			}
			else {
				throw 'jQuery UI Tabs: Mismatching fragment identifier.';
			}

			// Prevent IE from keeping other link focussed when using the back button
			// and remove dotted border from clicked link. This is controlled via CSS
			// in modern browsers; blur() removes focus from address bar in Firefox
			// which can become a usability and annoying problem with tabs('rotate').
			if ($.browser.msie) {
				this.blur();
			}

		});

		// disable click in any case
		this.anchors.bind('click.tabs', function(){return false;});

	},

	destroy: function() {
		var o = this.options;

		this.abort();
		
		this.element.unbind('.tabs')
			.removeClass('ui-tabs ui-widget ui-widget-content ui-corner-all ui-tabs-collapsible')
			.removeData('tabs');

		this.list.removeClass('ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all');

		this.anchors.each(function() {
			var href = $.data(this, 'href.tabs');
			if (href) {
				this.href = href;
			}
			var $this = $(this).unbind('.tabs');
			$.each(['href', 'load', 'cache'], function(i, prefix) {
				$this.removeData(prefix + '.tabs');
			});
		});

		this.lis.unbind('.tabs').add(this.panels).each(function() {
			if ($.data(this, 'destroy.tabs')) {
				$(this).remove();
			}
			else {
				$(this).removeClass([
					'ui-state-default',
					'ui-corner-top',
					'ui-tabs-selected',
					'ui-state-active',
					'ui-state-hover',
					'ui-state-focus',
					'ui-state-disabled',
					'ui-tabs-panel',
					'ui-widget-content',
					'ui-corner-bottom',
					'ui-tabs-hide'
				].join(' '));
			}
		});

		if (o.cookie) {
			this._cookie(null, o.cookie);
		}
	},

	add: function(url, label, index) {
		if (index === undefined) {
			index = this.anchors.length; // append by default
		}

		var self = this, o = this.options,
			$li = $(o.tabTemplate.replace(/#\{href\}/g, url).replace(/#\{label\}/g, label)),
			id = !url.indexOf('#') ? url.replace('#', '') : this._tabId($('a', $li)[0]);

		$li.addClass('ui-state-default ui-corner-top').data('destroy.tabs', true);

		// try to find an existing element before creating a new one
		var $panel = $('#' + id);
		if (!$panel.length) {
			$panel = $(o.panelTemplate).attr('id', id).data('destroy.tabs', true);
		}
		$panel.addClass('ui-tabs-panel ui-widget-content ui-corner-bottom ui-tabs-hide');

		if (index >= this.lis.length) {
			$li.appendTo(this.list);
			$panel.appendTo(this.list[0].parentNode);
		}
		else {
			$li.insertBefore(this.lis[index]);
			$panel.insertBefore(this.panels[index]);
		}

		o.disabled = $.map(o.disabled,
			function(n, i) { return n >= index ? ++n : n; });

		this._tabify();

		if (this.anchors.length == 1) { // after tabify
			$li.addClass('ui-tabs-selected ui-state-active');
			$panel.removeClass('ui-tabs-hide');
			this.element.queue("tabs", function() {
				self._trigger('show', null, self._ui(self.anchors[0], self.panels[0]));
			});
				
			this.load(0);
		}

		// callback
		this._trigger('add', null, this._ui(this.anchors[index], this.panels[index]));
	},

	remove: function(index) {
		var o = this.options, $li = this.lis.eq(index).remove(),
			$panel = this.panels.eq(index).remove();

		// If selected tab was removed focus tab to the right or
		// in case the last tab was removed the tab to the left.
		if ($li.hasClass('ui-tabs-selected') && this.anchors.length > 1) {
			this.select(index + (index + 1 < this.anchors.length ? 1 : -1));
		}

		o.disabled = $.map($.grep(o.disabled, function(n, i) { return n != index; }),
			function(n, i) { return n >= index ? --n : n; });

		this._tabify();

		// callback
		this._trigger('remove', null, this._ui($li.find('a')[0], $panel[0]));
	},

	enable: function(index) {
		var o = this.options;
		if ($.inArray(index, o.disabled) == -1) {
			return;
		}

		this.lis.eq(index).removeClass('ui-state-disabled');
		o.disabled = $.grep(o.disabled, function(n, i) { return n != index; });

		// callback
		this._trigger('enable', null, this._ui(this.anchors[index], this.panels[index]));
	},

	disable: function(index) {
		var self = this, o = this.options;
		if (index != o.selected) { // cannot disable already selected tab
			this.lis.eq(index).addClass('ui-state-disabled');

			o.disabled.push(index);
			o.disabled.sort();

			// callback
			this._trigger('disable', null, this._ui(this.anchors[index], this.panels[index]));
		}
	},

	select: function(index) {
		if (typeof index == 'string') {
			index = this.anchors.index(this.anchors.filter('[href$=' + index + ']'));
		}
		else if (index === null) { // usage of null is deprecated, TODO remove in next release
			index = -1;
		}
		if (index == -1 && this.options.collapsible) {
			index = this.options.selected;
		}

		this.anchors.eq(index).trigger(this.options.event + '.tabs');
	},

	load: function(index) {
		var self = this, o = this.options, a = this.anchors.eq(index)[0], url = $.data(a, 'load.tabs');

		this.abort();

		// not remote or from cache
		if (!url || this.element.queue("tabs").length !== 0 && $.data(a, 'cache.tabs')) {
			this.element.dequeue("tabs");
			return;
		}

		// load remote from here on
		this.lis.eq(index).addClass('ui-state-processing');

		if (o.spinner) {
			var span = $('span', a);
			span.data('label.tabs', span.html()).html(o.spinner);
		}

		this.xhr = $.ajax($.extend({}, o.ajaxOptions, {
			url: url,
			success: function(r, s) {
				$(self._sanitizeSelector(a.hash)).html(r);

				// take care of tab labels
				self._cleanup();

				if (o.cache) {
					$.data(a, 'cache.tabs', true); // if loaded once do not load them again
				}

				// callbacks
				self._trigger('load', null, self._ui(self.anchors[index], self.panels[index]));
				try {
					o.ajaxOptions.success(r, s);
				}
				catch (e) {}

