
////// 0_jquery.dimensions.js

/* Copyright (c) 2007 Paul Bakaus (paul.bakaus@googlemail.com) and Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * $LastChangedDate: 2007-12-20 15:43:48 +0100 (to, 20 dec 2007) $
 * $Rev: 4257 $
 *
 * Version: @VERSION
 *
 * Requires: jQuery 1.2+
 */

(function($){
	
$.dimensions = {
	version: '@VERSION'
};

// Create innerHeight, innerWidth, outerHeight and outerWidth methods
$.each( [ 'Height', 'Width' ], function(i, name){
	
	// innerHeight and innerWidth
	$.fn[ 'inner' + name ] = function() {
		if (!this[0]) return;
		
		var torl = name == 'Height' ? 'Top'    : 'Left',  // top or left
		    borr = name == 'Height' ? 'Bottom' : 'Right'; // bottom or right
		
		return this.is(':visible') ? this[0]['client' + name] : num( this, name.toLowerCase() ) + num(this, 'padding' + torl) + num(this, 'padding' + borr);
	};
	
	// outerHeight and outerWidth
	$.fn[ 'outer' + name ] = function(options) {
		if (!this[0]) return;
		
		var torl = name == 'Height' ? 'Top'    : 'Left',  // top or left
		    borr = name == 'Height' ? 'Bottom' : 'Right'; // bottom or right
		
		options = $.extend({ margin: false }, options || {});
		
		var val = this.is(':visible') ? 
				this[0]['offset' + name] : 
				num( this, name.toLowerCase() )
					+ num(this, 'border' + torl + 'Width') + num(this, 'border' + borr + 'Width')
					+ num(this, 'padding' + torl) + num(this, 'padding' + borr);
		
		return val + (options.margin ? (num(this, 'margin' + torl) + num(this, 'margin' + borr)) : 0);
	};
});

// Create scrollLeft and scrollTop methods
$.each( ['Left', 'Top'], function(i, name) {
	$.fn[ 'scroll' + name ] = function(val) {
		if (!this[0]) return;
		
		return val != undefined ?
		
			// Set the scroll offset
			this.each(function() {
				this == window || this == document ?
					window.scrollTo( 
						name == 'Left' ? val : $(window)[ 'scrollLeft' ](),
						name == 'Top'  ? val : $(window)[ 'scrollTop'  ]()
					) :
					this[ 'scroll' + name ] = val;
			}) :
			
			// Return the scroll offset
			this[0] == window || this[0] == document ?
				self[ (name == 'Left' ? 'pageXOffset' : 'pageYOffset') ] ||
					$.boxModel && document.documentElement[ 'scroll' + name ] ||
					document.body[ 'scroll' + name ] :
				this[0][ 'scroll' + name ];
	};
});

$.fn.extend({
	position: function() {
		var left = 0, top = 0, elem = this[0], offset, parentOffset, offsetParent, results;
		
		if (elem) {
			// Get *real* offsetParent
			offsetParent = this.offsetParent();
			
			// Get correct offsets
			offset       = this.offset();
			parentOffset = offsetParent.offset();
			
			// Subtract element margins
			offset.top  -= num(elem, 'marginTop');
			offset.left -= num(elem, 'marginLeft');
			
			// Add offsetParent borders
			parentOffset.top  += num(offsetParent, 'borderTopWidth');
			parentOffset.left += num(offsetParent, 'borderLeftWidth');
			
			// Subtract the two offsets
			results = {
				top:  offset.top  - parentOffset.top,
				left: offset.left - parentOffset.left
			};
		}
		
		return results;
	},
	
	offsetParent: function() {
		var offsetParent = this[0].offsetParent;
		while ( offsetParent && (!/^body|html$/i.test(offsetParent.tagName) && $.css(offsetParent, 'position') == 'static') )
			offsetParent = offsetParent.offsetParent;
		return $(offsetParent);
	}
});

function num(el, prop) {
	return parseInt($.curCSS(el.jquery?el[0]:el,prop,true))||0;
};

})(jQuery);
////// jquery.autoscroll.js

/*
 * AutoScroll Plugin for jQuery
 *
 * Copyright (c) 2006 Jonathan Sharp (jdsharp.us)
 * Licensed under the GPL license.
 *
 * http://jdsharp.us/code/AutoScroll/
 *
 * Date: 2006-09-19
 * Rev: 001
 */

$.autoscroll = {
	settings: 	null,
	interval: 	0,
	event: 		null,

	init: function(opts) {
		$.autoscroll.settings = $.extend({step: 20, trigger: 40, interval: 100}, opts || {});
		document.onmousemove= $.autoscroll.setMouseEvent;
	},
	
	start: function(){
		if(!$.autoscroll.settings){
			$.autoscroll.init();
		}
		
		if ($.autoscroll.interval == 0) {
			$.autoscroll.interval = setInterval($.autoscroll.step, $.autoscroll.settings.interval);
		}
	},
	
	stop: function(){
		clearInterval($.autoscroll.interval); 
		$.autoscroll.interval = 0;
	},

	setMouseEvent: function(e) {
		var e	= e || window.event;
		var de	= document.documentElement;
		var b	= document.body;
		$.autoscroll.event = {
			cursor: {
				x: e.pageX || (e.clientX + (de.scrollLeft || b.scrollLeft) - (de.clientLeft || 0)),
				y: e.pageY || (e.clientY + (de.scrollTop || b.scrollTop) - (de.clientTop || 0))
			},
	
			win: {
				w: window.innerWidth  || (de.clientWidth && de.clientWidth != 0 ? de.clientWidth : b.offsetWidth),
				h: window.innerHeight || (de.clientHeight && de.clientWidth != 0 ? de.clientHeight : b.offsetHeight)
			},
	
			scroll: {
				x: (document.all ? 
						(!de.scrollLeft ? b.scrollLeft : de.scrollLeft)
						:
						(window.pageXOffset ? window.pageXOffset : window.scrollX)
						),
				y: (document.all ? 
						(!de.scrollTop ? b.scrollTop : de.scrollTop)
						:
						(window.pageYOffset ? window.pageYOffset : window.scrollY)
						)
			}
		};
	},
	
	step: function() {
		var e = $.autoscroll.event;
		if (!e) {
			return;
		}

		var hot_l 	= e.scroll.x;
		var hot_r 	= e.scroll.x + e.win.w;
		var x		= e.cursor.x;

