/*!
 * jQuery UI 1.8.7
 *
 * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI
 */
(function( $, undefined ) {

// prevent duplicate loading
// this is only a problem because we proxy existing functions
// and we don't want to double proxy them
$.ui = $.ui || {};
if ( $.ui.version ) {
	return;
}

$.extend( $.ui, {
	version: "1.8.7",

	keyCode: {
		ALT: 18,
		BACKSPACE: 8,
		CAPS_LOCK: 20,
		COMMA: 188,
		COMMAND: 91,
		COMMAND_LEFT: 91, // COMMAND
		COMMAND_RIGHT: 93,
		CONTROL: 17,
		DELETE: 46,
		DOWN: 40,
		END: 35,
		ENTER: 13,
		ESCAPE: 27,
		HOME: 36,
		INSERT: 45,
		LEFT: 37,
		MENU: 93, // COMMAND_RIGHT
		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,
		WINDOWS: 91 // COMMAND
	}
});

// plugins
$.fn.extend({
	_focus: $.fn.focus,
	focus: function( delay, fn ) {
		return typeof delay === "number" ?
			this.each(function() {
				var elem = this;
				setTimeout(function() {
					$( elem ).focus();
					if ( fn ) {
						fn.call( elem );
					}
				}, delay );
			}) :
			this._focus.apply( this, arguments );
	},

	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;
	},

	zIndex: function( zIndex ) {
		if ( zIndex !== undefined ) {
			return this.css( "zIndex", zIndex );
		}

		if ( this.length ) {
			var elem = $( this[ 0 ] ), position, value;
			while ( elem.length && elem[ 0 ] !== document ) {
				// Ignore z-index if position is set to a value where z-index is ignored by the browser
				// This makes behavior of this function consistent across browsers
				// WebKit always returns auto if the element is positioned
				position = elem.css( "position" );
				if ( position === "absolute" || position === "relative" || position === "fixed" ) {
					// IE returns 0 when zIndex is not specified
					// other browsers return a string
					// we ignore the case of nested elements with an explicit value of 0
					// <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
					value = parseInt( elem.css( "zIndex" ), 10 );
					if ( !isNaN( value ) && value !== 0 ) {
						return value;
					}
				}
				elem = elem.parent();
			}
		}

		return 0;
	},

	disableSelection: function() {
		return this.bind( ( $.support.selectstart ? "selectstart" : "mousedown" ) +
			".ui-disableSelection", function( event ) {
				event.preventDefault();
			});
	},

	enableSelection: function() {
		return this.unbind( ".ui-disableSelection" );
	}
});

$.each( [ "Width", "Height" ], function( i, name ) {
	var side = name === "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ],
		type = name.toLowerCase(),
		orig = {
			innerWidth: $.fn.innerWidth,
			innerHeight: $.fn.innerHeight,
			outerWidth: $.fn.outerWidth,
			outerHeight: $.fn.outerHeight
		};

	function reduce( elem, size, border, margin ) {
		$.each( side, function() {
			size -= parseFloat( $.curCSS( elem, "padding" + this, true) ) || 0;
			if ( border ) {
				size -= parseFloat( $.curCSS( elem, "border" + this + "Width", true) ) || 0;
			}
			if ( margin ) {
				size -= parseFloat( $.curCSS( elem, "margin" + this, true) ) || 0;
			}
		});
		return size;
	}

	$.fn[ "inner" + name ] = function( size ) {
		if ( size === undefined ) {
			return orig[ "inner" + name ].call( this );
		}

		return this.each(function() {
			$( this ).css( type, reduce( this, size ) + "px" );
		});
	};

	$.fn[ "outer" + name] = function( size, margin ) {
		if ( typeof size !== "number" ) {
			return orig[ "outer" + name ].call( this, size );
		}

		return this.each(function() {
			$( this).css( type, reduce( this, size, true, margin ) + "px" );
		});
	};
});

// selectors
function visible( element ) {
	return !$( element ).parents().andSelf().filter(function() {
		return $.curCSS( this, "visibility" ) === "hidden" ||
			$.expr.filters.hidden( this );
	}).length;
}

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

	focusable: function( element ) {
		var nodeName = element.nodeName.toLowerCase(),
			tabIndex = $.attr( element, "tabindex" );
		if ( "area" === nodeName ) {
			var map = element.parentNode,
				mapName = map.name,
				img;
			if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {
				return false;
			}
			img = $( "img[usemap=#" + mapName + "]" )[0];
			return !!img && visible( img );
		}
		return ( /input|select|textarea|button|object/.test( nodeName )
			? !element.disabled
			: "a" == nodeName
				? element.href || !isNaN( tabIndex )
				: !isNaN( tabIndex ))
			// the element and all of its ancestors must be visible
			&& visible( element );
	},