				// last, so that load event is fired before show...
				self.element.dequeue("tabs");
			}
		}));
	},

	abort: function() {
		// stop possibly running animations
		this.element.queue([]);
		this.panels.stop(false, true);

		// terminate pending requests from other tabs
		if (this.xhr) {
			this.xhr.abort();
			delete this.xhr;
		}

		// take care of tab labels
		this._cleanup();

	},

	url: function(index, url) {
		this.anchors.eq(index).removeData('cache.tabs').data('load.tabs', url);
	},

	length: function() {
		return this.anchors.length;
	}

});

$.extend($.ui.tabs, {
	version: '1.7.2',
	getter: 'length',
	defaults: {
		ajaxOptions: null,
		cache: false,
		cookie: null, // e.g. { expires: 7, path: '/', domain: 'jquery.com', secure: true }
		collapsible: false,
		disabled: [],
		event: 'click',
		fx: null, // e.g. { height: 'toggle', opacity: 'toggle', duration: 200 }
		idPrefix: 'ui-tabs-',
		panelTemplate: '<div></div>',
		spinner: '<em>Loading&#8230;</em>',
		tabTemplate: '<li><a href="#{href}"><span>#{label}</span></a></li>'
	}
});

/*
 * Tabs Extensions
 */

/*
 * Rotate
 */
$.extend($.ui.tabs.prototype, {
	rotation: null,
	rotate: function(ms, continuing) {

		var self = this, o = this.options;
		
		var rotate = self._rotate || (self._rotate = function(e) {
			clearTimeout(self.rotation);
			self.rotation = setTimeout(function() {
				var t = o.selected;
				self.select( ++t < self.anchors.length ? t : 0 );
			}, ms);
			
			if (e) {
				e.stopPropagation();
			}
		});
		
		var stop = self._unrotate || (self._unrotate = !continuing ?
			function(e) {
				if (e.clientX) { // in case of a true click
					self.rotate(null);
				}
			} :
			function(e) {
				t = o.selected;
				rotate();
			});

		// start rotation
		if (ms) {
			this.element.bind('tabsshow', rotate);
			this.anchors.bind(o.event + '.tabs', stop);
			rotate();
		}
		// stop rotation
		else {
			clearTimeout(self.rotation);
			this.element.unbind('tabsshow', rotate);
			this.anchors.unbind(o.event + '.tabs', stop);
			delete this._rotate;
			delete this._unrotate;
		}
	}
});

})(jQuery);

/*
* jQuery UI Tabs @VERSION
*
* Copyright (c) 2007, 2008 Klaus Hartl (stilbuero.de)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Tabs
*
* Depends:
*	ui.core.js
*/
(function($) {

    $.widget("ui.tabs", {
        _init: function() {
            this.options.event += '.tabs'; // namespace event

            // create tabs
            this._tabify(true);
        },
        _setData: function(key, value) {
            if ((/^selected/).test(key))
                this.select(value);
            else {
                this.options[key] = value;
                this._tabify();
            }
        },
        length: function() {
            return this.$tabs.length;
        },
        _tabId: function(a) {
            return a.title && a.title.replace(/\s/g, '_').replace(/[^A-Za-z0-9\-_:\.]/g, '')
			|| this.options.idPrefix + $.data(a);
        },
        ui: function(tab, panel) {
            return {
                options: this.options,
                tab: tab,
                panel: panel,
                index: this.$tabs.index(tab)
            };
        },
        _tabify: function(init) {

            this.$lis = $('li:has(a[href])', this.element);
            this.$tabs = this.$lis.map(function() { return $('a', this)[0]; });
            this.$panels = $([]);

            var self = this, o = this.options;

            this.$tabs.each(function(i, a) {
                // inline tab
                if (a.hash && a.hash.replace('#', '')) // Safari 2 reports '#' for an empty hash
                    self.$panels = self.$panels.add(a.hash);
                // remote tab
                else if ($(a).attr('href') != '#') { // prevent loading the page itself if href is just "#"
                    $.data(a, 'href.tabs', a.href); // required for restore on destroy
                    $.data(a, 'load.tabs', a.href); // mutable
                    var id = self._tabId(a);
                    a.href = '#' + id;
                    var $panel = $('#' + id);
                    if (!$panel.length) {
                        $panel = $(o.panelTemplate).attr('id', id).addClass(o.panelClass)
						.insertAfter(self.$panels[i - 1] || self.element);
                        $panel.data('destroy.tabs', true);
                    }
                    self.$panels = self.$panels.add($panel);
                }
                // invalid tab href
                else
                    o.disabled.push(i + 1);
            });

            // initialization from scratch
            if (init) {

                // attach necessary classes for styling if not present
                this.element.addClass(o.navClass);
                this.$panels.each(function() {
                    var $this = $(this);
                    $this.addClass(o.panelClass);
                });

                // Selected tab
                // use "selected" option or try to retrieve:
                // 1. from fragment identifier in url
                // 2. from cookie
                // 3. from selected class attribute on <li>
                if (o.selected === undefined) {
                    if (location.hash) {
                        this.$tabs.each(function(i, a) {
                            if (a.hash == location.hash) {
                                o.selected = i;
                                // prevent page scroll to fragment
                                if ($.browser.msie || $.browser.opera) { // && !o.remote
                                    var $toShow = $(location.hash), toShowId = $toShow.attr('id');
                                    $toShow.attr('id', '');
                                    setTimeout(function() {
                                        $toShow.attr('id', toShowId); // restore id
                                    }, 500);
                                }
                                scrollTo(0, 0);
                                return false; // break
                            }
                        });
                    }
                    else if (o.cookie) {
                        var index = parseInt($.cookie('ui-tabs-' + $.data(self.element[0])), 10);
                        if (index && self.$tabs[index])
                            o.selected = index;
                    }
                    else if (self.$lis.filter('.' + o.selectedClass).length)
                        o.selected = self.$lis.index(self.$lis.filter('.' + o.selectedClass)[0]);
                }
                o.selected = o.selected === null || o.selected !== undefined ? o.selected : 0; // first tab selected by default