		var hot_t	= e.scroll.y;
		var hot_b	= e.scroll.y + e.win.h;
		var y 		= e.cursor.y;
	
		if (hot_l <= x && x <= (hot_l + $.autoscroll.settings.trigger)) {
			var ratio 	= (1 - ((x - hot_l) / $.autoscroll.settings.trigger));
			var step	= Math.round(ratio * $.autoscroll.settings.step, 0);
			e.scroll.x += -step;
			e.cursor.x += -step;
		} else if ((hot_r - $.autoscroll.settings.trigger) <= x && x <= hot_r) {
			var ratio 	= (1 - ((hot_r - x) / $.autoscroll.settings.trigger));
			var step	= Math.round(ratio * $.autoscroll.settings.step, 0);
			e.scroll.x += step;
			e.cursor.x += step;
		}
	
		if (hot_t <= y && y <= (hot_t + $.autoscroll.settings.trigger)) {
			var ratio 	= (1 - ((y - hot_t) / $.autoscroll.settings.trigger));
			var step	= Math.round(ratio * $.autoscroll.settings.step, 0);
			e.scroll.y += -step;
			e.cursor.y += -step;
		} else if ((hot_b - $.autoscroll.settings.trigger) <= y && y <= hot_b) {
			var ratio 	= (1 - ((hot_b - y) / $.autoscroll.settings.trigger));
			var step	= Math.round(ratio * $.autoscroll.settings.step, 0);
			e.scroll.y += step;
			e.cursor.y += step;
		}
	
		if (e.scroll.x < 0) {
			e.scroll.x = 0;
			e.cursor.x = 0;
		}
		if (e.scroll.y < 0) {
			e.scroll.y = 0;
			e.cursor.y = 0;
		}

		window.scrollTo(e.scroll.x, e.scroll.y);
	}
};

////// jquery.n2contextmenu-0.3.js


/*
 * n2contextmenu 0.3 - Copyright (c) 2007 Cristian Libardo
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * Usage example:
 *
 *	<script type="text/javascript" src="jquery-1.2.1.pack.js"></script>
 *	<script type="text/javascript" src="n2contextmenu.js"></script>
 * 	<script type="text/javascript">
 *		$(document).ready(function(){
 *          // wires the menu with id="contextmenu" to elements with class="clickable"
 *			$(".clickable").n2contextmenu("#contextmenu");
 *		});
 *	</script>
 */

(function($) {
	var menus = [];
	
	var hideAll = function(){
		$.each(menus, function(){
			this.n2hide();
		})
	}
	
	var show = function(e, $m, options) {
		options.showing.call($m[0], e.target);
		
		var offsetX = $(window).width() - e.clientX - $m.width();
		var offsetY = $(window).height() - e.clientY - $m.height();
		
		if(offsetX > 0) offsetX = 0;
		if(offsetY > 0) offsetY = 0;

		var x = e.pageX + options.offsetX + offsetX;
		var y = e.pageY + options.offsetY + offsetY;

		$m.n2showat(x, y);
	};
	
//	var findFrame = function(name){
//		for(var i = 0; i < window.frames.length; i++){
//			if(window.frames[i].name == name){
//				return window.frames[i];
//			}
//		}
//		for(var i = 0; i < window.top.frames.length; i++){
//			if(window.top.frames[i].name == name){
//				return window.top.frames[i];
//			}
//		}
//		return null;
//	};

	$.fn.n2contextmenu = function(menu,options) {
		options = $.extend({offsetX: -2, offsetY: -2, showing: function(){}, appendTo: document.body}, options || {});

		var $m = $(menu)
			.appendTo(options.appendTo)
			.n2hide()
			.n2rightToLeftClick();
		this.bind('contextmenu', function(e) {
			if(!e.ctrlKey) {
				hideAll();
				show(e, $m, options);
				return false;
			}
		});
		if(menus.length == 0) {
			$(document.body).click(hideAll).bind('contextmenu', hideAll);
		}
		menus.push($m);
		return this;
	}
	
	$.fn.n2showat = function(l,t) {
		return this.css({left: l + "px", top: t + "px"});
	}

	$.fn.n2hide = function() {
		return this.css({position:"absolute", left: "-9999px", top: "-9999px"});
	}

	$.fn.n2rightToLeftClick = function() {
		return this.bind('contextmenu', function(e) {
			$(e.target).click().each(function() {
				$(this).parents().andSelf().filter("a").each(function(){
				    //var f = findFrame(this.target) || window;
				    var f = window.frames[this.target] || window.top.frames[this.target] || window;
					f.location = this.href;
					hideAll();
				});
			});
			e.stopPropagation();
			e.preventDefault();
		});
	}
})(jQuery);

////// ui.base.js

/*
 * jQuery UI @VERSION
 *
 * Copyright (c) 2008 Paul Bakaus (ui.jquery.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI
 *
 * $Date: 2008-04-01 15:23:47 +0200 (ti, 01 apr 2008) $
 * $Rev: 5174 $
 */
;(function($) {

	//If the UI scope is not available, add it
	$.ui = $.ui || {};
	
	//Add methods that are vital for all mouse interaction stuff (plugin registering)
	$.extend($.ui, {
		plugin: {
			add: function(module, option, set) {
				var proto = $.ui[module].prototype;
				for(var i in set) {
					proto.plugins[i] = proto.plugins[i] || [];
					proto.plugins[i].push([option, set[i]]);
				}
			},
			call: function(instance, name, arguments) {
				var set = instance.plugins[name]; if(!set) return;
				for (var i = 0; i < set.length; i++) {
					if (instance.options[set[i][0]]) set[i][1].apply(instance.element, arguments);
				}
			}	
		},
		cssCache: {},
		css: function(name) {
			if ($.ui.cssCache[name]) return $.ui.cssCache[name];
			var tmp = $('<div class="ui-resizable-gen">').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];
		},
		disableSelection: function(e) {
			e.unselectable = "on";
			e.onselectstart = function() {	return false; };
			if (e.style) e.style.MozUserSelect = "none";
		},
		enableSelection: function(e) {
			e.unselectable = "off";
			e.onselectstart = function() { return true; };
			if (e.style) e.style.MozUserSelect = "";
		},
		hasScroll: function(e, a) {
      		var scroll = /top/.test(a||"top") ? 'scrollTop' : 'scrollLeft', has = false;
      		if (e[scroll] > 0) return true; e[scroll] = 1;
      		has = e[scroll] > 0 ? true : false; e[scroll] = 0;
      		return has; 
    	}
	});

