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/*
 * jQuery UI 1.6rc6
 *
 * Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI
 */
;(function($) {

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

//Helper functions and ui object
$.ui = {
	version: "1.6rc6",

	// $.ui.plugin is deprecated.  Use the proxy pattern instead.
	plugin: {
		add: function(module, option, set) {
			var proto = $.ui[module].prototype;
			for(var i in set) {
				proto.plugins[i] = proto.plugins[i] || [];
				proto.plugins[i].push([option, set[i]]);
			}
		},
		call: function(instance, name, args) {
			var set = instance.plugins[name];
			if(!set) { return; }

			for (var i = 0; i < set.length; i++) {
				if (instance.options[set[i][0]]) {
					set[i][1].apply(instance.element, args);
				}
			}
		}
	},

	contains: function(a, b) {
		return document.compareDocumentPosition
			? a.compareDocumentPosition(b) & 16
			: a !== b && a.contains(b);
	},

	cssCache: {},
	css: function(name) {
		if ($.ui.cssCache[name]) { return $.ui.cssCache[name]; }
		var tmp = $('').addClass(name).css({position:'absolute', top:'-5000px', left:'-5000px', display:'block'}).appendTo('body');

		//if (!$.browser.safari)
			//tmp.appendTo('body');

		//Opera and Safari set width and height to 0px instead of auto
		//Safari returns rgba(0,0,0,0) when bgcolor is not set
		$.ui.cssCache[name] = !!(
			(!(/auto|default/).test(tmp.css('cursor')) || (/^[1-9]/).test(tmp.css('height')) || (/^[1-9]/).test(tmp.css('width')) ||
			!(/none/).test(tmp.css('backgroundImage')) || !(/transparent|rgba\(0, 0, 0, 0\)/).test(tmp.css('backgroundColor')))
		);
		try { $('body').get(0).removeChild(tmp.get(0));	} catch(e){}
		return $.ui.cssCache[name];
	},

	hasScroll: function(el, a) {

		//If overflow is hidden, the element might have extra content, but the user wants to hide it
		if ($(el).css('overflow') == 'hidden') { return false; }

		var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop',
			has = false;

		if (el[scroll] > 0) { return true; }

		// TODO: determine which cases actually cause this to happen
		// if the element doesn't have the scroll set, see if it's possible to
		// set the scroll
		el[scroll] = 1;
		has = (el[scroll] > 0);
		el[scroll] = 0;
		return has;
	},

	isOverAxis: function(x, reference, size) {
		//Determines when x coordinate is over "b" element axis
		return (x > reference) && (x < (reference + size));
	},

	isOver: function(y, x, top, left, height, width) {
		//Determines when x, y coordinates is over "b" element
		return $.ui.isOverAxis(y, top, height) && $.ui.isOverAxis(x, left, width);
	},

	keyCode: {
		BACKSPACE: 8,
		CAPS_LOCK: 20,
		COMMA: 188,
		CONTROL: 17,
		DELETE: 46,
		DOWN: 40,
		END: 35,
		ENTER: 13,
		ESCAPE: 27,
		HOME: 36,
		INSERT: 45,
		LEFT: 37,
		NUMPAD_ADD: 107,
		NUMPAD_DECIMAL: 110,
		NUMPAD_DIVIDE: 111,
		NUMPAD_ENTER: 108,
		NUMPAD_MULTIPLY: 106,
		NUMPAD_SUBTRACT: 109,
		PAGE_DOWN: 34,
		PAGE_UP: 33,
		PERIOD: 190,
		RIGHT: 39,
		SHIFT: 16,
		SPACE: 32,
		TAB: 9,
		UP: 38
	}
};

// WAI-ARIA normalization
if (isFF2) {
	var attr = $.attr,
		removeAttr = $.fn.removeAttr,
		ariaNS = "http://www.w3.org/2005/07/aaa",
		ariaState = /^aria-/,
		ariaRole = /^wairole:/;

	$.attr = function(elem, name, value) {
		var set = value !== undefined;

		return (name == 'role'
			? (set
				? attr.call(this, elem, name, "wairole:" + value)
				: (attr.apply(this, arguments) || "").replace(ariaRole, ""))
			: (ariaState.test(name)
				? (set
					? elem.setAttributeNS(ariaNS,
						name.replace(ariaState, "aaa:"), value)
					: attr.call(this, elem, name.replace(ariaState, "aaa:")))
				: attr.apply(this, arguments)));
	};

	$.fn.removeAttr = function(name) {
		return (ariaState.test(name)
			? this.each(function() {
				this.removeAttributeNS(ariaNS, name.replace(ariaState, ""));
			}) : removeAttr.call(this, name));
	};
}

//jQuery plugins
$.fn.extend({
	remove: function() {
		// Safari has a native remove event which actually removes DOM elements,
		// so we have to use triggerHandler instead of trigger (#3037).
		$("*", this).add(this).each(function() {
			$(this).triggerHandler("remove");
		});
		return _remove.apply(this, arguments );
	},

	enableSelection: function() {
		return this
			.attr('unselectable', 'off')
			.css('MozUserSelect', '')
			.unbind('selectstart.ui');
	},

	disableSelection: function() {
		return this
			.attr('unselectable', 'on')
			.css('MozUserSelect', 'none')
			.bind('selectstart.ui', function() { return false; });
	},

	scrollParent: function() {
		var scrollParent;
		if(($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
			scrollParent = this.parents().filter(function() {
				return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
			}).eq(0);
		} else {
			scrollParent = this.parents().filter(function() {
				return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
			}).eq(0);
		}

		return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;
	}
});


//Additional selectors
$.extend($.expr[':'], {
	data: function(elem, i, match) {
		return !!$.data(elem, match[3]);
	},

	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;
					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
		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 = true;
			this._mouseStop(event);
		}

		return false;
	},

	_mouseDistanceMet: function(event) {
		return (Math.max(
				Math.abs(this._mouseDownEvent.pageX - event.pageX),
				Math.abs(this._mouseDownEvent.pageY - event.pageY)
			) >= this.options.distance
		);
	},

	_mouseDelayMet: function(event) {
		return this.mouseDelayMet;
	},

	// These are placeholder methods, to be overriden by extending plugin
	_mouseStart: function(event) {},
	_mouseDrag: function(event) {},
	_mouseStop: function(event) {},
	_mouseCapture: function(event) { return true; }
};

$.ui.mouse.defaults = {
	cancel: null,
	distance: 1,
	delay: 0
};

})(jQuery);
/*
 * jQuery UI Draggable 1.6rc6
 *
 * Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/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.cssNamespace && this.element.addClass(this.options.cssNamespace+"-draggable"));
		(this.options.disabled && this.element.addClass(this.options.cssNamespace+'-draggable-disabled'));

		this._mouseInit();

	},

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

	_mouseCapture: function(event) {

		var o = this.options;

		if (this.helper || o.disabled || $(event.target).is('.'+this.options.cssNamespace+'-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(o.cssNamespace+"-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 && $.browser.mozilla)	//Ugly FF3 fix
		|| (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)
				- ( 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)
				- ( 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)
				+ ( 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)
				+ ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() )
			)
		};

	},

	_clear: function() {
		this.helper.removeClass(this.options.cssNamespace+"-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: "1.6rc6",
	eventPrefix: "drag",
	defaults: {
		appendTo: "parent",
		axis: false,
		cancel: ":input,option",
		connectToSortable: false,
		containment: false,
		cssNamespace: "ui",
		cursor: "default",
		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;
		inst.sortables = [];
		$(o.connectToSortable).each(function() {
			// 'this' points to a string, and should therefore resolved as query, but instead, if the string is assigned to a variable, it loops through the strings properties,
			// so we have to append '' to make it anonymous again
			$(typeof this == 'string' ? this+'': this).each(function() {
				if($.data(this, 'sortable')) {
					var sortable = $.data(this, 'sortable');
					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, inst);
				}
			});
		});

	},
	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");

		$.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, inst);
			}

		});

	},
	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) {

			if(checkPos.call(inst, 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
					this.instance.fromOutside = inst; //Little hack so receive/update callbacks work

				}

				//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;
					this.instance.options.revert = false; //No revert here
					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() {
			$('')
			.css({
				width: this.offsetWidth+"px", height: this.offsetHeight+"px",
				position: "absolute", opacity: "0.001", zIndex: 1000
			})
			.css($(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.absolutePosition.left, x2 = x1 + inst.helperProportions.width,
			y1 = ui.absolutePosition.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 Droppable 1.6rc6
 *
 * Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Droppables
 *
 * Depends:
 *	ui.core.js
 *	ui.draggable.js
 */
(function($) {

$.widget("ui.droppable", {

	_init: function() {

		var o = this.options, accept = o.accept;
		this.isover = 0; this.isout = 1;

		this.options.accept = this.options.accept && $.isFunction(this.options.accept) ? this.options.accept : function(d) {
			return d.is(accept);
		};

		//Store the droppable's proportions
		this.proportions = { width: this.element[0].offsetWidth, height: this.element[0].offsetHeight };

		// Add the reference and positions to the manager
		$.ui.ddmanager.droppables[this.options.scope] = $.ui.ddmanager.droppables[this.options.scope] || [];
		$.ui.ddmanager.droppables[this.options.scope].push(this);

		(this.options.cssNamespace && this.element.addClass(this.options.cssNamespace+"-droppable"));

	},

	destroy: function() {
		var drop = $.ui.ddmanager.droppables[this.options.scope];
		for ( var i = 0; i < drop.length; i++ )
			if ( drop[i] == this )
				drop.splice(i, 1);

		this.element
			.removeClass(this.options.cssNamespace+"-droppable "+this.options.cssNamespace+"-droppable-disabled")
			.removeData("droppable")
			.unbind(".droppable");
	},

	_setData: function(key, value) {

		if(key == 'accept') {
			this.options.accept = value && $.isFunction(value) ? value : function(d) {
				return d.is(accept);
			};
		} else {
			$.widget.prototype._setData.apply(this, arguments);
		}

	},

	_activate: function(event) {
		var draggable = $.ui.ddmanager.current;
		if(this.options.activeClass) this.element.addClass(this.options.activeClass);
		(draggable && this._trigger('activate', event, this.ui(draggable)));
	},

	_deactivate: function(event) {
		var draggable = $.ui.ddmanager.current;
		if(this.options.activeClass) this.element.removeClass(this.options.activeClass);
		(draggable && this._trigger('deactivate', event, this.ui(draggable)));
	},

	_over: function(event) {

		var draggable = $.ui.ddmanager.current;
		if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return; // Bail if draggable and droppable are same element

		if (this.options.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
			if(this.options.hoverClass) this.element.addClass(this.options.hoverClass);
			this._trigger('over', event, this.ui(draggable));
		}

	},

	_out: function(event) {

		var draggable = $.ui.ddmanager.current;
		if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return; // Bail if draggable and droppable are same element

		if (this.options.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
			if(this.options.hoverClass) this.element.removeClass(this.options.hoverClass);
			this._trigger('out', event, this.ui(draggable));
		}