                // Take disabling tabs via class attribute from HTML
                // into account and update option properly.
                // A selected tab cannot become disabled.
                o.disabled = $.unique(o.disabled.concat(
				$.map(this.$lis.filter('.' + o.disabledClass),
					function(n, i) { return self.$lis.index(n); })
			)).sort();
                if ($.inArray(o.selected, o.disabled) != -1)
                    o.disabled.splice($.inArray(o.selected, o.disabled), 1);

                // highlight selected tab
                this.$panels.addClass(o.hideClass);
                this.$lis.removeClass(o.selectedClass);
                if (o.selected !== null) {
                    this.$panels.eq(o.selected).show().removeClass(o.hideClass); // use show and remove class to show in any case no matter how it has been hidden before
                    this.$lis.eq(o.selected).addClass(o.selectedClass);

                    // seems to be expected behavior that the show callback is fired
                    var onShow = function() {
                        self._trigger('show', null,
						self.ui(self.$tabs[o.selected], self.$panels[o.selected]));
                    };

                    // load if remote tab
                    // check if tabs exist before initializing
                    if (this.$tabs.length && $.data(this.$tabs[o.selected], 'load.tabs'))
                        this.load(o.selected, onShow);
                    // just trigger show event
                    else
                        onShow();
                }

                // clean up to avoid memory leaks in certain versions of IE 6
                $(window).bind('unload', function() {
                    self.$tabs.unbind('.tabs');
                    self.$lis = self.$tabs = self.$panels = null;
                });

            }
            // update selected after add/remove
            else
                o.selected = this.$lis.index(this.$lis.filter('.' + o.selectedClass)[0]);

            // set or update cookie after init and add/remove respectively
            if (o.cookie)
                $.cookie('ui-tabs-' + $.data(self.element[0]), o.selected, o.cookie);

            // disable tabs
            for (var i = 0, li; li = this.$lis[i]; i++)
                $(li)[$.inArray(i, o.disabled) != -1 && !$(li).hasClass(o.selectedClass) ? 'addClass' : 'removeClass'](o.disabledClass);

            // reset cache if switching from cached to not cached
            if (o.cache === false)
                this.$tabs.removeData('cache.tabs');

            // set up animations
            var hideFx, showFx, baseFx = { 'min-width': 0, duration: 1 }, baseDuration = 'normal';
            if (o.fx && o.fx.constructor == Array)
                hideFx = o.fx[0] || baseFx, showFx = o.fx[1] || baseFx;
            else
                hideFx = showFx = o.fx || baseFx;

            // reset some styles to maintain print style sheets etc.
            var resetCSS = { display: '', overflow: '', height: '' };
            if (!$.browser.msie) // not in IE to prevent ClearType font issue
                resetCSS.opacity = '';

            // Hide a tab, animation prevents browser scrolling to fragment,
            // $show is optional.
            function hideTab(clicked, $hide, $show) {
                $hide.animate(hideFx, hideFx.duration || baseDuration, function() { //
                    $hide.addClass(o.hideClass).css(resetCSS); // maintain flexible height and accessibility in print etc.
                    if ($.browser.msie && hideFx.opacity)
                        $hide[0].style.filter = '';
                    if ($show)
                        showTab(clicked, $show, $hide);
                });
            }

            // Show a tab, animation prevents browser scrolling to fragment,
            // $hide is optional.
            function showTab(clicked, $show, $hide) {
                if (showFx === baseFx)
                    $show.css('display', 'block'); // prevent occasionally occuring flicker in Firefox cause by gap between showing and hiding the tab panels
                $show.animate(showFx, showFx.duration || baseDuration, function() {
                    $show.removeClass(o.hideClass).css(resetCSS); // maintain flexible height and accessibility in print etc.
                    if ($.browser.msie && showFx.opacity)
                        $show[0].style.filter = '';

                    // callback
                    self._trigger('show', null, self.ui(clicked, $show[0]));
                });
            }

            // switch a tab
            function switchTab(clicked, $li, $hide, $show) {
                /*if (o.bookmarkable && trueClick) { // add to history only if true click occured, not a triggered click
                $.ajaxHistory.update(clicked.hash);
                }*/
                $li.addClass(o.selectedClass)
				.siblings().removeClass(o.selectedClass);
                hideTab(clicked, $hide, $show);
            }

            // attach tab event handler, unbind to avoid duplicates from former tabifying...
            this.$tabs.unbind('.tabs').bind(o.event, function() {

                //var trueClick = e.clientX; // add to history only if true click occured, not a triggered click
                var $li = $(this).parents('li:eq(0)'),
				$hide = self.$panels.filter(':visible'),
				$show = $(this.hash);

                // If tab is already selected and not unselectable or tab disabled or 
                // or is already loading or click callback returns false stop here.
                // Check if click handler returns false last so that it is not executed
                // for a disabled or loading tab!
                if (($li.hasClass(o.selectedClass) && !o.unselect)
				|| $li.hasClass(o.disabledClass)
				|| $(this).hasClass(o.loadingClass)
				|| self._trigger('select', null, self.ui(this, $show[0])) === false
				) {
                    this.blur();
                    return false;
                }

                self.options.selected = self.$tabs.index(this);

                // if tab may be closed
                if (o.unselect) {
                    if ($li.hasClass(o.selectedClass)) {
                        self.options.selected = null;
                        $li.removeClass(o.selectedClass);
                        self.$panels.stop();
                        hideTab(this, $hide);
                        this.blur();
                        return false;
                    } else if (!$hide.length) {
                        self.$panels.stop();
                        var a = this;
                        self.load(self.$tabs.index(this), function() {
                            $li.addClass(o.selectedClass).addClass(o.unselectClass);
                            showTab(a, $show);
                        });
                        this.blur();
                        return false;
                    }
                }

                if (o.cookie)
                    $.cookie('ui-tabs-' + $.data(self.element[0]), self.options.selected, o.cookie);

                // stop possibly running animations
                self.$panels.stop();