	/******* fn scope modifications ********/

	$.each( ['Left', 'Top'], function(i, name) {
		if(!$.fn['scroll'+name]) $.fn['scroll'+name] = function(v) {
			return v != undefined ?
				this.each(function() { this == window || this == document ? window.scrollTo(name == 'Left' ? v : $(window)['scrollLeft'](), name == 'Top'  ? v : $(window)['scrollTop']()) : this['scroll'+name] = v; }) :
				this[0] == window || this[0] == document ? self[(name == 'Left' ? 'pageXOffset' : 'pageYOffset')] || $.boxModel && document.documentElement['scroll'+name] || document.body['scroll'+name] : this[0][ 'scroll' + name ];
		};
	});

	var _remove = $.fn.remove;
	$.fn.extend({
		position: function() {
			var offset       = this.offset();
			var offsetParent = this.offsetParent();
			var parentOffset = offsetParent.offset();

			return {
				top:  offset.top - num(this[0], 'marginTop')  - parentOffset.top - num(offsetParent, 'borderTopWidth'),
				left: offset.left - num(this[0], 'marginLeft')  - parentOffset.left - num(offsetParent, 'borderLeftWidth')
			};
		},
		offsetParent: function() {
			var offsetParent = this[0].offsetParent;
			while ( offsetParent && (!/^body|html$/i.test(offsetParent.tagName) && $.css(offsetParent, 'position') == 'static') )
				offsetParent = offsetParent.offsetParent;
			return $(offsetParent);
		},
		mouseInteraction: function(o) {
			return this.each(function() {
				new $.ui.mouseInteraction(this, o);
			});
		},
		removeMouseInteraction: function(o) {
			return this.each(function() {
				if($.data(this, "ui-mouse"))
					$.data(this, "ui-mouse").destroy();
			});
		},
		remove: function() {
			jQuery("*", this).add(this).trigger("remove");
			return _remove.apply(this, arguments );
		}
	});
	
	function num(el, prop) {
		return parseInt($.curCSS(el.jquery?el[0]:el,prop,true))||0;
	};
	
	
	/********** Mouse Interaction Plugin *********/
	
	$.ui.mouseInteraction = function(element, options) {
	
		var self = this;
		this.element = element;

		$.data(this.element, "ui-mouse", this);
		this.options = $.extend({}, options);
		
		$(element).bind('mousedown.draggable', function() { return self.click.apply(self, arguments); });
		if($.browser.msie) $(element).attr('unselectable', 'on'); //Prevent text selection in IE
		
		// prevent draggable-options-delay bug #2553
		$(element).mouseup(function() {
			if(self.timer) clearInterval(self.timer);
		});
	};
	
	$.extend($.ui.mouseInteraction.prototype, {
		
		destroy: function() { $(this.element).unbind('mousedown.draggable'); },
		trigger: function() { return this.click.apply(this, arguments); },
		click: function(e) {
			
			if(
				   e.which != 1 //only left click starts dragging
				|| $.inArray(e.target.nodeName.toLowerCase(), this.options.dragPrevention || []) != -1 // Prevent execution on defined elements
				|| (this.options.condition && !this.options.condition.apply(this.options.executor || this, [e, this.element])) //Prevent execution on condition
			) return true;
				
			var self = this;
			var initialize = function() {
				self._MP = { left: e.pageX, top: e.pageY }; // Store the click mouse position
				$(document).bind('mouseup.draggable', function() { return self.stop.apply(self, arguments); });
				$(document).bind('mousemove.draggable', function() { return self.drag.apply(self, arguments); });
				
				if(!self.initalized && Math.abs(self._MP.left-e.pageX) >= self.options.distance || Math.abs(self._MP.top-e.pageY) >= self.options.distance) {				
					if(self.options.start) self.options.start.call(self.options.executor || self, e, self.element);
					if(self.options.drag) self.options.drag.call(self.options.executor || self, e, this.element); //This is actually not correct, but expected
					self.initialized = true;
				}
			};

			if(this.options.delay) {
				if(this.timer) clearInterval(this.timer);
				this.timer = setTimeout(initialize, this.options.delay);
			} else {
				initialize();
			}
				
			return false;
			
		},
		stop: function(e) {			
			
			var o = this.options;
			if(!this.initialized) return $(document).unbind('mouseup.draggable').unbind('mousemove.draggable');

			if(this.options.stop) this.options.stop.call(this.options.executor || this, e, this.element);
			$(document).unbind('mouseup.draggable').unbind('mousemove.draggable');
			this.initialized = false;
			return false;
			
		},
		drag: function(e) {

			var o = this.options;
			if ($.browser.msie && !e.button) return this.stop.apply(this, [e]); // IE mouseup check
			
			if(!this.initialized && (Math.abs(this._MP.left-e.pageX) >= o.distance || Math.abs(this._MP.top-e.pageY) >= o.distance)) {				
				if(this.options.start) this.options.start.call(this.options.executor || this, e, this.element);
				this.initialized = true;
			} else {
				if(!this.initialized) return false;
			}

			if(o.drag) o.drag.call(this.options.executor || this, e, this.element);
			return false;
			
		}
	});
	
})(jQuery);
 
////// ui.draggable.js

/*
 * jQuery UI Draggable
 *
 * Copyright (c) 2008 Paul Bakaus
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 * 
 * http://docs.jquery.com/UI/Draggables
 *
 * Depends:
 *   ui.base.js
 *
 * Revision: $Id: ui.draggable.js 5194 2008-04-04 12:30:10Z paul.bakaus $
 */
;(function($) {

	$.fn.extend({
		draggable: function(options) {
			var args = Array.prototype.slice.call(arguments, 1);
			
			return this.each(function() {
				if (typeof options == "string") {
					var drag = $.data(this, "draggable");
					if(drag) drag[options].apply(drag, args);

				} else if(!$.data(this, "draggable"))
					new $.ui.draggable(this, options);
			});
		}
	});
	
	$.ui.draggable = function(element, options) {
		//Initialize needed constants
		var self = this;
		
		this.element = $(element);
		