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

// support
$(function() {
	var body = document.body,
		div = body.appendChild( div = document.createElement( "div" ) );

	$.extend( div.style, {
		minHeight: "100px",
		height: "auto",
		padding: 0,
		borderWidth: 0
	});

	$.support.minHeight = div.offsetHeight === 100;
	$.support.selectstart = "onselectstart" in div;

	// set display to none to avoid a layout bug in IE
	// http://dev.jquery.com/ticket/4014
	body.removeChild( div ).style.display = "none";
});





// deprecated
$.extend( $.ui, {
	// $.ui.plugin is deprecated.  Use the proxy pattern instead.
	plugin: {
		add: function( module, option, set ) {
			var proto = $.ui[ module ].prototype;
			for ( var i in set ) {
				proto.plugins[ i ] = proto.plugins[ i ] || [];
				proto.plugins[ i ].push( [ option, set[ i ] ] );
			}
		},
		call: function( instance, name, args ) {
			var set = instance.plugins[ name ];
			if ( !set || !instance.element[ 0 ].parentNode ) {
				return;
			}
	
			for ( var i = 0; i < set.length; i++ ) {
				if ( instance.options[ set[ i ][ 0 ] ] ) {
					set[ i ][ 1 ].apply( instance.element, args );
				}
			}
		}
	},
	
	// will be deprecated when we switch to jQuery 1.4 - use jQuery.contains()
	contains: function( a, b ) {
		return document.compareDocumentPosition ?
			a.compareDocumentPosition( b ) & 16 :
			a !== b && a.contains( b );
	},
	
	// only used by resizable
	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;
	},
	
	// these are odd functions, fix the API or move into individual plugins
	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 );
	}
});

})( jQuery );
/*!
 * jQuery UI Widget 1.8.7
 *
 * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Widget
 */
(function( $, undefined ) {

// jQuery 1.4+
if ( $.cleanData ) {
	var _cleanData = $.cleanData;
	$.cleanData = function( elems ) {
		for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
			$( elem ).triggerHandler( "remove" );
		}
		_cleanData( elems );
	};
} else {
	var _remove = $.fn.remove;
	$.fn.remove = function( selector, keepData ) {
		return this.each(function() {
			if ( !keepData ) {
				if ( !selector || $.filter( selector, [ this ] ).length ) {
					$( "*", this ).add( [ this ] ).each(function() {
						$( this ).triggerHandler( "remove" );
					});
				}
			}
			return _remove.call( $(this), selector, keepData );
		});
	};
}

$.widget = function( name, base, prototype ) {
	var namespace = name.split( "." )[ 0 ],
		fullName;
	name = name.split( "." )[ 1 ];
	fullName = namespace + "-" + name;

	if ( !prototype ) {
		prototype = base;
		base = $.Widget;
	}

	// create selector for plugin
	$.expr[ ":" ][ fullName ] = function( elem ) {
		return !!$.data( elem, name );
	};

	$[ namespace ] = $[ namespace ] || {};
	$[ namespace ][ name ] = function( options, element ) {
		// allow instantiation without initializing for simple inheritance
		if ( arguments.length ) {
			this._createWidget( options, element );
		}
	};

	var basePrototype = new base();
	// we need to make the options hash a property directly on the new instance
	// otherwise we'll modify the options hash on the prototype that we're
	// inheriting from
//	$.each( basePrototype, function( key, val ) {
//		if ( $.isPlainObject(val) ) {
//			basePrototype[ key ] = $.extend( {}, val );
//		}
//	});
	basePrototype.options = $.extend( true, {}, basePrototype.options );
	$[ namespace ][ name ].prototype = $.extend( true, basePrototype, {
		namespace: namespace,
		widgetName: name,
		widgetEventPrefix: $[ namespace ][ name ].prototype.widgetEventPrefix || name,
		widgetBaseClass: fullName
	}, prototype );

	$.widget.bridge( name, $[ namespace ][ name ] );
};

$.widget.bridge = function( name, object ) {
	$.fn[ name ] = function( options ) {
		var isMethodCall = typeof options === "string",
			args = Array.prototype.slice.call( arguments, 1 ),
			returnValue = this;

		// allow multiple hashes to be passed on init
		options = !isMethodCall && args.length ?
			$.extend.apply( null, [ true, options ].concat(args) ) :
			options;