	},

	_drop: function(event,custom) {

		var draggable = custom || $.ui.ddmanager.current;
		if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return false; // Bail if draggable and droppable are same element

		var childrenIntersection = false;
		this.element.find(":data(droppable)").not("."+draggable.options.cssNamespace+"-draggable-dragging").each(function() {
			var inst = $.data(this, 'droppable');
			if(inst.options.greedy && $.ui.intersect(draggable, $.extend(inst, { offset: inst.element.offset() }), inst.options.tolerance)) {
				childrenIntersection = true; return false;
			}
		});
		if(childrenIntersection) return false;

		if(this.options.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
			if(this.options.activeClass) this.element.removeClass(this.options.activeClass);
			if(this.options.hoverClass) this.element.removeClass(this.options.hoverClass);
			this._trigger('drop', event, this.ui(draggable));
			return this.element;
		}

		return false;

	},

	ui: function(c) {
		return {
			draggable: (c.currentItem || c.element),
			helper: c.helper,
			position: c.position,
			absolutePosition: c.positionAbs, //deprecated
			offset: c.positionAbs
		};
	}

});

$.extend($.ui.droppable, {
	version: "1.6rc6",
	eventPrefix: 'drop',
	defaults: {
		accept: '*',
		activeClass: false,
		cssNamespace: 'ui',
		greedy: false,
		hoverClass: false,
		scope: 'default',
		tolerance: 'intersect'
	}
});

$.ui.intersect = function(draggable, droppable, toleranceMode) {

	if (!droppable.offset) return false;

	var x1 = (draggable.positionAbs || draggable.position.absolute).left, x2 = x1 + draggable.helperProportions.width,
		y1 = (draggable.positionAbs || draggable.position.absolute).top, y2 = y1 + draggable.helperProportions.height;
	var l = droppable.offset.left, r = l + droppable.proportions.width,
		t = droppable.offset.top, b = t + droppable.proportions.height;

	switch (toleranceMode) {
		case 'fit':
			return (l < x1 && x2 < r
				&& t < y1 && y2 < b);
			break;
		case 'intersect':
			return (l < x1 + (draggable.helperProportions.width / 2) // Right Half
				&& x2 - (draggable.helperProportions.width / 2) < r // Left Half
				&& t < y1 + (draggable.helperProportions.height / 2) // Bottom Half
				&& y2 - (draggable.helperProportions.height / 2) < b ); // Top Half
			break;
		case 'pointer':
			var draggableLeft = ((draggable.positionAbs || draggable.position.absolute).left + (draggable.clickOffset || draggable.offset.click).left),
				draggableTop = ((draggable.positionAbs || draggable.position.absolute).top + (draggable.clickOffset || draggable.offset.click).top),
				isOver = $.ui.isOver(draggableTop, draggableLeft, t, l, droppable.proportions.height, droppable.proportions.width);
			return isOver;
			break;
		case 'touch':
			return (
					(y1 >= t && y1 <= b) ||	// Top edge touching
					(y2 >= t && y2 <= b) ||	// Bottom edge touching
					(y1 < t && y2 > b)		// Surrounded vertically
				) && (
					(x1 >= l && x1 <= r) ||	// Left edge touching
					(x2 >= l && x2 <= r) ||	// Right edge touching
					(x1 < l && x2 > r)		// Surrounded horizontally
				);
			break;
		default:
			return false;
			break;
		}

};

/*
	This manager tracks offsets of draggables and droppables
*/
$.ui.ddmanager = {
	current: null,
	droppables: { 'default': [] },
	prepareOffsets: function(t, event) {

		var m = $.ui.ddmanager.droppables[t.options.scope];
		var type = event ? event.type : null; // workaround for #2317
		var list = (t.currentItem || t.element).find(":data(droppable)").andSelf();

		droppablesLoop: for (var i = 0; i < m.length; i++) {

			if(m[i].options.disabled || (t && !m[i].options.accept.call(m[i].element[0],(t.currentItem || t.element)))) continue;	//No disabled and non-accepted
			for (var j=0; j < list.length; j++) { if(list[j] == m[i].element[0]) { m[i].proportions.height = 0; continue droppablesLoop; } }; //Filter out elements in the current dragged item
			m[i].visible = m[i].element.css("display") != "none"; if(!m[i].visible) continue; 									//If the element is not visible, continue

			m[i].offset = m[i].element.offset();
			m[i].proportions = { width: m[i].element[0].offsetWidth, height: m[i].element[0].offsetHeight };

			if(type == "mousedown") m[i]._activate.call(m[i], event); //Activate the droppable if used directly from draggables

		}

	},
	drop: function(draggable, event) {

		var dropped = false;
		$.each($.ui.ddmanager.droppables[draggable.options.scope], function() {

			if(!this.options) return;
			if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance))
				dropped = this._drop.call(this, event);

			if (!this.options.disabled && this.visible && this.options.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
				this.isout = 1; this.isover = 0;
				this._deactivate.call(this, event);
			}

		});
		return dropped;

	},
	drag: function(draggable, event) {

		//If you have a highly dynamic page, you might try this option. It renders positions every time you move the mouse.
		if(draggable.options.refreshPositions) $.ui.ddmanager.prepareOffsets(draggable, event);

		//Run through all droppables and check their positions based on specific tolerance options

		$.each($.ui.ddmanager.droppables[draggable.options.scope], function() {

			if(this.options.disabled || this.greedyChild || !this.visible) return;
			var intersects = $.ui.intersect(draggable, this, this.options.tolerance);

			var c = !intersects && this.isover == 1 ? 'isout' : (intersects && this.isover == 0 ? 'isover' : null);
			if(!c) return;

			var parentInstance;
			if (this.options.greedy) {
				var parent = this.element.parents(':data(droppable):eq(0)');
				if (parent.length) {
					parentInstance = $.data(parent[0], 'droppable');
					parentInstance.greedyChild = (c == 'isover' ? 1 : 0);
				}
			}

			// we just moved into a greedy child
			if (parentInstance && c == 'isover') {
				parentInstance['isover'] = 0;
				parentInstance['isout'] = 1;
				parentInstance._out.call(parentInstance, event);
			}

			this[c] = 1; this[c == 'isout' ? 'isover' : 'isout'] = 0;
			this[c == "isover" ? "_over" : "_out"].call(this, event);

			// we just moved out of a greedy child
			if (parentInstance && c == 'isout') {
				parentInstance['isout'] = 0;
				parentInstance['isover'] = 1;
				parentInstance._over.call(parentInstance, event);
			}
		});

	}
};

})(jQuery);
/*
 * jQuery UI Resizable 1.6rc6
 *
 * Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Resizables
 *
 * Depends:
 *	ui.core.js
 */
(function($) {

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

	_init: function() {

		var self = this, o = this.options;
		this.element.addClass("ui-resizable");

		$.extend(this, {
			_aspectRatio: !!(o.aspectRatio),
			aspectRatio: o.aspectRatio,
			originalElement: this.element,
			proportionallyResize: o.proportionallyResize  ? [o.proportionallyResize] : [],
			_helper: o.helper || o.ghost || o.animate ? o.helper || 'ui-resizable-helper' : null
		});

		//Wrap the element if it cannot hold child nodes
		if(this.element[0].nodeName.match(/canvas|textarea|input|select|button|img/i)) {

			//Opera fix for relative positioning
			if (/relative/.test(this.element.css('position')) && $.browser.opera)
				this.element.css({ position: 'relative', top: 'auto', left: 'auto' });

			//Create a wrapper element and set the wrapper to the new current internal element
			this.element.wrap(
				$('').css({
					position: this.element.css('position'),
					width: this.element.outerWidth(),
					height: this.element.outerHeight(),
					top: this.element.css('top'),
					left: this.element.css('left')
				})
			);

			//Overwrite the original this.element
			this.element = this.element.parent();
			this.elementIsWrapper = true;

			//Move margins to the wrapper
			this.element.css({ marginLeft: this.originalElement.css("marginLeft"), marginTop: this.originalElement.css("marginTop"), marginRight: this.originalElement.css("marginRight"), marginBottom: this.originalElement.css("marginBottom") });
			this.originalElement.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 0});

			//Prevent Safari textarea resize
			if ($.browser.safari && o.preventDefault) this.originalElement.css('resize', 'none');

			//Push the actual element to our proportionallyResize internal array
			this.proportionallyResize.push(this.originalElement.css({ position: 'static', zoom: 1, display: 'block' }));

			// avoid IE jump (hard set the margin)
			this.originalElement.css({ margin: this.originalElement.css('margin') });

			// fix handlers offset
			this._proportionallyResize();

		}

		this.handles = o.handles || (!$('.ui-resizable-handle', this.element).length ? "e,s,se" : { n: '.ui-resizable-n', e: '.ui-resizable-e', s: '.ui-resizable-s', w: '.ui-resizable-w', se: '.ui-resizable-se', sw: '.ui-resizable-sw', ne: '.ui-resizable-ne', nw: '.ui-resizable-nw' });
		if(this.handles.constructor == String) {

			if(this.handles == 'all') this.handles = 'n,e,s,w,se,sw,ne,nw';
			var n = this.handles.split(","); this.handles = {};

			for(var i = 0; i < n.length; i++) {

				var handle = $.trim(n[i]), hname = 'ui-resizable-'+handle;
				var axis = $('');

				// increase zIndex of sw, se, ne, nw axis
				//TODO : this modifies original option
				if(/sw|se|ne|nw/.test(handle)) axis.css({ zIndex: ++o.zIndex });

				//TODO : What's going on here?
				if ('se' == handle) {
					axis.addClass('ui-icon ui-icon-gripsmall-diagonal-se');
				};

				//Insert into internal handles object and append to element
				this.handles[handle] = '.ui-resizable-'+handle;
				this.element.append(axis);
			}

		}

		this._renderAxis = function(target) {

			target = target || this.element;

			for(var i in this.handles) {

				if(this.handles[i].constructor == String)
					this.handles[i] = $(this.handles[i], this.element).show();

				if (o.transparent)
					this.handles[i].css({ opacity: 0 });

				//Apply pad to wrapper element, needed to fix axis position (textarea, inputs, scrolls)
				if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/textarea|input|select|button/i)) {

					var axis = $(this.handles[i], this.element), padWrapper = 0;

					//Checking the correct pad and border
					padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();

					//The padding type i have to apply...
					var padPos = [ 'padding',
						/ne|nw|n/.test(i) ? 'Top' :
						/se|sw|s/.test(i) ? 'Bottom' :
						/^e$/.test(i) ? 'Right' : 'Left' ].join("");

					if (!o.transparent)
						target.css(padPos, padWrapper);

					this._proportionallyResize();

				}

				//TODO: What's that good for? There's not anything to be executed left
				if(!$(this.handles[i]).length)
					continue;

			}
		};

		//TODO: make renderAxis a prototype function
		this._renderAxis(this.element);

		this._handles = $('.ui-resizable-handle', this.element);

		if (o.disableSelection)
			this._handles.disableSelection();

		//Matching axis name
		this._handles.mouseover(function() {
			if (!self.resizing) {
				if (this.className)
					var axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);
				//Axis, default = se
				self.axis = axis && axis[1] ? axis[1] : 'se';
			}
		});

		//If we want to auto hide the elements
		if (o.autoHide) {
			this._handles.hide();
			$(this.element)
				.addClass("ui-resizable-autohide")
				.hover(function() {
					$(this).removeClass("ui-resizable-autohide");
					self._handles.show();
				},
				function(){
					if (!self.resizing) {
						$(this).addClass("ui-resizable-autohide");
						self._handles.hide();
					}
				});
		}

		//Initialize the mouse interaction
		this._mouseInit();