                // show new tab
                if ($show.length) {

                    // prevent scrollbar scrolling to 0 and than back in IE7, happens only if bookmarking/history is enabled
                    /*if ($.browser.msie && o.bookmarkable) {
                    var showId = this.hash.replace('#', '');
                    $show.attr('id', '');
                    setTimeout(function() {
                    $show.attr('id', showId); // restore id
                    }, 0);
                    }*/

                    var a = this;
                    self.load(self.$tabs.index(this), $hide.length ?
					function() {
					    switchTab(a, $li, $hide, $show);
					} :
					function() {
					    $li.addClass(o.selectedClass);
					    showTab(a, $show);
					}
				);

                    // Set scrollbar to saved position - need to use timeout with 0 to prevent browser scroll to target of hash
                    /*var scrollX = window.pageXOffset || document.documentElement && document.documentElement.scrollLeft || document.body.scrollLeft || 0;
                    var scrollY = window.pageYOffset || document.documentElement && document.documentElement.scrollTop || document.body.scrollTop || 0;
                    setTimeout(function() {
                    scrollTo(scrollX, scrollY);
                    }, 0);*/

                } else
                    throw 'jQuery UI Tabs: Mismatching fragment identifier.';

                // Prevent IE from keeping other link focussed when using the back button
                // and remove dotted border from clicked link. This is controlled in modern
                // browsers via CSS, also blur removes focus from address bar in Firefox
                // which can become a usability and annoying problem with tabsRotate.
                if ($.browser.msie)
                    this.blur();

                //return o.bookmarkable && !!trueClick; // convert trueClick == undefined to Boolean required in IE
                return false;

            });

            // disable click if event is configured to something else
            if (!(/^click/).test(o.event))
                this.$tabs.bind('click.tabs', function() { return false; });

        },
        add: function(url, label, index) {
            if (index == undefined)
                index = this.$tabs.length; // append by default

            var o = this.options;
            var $li = $(o.tabTemplate.replace(/#\{href\}/g, url).replace(/#\{label\}/g, label));
            $li.data('destroy.tabs', true);

            var id = url.indexOf('#') == 0 ? url.replace('#', '') : this._tabId($('a:first-child', $li)[0]);

            // try to find an existing element before creating a new one
            var $panel = $('#' + id);
            if (!$panel.length) {
                $panel = $(o.panelTemplate).attr('id', id)
				.addClass(o.hideClass)
				.data('destroy.tabs', true);
            }
            $panel.addClass(o.panelClass);
            if (index >= this.$lis.length) {
                $li.appendTo(this.element);
                $panel.appendTo(this.element[0].parentNode);
            } else {
                $li.insertBefore(this.$lis[index]);
                $panel.insertBefore(this.$panels[index]);
            }

            o.disabled = $.map(o.disabled,
			function(n, i) { return n >= index ? ++n : n });

            this._tabify();

            if (this.$tabs.length == 1) {
                $li.addClass(o.selectedClass);
                $panel.removeClass(o.hideClass);
                var href = $.data(this.$tabs[0], 'load.tabs');
                if (href)
                    this.load(index, href);
            }

            // callback
            this._trigger('add', null, this.ui(this.$tabs[index], this.$panels[index]));

            // change - automatically select new tab
            if (o.selectOnAdd) this.select(index);
        },
        remove: function(index) {
            var o = this.options, $li = this.$lis.eq(index).remove(),
			$panel = this.$panels.eq(index).remove();

            // If selected tab was removed focus tab to the right or
            // in case the last tab was removed the tab to the left.
            if ($li.hasClass(o.selectedClass) && this.$tabs.length > 1)
                this.select(index + (index + 1 < this.$tabs.length ? 1 : -1));

            o.disabled = $.map($.grep(o.disabled, function(n, i) { return n != index; }),
			function(n, i) { return n >= index ? --n : n });

            this._tabify();

            // callback
            this._trigger('remove', null, this.ui($li.find('a')[0], $panel[0]));
        },
        enable: function(index) {
            var o = this.options;
            if ($.inArray(index, o.disabled) == -1)
                return;

            var $li = this.$lis.eq(index).removeClass(o.disabledClass);
            if ($.browser.safari) { // fix disappearing tab (that used opacity indicating disabling) after enabling in Safari 2...
                $li.css('display', 'inline-block');
                setTimeout(function() {
                    $li.css('display', 'block');
                }, 0);
            }

            o.disabled = $.grep(o.disabled, function(n, i) { return n != index; });

            // callback
            this._trigger('enable', null, this.ui(this.$tabs[index], this.$panels[index]));
        },
        disable: function(index) {
            var self = this, o = this.options;
            if (index != o.selected) { // cannot disable already selected tab
                this.$lis.eq(index).addClass(o.disabledClass);

                o.disabled.push(index);
                o.disabled.sort();

                // callback
                this._trigger('disable', null, this.ui(this.$tabs[index], this.$panels[index]));
            }
        },
        select: function(index) {
            if (typeof index == 'string')
                index = this.$tabs.index(this.$tabs.filter('[href$=' + index + ']')[0]);
            this.$tabs.eq(index).trigger(this.options.event);
        },
        load: function(index, callback) { // callback is for internal usage only

            var self = this, o = this.options, $a = this.$tabs.eq(index), a = $a[0],
				bypassCache = callback == undefined || callback === false, url = $a.data('load.tabs');

            callback = callback || function() { };

            // no remote or from cache - just finish with callback
            if (!url || !bypassCache && $.data(a, 'cache.tabs')) {
                callback();
                return;
            }

            // load remote from here on

            var inner = function(parent) {
                var $parent = $(parent), $inner = $parent.find('*:last');
                return $inner.length && $inner.is(':not(img)') && $inner || $parent;
            };
            var cleanup = function() {
                self.$tabs.filter('.' + o.loadingClass).removeClass(o.loadingClass)
						.each(function() {
						    if (o.spinner)
						        inner(this).parent().html(inner(this).data('label.tabs'));
						});
                self.xhr = null;
            };

            if (o.spinner) {
                var label = inner(a).html();
                inner(a).wrapInner('<em></em>')
				.find('em').data('label.tabs', label).html(o.spinner);
            }

            var ajaxOptions = $.extend({}, o.ajaxOptions, {
                url: url,
                success: function(r, s) {
                    $(a.hash).html(r);
                    cleanup();

                    if (o.cache)
                        $.data(a, 'cache.tabs', true); // if loaded once do not load them again