		// prevent calls to internal methods
		if ( isMethodCall && options.charAt( 0 ) === "_" ) {
			return returnValue;
		}

		if ( isMethodCall ) {
			this.each(function() {
				var instance = $.data( this, name ),
					methodValue = instance && $.isFunction( instance[options] ) ?
						instance[ options ].apply( instance, args ) :
						instance;
				// TODO: add this back in 1.9 and use $.error() (see #5972)
//				if ( !instance ) {
//					throw "cannot call methods on " + name + " prior to initialization; " +
//						"attempted to call method '" + options + "'";
//				}
//				if ( !$.isFunction( instance[options] ) ) {
//					throw "no such method '" + options + "' for " + name + " widget instance";
//				}
//				var methodValue = instance[ options ].apply( instance, args );
				if ( methodValue !== instance && methodValue !== undefined ) {
					returnValue = methodValue;
					return false;
				}
			});
		} else {
			this.each(function() {
				var instance = $.data( this, name );
				if ( instance ) {
					instance.option( options || {} )._init();
				} else {
					$.data( this, name, new object( options, this ) );
				}
			});
		}

		return returnValue;
	};
};

$.Widget = function( options, element ) {
	// allow instantiation without initializing for simple inheritance
	if ( arguments.length ) {
		this._createWidget( options, element );
	}
};

$.Widget.prototype = {
	widgetName: "widget",
	widgetEventPrefix: "",
	options: {
		disabled: false
	},
	_createWidget: function( options, element ) {
		// $.widget.bridge stores the plugin instance, but we do it anyway
		// so that it's stored even before the _create function runs
		$.data( element, this.widgetName, this );
		this.element = $( element );
		this.options = $.extend( true, {},
			this.options,
			this._getCreateOptions(),
			options );

		var self = this;
		this.element.bind( "remove." + this.widgetName, function() {
			self.destroy();
		});

		this._create();
		this._trigger( "create" );
		this._init();
	},
	_getCreateOptions: function() {
		return $.metadata && $.metadata.get( this.element[0] )[ this.widgetName ];
	},
	_create: function() {},
	_init: function() {},

	destroy: function() {
		this.element
			.unbind( "." + this.widgetName )
			.removeData( this.widgetName );
		this.widget()
			.unbind( "." + this.widgetName )
			.removeAttr( "aria-disabled" )
			.removeClass(
				this.widgetBaseClass + "-disabled " +
				"ui-state-disabled" );
	},

	widget: function() {
		return this.element;
	},

	option: function( key, value ) {
		var options = key;

		if ( arguments.length === 0 ) {
			// don't return a reference to the internal hash
			return $.extend( {}, this.options );
		}

		if  (typeof key === "string" ) {
			if ( value === undefined ) {
				return this.options[ key ];
			}
			options = {};
			options[ key ] = value;
		}

		this._setOptions( options );

		return this;
	},
	_setOptions: function( options ) {
		var self = this;
		$.each( options, function( key, value ) {
			self._setOption( key, value );
		});

		return this;
	},
	_setOption: function( key, value ) {
		this.options[ key ] = value;

		if ( key === "disabled" ) {
			this.widget()
				[ value ? "addClass" : "removeClass"](
					this.widgetBaseClass + "-disabled" + " " +
					"ui-state-disabled" )
				.attr( "aria-disabled", value );
		}

		return this;
	},

	enable: function() {
		return this._setOption( "disabled", false );
	},
	disable: function() {
		return this._setOption( "disabled", true );
	},

	_trigger: function( type, event, data ) {
		var callback = this.options[ type ];

		event = $.Event( event );
		event.type = ( type === this.widgetEventPrefix ?
			type :
			this.widgetEventPrefix + type ).toLowerCase();
		data = data || {};

		// 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() );
	}
};

})( jQuery );
/*!
 * jQuery UI Mouse 1.8.7
 *
 * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Mouse
 *
 * Depends:
 *	jquery.ui.widget.js
 */
(function( $, undefined ) {

$.widget("ui.mouse", {
	options: {
		cancel: ':input,option',
		distance: 1,
		delay: 0
	},
	_mouseInit: function() {
		var self = this;

		this.element
			.bind('mousedown.'+this.widgetName, function(event) {
				return self._mouseDown(event);
			})
			.bind('click.'+this.widgetName, function(event) {
				if (true === $.data(event.target, self.widgetName + '.preventClickEvent')) {
				    $.removeData(event.target, self.widgetName + '.preventClickEvent');
					event.stopImmediatePropagation();
					return false;
				}
			});

		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);
	},

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

		// we may have missed mouseup (out of window)
		(this._mouseStarted && this._mouseUp(event));

		this._mouseDownEvent = event;

		var self = this,
			btnIsLeft = (event.which == 1),
			elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false);
		if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
			return true;
		}

		this.mouseDelayMet = !this.options.delay;
		if (!this.mouseDelayMet) {
			this._mouseDelayTimer = setTimeout(function() {
				self.mouseDelayMet = true;
			}, this.options.delay);
		}

		if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
			this._mouseStarted = (this._mouseStart(event) !== false);
			if (!this._mouseStarted) {
				event.preventDefault();
				return true;
			}
		}