	},

	destroy: function() {

		this._mouseDestroy();

		var _destroy = function(exp) {
			$(exp).removeClass("ui-resizable ui-resizable-disabled")
				.removeData("resizable").unbind(".resizable").find('.ui-resizable-handle').remove();
		};

		//TODO: Unwrap at same DOM position
		if (this.elementIsWrapper) {
			_destroy(this.element);
			this.wrapper.parent().append(
				this.originalElement.css({
					position: this.wrapper.css('position'),
					width: this.wrapper.outerWidth(),
					height: this.wrapper.outerHeight(),
					top: this.wrapper.css('top'),
					left: this.wrapper.css('left')
				})
			).end().remove();
		}

		_destroy(this.originalElement);

	},

	_mouseCapture: function(event) {

		var handle = false;
		for(var i in this.handles) {
			if($(this.handles[i])[0] == event.target) handle = true;
		}

		return this.options.disabled || !!handle;

	},

	_mouseStart: function(event) {

		var o = this.options, iniPos = this.element.position(), el = this.element;

		this.resizing = true;
		this.documentScroll = { top: $(document).scrollTop(), left: $(document).scrollLeft() };

		// bugfix for http://dev.jquery.com/ticket/1749
		if (el.is('.ui-draggable') || (/absolute/).test(el.css('position'))) {
			el.css({ position: 'absolute', top: iniPos.top, left: iniPos.left });
		}

		//Opera fixing relative position
		if ($.browser.opera && (/relative/).test(el.css('position')))
			el.css({ position: 'relative', top: 'auto', left: 'auto' });

		this._renderProxy();

		var curleft = num(this.helper.css('left')), curtop = num(this.helper.css('top'));

		if (o.containment) {
			curleft += $(o.containment).scrollLeft() || 0;
			curtop += $(o.containment).scrollTop() || 0;
		}

		//Store needed variables
		this.offset = this.helper.offset();
		this.position = { left: curleft, top: curtop };
		this.size = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
		this.originalSize = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
		this.originalPosition = { left: curleft, top: curtop };
		this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() };
		this.originalMousePosition = { left: event.pageX, top: event.pageY };

		//Aspect Ratio
		this.aspectRatio = (typeof o.aspectRatio == 'number') ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height) || 1);

		if (o.preserveCursor) {
		    var cursor = $('.ui-resizable-' + this.axis).css('cursor');
		    $('body').css('cursor', cursor == 'auto' ? this.axis + '-resize' : cursor);
		}

		this._propagate("start", event);
		return true;
	},

	_mouseDrag: function(event) {

		//Increase performance, avoid regex
		var el = this.helper, o = this.options, props = {},
			self = this, smp = this.originalMousePosition, a = this.axis;

		var dx = (event.pageX-smp.left)||0, dy = (event.pageY-smp.top)||0;
		var trigger = this._change[a];
		if (!trigger) return false;

		// Calculate the attrs that will be change
		var data = trigger.apply(this, [event, dx, dy]), ie6 = $.browser.msie && $.browser.version < 7, csdif = this.sizeDiff;

		if (this._aspectRatio || event.shiftKey)
			data = this._updateRatio(data, event);

		data = this._respectSize(data, event);

		// plugins callbacks need to be called first
		this._propagate("resize", event);

		el.css({
			top: this.position.top + "px", left: this.position.left + "px",
			width: this.size.width + "px", height: this.size.height + "px"
		});

		if (!this._helper && this.proportionallyResize.length)
			this._proportionallyResize();

		this._updateCache(data);

		// calling the user callback at the end
		this._trigger('resize', event, this.ui());

		return false;
	},

	_mouseStop: function(event) {

		this.resizing = false;
		var o = this.options, self = this;

		if(this._helper) {
			var pr = this.proportionallyResize, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
						soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
							soffsetw = ista ? 0 : self.sizeDiff.width;

			var s = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
				left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
				top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;

			if (!o.animate)
				this.element.css($.extend(s, { top: top, left: left }));

			if (this._helper && !o.animate) this._proportionallyResize();
		}

		if (o.preserveCursor)
			$('body').css('cursor', 'auto');

		this._propagate("stop", event);

		if (this._helper) this.helper.remove();
		return false;

	},

	_updateCache: function(data) {
		var o = this.options;
		this.offset = this.helper.offset();
		if (data.left) this.position.left = data.left;
		if (data.top) this.position.top = data.top;
		if (data.height) this.size.height = data.height;
		if (data.width) this.size.width = data.width;
	},

	_updateRatio: function(data, event) {

		var o = this.options, cpos = this.position, csize = this.size, a = this.axis;

		if (data.height) data.width = (csize.height * this.aspectRatio);
		else if (data.width) data.height = (csize.width / this.aspectRatio);

		if (a == 'sw') {
			data.left = cpos.left + (csize.width - data.width);
			data.top = null;
		}
		if (a == 'nw') {
			data.top = cpos.top + (csize.height - data.height);
			data.left = cpos.left + (csize.width - data.width);
		}

		return data;
	},

	_respectSize: function(data, event) {

		var isNumber = function(value) {
			return !isNaN(parseInt(value, 10))
		};

		var el = this.helper, o = this.options, pRatio = this._aspectRatio || event.shiftKey, a = this.axis,
				ismaxw = isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width), ismaxh = isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height),
					isminw = isNumber(data.width) && o.minWidth && (o.minWidth > data.width), isminh = isNumber(data.height) && o.minHeight && (o.minHeight > data.height);

		if (isminw) data.width = o.minWidth;
		if (isminh) data.height = o.minHeight;
		if (ismaxw) data.width = o.maxWidth;
		if (ismaxh) data.height = o.maxHeight;

		var dw = this.originalPosition.left + this.originalSize.width, dh = this.position.top + this.size.height;
		var cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a);

		if (isminw && cw) data.left = dw - o.minWidth;
		if (ismaxw && cw) data.left = dw - o.maxWidth;
		if (isminh && ch)	data.top = dh - o.minHeight;
		if (ismaxh && ch)	data.top = dh - o.maxHeight;

		// fixing jump error on top/left - bug #2330
		var isNotwh = !data.width && !data.height;
		if (isNotwh && !data.left && data.top) data.top = null;
		else if (isNotwh && !data.top && data.left) data.left = null;

		return data;
	},

	_proportionallyResize: function() {

		var o = this.options;
		if (!this.proportionallyResize.length) return;
		var element = this.helper || this.element;

		for (var i=0; i < this.proportionallyResize.length; i++) {

			var prel = this.proportionallyResize[i];

			if (!this.borderDif) {
				var b = [prel.css('borderTopWidth'), prel.css('borderRightWidth'), prel.css('borderBottomWidth'), prel.css('borderLeftWidth')],
					p = [prel.css('paddingTop'), prel.css('paddingRight'), prel.css('paddingBottom'), prel.css('paddingLeft')];

				this.borderDif = $.map(b, function(v, i) {
					var border = parseInt(v,10)||0, padding = parseInt(p[i],10)||0;
					return border + padding;
				});
			}

			if ($.browser.msie && !(!($(element).is(':hidden') || $(element).parents(':hidden').length)))
				continue;

			prel.css({
				height: (element.height() - this.borderDif[0] - this.borderDif[2]) || 0,
				width: (element.width() - this.borderDif[1] - this.borderDif[3]) || 0
			});

		};

	},

	_renderProxy: function() {

		var el = this.element, o = this.options;
		this.elementOffset = el.offset();

		if(this._helper) {

			this.helper = this.helper || $('');

			// fix ie6 offset TODO: This seems broken
			var ie6 = $.browser.msie && $.browser.version < 7, ie6offset = (ie6 ? 1 : 0),
			pxyoffset = ( ie6 ? 2 : -1 );

			this.helper.addClass(this._helper).css({
				width: this.element.outerWidth() + pxyoffset,
				height: this.element.outerHeight() + pxyoffset,
				position: 'absolute',
				left: this.elementOffset.left - ie6offset +'px',
				top: this.elementOffset.top - ie6offset +'px',
				zIndex: ++o.zIndex //TODO: Don't modify option
			});

			this.helper.appendTo("body");

			if (o.disableSelection)
				this.helper.disableSelection();

		} else {
			this.helper = this.element;
		}

	},

	_change: {
		e: function(event, dx, dy) {
			return { width: this.originalSize.width + dx };
		},
		w: function(event, dx, dy) {
			var o = this.options, cs = this.originalSize, sp = this.originalPosition;
			return { left: sp.left + dx, width: cs.width - dx };
		},
		n: function(event, dx, dy) {
			var o = this.options, cs = this.originalSize, sp = this.originalPosition;
			return { top: sp.top + dy, height: cs.height - dy };
		},
		s: function(event, dx, dy) {
			return { height: this.originalSize.height + dy };
		},
		se: function(event, dx, dy) {
			return $.extend(this._change.s.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
		},
		sw: function(event, dx, dy) {
			return $.extend(this._change.s.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
		},
		ne: function(event, dx, dy) {
			return $.extend(this._change.n.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
		},
		nw: function(event, dx, dy) {
			return $.extend(this._change.n.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
		}
	},

	_propagate: function(n, event) {
		$.ui.plugin.call(this, n, [event, this.ui()]);
		(n != "resize" && this._trigger(n, event, this.ui()));
	},

	plugins: {},

	ui: function() {
		return {
			originalElement: this.originalElement,
			element: this.element,
			helper: this.helper,
			position: this.position,
			size: this.size,
			originalSize: this.originalSize,
			originalPosition: this.originalPosition
		};
	}

}));

$.extend($.ui.resizable, {
	version: "1.6rc6",
	eventPrefix: "resize",
	defaults: {
		alsoResize: false,
		animate: false,
		animateDuration: "slow",
		animateEasing: "swing",
		aspectRatio: false,
		autoHide: false,
		cancel: ":input,option",
		containment: false,
		delay: 0,
		disableSelection: true,
		distance: 1,
		ghost: false,
		grid: false,
		handles: "e,s,se",
		helper: false,
		maxHeight: null,
		maxWidth: null,
		minHeight: 10,
		minWidth: 10,
		preserveCursor: true,
		preventDefault: true,
		proportionallyResize: false,
		transparent: false,
		zIndex: 1000
	}
});

/*
 * Resizable Extensions
 */

$.ui.plugin.add("resizable", "alsoResize", {

	start: function(event, ui) {

		var self = $(this).data("resizable"), o = self.options;

		_store = function(exp) {
			$(exp).each(function() {
				$(this).data("resizable-alsoresize", {
					width: parseInt($(this).width(), 10), height: parseInt($(this).height(), 10),
					left: parseInt($(this).css('left'), 10), top: parseInt($(this).css('top'), 10)
				});
			});
		};

		if (typeof(o.alsoResize) == 'object' && !o.alsoResize.parentNode) {
			if (o.alsoResize.length) { o.alsoResize = o.alsoResize[0];	_store(o.alsoResize); }
			else { $.each(o.alsoResize, function(exp, c) { _store(exp); }); }
		}else{
			_store(o.alsoResize);
		}
	},

	resize: function(event, ui){
		var self = $(this).data("resizable"), o = self.options, os = self.originalSize, op = self.originalPosition;

		var delta = {
			height: (self.size.height - os.height) || 0, width: (self.size.width - os.width) || 0,
			top: (self.position.top - op.top) || 0, left: (self.position.left - op.left) || 0
		},