                    // callbacks
                    self._trigger('load', null, self.ui(self.$tabs[index], self.$panels[index]));
                    o.ajaxOptions.success && o.ajaxOptions.success(r, s);

                    // This callback is required because the switch has to take
                    // place after loading has completed. Call last in order to 
                    // fire load before show callback...
                    callback();
                }
            });
            if (this.xhr) {
                // terminate pending requests from other tabs and restore tab label
                this.xhr.abort();
                cleanup();
            }
            $a.addClass(o.loadingClass);
            setTimeout(function() { // timeout is again required in IE, "wait" for id being restored
                self.xhr = $.ajax(ajaxOptions);
            }, 0);

        },
        url: function(index, url) {
            this.$tabs.eq(index).removeData('cache.tabs').data('load.tabs', url);
        },
        destroy: function() {
            var o = this.options;
            this.element.unbind('.tabs')
			.removeClass(o.navClass).removeData('tabs');
            this.$tabs.each(function() {
                var href = $.data(this, 'href.tabs');
                if (href)
                    this.href = href;
                var $this = $(this).unbind('.tabs');
                $.each(['href', 'load', 'cache'], function(i, prefix) {
                    $this.removeData(prefix + '.tabs');
                });
            });
            this.$lis.add(this.$panels).each(function() {
                if ($.data(this, 'destroy.tabs'))
                    $(this).remove();
                else
                    $(this).removeClass([o.selectedClass, o.unselectClass,
					o.disabledClass, o.panelClass, o.hideClass].join(' '));
            });
        }
    });

    $.ui.tabs.defaults = {
        // basic setup
        unselect: false,
        event: 'click',
        disabled: [],
        cookie: null, // e.g. { expires: 7, path: '/', domain: 'jquery.com', secure: true }
        // TODO history: false,

        // Ajax
        spinner: 'Loading&#8230;',
        cache: false,
        idPrefix: 'ui-tabs-',
        ajaxOptions: {},

        // animations
        fx: null, // e.g. { height: 'toggle', opacity: 'toggle', duration: 200 }

        // templates
        tabTemplate: '<li><a href="#{href}"><span>#{label}</span></a></li>',
        panelTemplate: '<div></div>',

        // CSS classes
        navClass: 'ui-tabs-nav',
        selectedClass: 'ui-tabs-selected',
        unselectClass: 'ui-tabs-unselect',
        disabledClass: 'ui-tabs-disabled',
        panelClass: 'ui-tabs-panel',
        hideClass: 'ui-tabs-hide',
        loadingClass: 'ui-tabs-loading',

        // change - setting to select tab when added
        selectOnAdd: false
    };

    $.ui.tabs.getter = "length";

    /*
    * Tabs Extensions
    */

    /*
    * Rotate
    */
    $.extend($.ui.tabs.prototype, {
        rotation: null,
        rotate: function(ms, continuing) {

            continuing = continuing || false;

            var self = this, t = this.options.selected;

            function start() {
                self.rotation = setInterval(function() {
                    t = ++t < self.$tabs.length ? t : 0;
                    self.select(t);
                }, ms);
            }

            function stop(e) {
                if (!e || e.clientX) { // only in case of a true click
                    clearInterval(self.rotation);
                }
            }

            // start interval
            if (ms) {
                start();
                if (!continuing)
                    this.$tabs.bind(this.options.event, stop);
                else
                    this.$tabs.bind(this.options.event, function() {
                        stop();
                        t = self.options.selected;
                        start();
                    });
            }
            // stop interval
            else {
                stop();
                this.$tabs.unbind(this.options.event, stop);
            }
        }
    });

})(jQuery);
/*
Copyright (c) 2008, http://seyfertdesign.com/jquery/ui-tabs-paging.html

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/

var initialized = false;
$.extend($.ui.tabs.prototype, {
    paging: function(options) {
        var opts = {
            tabsPerPage: 7,
            nextButton: '',
            prevButton: '',
            follow: false,
            cycle: false
        };

        opts = jQuery.extend(opts, options);

        var self = this, initialized = false, currentPage,
			buttonWidth, containerWidth, allTabsWidth, tabWidths,
			maxPageWidth, pages, resizeTimer = null,
			windowHeight = $(window).height(), windowWidth = $(window).width();

        function init() {
            allTabsWidth = 0, currentPage = 0, maxPageWidth = 0, buttonWidth = 0,
				pages = new Array(), tabWidths = new Array(), selectedTabWidths = new Array();
            containerWidth = $($($(self.element).children()[1]).children()[1]).width(); //$(self.element).width();
            //alert($($($(self.element).children()[0]).children()[0]).width());
            // create next button			
            $li = $('<li></li>')
				.addClass('ui-tabs-paging-next');
            $a = $('<a href="#"></a>')
				.click(function() { page('next'); return false; })
				.html(opts.nextButton);
            $li.append($a);

            //self.$lis.eq(self.length() - 1).after($li);
            self.$lis.eq(0).before($li);
            buttonWidth = $li.outerWidth({ margin: true });

            // create prev button
            $li = $('<li></li>')
				.addClass('ui-tabs-paging-prev');
            $a = $('<a href="#"></a>')
				.click(function() { page('prev'); return false; })
				.html(opts.prevButton);
            $li.append($a);
            self.$lis.eq(0).before($li);
            buttonWidth += $li.outerWidth({ margin: true });

            // loops through LIs, get width of each tab when selected and unselected.
            self.$lis.each(function(i) {
                if (i == self.options.selected) {
                    selectedTabWidths[i] = $(this).outerWidth({ margin: true });
                    tabWidths[i] = self.$lis.eq(i).removeClass('ui-tabs-selected').outerWidth({ margin: true });
                    self.$lis.eq(i).addClass('ui-tabs-selected');
                    allTabsWidth += selectedTabWidths[i];
                } else {
                    tabWidths[i] = $(this).outerWidth({ margin: true });
                    selectedTabWidths[i] = self.$lis.eq(i).addClass('ui-tabs-selected').outerWidth({ margin: true });
                    self.$lis.eq(i).removeClass('ui-tabs-selected');
                    allTabsWidth += tabWidths[i];
                }
            });