		$.data(element, "draggable", this);
		this.element.addClass("ui-draggable");
		
		//Prepare the passed options
		this.options = $.extend({}, options);
		var o = this.options;
		$.extend(o, {
			helper: o.ghosting == true ? 'clone' : (o.helper || 'original'),
			handle : o.handle ? ($(o.handle, element)[0] ? $(o.handle, element) : this.element) : this.element,
			appendTo: o.appendTo || 'parent'		
		});
		
		$(element).bind("setData.draggable", function(event, key, value){
			self.options[key] = value;
		}).bind("getData.draggable", function(event, key){
			return self.options[key];
		});
		
		//Initialize mouse events for interaction
		$(o.handle).mouseInteraction({
			executor: this,
			delay: o.delay,
			distance: o.distance || 1,
			dragPrevention: o.cancel || o.cancel === '' ? o.cancel.toLowerCase().split(',') : ['input','textarea','button','select','option'],
			start: this.start,
			stop: this.stop,
			drag: this.drag,
			condition: function(e) { return !(e.target.className.indexOf("ui-resizable-handle") != -1 || this.options.disabled); }
		});
		
		//Position the node
		if(o.helper == 'original' && (this.element.css('position') == 'static' || this.element.css('position') == ''))
			this.element.css('position', 'relative');
			
		//Prepare cursorAt
		if(o.cursorAt && o.cursorAt.constructor == Array)
			o.cursorAt = { left: o.cursorAt[0], top: o.cursorAt[1] };
		
	};
	
	$.extend($.ui.draggable.prototype, {
		plugins: {},
		ui: function(e) {
			return {
				helper: this.helper,
				position: this.position,
				absolutePosition: this.positionAbs,
				instance: this,
				options: this.options,
				element: this.element				
			};
		},
		propagate: function(n,e) {
			$.ui.plugin.call(this, n, [e, this.ui()]);
			return this.element.triggerHandler(n == "drag" ? n : "drag"+n, [e, this.ui()], this.options[n]);
		},
		destroy: function() {
			if(!$.data(this.element[0], 'draggable')) return;
			this.options.handle.removeMouseInteraction();
			this.element
				.removeClass("ui-draggable ui-draggable-disabled")
				.removeData("draggable")
				.unbind(".draggable");
		},
		enable: function() {
			this.element.removeClass("ui-draggable-disabled");
			this.options.disabled = false;
		},
		disable: function() {
			this.element.addClass("ui-draggable-disabled");
			this.options.disabled = true;
		},
		setContrains: function(minLeft,maxLeft,minTop,maxTop) {
			this.minLeft = minLeft; this.maxLeft = maxLeft;
			this.minTop = minTop; this.maxTop = maxTop;
			this.constrainsSet = true;
		},
		checkConstrains: function() {
			if(!this.constrainsSet) return;
			if(this.position.left < this.minLeft) this.position.left = this.minLeft;
			if(this.position.left > this.maxLeft - this.helperProportions.width) this.position.left = this.maxLeft - this.helperProportions.width;
			if(this.position.top < this.minTop) this.position.top = this.minTop;
			if(this.position.top > this.maxTop - this.helperProportions.height) this.position.top = this.maxTop - this.helperProportions.height;
		},
		recallOffset: function(e) {

			var elementPosition = { left: this.elementOffset.left - this.offsetParentOffset.left, top: this.elementOffset.top - this.offsetParentOffset.top };
			var r = this.helper.css('position') == 'relative';

			//Generate the original position
			this.originalPosition = {
				left: (r ? parseInt(this.helper.css('left'),10) || 0 : elementPosition.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft)),
				top: (r ? parseInt(this.helper.css('top'),10) || 0 : elementPosition.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop))
			};
			
			//Generate a flexible offset that will later be subtracted from e.pageX/Y
			this.offset = {left: this._pageX - this.originalPosition.left, top: this._pageY - this.originalPosition.top };
			
		},
		start: function(e) {
			var o = this.options;
			if($.ui.ddmanager) $.ui.ddmanager.current = this;
			
			//Create and append the visible helper
			this.helper = typeof o.helper == 'function' ? $(o.helper.apply(this.element[0], [e])) : (o.helper == 'clone' ? this.element.clone().appendTo((o.appendTo == 'parent' ? this.element[0].parentNode : o.appendTo)) : this.element);
			if(this.helper[0] != this.element[0]) this.helper.css('position', 'absolute');
			if(!this.helper.parents('body').length) this.helper.appendTo((o.appendTo == 'parent' ? this.element[0].parentNode : o.appendTo));
			
			
			//Find out the next positioned parent
			this.offsetParent = (function(cp) {
				while(cp) {
					if(cp.style && (/(absolute|relative|fixed)/).test($.css(cp,'position'))) return $(cp);
					cp = cp.parentNode ? cp.parentNode : null;
				}; return $("body");		
			})(this.helper[0].parentNode);
			
			//Prepare variables for position generation
			this.elementOffset = this.element.offset();
			this.offsetParentOffset = this.offsetParent.offset();
			var elementPosition = { left: this.elementOffset.left - this.offsetParentOffset.left, top: this.elementOffset.top - this.offsetParentOffset.top };
			this._pageX = e.pageX; this._pageY = e.pageY;
			this.clickOffset = { left: e.pageX - this.elementOffset.left, top: e.pageY - this.elementOffset.top };
			var r = this.helper.css('position') == 'relative';

			//Generate the original position
			this.originalPosition = {
				left: (r ? parseInt(this.helper.css('left'),10) || 0 : elementPosition.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft)),
				top: (r ? parseInt(this.helper.css('top'),10) || 0 : elementPosition.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop))
			};
			
			//If we have a fixed element, we must subtract the scroll offset again
			if(this.element.css('position') == 'fixed') {
				this.originalPosition.top -= this.offsetParent[0] == document.body ? $(document).scrollTop() : this.offsetParent[0].scrollTop;
				this.originalPosition.left -= this.offsetParent[0] == document.body ? $(document).scrollLeft() : this.offsetParent[0].scrollLeft;
			}
			
			//Generate a flexible offset that will later be subtracted from e.pageX/Y
			this.offset = {left: e.pageX - this.originalPosition.left, top: e.pageY - this.originalPosition.top };
			