		_alsoResize = function(exp, c) {
			$(exp).each(function() {
				var el = $(this), start = $(this).data("resizable-alsoresize"), style = {}, css = c && c.length ? c : ['width', 'height', 'top', 'left'];

				$.each(css || ['width', 'height', 'top', 'left'], function(i, prop) {
					var sum = (start[prop]||0) + (delta[prop]||0);
					if (sum && sum >= 0)
						style[prop] = sum || null;
				});

				//Opera fixing relative position
				if (/relative/.test(el.css('position')) && $.browser.opera) {
					self._revertToRelativePosition = true;
					el.css({ position: 'absolute', top: 'auto', left: 'auto' });
				}

				el.css(style);
			});
		};

		if (typeof(o.alsoResize) == 'object' && !o.alsoResize.nodeType) {
			$.each(o.alsoResize, function(exp, c) { _alsoResize(exp, c); });
		}else{
			_alsoResize(o.alsoResize);
		}
	},

	stop: function(event, ui){
		var self = $(this).data("resizable");

		//Opera fixing relative position
		if (self._revertToRelativePosition && $.browser.opera) {
			self._revertToRelativePosition = false;
			el.css({ position: 'relative' });
		}

		$(this).removeData("resizable-alsoresize-start");
	}
});

$.ui.plugin.add("resizable", "animate", {

	stop: function(event, ui) {
		var self = $(this).data("resizable"), o = self.options;

		var pr = o.proportionallyResize, ista = pr && (/textarea/i).test(pr.get(0).nodeName),
						soffseth = ista && $.ui.hasScroll(pr.get(0), 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
							soffsetw = ista ? 0 : self.sizeDiff.width;

		var style = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
					left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
						top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;

		self.element.animate(
			$.extend(style, top && left ? { top: top, left: left } : {}), {
				duration: o.animateDuration,
				easing: o.animateEasing,
				step: function() {

					var data = {
						width: parseInt(self.element.css('width'), 10),
						height: parseInt(self.element.css('height'), 10),
						top: parseInt(self.element.css('top'), 10),
						left: parseInt(self.element.css('left'), 10)
					};

					if (pr) pr.css({ width: data.width, height: data.height });

					// propagating resize, and updating values for each animation step
					self._updateCache(data);
					self._propagate("resize", event);

				}
			}
		);
	}

});

$.ui.plugin.add("resizable", "containment", {

	start: function(event, ui) {
		var self = $(this).data("resizable"), o = self.options, el = self.element;
		var oc = o.containment,	ce = (oc instanceof $) ? oc.get(0) : (/parent/.test(oc)) ? el.parent().get(0) : oc;
		if (!ce) return;

		self.containerElement = $(ce);

		if (/document/.test(oc) || oc == document) {
			self.containerOffset = { left: 0, top: 0 };
			self.containerPosition = { left: 0, top: 0 };

			self.parentData = {
				element: $(document), left: 0, top: 0,
				width: $(document).width(), height: $(document).height() || document.body.parentNode.scrollHeight
			};
		}

		// i'm a node, so compute top, left, right, bottom
		else {
			var element = $(ce), p = [];
			$([ "Top", "Right", "Left", "Bottom" ]).each(function(i, name) { p[i] = num(element.css("padding" + name)); });

			self.containerOffset = element.offset();
			self.containerPosition = element.position();
			self.containerSize = { height: (element.innerHeight() - p[3]), width: (element.innerWidth() - p[1]) };

			var co = self.containerOffset, ch = self.containerSize.height,	cw = self.containerSize.width,
						width = ($.ui.hasScroll(ce, "left") ? ce.scrollWidth : cw ), height = ($.ui.hasScroll(ce) ? ce.scrollHeight : ch);

			self.parentData = {
				element: ce, left: co.left, top: co.top, width: width, height: height
			};
		}
	},

	resize: function(event, ui) {
		var self = $(this).data("resizable"), o = self.options,
				ps = self.containerSize, co = self.containerOffset, cs = self.size, cp = self.position,
				pRatio = o._aspectRatio || event.shiftKey, cop = { top:0, left:0 }, ce = self.containerElement;

		if (ce[0] != document && (/static/).test(ce.css('position'))) cop = co;

		if (cp.left < (self._helper ? co.left : 0)) {
			self.size.width = self.size.width + (self._helper ? (self.position.left - co.left) : (self.position.left - cop.left));
			if (pRatio) self.size.height = self.size.width / o.aspectRatio;
			self.position.left = o.helper ? co.left : 0;
		}

		if (cp.top < (self._helper ? co.top : 0)) {
			self.size.height = self.size.height + (self._helper ? (self.position.top - co.top) : self.position.top);
			if (pRatio) self.size.width = self.size.height * o.aspectRatio;
			self.position.top = self._helper ? co.top : 0;
		}

		var woset = Math.abs( (self._helper ? self.offset.left - cop.left : (self.offset.left - cop.left)) + self.sizeDiff.width ),
					hoset = Math.abs( (self._helper ? self.offset.top - cop.top : (self.offset.top - co.top)) + self.sizeDiff.height );

		if (woset + self.size.width >= self.parentData.width) {
			self.size.width = self.parentData.width - woset;
			if (pRatio) self.size.height = self.size.width / o.aspectRatio;
		}

		if (hoset + self.size.height >= self.parentData.height) {
			self.size.height = self.parentData.height - hoset;
			if (pRatio) self.size.width = self.size.height * o.aspectRatio;
		}
	},

	stop: function(event, ui){
		var self = $(this).data("resizable"), o = self.options, cp = self.position,
				co = self.containerOffset, cop = self.containerPosition, ce = self.containerElement;

		var helper = $(self.helper), ho = helper.offset(), w = helper.outerWidth() - self.sizeDiff.width, h = helper.outerHeight() - self.sizeDiff.height;

		if (self._helper && !o.animate && (/relative/).test(ce.css('position')))
			$(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });

		if (self._helper && !o.animate && (/static/).test(ce.css('position')))
			$(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });

	}
});

$.ui.plugin.add("resizable", "ghost", {

	start: function(event, ui) {

		var self = $(this).data("resizable"), o = self.options, pr = o.proportionallyResize, cs = self.size;

		self.ghost = self.originalElement.clone();
		self.ghost
			.css({ opacity: .25, display: 'block', position: 'relative', height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 })
			.addClass('ui-resizable-ghost')
			.addClass(typeof o.ghost == 'string' ? o.ghost : '');

		self.ghost.appendTo(self.helper);

	},

	resize: function(event, ui){
		var self = $(this).data("resizable"), o = self.options;
		if (self.ghost) self.ghost.css({ position: 'relative', height: self.size.height, width: self.size.width });
	},

	stop: function(event, ui){
		var self = $(this).data("resizable"), o = self.options;
		if (self.ghost && self.helper) self.helper.get(0).removeChild(self.ghost.get(0));
	}

});

$.ui.plugin.add("resizable", "grid", {

	resize: function(event, ui) {
		var self = $(this).data("resizable"), o = self.options, cs = self.size, os = self.originalSize, op = self.originalPosition, a = self.axis, ratio = o._aspectRatio || event.shiftKey;
		o.grid = typeof o.grid == "number" ? [o.grid, o.grid] : o.grid;
		var ox = Math.round((cs.width - os.width) / (o.grid[0]||1)) * (o.grid[0]||1), oy = Math.round((cs.height - os.height) / (o.grid[1]||1)) * (o.grid[1]||1);

		if (/^(se|s|e)$/.test(a)) {
			self.size.width = os.width + ox;
			self.size.height = os.height + oy;
		}
		else if (/^(ne)$/.test(a)) {
			self.size.width = os.width + ox;
			self.size.height = os.height + oy;
			self.position.top = op.top - oy;
		}
		else if (/^(sw)$/.test(a)) {
			self.size.width = os.width + ox;
			self.size.height = os.height + oy;
			self.position.left = op.left - ox;
		}
		else {
			self.size.width = os.width + ox;
			self.size.height = os.height + oy;
			self.position.top = op.top - oy;
			self.position.left = op.left - ox;
		}
	}

});

var num = function(v) {
	return parseInt(v, 10) || 0;
};

})(jQuery);
/*
 * jQuery UI Selectable 1.6rc6
 *
 * Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Selectables
 *
 * Depends:
 *	ui.core.js
 */
(function($) {

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

	_init: function() {
		var self = this;

		this.element.addClass("ui-selectable");

		this.dragged = false;

		// cache selectee children based on filter
		var selectees;
		this.refresh = function() {
			selectees = $(self.options.filter, self.element[0]);
			selectees.each(function() {
				var $this = $(this);
				var pos = $this.offset();
				$.data(this, "selectable-item", {
					element: this,
					$element: $this,
					left: pos.left,
					top: pos.top,
					right: pos.left + $this.outerWidth(),
					bottom: pos.top + $this.outerHeight(),
					startselected: false,
					selected: $this.hasClass('ui-selected'),
					selecting: $this.hasClass('ui-selecting'),
					unselecting: $this.hasClass('ui-unselecting')
				});
			});
		};
		this.refresh();

		this.selectees = selectees.addClass("ui-selectee");

		this._mouseInit();

		this.helper = $(document.createElement('div'))
			.css({border:'1px dotted black'})
			.addClass("ui-selectable-helper");
	},

	destroy: function() {
		this.element
			.removeClass("ui-selectable ui-selectable-disabled")
			.removeData("selectable")
			.unbind(".selectable");
		this._mouseDestroy();
	},

	_mouseStart: function(event) {
		var self = this;

		this.opos = [event.pageX, event.pageY];

		if (this.options.disabled)
			return;

		var options = this.options;

		this.selectees = $(options.filter, this.element[0]);

		this._trigger("start", event);

		$('body').append(this.helper);
		// position helper (lasso)
		this.helper.css({
			"z-index": 100,
			"position": "absolute",
			"left": event.clientX,
			"top": event.clientY,
			"width": 0,
			"height": 0
		});

		if (options.autoRefresh) {
			this.refresh();
		}

		this.selectees.filter('.ui-selected').each(function() {
			var selectee = $.data(this, "selectable-item");
			selectee.startselected = true;
			if (!event.metaKey) {
				selectee.$element.removeClass('ui-selected');
				selectee.selected = false;
				selectee.$element.addClass('ui-unselecting');
				selectee.unselecting = true;
				// selectable UNSELECTING callback
				self._trigger("unselecting", event, {
					unselecting: selectee.element
				});
			}
		});

		$(event.target).parents().andSelf().each(function() {
			var selectee = $.data(this, "selectable-item");
			if (selectee) {
				selectee.$element.removeClass("ui-unselecting").addClass('ui-selecting');
				selectee.unselecting = false;
				selectee.selecting = true;
				selectee.selected = true;
				// selectable SELECTING callback
				self._trigger("selecting", event, {
					selecting: selectee.element
				});
				return false;
			}
		});