            // if the width of all tables is greater than the container's width, calculate the pages
            if (allTabsWidth > containerWidth) {
                var pageIndex = 0, pageWidth = 0, maxTabPadding = 0;

                // start calculating pageWidths
                for (var i = 0; i < tabWidths.length; i++) {
                    // if first tab of page or selected tab's padding larger than the current max, set the maxTabPadding
                    if (pageWidth == 0 || selectedTabWidths[i] - tabWidths[i] > maxTabPadding)
                        maxTabPadding = (selectedTabWidths[i] - tabWidths[i]);

                    // if first tab of page, initialize pages variable for page 
                    if (pages[pageIndex] == null) {
                        pages[pageIndex] = { start: i };

                    } else if ((i > 0 && (i % opts.tabsPerPage) == 0) || (tabWidths[i] + pageWidth + buttonWidth + 12) > containerWidth) {
                        if ((pageWidth + maxTabPadding) > maxPageWidth)
                            maxPageWidth = (pageWidth + maxTabPadding);
                        pageIndex++;
                        pages[pageIndex] = { start: i };
                        pageWidth = 0;
                    }
                    pages[pageIndex].end = i + 1;
                    pageWidth += tabWidths[i];
                    if (i == self.options.selected) currentPage = pageIndex;
                }
                if ((pageWidth + maxTabPadding) > maxPageWidth)
                    maxPageWidth = (pageWidth + maxTabPadding);

                // hide all tabs then show tabs for current page
                self.$lis.hide().slice(pages[currentPage].start, pages[currentPage].end).show();
                if (currentPage == (pages.length - 1) && !opts.cycle)
                    disableButton('next');
                if (currentPage == 0 && !opts.cycle)
                    disableButton('prev');

                // calculate the right padding for the next button
                /*buttonPadding = containerWidth - maxPageWidth - buttonWidth - ($.browser.msie ? 8 : 0);
                if (buttonPadding > 0)
                $('.ui-tabs-paging-next', self.element).css({ paddingRight: '10px' });*/
                //$('.ui-tabs-paging-next', self.element).css({ paddingRight: buttonPadding + 'px' });

                initialized = true;
            } else {
                destroy();
            }

            $(window).bind('resize', handleResize);
        }

        function page(direction) {
            currentPage = currentPage + (direction == 'prev' ? -1 : 1);

            if (direction == 'prev' && currentPage < 0 && opts.cycle)
                currentPage = pages.length - 1;
            else if ((direction == 'prev' && currentPage < 0) ||
			         (direction == 'next' && currentPage >= pages.length))
                currentPage = 0;

            var start = pages[currentPage].start;
            var end = pages[currentPage].end;
            self.$lis.hide().slice(pages[currentPage].start, pages[currentPage].end).show();

            if (direction == 'prev') {
                enableButton('next');
                if (opts.follow && (self.options.selected < start || self.options.selected > (end - 1))) self.select(end - 1);
                if (!opts.cycle && start <= 0) disableButton('prev');
            } else {
                enableButton('prev');
                if (opts.follow && (self.options.selected < start || self.options.selected > (end - 1))) self.select(start);
                if (!opts.cycle && end >= self.length()) disableButton('next');
            }
        }

        function disableButton(direction) {
            $('.ui-tabs-paging-' + direction, self.element).addClass('ui-tabs-paging-disabled');
        }

        function enableButton(direction) {
            $('.ui-tabs-paging-' + direction, self.element).removeClass('ui-tabs-paging-disabled');
        }

        // special function defined to handle IE6 and IE7 resize issues
        function handleResize() {
            if (resizeTimer) clearTimeout(resizeTimer);

            if (windowHeight != $(window).height() || windowWidth != $(window).width())
                resizeTimer = setTimeout(reinit, 100);
        }

        function reinit() {
            windowHeight = $(window).height();
            windowWidth = $(window).width();
            destroy();
            init();
        }

        function destroy() {
            // remove buttons
            $('.ui-tabs-paging-next', self.element).remove();
            $('.ui-tabs-paging-prev', self.element).remove();

            // show all tabs
            self.$lis.show();

            initialized = false;

            $(window).unbind('resize', handleResize);
        }

        init();

        // add, remove, and destroy functions specific for paging 
        $.extend($.ui.tabs.prototype, {
            pagingAdd: function(url, label, index) {
                if (initialized) {
                    destroy();
                    this.add(url, label, index);
                    init();
                } else {
                    this.add(url, label, index);
                }
            },
            pagingRemove: function(index) {
                if (initialized) {
                    destroy();
                    this.remove(index);
                    init();
                } else
                    this.remove(index);
            },
            pagingDestroy: function() {
                destroy();
            }
        });

    }
});




/* Copyright (c) 2006 Brandon Aaron (http://brandonaaron.net)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) 
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * $LastChangedDate: 2007-07-21 18:45:56 -0500 (Sat, 21 Jul 2007) $
 * $Rev: 2447 $
 *
 * Version 2.1.1
 */
(function($){$.fn.bgIframe=$.fn.bgiframe=function(s){if($.browser.msie&&/6.0/.test(navigator.userAgent)){s=$.extend({top:'auto',left:'auto',width:'auto',height:'auto',opacity:true,src:'javascript:false;'},s||{});var prop=function(n){return n&&n.constructor==Number?n+'px':n;},html='<iframe class="bgiframe"frameborder="0"tabindex="-1"src="'+s.src+'"'+'style="display:block;position:absolute;z-index:-1;'+(s.opacity!==false?'filter:Alpha(Opacity=\'0\');':'')+'top:'+(s.top=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderTopWidth)||0)*-1)+\'px\')':prop(s.top))+';'+'left:'+(s.left=='auto'?'expression(((parseInt(this.parentNode.currentStyle.borderLeftWidth)||0)*-1)+\'px\')':prop(s.left))+';'+'width:'+(s.width=='auto'?'expression(this.parentNode.offsetWidth+\'px\')':prop(s.width))+';'+'height:'+(s.height=='auto'?'expression(this.parentNode.offsetHeight+\'px\')':prop(s.height))+';'+'"/>';return this.each(function(){if($('> iframe.bgiframe',this).length==0)this.insertBefore(document.createElement(html),this.firstChild);});}return this;};})(jQuery);