			//Substract margins
			if(this.element[0] != this.helper[0]) {
				this.offset.left += parseInt(this.element.css('marginLeft'),10) || 0;
				this.offset.top += parseInt(this.element.css('marginTop'),10) || 0;
			}
			
			//Call plugins and callbacks
			this.propagate("start", e);

			this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };
			if ($.ui.ddmanager && !o.dropBehaviour) $.ui.ddmanager.prepareOffsets(this, e);
			
			//If we have something in cursorAt, we'll use it
			if(o.cursorAt) {
				if(o.cursorAt.top != undefined || o.cursorAt.bottom != undefined) {
					this.offset.top -= this.clickOffset.top - (o.cursorAt.top != undefined ? o.cursorAt.top : (this.helperProportions.height - o.cursorAt.bottom));
					this.clickOffset.top = (o.cursorAt.top != undefined ? o.cursorAt.top : (this.helperProportions.height - o.cursorAt.bottom));
				}
				if(o.cursorAt.left != undefined || o.cursorAt.right != undefined) {
					this.offset.left -= this.clickOffset.left - (o.cursorAt.left != undefined ? o.cursorAt.left : (this.helperProportions.width - o.cursorAt.right));
					this.clickOffset.left = (o.cursorAt.left != undefined ? o.cursorAt.left : (this.helperProportions.width - o.cursorAt.right));
				}
			}

			return false;

		},
		clear: function() {
			if($.ui.ddmanager) $.ui.ddmanager.current = null;
			this.helper = null;
		},
		stop: function(e) {

			//If we are using droppables, inform the manager about the drop
			if ($.ui.ddmanager && !this.options.dropBehaviour)
				$.ui.ddmanager.drop(this, e);
				
			//Call plugins and trigger callbacks
			this.propagate("stop", e);
			
			if(this.cancelHelperRemoval) return false;			
			if(this.options.helper != 'original') this.helper.remove();
			this.clear();

			return false;
		},
		drag: function(e) {

			//Compute the helpers position
			this.position = { top: e.pageY - this.offset.top, left: e.pageX - this.offset.left };
			this.positionAbs = { left: e.pageX - this.clickOffset.left, top: e.pageY - this.clickOffset.top };

			//Call plugins and callbacks
			this.checkConstrains();			
			this.position = this.propagate("drag", e) || this.position;
			this.checkConstrains();
			
			$(this.helper).css({ left: this.position.left+'px', top: this.position.top+'px' }); // Stick the helper to the cursor
			if($.ui.ddmanager) $.ui.ddmanager.drag(this, e);
			return false;
			
		}
	});
	
/*
 * Draggable Extensions
 */
	 
	$.ui.plugin.add("draggable", "cursor", {
		start: function(e, ui) {
			var t = $('body');
			if (t.css("cursor")) ui.options._cursor = t.css("cursor");
			t.css("cursor", ui.options.cursor);
		},
		stop: function(e, ui) {
			if (ui.options._cursor) $('body').css("cursor", ui.options._cursor);
		}
	});

	$.ui.plugin.add("draggable", "zIndex", {
		start: function(e, ui) {
			var t = $(ui.helper);
			if(t.css("zIndex")) ui.options._zIndex = t.css("zIndex");
			t.css('zIndex', ui.options.zIndex);
		},
		stop: function(e, ui) {
			if(ui.options._zIndex) $(ui.helper).css('zIndex', ui.options._zIndex);
		}
	});

	$.ui.plugin.add("draggable", "opacity", {
		start: function(e, ui) {
			var t = $(ui.helper);
			if(t.css("opacity")) ui.options._opacity = t.css("opacity");
			t.css('opacity', ui.options.opacity);
		},
		stop: function(e, ui) {
			if(ui.options._opacity) $(ui.helper).css('opacity', ui.options._opacity);
		}
	});


	$.ui.plugin.add("draggable", "revert", {
		stop: function(e, ui) {
			var self = ui.instance, helper = $(self.helper);
			self.cancelHelperRemoval = true;
			
			$(ui.helper).animate({ left: self.originalPosition.left, top: self.originalPosition.top }, parseInt(ui.options.revert, 10) || 500, function() {
				if(ui.options.helper != 'original') helper.remove();
				if (!helper) self.clear();
			});
		}
	});

	$.ui.plugin.add("draggable", "iframeFix", {
		start: function(e, ui) {

			var o = ui.options;
			if(ui.instance.slowMode) return; // Make clones on top of iframes (only if we are not in slowMode)
			
			if(o.iframeFix.constructor == Array) {
				for(var i=0;i<o.iframeFix.length;i++) {
					var co = $(o.iframeFix[i]).offset({ border: false });
					$('<div class="DragDropIframeFix"" style="background: #fff;"></div>').css("width", $(o.iframeFix[i])[0].offsetWidth+"px").css("height", $(o.iframeFix[i])[0].offsetHeight+"px").css("position", "absolute").css("opacity", "0.001").css("z-index", "1000").css("top", co.top+"px").css("left", co.left+"px").appendTo("body");
				}		
			} else {
				$("iframe").each(function() {					
					var co = $(this).offset({ border: false });
					$('<div class="DragDropIframeFix" style="background: #fff;"></div>').css("width", this.offsetWidth+"px").css("height", this.offsetHeight+"px").css("position", "absolute").css("opacity", "0.001").css("z-index", "1000").css("top", co.top+"px").css("left", co.left+"px").appendTo("body");
				});							
			}

		},
		stop: function(e, ui) {
			if(ui.options.iframeFix) $("div.DragDropIframeFix").each(function() { this.parentNode.removeChild(this); }); //Remove frame helpers	
		}
	});
	
	$.ui.plugin.add("draggable", "containment", {
		start: function(e, ui) {

			var o = ui.options;
			var self = ui.instance;
			if((o.containment.left != undefined || o.containment.constructor == Array) && !o._containment) return;
			if(!o._containment) o._containment = o.containment;

			if(o._containment == 'parent') o._containment = this[0].parentNode;
			if(o._containment == 'document') {
				o.containment = [
					0,
					0,
					$(document).width(),
					($(document).height() || document.body.parentNode.scrollHeight)
				];
			} else { //I'm a node, so compute top/left/right/bottom

				var ce = $(o._containment)[0];
				var co = $(o._containment).offset();

				o.containment = [
					co.left,
					co.top,
					co.left+(ce.offsetWidth || ce.scrollWidth),
					co.top+(ce.offsetHeight || ce.scrollHeight)
				];
			}
			
			var c = o.containment;
			ui.instance.setContrains(
				c[0] - (self.offset.left - self.clickOffset.left), //min left
				c[2] - (self.offset.left - self.clickOffset.left), //max left
				c[1] - (self.offset.top - self.clickOffset.top), //min top
				c[3] - (self.offset.top - self.clickOffset.top) //max top
			);