	},

	_mouseDrag: function(event) {
		var self = this;
		this.dragged = true;

		if (this.options.disabled)
			return;

		var options = this.options;

		var x1 = this.opos[0], y1 = this.opos[1], x2 = event.pageX, y2 = event.pageY;
		if (x1 > x2) { var tmp = x2; x2 = x1; x1 = tmp; }
		if (y1 > y2) { var tmp = y2; y2 = y1; y1 = tmp; }
		this.helper.css({left: x1, top: y1, width: x2-x1, height: y2-y1});

		this.selectees.each(function() {
			var selectee = $.data(this, "selectable-item");
			//prevent helper from being selected if appendTo: selectable
			if (!selectee || selectee.element == self.element[0])
				return;
			var hit = false;
			if (options.tolerance == 'touch') {
				hit = ( !(selectee.left > x2 || selectee.right < x1 || selectee.top > y2 || selectee.bottom < y1) );
			} else if (options.tolerance == 'fit') {
				hit = (selectee.left > x1 && selectee.right < x2 && selectee.top > y1 && selectee.bottom < y2);
			}

			if (hit) {
				// SELECT
				if (selectee.selected) {
					selectee.$element.removeClass('ui-selected');
					selectee.selected = false;
				}
				if (selectee.unselecting) {
					selectee.$element.removeClass('ui-unselecting');
					selectee.unselecting = false;
				}
				if (!selectee.selecting) {
					selectee.$element.addClass('ui-selecting');
					selectee.selecting = true;
					// selectable SELECTING callback
					self._trigger("selecting", event, {
						selecting: selectee.element
					});
				}
			} else {
				// UNSELECT
				if (selectee.selecting) {
					if (event.metaKey && selectee.startselected) {
						selectee.$element.removeClass('ui-selecting');
						selectee.selecting = false;
						selectee.$element.addClass('ui-selected');
						selectee.selected = true;
					} else {
						selectee.$element.removeClass('ui-selecting');
						selectee.selecting = false;
						if (selectee.startselected) {
							selectee.$element.addClass('ui-unselecting');
							selectee.unselecting = true;
						}
						// selectable UNSELECTING callback
						self._trigger("unselecting", event, {
							unselecting: selectee.element
						});
					}
				}
				if (selectee.selected) {
					if (!event.metaKey && !selectee.startselected) {
						selectee.$element.removeClass('ui-selected');
						selectee.selected = false;

						selectee.$element.addClass('ui-unselecting');
						selectee.unselecting = true;
						// selectable UNSELECTING callback
						self._trigger("unselecting", event, {
							unselecting: selectee.element
						});
					}
				}
			}
		});

		return false;
	},

	_mouseStop: function(event) {
		var self = this;

		this.dragged = false;

		var options = this.options;

		$('.ui-unselecting', this.element[0]).each(function() {
			var selectee = $.data(this, "selectable-item");
			selectee.$element.removeClass('ui-unselecting');
			selectee.unselecting = false;
			selectee.startselected = false;
			self._trigger("unselected", event, {
				unselected: selectee.element
			});
		});
		$('.ui-selecting', this.element[0]).each(function() {
			var selectee = $.data(this, "selectable-item");
			selectee.$element.removeClass('ui-selecting').addClass('ui-selected');
			selectee.selecting = false;
			selectee.selected = true;
			selectee.startselected = true;
			self._trigger("selected", event, {
				selected: selectee.element
			});
		});
		this._trigger("stop", event);

		this.helper.remove();

		return false;
	}

}));

$.extend($.ui.selectable, {
	version: "1.6rc6",
	defaults: {
		appendTo: 'body',
		autoRefresh: true,
		cancel: ":input,option",
		delay: 0,
		distance: 0,
		filter: '*',
		tolerance: 'touch'
	}
});

})(jQuery);
/*
 * jQuery UI Sortable 1.6rc6
 *
 * Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Sortables
 *
 * Depends:
 *	ui.core.js
 */
(function($) {

$.widget("ui.sortable", $.extend({}, $.ui.mouse, {
	_init: function() {

		var o = this.options;
		this.containerCache = {};
		(this.options.cssNamespace && this.element.addClass(this.options.cssNamespace+"-sortable"));

		//Get the items
		this.refresh();

		//Let's determine if the items are floating
		this.floating = this.items.length ? (/left|right/).test(this.items[0].item.css('float')) : false;

		//Let's determine the parent's offset
		this.offset = this.element.offset();

		//Initialize mouse events for interaction
		this._mouseInit();

	},

	destroy: function() {
		this.element
			.removeClass(this.options.cssNamespace+"-sortable "+this.options.cssNamespace+"-sortable-disabled")
			.removeData("sortable")
			.unbind(".sortable");
		this._mouseDestroy();

		for ( var i = this.items.length - 1; i >= 0; i-- )
			this.items[i].item.removeData("sortable-item");
	},

	_mouseCapture: function(event, overrideHandle) {

		if (this.reverting) {
			return false;
		}

		if(this.options.disabled || this.options.type == 'static') return false;

		//We have to refresh the items data once first
		this._refreshItems(event);

		//Find out if the clicked node (or one of its parents) is a actual item in this.items
		var currentItem = null, self = this, nodes = $(event.target).parents().each(function() {
			if($.data(this, 'sortable-item') == self) {
				currentItem = $(this);
				return false;
			}
		});
		if($.data(event.target, 'sortable-item') == self) currentItem = $(event.target);

		if(!currentItem) return false;
		if(this.options.handle && !overrideHandle) {
			var validHandle = false;

			$(this.options.handle, currentItem).find("*").andSelf().each(function() { if(this == event.target) validHandle = true; });
			if(!validHandle) return false;
		}

		this.currentItem = currentItem;
		this._removeCurrentsFromItems();
		return true;

	},

	_mouseStart: function(event, overrideHandle, noActivation) {

		var o = this.options, self = this;
		this.currentContainer = this;

		//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
		this.refreshPositions();

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

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

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

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

		//Get the next scrolling parent
		this.scrollParent = this.helper.scrollParent();

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

		// Only after we got the offset, we can change the helper's position to absolute
		// TODO: Still need to figure out a way to make relative sorting possible
		this.helper.css("position", "absolute");
		this.cssPosition = this.helper.css("position");

		$.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);

		//Cache the former DOM position
		this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] };

		//If the helper is not the original, hide the original so it's not playing any role during the drag, won't cause anything bad this way
		if(this.helper[0] != this.currentItem[0]) {
			this.currentItem.hide();
		}

		//Create the placeholder
		this._createPlaceholder();

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

		if(o.cursor) { // cursor option
			if ($('body').css("cursor")) this._storedCursor = $('body').css("cursor");
			$('body').css("cursor", o.cursor);
		}

		if(o.opacity) { // opacity option
			if (this.helper.css("opacity")) this._storedOpacity = this.helper.css("opacity");
			this.helper.css("opacity", o.opacity);
		}

		if(o.zIndex) { // zIndex option
			if (this.helper.css("zIndex")) this._storedZIndex = this.helper.css("zIndex");
			this.helper.css("zIndex", o.zIndex);
		}

		//Prepare scrolling
		if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML')
			this.overflowOffset = this.scrollParent.offset();

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

		//Recache the helper size
		if(!this._preserveHelperProportions)
			this._cacheHelperProportions();


		//Post 'activate' events to possible containers
		if(!noActivation) {
			 for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i]._trigger("activate", event, self._uiHash(this)); }
		}

		//Prepare possible droppables
		if($.ui.ddmanager)
			$.ui.ddmanager.current = this;

		if ($.ui.ddmanager && !o.dropBehaviour)
			$.ui.ddmanager.prepareOffsets(this, event);

		this.dragging = true;

		this.helper.addClass(o.cssNamespace+'-sortable-helper');
		this._mouseDrag(event); //Execute the drag once - this causes the helper not to be visible before getting its correct position
		return true;

	},

	_mouseDrag: function(event) {

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

		if (!this.lastPositionAbs) {
			this.lastPositionAbs = this.positionAbs;
		}

		//Do scrolling
		if(this.options.scroll) {
			var o = this.options, scrolled = false;
			if(this.scrollParent[0] != document && this.scrollParent[0].tagName != 'HTML') {

				if((this.overflowOffset.top + this.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity)
					this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop + o.scrollSpeed;
				else if(event.pageY - this.overflowOffset.top < o.scrollSensitivity)
					this.scrollParent[0].scrollTop = scrolled = this.scrollParent[0].scrollTop - o.scrollSpeed;

				if((this.overflowOffset.left + this.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity)
					this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft + o.scrollSpeed;
				else if(event.pageX - this.overflowOffset.left < o.scrollSensitivity)
					this.scrollParent[0].scrollLeft = scrolled = this.scrollParent[0].scrollLeft - o.scrollSpeed;

			} else {

				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(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(this, event);
		}

		//Regenerate the absolute position used for position checks
		this.positionAbs = this._convertPositionTo("absolute");

		//Set the helper 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';

		//Rearrange
		for (var i = this.items.length - 1; i >= 0; i--) {

			//Cache variables and intersection, continue if no intersection
			var item = this.items[i], itemElement = item.item[0], intersection = this._intersectsWithPointer(item);
			if (!intersection) continue;

			if(itemElement != this.currentItem[0] //cannot intersect with itself
				&&	this.placeholder[intersection == 1 ? "next" : "prev"]()[0] != itemElement //no useless actions that have been done before
				&&	!$.ui.contains(this.placeholder[0], itemElement) //no action if the item moved is the parent of the item checked
				&& (this.options.type == 'semi-dynamic' ? !$.ui.contains(this.element[0], itemElement) : true)
			) {

				this.direction = intersection == 1 ? "down" : "up";

				if (this.options.tolerance == "pointer" || this._intersectsWithSides(item)) {
					this.options.sortIndicator.call(this, event, item);
				} else {
					break;
				}

				this._trigger("change", event, this._uiHash());
				break;
			}
		}

		//Post events to containers
		this._contactContainers(event);

		//Interconnect with droppables
		if($.ui.ddmanager) $.ui.ddmanager.drag(this, event);

		//Call callbacks
		this._trigger('sort', event, this._uiHash());

		this.lastPositionAbs = this.positionAbs;
		return false;

	},

	_mouseStop: function(event, noPropagation) {

		if(!event) return;

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

		if(this.options.revert) {
			var self = this;
			var cur = self.placeholder.offset();

			self.reverting = true;

			$(this.helper).animate({
				left: cur.left - this.offset.parent.left - self.margins.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft),
				top: cur.top - this.offset.parent.top - self.margins.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop)
			}, parseInt(this.options.revert, 10) || 500, function() {
				self._clear(event);
			});
		} else {
			this._clear(event, noPropagation);
		}

		return false;

	},

	cancel: function() {

		var self = this;

		if(this.dragging) {

			this._mouseUp();

			if(this.options.helper == "original")
				this.currentItem.css(this._storedCSS).removeClass(this.options.cssNamespace+"-sortable-helper");
			else
				this.currentItem.show();

			//Post deactivating events to containers
			for (var i = this.containers.length - 1; i >= 0; i--){
				this.containers[i]._trigger("deactivate", null, self._uiHash(this));
				if(this.containers[i].containerCache.over) {
					this.containers[i]._trigger("out", null, self._uiHash(this));
					this.containers[i].containerCache.over = 0;
				}
			}

		}

		//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
		if(this.placeholder[0].parentNode) this.placeholder[0].parentNode.removeChild(this.placeholder[0]);
		if(this.options.helper != "original" && this.helper && this.helper[0].parentNode) this.helper.remove();

		$.extend(this, {
			helper: null,
			dragging: false,
			reverting: false,
			_noFinalSort: null
		});

		if(this.domPosition.prev) {
			$(this.domPosition.prev).after(this.currentItem);
		} else {
			$(this.domPosition.parent).prepend(this.currentItem);
		}

		return true;