/*
 * tools.scrollable 1.1.0 - Scroll your HTML with eye candy.
 * 
 * Copyright (c) 2009 Tero Piirainen
 * http://flowplayer.org/tools/scrollable.html
 *
 * Dual licensed under MIT and GPL 2+ licenses
 * http://www.opensource.org/licenses
 *
 * Launch  : March 2008
 * Date: ${date}
 * Revision: ${revision} 
 */
(function(c){c.tools=c.tools||{};c.tools.scrollable={version:"1.1.0",conf:{size:5,vertical:false,speed:400,keyboard:true,keyboardSteps:null,disabledClass:"disabled",hoverClass:null,clickable:true,activeClass:"active",easing:"swing",items:".items",item:null,prev:".prev",next:".next",prevPage:".prevPage",nextPage:".nextPage",api:false}};var d,a=0;function b(r,o,m){var t=this,e=!o.vertical,f=r.children(),l=0,j;if(!d){d=t}function p(u,v){c(t).bind(u,function(x,w){if(v&&v.call(this,w.index)===false&&w){w.proceed=false}});return t}c.each(o,function(u,v){if(c.isFunction(v)){p(u,v)}});if(f.length>1){f=c(o.items,r)}function n(v){var u=c(v);return m==1||u.length==1||o.globalNav?u:r.parent().find(v)}r.data("finder",n);var g=n(o.prev),i=n(o.next),h=n(o.prevPage),q=n(o.nextPage);c.extend(t,{getIndex:function(){return l},getConf:function(){return o},getSize:function(){return t.getItems().size()},getPageAmount:function(){return Math.ceil(this.getSize()/o.size)},getPageIndex:function(){return Math.ceil(l/o.size)},getNaviButtons:function(){return g.add(i).add(h).add(q)},getRoot:function(){return r},getItemWrap:function(){return f},getItems:function(){return f.children(o.item)},getVisibleItems:function(){return t.getItems().slice(l,l+o.size)},seekTo:function(u,y,v){if(y===undefined){y=o.speed}if(c.isFunction(y)){v=y;y=o.speed}if(u<0){u=0}if(u>t.getSize()-o.size){return this.end()}var w=t.getItems().eq(u);if(!w.length){return t}var x={index:u,proceed:true};c(t).trigger("onBeforeSeek",x);if(!x.proceed){return t}function z(){if(v){v.call(t)}c(t).trigger("onSeek",x)}if(e){f.animate({left:-w.position().left},y,o.easing,z)}else{f.animate({top:-w.position().top},y,o.easing,z)}d=t;l=u;return t},move:function(w,v,u){j=w>0;return this.seekTo(l+w,v,u)},next:function(v,u){return this.move(1,v,u)},prev:function(v,u){return this.move(-1,v,u)},movePage:function(y,x,w){j=y>0;var u=o.size*y;var v=l%o.size;if(v>0){u+=(y>0?-v:o.size-v)}return this.move(u,x,w)},prevPage:function(v,u){return this.movePage(-1,v,u)},nextPage:function(v,u){return this.movePage(1,v,u)},setPage:function(v,w,u){return this.seekTo(v*o.size,w,u)},begin:function(v,u){return this.seekTo(0,v,u)},end:function(v,u){var w=this.getSize()-o.size;return w>0?this.seekTo(w,v,u):t},reload:function(){c(t).trigger("onReload",{});return t},onBeforeSeek:function(u){return p("onBeforeSeek",u)},onSeek:function(u){return p("onSeek",u)},onReload:function(u){return p("onReload",u)},focus:function(){d=t;return t},click:function(w){var x=t.getItems().eq(w),u=o.activeClass,v=o.size;if(w<0||w>=t.getSize()){return t}if(v==1){if(w===0||w==t.getSize()-1){j=(j===undefined)?true:!j}return j===false?t.prev():t.next()}if(v==2){if(w==l){w--}t.getItems().removeClass(u);x.addClass(u);return t.seekTo(w,time,fn)}if(!x.hasClass(u)){t.getItems().removeClass(u);x.addClass(u);var z=Math.floor(v/2);var y=w-z;if(y>t.getSize()-v){y=t.getSize()-v}if(y!==w){return t.seekTo(y)}}return t}});g.addClass(o.disabledClass).click(function(){t.prev()});i.click(function(){t.next()});q.click(function(){t.nextPage()});h.addClass(o.disabledClass).click(function(){t.prevPage()});t.onSeek(function(u){if(u===0){g.add(h).addClass(o.disabledClass)}else{g.add(h).removeClass(o.disabledClass)}if(u>=t.getSize()-o.size){i.add(q).addClass(o.disabledClass)}else{i.add(q).removeClass(o.disabledClass)}});var k=o.hoverClass,s="keydown."+Math.random().toString().substring(10);t.onReload(function(){if(k){t.getItems().hover(function(){c(this).addClass(k)},function(){c(this).removeClass(k)})}if(o.clickable){t.getItems().each(function(u){c(this).unbind("click.scrollable").bind("click.scrollable",function(v){if(c(v.target).is("a")){return}return t.click(u)})})}if(o.keyboard){c(document).bind(s,function(u){if(u.altKey||u.ctrlKey){return}if(o.keyboard!="static"&&d!=t){return}var v=o.keyboardSteps;if(e&&(u.keyCode==37||u.keyCode==39)){t.move(u.keyCode==37?-v:v);return u.preventDefault()}if(!e&&(u.keyCode==38||u.keyCode==40)){t.move(u.keyCode==38?-v:v);return u.preventDefault()}return true})}else{c(document).unbind(s)}});t.reload()}c.fn.scrollable=function(e){var f=this.eq(typeof e=="number"?e:0).data("scrollable");if(f){return f}var g=c.extend({},c.tools.scrollable.conf);c.extend(g,e);g.keyboardSteps=g.keyboardSteps||g.size;a+=this.length;this.each(function(){f=new b(c(this),g);c(this).data("scrollable",f)});return g.api?f:this}})(jQuery);