		}
	});

	$.ui.plugin.add("draggable", "grid", {
		drag: function(e, ui) {
			var o = ui.options;
			var newLeft = ui.instance.originalPosition.left + Math.round((e.pageX - ui.instance._pageX) / o.grid[0]) * o.grid[0];
			var newTop = ui.instance.originalPosition.top + Math.round((e.pageY - ui.instance._pageY) / o.grid[1]) * o.grid[1];
			
			ui.instance.position.left = newLeft;
			ui.instance.position.top = newTop;

		}
	});

	$.ui.plugin.add("draggable", "axis", {
		drag: function(e, ui) {
			var o = ui.options;
			if(o.constraint) o.axis = o.constraint; //Legacy check
			switch (o.axis) {
				case 'x' : ui.instance.position.top = ui.instance.originalPosition.top; break;
				case 'y' : ui.instance.position.left = ui.instance.originalPosition.left; break;
			}
		}
	});

	$.ui.plugin.add("draggable", "scroll", {
		start: function(e, ui) {
			var o = ui.options;
			o.scrollSensitivity	= o.scrollSensitivity || 20;
			o.scrollSpeed		= o.scrollSpeed || 20;

			ui.instance.overflowY = function(el) {
				do { if(/auto|scroll/.test(el.css('overflow')) || (/auto|scroll/).test(el.css('overflow-y'))) return el; el = el.parent(); } while (el[0].parentNode);
				return $(document);
			}(this);
			ui.instance.overflowX = function(el) {
				do { if(/auto|scroll/.test(el.css('overflow')) || (/auto|scroll/).test(el.css('overflow-x'))) return el; el = el.parent(); } while (el[0].parentNode);
				return $(document);
			}(this);
		},
		drag: function(e, ui) {
			
			var o = ui.options;
			var i = ui.instance;

			if(i.overflowY[0] != document && i.overflowY[0].tagName != 'HTML') {
				if(i.overflowY[0].offsetHeight - (ui.position.top - i.overflowY[0].scrollTop + i.clickOffset.top) < o.scrollSensitivity)
					i.overflowY[0].scrollTop = i.overflowY[0].scrollTop + o.scrollSpeed;
				if((ui.position.top - i.overflowY[0].scrollTop + i.clickOffset.top) < o.scrollSensitivity)
					i.overflowY[0].scrollTop = i.overflowY[0].scrollTop - o.scrollSpeed;				
			} else {
				//$(document.body).append('<p>'+(e.pageY - $(document).scrollTop())+'</p>');
				if(e.pageY - $(document).scrollTop() < o.scrollSensitivity)
					$(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
				if($(window).height() - (e.pageY - $(document).scrollTop()) < o.scrollSensitivity)
					$(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
			}
			
			if(i.overflowX[0] != document && i.overflowX[0].tagName != 'HTML') {
				if(i.overflowX[0].offsetWidth - (ui.position.left - i.overflowX[0].scrollLeft + i.clickOffset.left) < o.scrollSensitivity)
					i.overflowX[0].scrollLeft = i.overflowX[0].scrollLeft + o.scrollSpeed;
				if((ui.position.top - i.overflowX[0].scrollLeft + i.clickOffset.left) < o.scrollSensitivity)
					i.overflowX[0].scrollLeft = i.overflowX[0].scrollLeft - o.scrollSpeed;				
			} else {
				if(e.pageX - $(document).scrollLeft() < o.scrollSensitivity)
					$(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
				if($(window).width() - (e.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
					$(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
			}
			
			ui.instance.recallOffset(e);

		}
	});
	
	$.ui.plugin.add("draggable", "snap", {
		start: function(e, ui) {
			
			ui.instance.snapElements = [];
			$(ui.options.snap === true ? '.ui-draggable' : ui.options.snap).each(function() {
				var $t = $(this); var $o = $t.offset();
				if(this != ui.instance.element[0]) ui.instance.snapElements.push({
					item: this,
					width: $t.outerWidth(),
					height: $t.outerHeight(),
					top: $o.top,
					left: $o.left
				});
			});
			
		},
		drag: function(e, ui) {

			var d = ui.options.snapTolerance || 20;
			var x1 = ui.absolutePosition.left, x2 = x1 + ui.instance.helperProportions.width,
			    y1 = ui.absolutePosition.top, y2 = y1 + ui.instance.helperProportions.height;

			for (var i = ui.instance.snapElements.length - 1; i >= 0; i--){

				var l = ui.instance.snapElements[i].left, r = l + ui.instance.snapElements[i].width, 
				    t = ui.instance.snapElements[i].top,  b = t + ui.instance.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))) continue;

				if(ui.options.snapMode != 'inner') {
					var ts = Math.abs(t - y2) <= 20;
					var bs = Math.abs(b - y1) <= 20;
					var ls = Math.abs(l - x2) <= 20;
					var rs = Math.abs(r - x1) <= 20;
					if(ts) ui.position.top = t - ui.instance.offset.top + ui.instance.clickOffset.top - ui.instance.helperProportions.height;
					if(bs) ui.position.top = b - ui.instance.offset.top + ui.instance.clickOffset.top;
					if(ls) ui.position.left = l - ui.instance.offset.left + ui.instance.clickOffset.left - ui.instance.helperProportions.width;
					if(rs) ui.position.left = r - ui.instance.offset.left + ui.instance.clickOffset.left;
				}
				
				if(ui.options.snapMode != 'outer') {
					var ts = Math.abs(t - y1) <= 20;
					var bs = Math.abs(b - y2) <= 20;
					var ls = Math.abs(l - x1) <= 20;
					var rs = Math.abs(r - x2) <= 20;
					if(ts) ui.position.top = t - ui.instance.offset.top + ui.instance.clickOffset.top;
					if(bs) ui.position.top = b - ui.instance.offset.top + ui.instance.clickOffset.top - ui.instance.helperProportions.height;
					if(ls) ui.position.left = l - ui.instance.offset.left + ui.instance.clickOffset.left;
					if(rs) ui.position.left = r - ui.instance.offset.left + ui.instance.clickOffset.left - ui.instance.helperProportions.width;
				}