	},

	serialize: function(o) {

		var items = this._getItemsAsjQuery(o && o.connected);
		var str = []; o = o || {};

		$(items).each(function() {
			var res = ($(o.item || this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/));
			if(res) str.push((o.key || res[1]+'[]')+'='+(o.key && o.expression ? res[1] : res[2]));
		});

		return str.join('&');

	},

	toArray: function(o) {

		var items = this._getItemsAsjQuery(o && o.connected);
		var ret = []; o = o || {};

		items.each(function() { ret.push($(o.item || this).attr(o.attribute || 'id') || ''); });
		return ret;

	},

	/* Be careful with the following core functions */
	_intersectsWith: function(item) {

		var x1 = this.positionAbs.left,
			x2 = x1 + this.helperProportions.width,
			y1 = this.positionAbs.top,
			y2 = y1 + this.helperProportions.height;

		var l = item.left,
			r = l + item.width,
			t = item.top,
			b = t + item.height;

		var dyClick = this.offset.click.top,
			dxClick = this.offset.click.left;

		var isOverElement = (y1 + dyClick) > t && (y1 + dyClick) < b && (x1 + dxClick) > l && (x1 + dxClick) < r;

		if(	   this.options.tolerance == "pointer"
			|| this.options.forcePointerForContainers
			|| (this.options.tolerance != "pointer" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])
		) {
			return isOverElement;
		} else {

			return (l < x1 + (this.helperProportions.width / 2) // Right Half
				&& x2 - (this.helperProportions.width / 2) < r // Left Half
				&& t < y1 + (this.helperProportions.height / 2) // Bottom Half
				&& y2 - (this.helperProportions.height / 2) < b ); // Top Half

		}
	},

	_intersectsWithPointer: function(item) {

		var isOverElementHeight = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top, item.height),
			isOverElementWidth = $.ui.isOverAxis(this.positionAbs.left + this.offset.click.left, item.left, item.width),
			isOverElement = isOverElementHeight && isOverElementWidth,
			verticalDirection = this._getDragVerticalDirection(),
			horizontalDirection = this._getDragHorizontalDirection();

		if (!isOverElement)
			return false;

		return this.floating ?
			( ((horizontalDirection && horizontalDirection == "right") || verticalDirection == "down") ? 2 : 1 )
			: ( verticalDirection && (verticalDirection == "down" ? 2 : 1) );

	},

	_intersectsWithSides: function(item) {

		var isOverBottomHalf = $.ui.isOverAxis(this.positionAbs.top + this.offset.click.top, item.top + (item.height/2), item.height),
			isOverRightHalf = $.ui.isOverAxis(this.positionAbs.left + this.offset.click.left, item.left + (item.width/2), item.width),
			verticalDirection = this._getDragVerticalDirection(),
			horizontalDirection = this._getDragHorizontalDirection();

		if (this.floating && horizontalDirection) {
			return ((horizontalDirection == "right" && isOverRightHalf) || (horizontalDirection == "left" && !isOverRightHalf));
		} else {
			return verticalDirection && ((verticalDirection == "down" && isOverBottomHalf) || (verticalDirection == "up" && !isOverBottomHalf));
		}

	},

	_getDragVerticalDirection: function() {
		var delta = this.positionAbs.top - this.lastPositionAbs.top;
		return delta != 0 && (delta > 0 ? "down" : "up");
	},

	_getDragHorizontalDirection: function() {
		var delta = this.positionAbs.left - this.lastPositionAbs.left;
		return delta != 0 && (delta > 0 ? "right" : "left");
	},

	refresh: function(event) {
		this._refreshItems(event);
		this.refreshPositions();
	},

	_getItemsAsjQuery: function(connected) {

		var self = this;
		var items = [];
		var queries = [];

		if(this.options.connectWith && connected) {
			var connectWith = this.options.connectWith.constructor == String ? [this.options.connectWith] : this.options.connectWith;
			for (var i = connectWith.length - 1; i >= 0; i--){
				var cur = $(connectWith[i]);
				for (var j = cur.length - 1; j >= 0; j--){
					var inst = $.data(cur[j], 'sortable');
					if(inst && inst != this && !inst.options.disabled) {
						queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element).not("."+inst.options.cssNamespace+"-sortable-helper"), inst]);
					}
				};
			};
		}

		queries.push([$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element).not("."+this.options.cssNamespace+"-sortable-helper"), this]);

		for (var i = queries.length - 1; i >= 0; i--){
			queries[i][0].each(function() {
				items.push(this);
			});
		};

		return $(items);

	},

	_removeCurrentsFromItems: function() {

		var list = this.currentItem.find(":data(sortable-item)");

		for (var i=0; i < this.items.length; i++) {

			for (var j=0; j < list.length; j++) {
				if(list[j] == this.items[i].item[0])
					this.items.splice(i,1);
			};

		};

	},

	_refreshItems: function(event) {

		this.items = [];
		this.containers = [this];
		var items = this.items;
		var self = this;
		var queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element[0], event, { item: this.currentItem }) : $(this.options.items, this.element), this]];

		if(this.options.connectWith) {
			for (var i = this.options.connectWith.length - 1; i >= 0; i--){
				var cur = $(this.options.connectWith[i]);
				for (var j = cur.length - 1; j >= 0; j--){
					var inst = $.data(cur[j], 'sortable');
					if(inst && inst != this && !inst.options.disabled) {
						queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element[0], event, { item: this.currentItem }) : $(inst.options.items, inst.element), inst]);
						this.containers.push(inst);
					}
				};
			};
		}

		for (var i = queries.length - 1; i >= 0; i--) {
			var targetData = queries[i][1];
			var _queries = queries[i][0];

			for (var j=0, queriesLength = _queries.length; j < queriesLength; j++) {
				var item = $(_queries[j]);

				item.data('sortable-item', targetData); // Data for target checking (mouse manager)

				items.push({
					item: item,
					instance: targetData,
					width: 0, height: 0,
					left: 0, top: 0
				});
			};
		};

	},

	refreshPositions: function(fast) {

		//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
		if(this.offsetParent && this.helper) {
			this.offset.parent = this._getParentOffset();
		}

		for (var i = this.items.length - 1; i >= 0; i--){
			var item = this.items[i];

			//We ignore calculating positions of all connected containers when we're not over them
			if(item.instance != this.currentContainer && this.currentContainer && item.item[0] != this.currentItem[0])
				continue;

			var t = this.options.toleranceElement ? $(this.options.toleranceElement, item.item) : item.item;

			if (!fast) {
				if (this.options.accurateIntersection) {
					item.width = t.outerWidth();
					item.height = t.outerHeight();
				}
				else {
					item.width = t[0].offsetWidth;
					item.height = t[0].offsetHeight;
				}
			}

			var p = t.offset();
			item.left = p.left;
			item.top = p.top;
		};

		if(this.options.custom && this.options.custom.refreshContainers) {
			this.options.custom.refreshContainers.call(this);
		} else {
			for (var i = this.containers.length - 1; i >= 0; i--){
				var p = this.containers[i].element.offset();
				this.containers[i].containerCache.left = p.left;
				this.containers[i].containerCache.top = p.top;
				this.containers[i].containerCache.width	= this.containers[i].element.outerWidth();
				this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
			};
		}

	},

	_createPlaceholder: function(that) {

		var self = that || this, o = self.options;

		if(!o.placeholder || o.placeholder.constructor == String) {
			var className = o.placeholder;
			o.placeholder = {
				element: function() {

					var el = $(document.createElement(self.currentItem[0].nodeName))
						.addClass(className || self.currentItem[0].className+" "+self.options.cssNamespace+"-sortable-placeholder")
						.removeClass(self.options.cssNamespace+'-sortable-helper')[0];

					if(!className)
						el.style.visibility = "hidden";

					return el;
				},
				update: function(container, p) {

					// 1. If a className is set as 'placeholder option, we don't force sizes - the class is responsible for that
					// 2. The option 'forcePlaceholderSize can be enabled to force it even if a class name is specified
					if(className && !o.forcePlaceholderSize) return;

					//If the element doesn't have a actual height by itself (without styles coming from a stylesheet), it receives the inline height from the dragged item
					if(!p.height()) { p.height(self.currentItem.innerHeight() - parseInt(self.currentItem.css('paddingTop')||0, 10) - parseInt(self.currentItem.css('paddingBottom')||0, 10)); };
					if(!p.width()) { p.width(self.currentItem.innerWidth() - parseInt(self.currentItem.css('paddingLeft')||0, 10) - parseInt(self.currentItem.css('paddingRight')||0, 10)); };
				}
			};
		}

		//Create the placeholder
		self.placeholder = $(o.placeholder.element.call(self.element, self.currentItem));

		//Append it after the actual current item
		self.currentItem.after(self.placeholder);

		//Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317)
		o.placeholder.update(self, self.placeholder);

	},

	_contactContainers: function(event) {
		for (var i = this.containers.length - 1; i >= 0; i--){

			if(this._intersectsWith(this.containers[i].containerCache)) {
				if(!this.containers[i].containerCache.over) {

					if(this.currentContainer != this.containers[i]) {

						//When entering a new container, we will find the item with the least distance and append our item near it
						var dist = 10000; var itemWithLeastDistance = null; var base = this.positionAbs[this.containers[i].floating ? 'left' : 'top'];
						for (var j = this.items.length - 1; j >= 0; j--) {
							if(!$.ui.contains(this.containers[i].element[0], this.items[j].item[0])) continue;
							var cur = this.items[j][this.containers[i].floating ? 'left' : 'top'];
							if(Math.abs(cur - base) < dist) {
								dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
							}
						}

						if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabled
							continue;

						this.currentContainer = this.containers[i];
						itemWithLeastDistance ? this.options.sortIndicator.call(this, event, itemWithLeastDistance, null, true) : this.options.sortIndicator.call(this, event, null, this.containers[i].element, true);
						this._trigger("change", event, this._uiHash());
						this.containers[i]._trigger("change", event, this._uiHash(this));

						//Update the placeholder
						this.options.placeholder.update(this.currentContainer, this.placeholder);

					}

					this.containers[i]._trigger("over", event, this._uiHash(this));
					this.containers[i].containerCache.over = 1;
				}
			} else {
				if(this.containers[i].containerCache.over) {
					this.containers[i]._trigger("out", event, this._uiHash(this));
					this.containers[i].containerCache.over = 0;
				}
			}

		};
	},

	_createHelper: function(event) {

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

		if(!helper.parents('body').length) //Add the helper to the DOM if that didn't happen already
			$(o.appendTo != 'parent' ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(helper[0]);

		if(helper[0] == this.currentItem[0])
			this._storedCSS = { width: this.currentItem[0].style.width, height: this.currentItem[0].style.height, position: this.currentItem.css("position"), top: this.currentItem.css("top"), left: this.currentItem.css("left") };

		if(helper[0].style.width == '' || o.forceHelperSize) helper.width(this.currentItem.width());
		if(helper[0].style.height == '' || o.forceHelperSize) helper.height(this.currentItem.height());

		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 && $.browser.mozilla)	//Ugly FF3 fix
		|| (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.currentItem.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.currentItem.css("marginLeft"),10) || 0),
			top: (parseInt(this.currentItem.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)) {
			var ce = $(o.containment)[0];
			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
			];
		}

	},

	_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)
				- ( 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)
				- ( 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)
				+ ( 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)
				+ ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() )
			)
		};