/*
 * jQuery TOOLS plugin :: scrollable.circular 0.5.0
 * 
 * Copyright (c) 2009 Tero Piirainen
 * http://flowplayer.org/tools/scrollable.html#circular
 *
 * Dual licensed under MIT and GPL 2+ licenses
 * http://www.opensource.org/licenses
 *
 * Launch  : September 2009
 * Date: ${date}
 * Revision: ${revision} 
 */
(function(b){var a=b.tools.scrollable;a.plugins=a.plugins||{};a.plugins.circular={version:"0.5.0",conf:{api:false,clonedClass:"cloned"}};b.fn.circular=function(e){var d=b.extend({},a.plugins.circular.conf),c;b.extend(d,e);this.each(function(){var i=b(this).scrollable(),n=i.getItems(),k=i.getConf(),f=i.getItemWrap(),j=0;if(i){c=i}if(n.length<k.size){return false}n.slice(0,k.size).each(function(o){b(this).clone().appendTo(f).click(function(){i.click(n.length+o)}).addClass(d.clonedClass)});var l=b.makeArray(n.slice(-k.size)).reverse();b(l).each(function(o){b(this).clone().prependTo(f).click(function(){i.click(-o-1)}).addClass(d.clonedClass)});var m=f.children(k.item);var h=k.hoverClass;if(h){m.hover(function(){b(this).addClass(h)},function(){b(this).removeClass(h)})}function g(o){var p=m.eq(o);if(k.vertical){f.css({top:-p.position().top})}else{f.css({left:-p.position().left})}}g(k.size);b.extend(i,{move:function(s,r,p,q){var u=j+s+k.size;var t=u>i.getSize()-k.size;if(u<0||t){var o=j+k.size+(t?-n.length:n.length);g(o);u=o+s}if(q){m.removeClass(k.activeClass).eq(u+Math.floor(k.size/2)).addClass(k.activeClass)}return i.seekTo(u,r,p)},begin:function(p,o){return this.seekTo(k.size,p,o)},end:function(p,o){return this.seekTo(n.length,p,o)},click:function(p,r,q){if(!k.clickable){return self}if(k.size==1){return this.next()}var s=p-j,o=k.activeClass;s-=Math.floor(k.size/2);return this.move(s,r,q,true)},getIndex:function(){return j},setPage:function(p,q,o){return this.seekTo(p*k.size+k.size,q,o)},getPageAmount:function(){return Math.ceil(n.length/k.size)},getPageIndex:function(){if(j<0){return this.getPageAmount()-1}if(j>=n.length){return 0}return(j+k.size)/k.size-1},getVisibleItems:function(){var o=j+k.size;return m.slice(o,o+k.size)}});i.onSeek(function(o){j=o-k.size;i.getNaviButtons().removeClass(k.disabledClass)});i.getNaviButtons().removeClass(k.disabledClass)});return d.api?c:this}})(jQuery);
/*
 * jQuery TOOLS plugin :: scrollable.autoscroll 1.0.0
 * 
 * Copyright (c) 2009 Tero Piirainen
 * http://flowplayer.org/tools/scrollable.html#autoscroll
 *
 * Dual licensed under MIT and GPL 2+ licenses
 * http://www.opensource.org/licenses
 *
 * Launch  : September 2009
 * Date: ${date}
 * Revision: ${revision} 
 */
(function(b){var a=b.tools.scrollable;a.plugins=a.plugins||{};a.plugins.autoscroll={version:"1.0.0",conf:{autoplay:true,interval:3000,autopause:true,steps:1,api:false}};b.fn.autoscroll=function(d){if(typeof d=="number"){d={interval:d}}var e=b.extend({},a.plugins.autoscroll.conf),c;b.extend(e,d);this.each(function(){var g=b(this).scrollable();if(g){c=g}var i,f,h=true;g.play=function(){if(i){return}h=false;i=setInterval(function(){g.move(e.steps)},e.interval);g.move(e.steps)};g.pause=function(){i=clearInterval(i)};g.stop=function(){g.pause();h=true};if(e.autopause){g.getRoot().add(g.getNaviButtons()).hover(function(){g.pause();clearInterval(f)},function(){if(!h){f=setTimeout(g.play,e.interval)}})}if(e.autoplay){setTimeout(g.play,e.interval)}});return e.api?c:this}})(jQuery);
/*
 * jQuery TOOLS plugin :: scrollable.navigator 1.0.0
 * 
 * Copyright (c) 2009 Tero Piirainen
 * http://flowplayer.org/tools/scrollable.html#navigator
 *
 * Dual licensed under MIT and GPL 2+ licenses
 * http://www.opensource.org/licenses
 *
 * Launch  : September 2009
 * Date: ${date}
 * Revision: ${revision} 
 */
(function(b){var a=b.tools.scrollable;a.plugins=a.plugins||{};a.plugins.navigator={version:"1.0.0",conf:{navi:".navi",naviItem:null,activeClass:"active",indexed:false,api:false}};b.fn.navigator=function(e){var d=b.extend({},a.plugins.navigator.conf),c;if(typeof e=="string"){e={navi:e}}b.extend(d,e);this.each(function(){var i=b(this).scrollable(),f=i.getRoot(),l=f.data("finder").call(null,d.navi),g=null,k=i.getNaviButtons();if(i){c=i}i.getNaviButtons=function(){return k.add(l)};function j(){if(!l.children().length||l.data("navi")==i){l.empty();l.data("navi",i);for(var m=0;m<i.getPageAmount();m++){l.append(b("<"+(d.naviItem||"a")+"/>"))}g=l.children().each(function(n){b(this).click(function(o){i.setPage(n);return o.preventDefault()});if(d.indexed){b(this).text(n)}})}else{g=d.naviItem?l.find(d.naviItem):l.children();g.each(function(n){var o=b(this);o.click(function(p){i.setPage(n);return p.preventDefault()})})}g.eq(0).addClass(d.activeClass)}i.onSeek(function(n){var m=d.activeClass;g.removeClass(m).eq(i.getPageIndex()).addClass(m)});i.onReload(function(){j()});j();var h=g.filter("[href="+location.hash+"]");if(h.length){i.move(g.index(h))}});return d.api?c:this}})(jQuery);