			};
		}
	});
	
	$.ui.plugin.add("draggable", "connectToSortable", {
		start: function(e,ui) {
			ui.instance.sortable = $.data($(ui.options.connectToSortable)[0], 'sortable');
			ui.instance.sortableOffset = ui.instance.sortable.element.offset();
			ui.instance.sortableOuterWidth = ui.instance.sortable.element.outerWidth();
			ui.instance.sortableOuterHeight = ui.instance.sortable.element.outerHeight();
			if(ui.instance.sortable.options.revert) ui.instance.sortable.shouldRevert = true;
		},
		stop: function(e,ui) {
			//If we are still over the sortable, we fake the stop event of the sortable, but also remove helper
			var inst = ui.instance.sortable;
			if(inst.isOver) {
				inst.isOver = 0;
				ui.instance.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance
				inst.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work)
				if(inst.shouldRevert) inst.options.revert = true; //revert here
				inst.stop(e);
				inst.options.helper = "original";
			}
		},
		drag: function(e,ui) {
			//This is handy: We reuse the intersectsWith method for checking if the current draggable helper
			//intersects with the sortable container
			var inst = ui.instance.sortable;
			ui.instance.position.absolute = ui.absolutePosition; //Sorry, this is an ugly API fix
			
			if(inst.intersectsWith.call(ui.instance, {
				left: ui.instance.sortableOffset.left, top: ui.instance.sortableOffset.top,
				width: ui.instance.sortableOuterWidth, height: ui.instance.sortableOuterHeight
			})) {
				//If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once
				if(!inst.isOver) {
					inst.isOver = 1;
					
					//Cache the width/height of the new helper
					var height = inst.options.placeholderElement ? $(inst.options.placeholderElement, $(inst.options.items, inst.element)).innerHeight() : $(inst.options.items, inst.element).innerHeight();
					var width = inst.options.placeholderElement ? $(inst.options.placeholderElement, $(inst.options.items, inst.element)).innerWidth() : $(inst.options.items, inst.element).innerWidth();

					//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)
					inst.currentItem = $(this).clone().appendTo(inst.element);
					inst.options.helper = function() { return ui.helper[0]; };
					inst.start(e);
					
					//Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes
					inst.clickOffset.top = ui.instance.clickOffset.top;
					inst.clickOffset.left = ui.instance.clickOffset.left;
					inst.offset.left -= ui.absolutePosition.left - inst.position.absolute.left;
					inst.offset.top -= ui.absolutePosition.top - inst.position.absolute.top;
					
					//Do a nifty little helper animation: Animate it to the portlet's size (just takes the first 'li' element in the sortable now)
					inst.helperProportions = { width:  width, height: height}; //We have to reset the helper proportions, because we are doing our animation there
					ui.helper.animate({ height: height, width: width}, 500);
					ui.instance.propagate("toSortable", e);
				
				}

				//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(inst.currentItem) inst.drag(e);
				
			} 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(inst.isOver) {
					inst.isOver = 0;
					inst.cancelHelperRemoval = true;
					inst.options.revert = false; //No revert here
					inst.stop(e);
					inst.options.helper = "original";
					
					//Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size
					inst.currentItem.remove();
					inst.placeholder.remove();
					
					ui.helper.animate({ height: this.innerHeight(), width: this.innerWidth() }, 500);
					ui.instance.propagate("fromSortable", e);
				}
				
			};
		}
	})

	//TODO: wrapHelper

})(jQuery);


////// ui.droppable.js

/*
 * jQuery UI Droppable
 *
 * Copyright (c) 2008 Paul Bakaus
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 * 
 * http://docs.jquery.com/UI/Droppables
 *
 * Depends:
 *   ui.base.js
 *   ui.draggable.js
 *
 * Revision: $Id: ui.droppable.js 5198 2008-04-04 13:06:40Z paul.bakaus $
 */
;(function($) {
	
	$.fn.extend({
		droppable: function(options) {
			var args = Array.prototype.slice.call(arguments, 1);
			
			return this.each(function() {
				if (typeof options == "string") {
					var drop = $.data(this, "droppable");
					if(drop) drop[options].apply(drop, args);
					
				} else if(!$.data(this, "droppable"))
					new $.ui.droppable(this, options);
			});
		}
	});
	
	$.ui.droppable = function(element, options) {
		
		//Initialize needed constants
		var instance = this;
		this.element = $(element);
		$.data(element, "droppable", this);
		this.element.addClass("ui-droppable");
		
		//Prepare the passed options
		var o = this.options = options = $.extend({}, $.ui.droppable.defaults, options);
		var accept = o.accept;
		o = $.extend(o, {
			accept: o.accept && o.accept.constructor == Function ? o.accept : function(d) {
				return $(d).is(accept);
			}
		});
		
		$(element).bind("setData.droppable", function(event, key, value){
			o[key] = value;
		}).bind("getData.droppable", function(event, key){
			return o[key];
		}).bind('remove', function() {
			instance.destroy();
		});
		
		//Store the droppable's proportions
		this.proportions = { width: this.element.outerWidth(), height: this.element.outerHeight() };
		
		// Add the reference and positions to the manager
		$.ui.ddmanager.droppables.push({ item: this, over: 0, out: 1 });
		
	};
	
	$.extend($.ui.droppable, {
		defaults: {
			disabled: false,
			tolerance: 'intersect'
		}
	});
	
	$.extend($.ui.droppable.prototype, {
		plugins: {},
		ui: function(c) {
			return {
				instance: this,
				draggable: (c.currentItem || c.element),
				helper: c.helper,
				position: c.position,
				absolutePosition: c.positionAbs,
				options: this.options,
				element: this.element
			};
		},
		destroy: function() {
			var drop = $.ui.ddmanager.droppables;
			for ( var i = 0; i < drop.length; i++ )
				if ( drop[i].item == this )
					drop.splice(i, 1);
			
			this.element
				.removeClass("ui-droppable ui-droppable-disabled")
				.removeData("droppable")
				.unbind(".droppable");
		},
		enable: function() {
			this.element.removeClass("ui-droppable-disabled");
			this.options.disabled = false;
		},
		disable: function() {
			this.element.addClass("ui-droppable-disabled");
			this.options.disabled = true;
		},
		over: function(e) {
			