	},

	_rearrange: function(event, i, a, hardRefresh) {

		a ? a[0].appendChild(this.placeholder[0]) : i.item[0].parentNode.insertBefore(this.placeholder[0], (this.direction == 'down' ? i.item[0] : i.item[0].nextSibling));

		//Various things done here to improve the performance:
		// 1. we create a setTimeout, that calls refreshPositions
		// 2. on the instance, we have a counter variable, that get's higher after every append
		// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
		// 4. this lets only the last addition to the timeout stack through
		this.counter = this.counter ? ++this.counter : 1;
		var self = this, counter = this.counter;

		window.setTimeout(function() {
			if(counter == self.counter) self.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
		},0);

	},

	_clear: function(event, noPropagation) {

		this.reverting = false;
		// We delay all events that have to be triggered to after the point where the placeholder has been removed and
		// everything else normalized again
		var delayedTriggers = [], self = this;

		//We first have to update the dom position of the actual currentItem
		if(!this._noFinalSort) this.placeholder.before(this.currentItem);
		this._noFinalSort = null;

		if(this.helper[0] == this.currentItem[0]) {
			for(var i in this._storedCSS) {
				if(this._storedCSS[i] == 'auto' || this._storedCSS[i] == 'static') this._storedCSS[i] = '';
			}
			this.currentItem.css(this._storedCSS).removeClass(this.options.cssNamespace+"-sortable-helper");
		} else {
			this.currentItem.show();
		}

		if(this.fromOutside && !noPropagation) delayedTriggers.push(function(event) { this._trigger("receive", event, this._uiHash(this.fromOutside)); });
		if((this.fromOutside || this.domPosition.prev != this.currentItem.prev().not("."+this.options.cssNamespace+"-sortable-helper")[0] || this.domPosition.parent != this.currentItem.parent()[0]) && !noPropagation) delayedTriggers.push(function(event) { this._trigger("update", event, this._uiHash()); }); //Trigger update callback if the DOM position has changed
		if(!$.ui.contains(this.element[0], this.currentItem[0])) { //Node was moved out of the current element
			if(!noPropagation) delayedTriggers.push(function(event) { this._trigger("remove", event, this._uiHash()); });
			for (var i = this.containers.length - 1; i >= 0; i--){
				if($.ui.contains(this.containers[i].element[0], this.currentItem[0]) && !noPropagation) {
					delayedTriggers.push((function(c) { return function(event) { c._trigger("receive", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
					delayedTriggers.push((function(c) { return function(event) { c._trigger("update", event, this._uiHash(this));  }; }).call(this, this.containers[i]));
				}
			};
		};

		//Post events to containers
		for (var i = this.containers.length - 1; i >= 0; i--){
			if(!noPropagation) delayedTriggers.push((function(c) { return function(event) { c._trigger("deactivate", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
			if(this.containers[i].containerCache.over) {
				delayedTriggers.push((function(c) { return function(event) { c._trigger("out", event, this._uiHash(this)); };  }).call(this, this.containers[i]));
				this.containers[i].containerCache.over = 0;
			}
		}

		//Do what was originally in plugins
		if(this._storedCursor) $('body').css("cursor", this._storedCursor); //Reset cursor
		if(this._storedOpacity) this.helper.css("opacity", this._storedCursor); //Reset cursor
		if(this._storedZIndex) this.helper.css("zIndex", this._storedZIndex == 'auto' ? '' : this._storedZIndex); //Reset z-index

		this.dragging = false;
		if(this.cancelHelperRemoval) {
			if(!noPropagation) {
				this._trigger("beforeStop", event, this._uiHash());
				for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
				this._trigger("stop", event, this._uiHash());
			}
			return false;
		}

		if(!noPropagation) this._trigger("beforeStop", event, this._uiHash());

		//$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, it unbinds ALL events from the original node!
		this.placeholder[0].parentNode.removeChild(this.placeholder[0]);

		if(this.helper[0] != this.currentItem[0]) this.helper.remove(); this.helper = null;

		if(!noPropagation) {
			for (var i=0; i < delayedTriggers.length; i++) { delayedTriggers[i].call(this, event); }; //Trigger all delayed events
			this._trigger("stop", event, this._uiHash());
		}

		this.fromOutside = false;
		return true;

	},

	_trigger: function() {
		if ($.widget.prototype._trigger.apply(this, arguments) === false) {
			this.cancel();
		}
	},

	_uiHash: function(inst) {
		var self = inst || this;
		return {
			helper: self.helper,
			placeholder: self.placeholder || $([]),
			position: self.position,
			absolutePosition: self.positionAbs, //deprecated
			offset: self.positionAbs,
			item: self.currentItem,
			sender: inst ? inst.element : null
		};
	}

}));

$.extend($.ui.sortable, {
	getter: "serialize toArray",
	version: "1.6rc6",
	defaults: {
		accurateIntersection: true,
		appendTo: "parent",
		cancel: ":input,option",
		connectWith: false,
		cssNamespace: 'ui',
		delay: 0,
		distance: 1,
		dropOnEmpty: true,
		forcePlaceholderSize: false,
		forceHelperSize: false,
		handle: false,
		helper: "original",
		items: '> *',
		placeholder: false,
		scope: "default",
		scroll: true,
		scrollSensitivity: 20,
		scrollSpeed: 20,
		sortIndicator: $.ui.sortable.prototype._rearrange,
		tolerance: "intersect",
		zIndex: 1000
	}
});

})(jQuery);
/*
 * jQuery UI Tabs 1.6rc6
 *
 * Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Tabs
 *
 * Depends:
 *	ui.core.js
 */
(function($) {

$.widget("ui.tabs", {

	_init: function() {
		// create tabs
		this._tabify(true);
	},

	_setData: function(key, value) {
		if ((/^selected/).test(key))
			this.select(value);
		else {
			this.options[key] = 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.$tabs.index(tab)
		};
	},

	_tabify: function(init) {

		this.list = this.element.is('div') ? this.element.children('ul:first, ol:first').eq(0) : this.element;
		this.$lis = $('li:has(a[href])', this.list);
		this.$tabs = 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.$tabs.each(function(i, a) {
			var href = $(a).attr('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 + 1);
		});

		// initialization from scratch
		if (init) {

			// attach necessary classes for styling
			if (this.element.is('div')) {
				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 
			if (o.selected === undefined) {
				if (location.hash) {
					this.$tabs.each(function(i, a) {
						if (a.hash == location.hash) {
							o.selected = i;
							return false; // break
						}
					});
				}
				else if (o.cookie)
					o.selected = parseInt(self._cookie(), 10);

				else if (this.$lis.filter('.ui-tabs-selected').length)
					o.selected = this.$lis.index(this.$lis.filter('.ui-tabs-selected'));

				else
				 	o.selected = 0;

			}
			else if (o.selected === null)
				o.selected = -1;

			// sanity check
			o.selected = ((o.selected >= 0 && this.$tabs[o.selected]) || o.selected < 0) ? o.selected : 0; // default to first tab

			// 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.$tabs.length) { // check for length avoids error when initializing empty list
				this.$panels.eq(o.selected).removeClass('ui-tabs-hide');
				var classes = ['ui-tabs-selected ui-state-active'];
				if (o.deselectable) classes.push('ui-tabs-deselectable');
				this.$lis.eq(o.selected).addClass(classes.join(' '));

				// 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
				if ($.data(this.$tabs[o.selected], 'load.tabs'))
					this.load(o.selected, onShow);
				// just trigger show event
				else onShow();
			}

			// states
			if (o.event != 'mouseover') {
				var handleState = function(state, el) {
					if (el.is(':not(.ui-state-disabled)')) el.toggleClass('ui-state-' + state);
				};
				this.$lis.bind('mouseover.tabs mouseout.tabs', function() {
					handleState('hover', $(this));
				});
				// TODO focus/blur don't seem to work with namespace
				this.$tabs.bind('focus.tabs blur.tabs', function() {
					handleState('focus', $(this).parents('li:first'));
				});
			}

			// clean up to avoid memory leaks in certain versions of IE 6
			$(window).bind('unload', function() {
				self.$lis.add(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('.ui-tabs-selected'));

		// 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.$tabs.removeData('cache.tabs');

		// 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) {
				$show.hide().removeClass('ui-tabs-hide') // avoid flicker that way
					.animate(showFx, 500, function() {
						resetStyle($show, showFx);
						self._trigger('show', null, self._ui(clicked, $show[0]));
					});
			} :
			function(clicked, $show) {
				$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, $show) {
				$hide.animate(hideFx, hideFx.duration || 'normal', function() {
					$hide.addClass('ui-tabs-hide');
					resetStyle($hide, hideFx);
					if ($show) showTab(clicked, $show);
				});
			} :
			function(clicked, $hide, $show) {
				$hide.addClass('ui-tabs-hide');
				if ($show) showTab(clicked, $show);
			};

		// Switch a tab...
		function switchTab(clicked, $li, $hide, $show) {
			var classes = ['ui-tabs-selected ui-state-active'];
			if (o.deselectable) classes.push('ui-tabs-deselectable');
			$li.removeClass('ui-state-default').addClass(classes.join(' '))
				.siblings().removeClass(classes.join(' ')).addClass('ui-state-default');
			hideTab(clicked, $hide, $show);
		}

		// attach tab event handler, unbind to avoid duplicates from former tabifying...
		this.$tabs.unbind('.tabs').bind(o.event + '.tabs', function() {

			var $li = $(this).parents('li:eq(0)'),
				$hide = self.$panels.filter(':visible'),
				$show = $(self._sanitizeSelector(this.hash));

			// If tab is already selected and not deselectable 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-state-active') && !o.deselectable)
				|| $li.hasClass('ui-state-disabled')
				|| $(this).hasClass('ui-tabs-loading')
				|| self._trigger('select', null, self._ui(this, $show[0])) === false
				) {
				this.blur();
				return false;
			}

			o.selected = self.$tabs.index(this);

			// if tab may be closed TODO avoid redundant code in this block
			if (o.deselectable) {
				if ($li.hasClass('ui-state-active')) {
					o.selected = -1;
					if (o.cookie) self._cookie(o.selected, o.cookie);
					$li.removeClass('ui-tabs-selected ui-state-active ui-tabs-deselectable')
						.addClass('ui-state-default');
					self.$panels.stop();
					hideTab(this, $hide);
					this.blur();
					return false;
				} else if (!$hide.length) {
					if (o.cookie) self._cookie(o.selected, o.cookie);
					self.$panels.stop();
					var a = this;
					self.load(self.$tabs.index(this), function() {
						$li.addClass('ui-tabs-selected ui-state-active ui-tabs-deselectable')
							.removeClass('ui-state-default');
						showTab(a, $show);
					});
					this.blur();
					return false;
				}
			}

			if (o.cookie) self._cookie(o.selected, o.cookie);

			// stop possibly running animations
			self.$panels.stop();

			// show new tab
			if ($show.length) {
				var a = this;
				self.load(self.$tabs.index(this), $hide.length ?
					function() {
						switchTab(a, $li, $hide, $show);
					} :
					function() {
						$li.addClass('ui-tabs-selected ui-state-active').removeClass('ui-state-default');
						showTab(a, $show);
					}
				);
			} 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();

			return false;

		});

		// disable click if event is configured to something else
		if (o.event != 'click') this.$tabs.bind('click.tabs', function(){return false;});