			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,(draggable.currentItem || draggable.element))) {
				$.ui.plugin.call(this, 'over', [e, this.ui(draggable)]);
				this.element.triggerHandler("dropover", [e, this.ui(draggable)], this.options.over);
			}
			
		},
		out: function(e) {
			
			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,(draggable.currentItem || draggable.element))) {
				$.ui.plugin.call(this, 'out', [e, this.ui(draggable)]);
				this.element.triggerHandler("dropout", [e, this.ui(draggable)], this.options.out);
			}
			
		},
		drop: function(e,custom) {
			
			var draggable = custom || $.ui.ddmanager.current;
			if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return; // Bail if draggable and droppable are same element
			
			var childrenIntersection = false;
			this.element.find(".ui-droppable").each(function() {
				var inst = $.data(this, 'droppable');
				if(inst.options.greedy && $.ui.intersect(draggable, { item: inst, offset: inst.element.offset() }, inst.options.tolerance)) {
					childrenIntersection = true; return false;
				}
			});
			if(childrenIntersection) return;
			
			if(this.options.accept.call(this.element,(draggable.currentItem || draggable.element))) {
				$.ui.plugin.call(this, 'drop', [e, this.ui(draggable)]);
				this.element.triggerHandler("drop", [e, this.ui(draggable)], this.options.drop);
			}
			
		},
		activate: function(e) {
			
			var draggable = $.ui.ddmanager.current;
			$.ui.plugin.call(this, 'activate', [e, this.ui(draggable)]);
			if(draggable) this.element.triggerHandler("dropactivate", [e, this.ui(draggable)], this.options.activate);
			
		},
		deactivate: function(e) {
			
			var draggable = $.ui.ddmanager.current;
			$.ui.plugin.call(this, 'deactivate', [e, this.ui(draggable)]);
			if(draggable) this.element.triggerHandler("dropdeactivate", [e, this.ui(draggable)], this.options.deactivate);
			
		}
	});
	
	$.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.item.proportions.width,
		    t = droppable.offset.top,  b = t + droppable.item.proportions.height;
		
		switch (toleranceMode) {
			case 'fit':
				
				if(!((y2-(draggable.helperProportions.height/2) > t && y1 < t) || (y1 < b && y2 > b) || (x2 > l && x1 < l) || (x1 < r && x2 > r))) return false;
				
				if(y2-(draggable.helperProportions.height/2) > t && y1 < t) return 1; //Crosses top edge
				if(y1 < b && y2 > b) return 2; //Crosses bottom edge
				if(x2 > l && x1 < l) return 1; //Crosses left edge
				if(x1 < r && x2 > r) return 2; //Crosses right edge
				
				//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':
				return (   l < ((draggable.positionAbs || draggable.position.absolute).left + draggable.clickOffset.left) && ((draggable.positionAbs || draggable.position.absolute).left + draggable.clickOffset.left) < r
					&& t < ((draggable.positionAbs || draggable.position.absolute).top + draggable.clickOffset.top) && ((draggable.positionAbs || draggable.position.absolute).top + draggable.clickOffset.top) < b);
				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: [],
		prepareOffsets: function(t, e) {
			
			var m = $.ui.ddmanager.droppables;
			var type = e ? e.type : null; // workaround for #2317
			for (var i = 0; i < m.length; i++) {
				
				if(m[i].item.options.disabled || (t && !m[i].item.options.accept.call(m[i].item.element,(t.currentItem || t.element)))) continue;
				m[i].offset = $(m[i].item.element).offset();
				m[i].item.proportions = { width: m[i].item.element.outerWidth(), height: m[i].item.element.outerHeight() };
				
				if(type == "dragstart") m[i].item.activate.call(m[i].item, e); //Activate the droppable if used directly from draggables
			}
			
		},
		drop: function(draggable, e) {
			
			$.each($.ui.ddmanager.droppables, function() {
				
				if (!this.item.options.disabled && $.ui.intersect(draggable, this, this.item.options.tolerance))
					this.item.drop.call(this.item, e);
				
				if (!this.item.options.disabled && this.item.options.accept.call(this.item.element,(draggable.currentItem || draggable.element))) {
					this.out = 1; this.over = 0;
					this.item.deactivate.call(this.item, e);
				}
				
			});
			
		},
		drag: function(draggable, e) {
			
			//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, e);
			
			//Run through all droppables and check their positions based on specific tolerance options
			$.each($.ui.ddmanager.droppables, function() {
				
				if(this.item.disabled || this.greedyChild) return;
				var intersects = $.ui.intersect(draggable, this, this.item.options.tolerance);
				
				var c = !intersects && this.over == 1 ? 'out' : (intersects && this.over == 0 ? 'over' : null);
				if(!c) return;
				
				var instance = $.data(this.item.element[0], 'droppable');
				if (instance.options.greedy) {
					this.item.element.parents('.ui-droppable:eq(0)').each(function() {
						var parent = this;
						$.each($.ui.ddmanager.droppables, function() {
							if (this.item.element[0] != parent) return;
							this[c] = 0;
							this[c == 'out' ? 'over' : 'out'] = 1;
							this.greedyChild = (c == 'over' ? 1 : 0);
							this.item[c == 'out' ? 'over' : 'out'].call(this.item, e);
							return false;
						});
					});
				}
				
				this[c] = 1; this[c == 'out' ? 'over' : 'out'] = 0;
				this.item[c].call(this.item, e);
				
			});
			
		}
	};
	
/*
 * Droppable Extensions
 */
	
	$.ui.plugin.add("droppable", "activeClass", {
		activate: function(e, ui) {
			$(this).addClass(ui.options.activeClass);
		},
		deactivate: function(e, ui) {
			$(this).removeClass(ui.options.activeClass);
		},
		drop: function(e, ui) {
			$(this).removeClass(ui.options.activeClass);
		}
	});
	
	$.ui.plugin.add("droppable", "hoverClass", {
		over: function(e, ui) {
			$(this).addClass(ui.options.hoverClass);
		},
		out: function(e, ui) {
			$(this).removeClass(ui.options.hoverClass);
		},
		drop: function(e, ui) {
			$(this).removeClass(ui.options.hoverClass);
		}
	});
	
})(jQuery);