	},
	
	destroy: function() {
		var o = this.options;

		this.element
			.removeClass('ui-tabs ui-widget ui-widget-content ui-corner-all');

		this.list.unbind('.tabs')
			.removeClass('ui-tabs-nav ui-helper-reset ui-helper-clearfix ui-widget-header ui-corner-all')
			.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.$lis.unbind('.tabs').add(this.$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-tabs-deselectable ' +
					'ui-state-disabled ' +
					'ui-tabs-panel ' +
					'ui-widget-content ' +
					'ui-corner-bottom ' +
					'ui-tabs-hide');
		});

		if (o.cookie)
			this._cookie(null, o.cookie);
	},

	add: function(url, label, index) {
		if (index == undefined)
			index = this.$tabs.length; // append by default

		var self = this, o = this.options;
		var $li = $(o.tabTemplate.replace(/#\{href\}/g, url).replace(/#\{label\}/g, label));
		$li.addClass('ui-state-default ui-corner-top').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).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.$tabs.length == 1) { // after tabify
			$li.addClass('ui-tabs-selected ui-state-active');
			$panel.removeClass('ui-tabs-hide');
			var href = $.data(this.$tabs[0], 'load.tabs');
			if (href) this.load(0, function() {
				self._trigger('show', null,
					self._ui(self.$tabs[0], self.$panels[0]));
			});
		}

		// callback
		this._trigger('add', null, this._ui(this.$tabs[index], this.$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 ($li.hasClass('ui-tabs-selected') && this.$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;

		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.$tabs[index], this.$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('ui-state-disabled');

			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$=' + index + ']'));
		this.$tabs.eq(index).trigger(this.options.event + '.tabs');
	},

	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');
				// TODO bypassCache == false should work

		callback = callback || function() {};

		// no remote or from cache - just finish with callback
		// TODO in any case: insert cancel running load here..!
		
		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('.ui-tabs-loading').removeClass('ui-tabs-loading')
					.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('')
				.find('em').data('label.tabs', label).html(o.spinner);
		}

		var ajaxOptions = $.extend({}, o.ajaxOptions, {
			url: url,
			success: function(r, s) {
				$(self._sanitizeSelector(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]));
				try {
					o.ajaxOptions.success(r, s);
				}
				catch (er) {}

				// 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('ui-tabs-loading');
		self.xhr = $.ajax(ajaxOptions);
	},

	url: function(index, url) {
		this.$tabs.eq(index).removeData('cache.tabs').data('load.tabs', url);
	},
	
	length: function() {
		return this.$tabs.length;
	}

});

$.extend($.ui.tabs, {
	version: '1.6rc6',
	getter: 'length',
	defaults: {
		ajaxOptions: null,
		cache: false,
		cookie: null, // e.g. { expires: 7, path: '/', domain: 'jquery.com', secure: true }
		deselectable: false,
		disabled: [],
		event: 'click',
		fx: null, // e.g. { height: 'toggle', opacity: 'toggle', duration: 200 }
		idPrefix: 'ui-tabs-',
		panelTemplate: '',
		spinner: 'Loading…',
		tabTemplate: '
#{label}'
	}
});

/*
 * Tabs Extensions
 */

/*
 * Rotate
 */
$.extend($.ui.tabs.prototype, {
	rotation: null,
	rotate: function(ms, continuing) {

		var self = this, t = this.options.selected;

		function rotate() {
			clearTimeout(self.rotation);
			self.rotation = setTimeout(function() {
				t = ++t < self.$tabs.length ? t : 0;
				self.select(t);
			}, ms);
		}

		// start rotation
		if (ms) {
			this.element.bind('tabsshow', rotate); // will not be attached twice
			this.$tabs.bind(this.options.event + '.tabs', !continuing ?
				function(e) {
					if (e.clientX) { // in case of a true click
						clearTimeout(self.rotation);
						self.element.unbind('tabsshow', rotate);
					}
				} :
				function(e) {
					t = self.options.selected;
					rotate();
				}
			);
			rotate();
		}
		// stop rotation
		else {
			clearTimeout(self.rotation);
			this.element.unbind('tabsshow', rotate);
			this.$tabs.unbind(this.options.event + '.tabs', stop);
		}
	}
});

})(jQuery);
/*
 * jQuery UI Datepicker 1.6rc6
 *
 * Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Datepicker
 *
 * Depends:
 *	ui.core.js
 */

(function($) { // hide the namespace

$.extend($.ui, { datepicker: { version: "1.6rc6" } });

var PROP_NAME = 'datepicker';

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

		return offset;
	},

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	/* Generate the HTML for the current state of the date picker. */
	_generateHTML: function(inst) {
		var today = new Date();
		today = this._daylightSavingAdjust(
			new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time
		var isRTL = this._get(inst, 'isRTL');
		var showButtonPanel = this._get(inst, 'showButtonPanel');
		var hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext');
		var navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat');
		var numMonths = this._getNumberOfMonths(inst);
		var showCurrentAtPos = this._get(inst, 'showCurrentAtPos');
		var stepMonths = this._get(inst, 'stepMonths');
		var stepBigMonths = this._get(inst, 'stepBigMonths');
		var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
		var currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
			new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
		var minDate = this._getMinMaxDate(inst, 'min', true);
		var maxDate = this._getMinMaxDate(inst, 'max');
		var drawMonth = inst.drawMonth - showCurrentAtPos;
		var drawYear = inst.drawYear;
		if (drawMonth < 0) {
			drawMonth += 12;
			drawYear--;
		}
		if (maxDate) {
			var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
				maxDate.getMonth() - numMonths[1] + 1, maxDate.getDate()));
			maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
			while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
				drawMonth--;
				if (drawMonth < 0) {
					drawMonth = 11;
					drawYear--;
				}
			}
		}
		inst.drawMonth = drawMonth;
		inst.drawYear = drawYear;
		var prevText = this._get(inst, 'prevText');
		prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
			this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
			this._getFormatConfig(inst)));
		var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
			'' + prevText + '' :
			(hideIfNoPrevNext ? '' : '' + prevText + ''));
		var nextText = this._get(inst, 'nextText');
		nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
			this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
			this._getFormatConfig(inst)));
		var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
			'' + nextText + '' :
			(hideIfNoPrevNext ? '' : '' + nextText + ''));
		var currentText = this._get(inst, 'currentText');
		var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
		currentText = (!navigationAsDateFormat ? currentText :
			this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
		var controls = '';
		var buttonPanel = (showButtonPanel) ? '' + (isRTL ? controls : '') +
			(this._isInRange(inst, gotoDate) ? '' : '') + (isRTL ? '' : controls) + '' : '';
		var firstDay = parseInt(this._get(inst, 'firstDay'),10);
		firstDay = (isNaN(firstDay) ? 0 : firstDay);
		var dayNames = this._get(inst, 'dayNames');
		var dayNamesShort = this._get(inst, 'dayNamesShort');
		var dayNamesMin = this._get(inst, 'dayNamesMin');
		var monthNames = this._get(inst, 'monthNames');
		var monthNamesShort = this._get(inst, 'monthNamesShort');
		var beforeShowDay = this._get(inst, 'beforeShowDay');
		var showOtherMonths = this._get(inst, 'showOtherMonths');
		var calculateWeek = this._get(inst, 'calculateWeek') || this.iso8601Week;
		var endDate = inst.endDay ? this._daylightSavingAdjust(
			new Date(inst.endYear, inst.endMonth, inst.endDay)) : currentDate;
		var defaultDate = this._getDefaultDate(inst);
		var html = '';
		for (var row = 0; row < numMonths[0]; row++) {
			var group = '';
			for (var col = 0; col < numMonths[1]; col++) {
				var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
				var cornerClass = ' ui-corner-all';
				var calender = '';
				if (isMultiMonth) {
					calender += '';
				}
				calender += '' +
					(/all|left/.test(cornerClass) && row == 0 ? (isRTL ? next : prev) : '') +
					(/all|right/.test(cornerClass) && row == 0 ? (isRTL ? prev : next) : '') +
					this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
					selectedDate, row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
					'' +
					'';
				var thead = '';
				for (var dow = 0; dow < 7; dow++) { // days of the week
					var day = (dow + firstDay) % 7;
					thead += '= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' +
						'' + dayNamesMin[day] + '';
				}
				calender += thead + '';
				var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
				if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
					inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
				var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
				var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate
				var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
				for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
					calender += '';
					var tbody = '';
					for (var dow = 0; dow < 7; dow++) { // create date picker days
						var daySettings = (beforeShowDay ?
							beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
						var otherMonth = (printDate.getMonth() != drawMonth);
						var unselectable = otherMonth || !daySettings[0] ||
							(minDate && printDate < minDate) || (maxDate && printDate > maxDate);
						tbody += ''; // display for this month
						printDate.setDate(printDate.getDate() + 1);
						printDate = this._daylightSavingAdjust(printDate);
					}
					calender += tbody + '';
				}
				drawMonth++;
				if (drawMonth > 11) {
					drawMonth = 0;
					drawYear++;
				}
				calender += '
' + // actions
							(otherMonth ? (showOtherMonths ? printDate.getDate() : ' ') : // display for other months
							(unselectable ? '' + printDate.getDate() + '' : '' + printDate.getDate() + '')) + '
' + (isMultiMonth ? '' : '');
				group += calender;
			}
			html += group;
		}
		html += (!inst.inline ? buttonPanel : '') +
			($.browser.msie && parseInt($.browser.version,10) < 7 && !inst.inline ?
			'' : '');
		inst._keyEvent = false;
		return html;
	},

	/* Generate the month and year header. */
	_generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
			selectedDate, secondary, monthNames, monthNamesShort) {
		minDate = (inst.rangeStart && minDate && selectedDate < minDate ? selectedDate : minDate);
		var changeMonth = this._get(inst, 'changeMonth');
		var changeYear = this._get(inst, 'changeYear');
		var showMonthAfterYear = this._get(inst, 'showMonthAfterYear');
		var html = '';
		var monthHtml = '';
		// month selection
		if (secondary || !changeMonth)
			monthHtml += '' + monthNames[drawMonth] + ' ';
		else {
			var inMinYear = (minDate && minDate.getFullYear() == drawYear);
			var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
			monthHtml += '';
		}
		if (!showMonthAfterYear)
			html += monthHtml + ((secondary || changeMonth || changeYear) && (!(changeMonth && changeYear)) ? ' ' : '');
		// year selection
		if (secondary || !changeYear)
			html += '' + drawYear + '';
		else {
			// determine range of years to display
			var years = this._get(inst, 'yearRange').split(':');
			var year = 0;
			var endYear = 0;
			if (years.length != 2) {
				year = drawYear - 10;
				endYear = drawYear + 10;
			} else if (years[0].charAt(0) == '+' || years[0].charAt(0) == '-') {
				year = drawYear + parseInt(years[0], 10);
				endYear = drawYear + parseInt(years[1], 10);
			} else {
				year = parseInt(years[0], 10);
				endYear = parseInt(years[1], 10);
			}
			year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
			endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
			html += '';
		}
		if (showMonthAfterYear)
			html += (secondary || changeMonth || changeYear ? ' ' : '') + monthHtml;
		html += ''; // Close datepicker_header
		return html;
	},

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

$.datepicker = new Datepicker(); // singleton instance
$.datepicker.initialized = false;
$.datepicker.uuid = new Date().getTime();
$.datepicker.version = "1.6rc6";

})(jQuery);