		// these delegates are required to keep context
		this._mouseMoveDelegate = function(event) {
			return self._mouseMove(event);
		};
		this._mouseUpDelegate = function(event) {
			return self._mouseUp(event);
		};
		$(document)
			.bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
			.bind('mouseup.'+this.widgetName, this._mouseUpDelegate);

		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 && !(document.documentMode >= 9) && !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;

			if (event.target == this._mouseDownEvent.target) {
			    $.data(event.target, this.widgetName + '.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; }
});

})(jQuery);
/*
 * jQuery UI Position 1.8.7
 *
 * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Position
 */
(function( $, undefined ) {

$.ui = $.ui || {};

var horizontalPositions = /left|center|right/,
	verticalPositions = /top|center|bottom/,
	center = "center",
	_position = $.fn.position,
	_offset = $.fn.offset;

$.fn.position = function( options ) {
	if ( !options || !options.of ) {
		return _position.apply( this, arguments );
	}

	// make a copy, we don't want to modify arguments
	options = $.extend( {}, options );

	var target = $( options.of ),
		targetElem = target[0],
		collision = ( options.collision || "flip" ).split( " " ),
		offset = options.offset ? options.offset.split( " " ) : [ 0, 0 ],
		targetWidth,
		targetHeight,
		basePosition;

	if ( targetElem.nodeType === 9 ) {
		targetWidth = target.width();
		targetHeight = target.height();
		basePosition = { top: 0, left: 0 };
	// TODO: use $.isWindow() in 1.9
	} else if ( targetElem.setTimeout ) {
		targetWidth = target.width();
		targetHeight = target.height();
		basePosition = { top: target.scrollTop(), left: target.scrollLeft() };
	} else if ( targetElem.preventDefault ) {
		// force left top to allow flipping
		options.at = "left top";
		targetWidth = targetHeight = 0;
		basePosition = { top: options.of.pageY, left: options.of.pageX };
	} else {
		targetWidth = target.outerWidth();
		targetHeight = target.outerHeight();
		basePosition = target.offset();
	}

	// force my and at to have valid horizontal and veritcal positions
	// if a value is missing or invalid, it will be converted to center 
	$.each( [ "my", "at" ], function() {
		var pos = ( options[this] || "" ).split( " " );
		if ( pos.length === 1) {
			pos = horizontalPositions.test( pos[0] ) ?
				pos.concat( [center] ) :
				verticalPositions.test( pos[0] ) ?
					[ center ].concat( pos ) :
					[ center, center ];
		}
		pos[ 0 ] = horizontalPositions.test( pos[0] ) ? pos[ 0 ] : center;
		pos[ 1 ] = verticalPositions.test( pos[1] ) ? pos[ 1 ] : center;
		options[ this ] = pos;
	});

	// normalize collision option
	if ( collision.length === 1 ) {
		collision[ 1 ] = collision[ 0 ];
	}

	// normalize offset option
	offset[ 0 ] = parseInt( offset[0], 10 ) || 0;
	if ( offset.length === 1 ) {
		offset[ 1 ] = offset[ 0 ];
	}
	offset[ 1 ] = parseInt( offset[1], 10 ) || 0;

	if ( options.at[0] === "right" ) {
		basePosition.left += targetWidth;
	} else if (options.at[0] === center ) {
		basePosition.left += targetWidth / 2;
	}

	if ( options.at[1] === "bottom" ) {
		basePosition.top += targetHeight;
	} else if ( options.at[1] === center ) {
		basePosition.top += targetHeight / 2;
	}

	basePosition.left += offset[ 0 ];
	basePosition.top += offset[ 1 ];

	return this.each(function() {
		var elem = $( this ),
			elemWidth = elem.outerWidth(),
			elemHeight = elem.outerHeight(),
			marginLeft = parseInt( $.curCSS( this, "marginLeft", true ) ) || 0,
			marginTop = parseInt( $.curCSS( this, "marginTop", true ) ) || 0,
			collisionWidth = elemWidth + marginLeft +
				parseInt( $.curCSS( this, "marginRight", true ) ) || 0,
			collisionHeight = elemHeight + marginTop +
				parseInt( $.curCSS( this, "marginBottom", true ) ) || 0,
			position = $.extend( {}, basePosition ),
			collisionPosition;

		if ( options.my[0] === "right" ) {
			position.left -= elemWidth;
		} else if ( options.my[0] === center ) {
			position.left -= elemWidth / 2;
		}

		if ( options.my[1] === "bottom" ) {
			position.top -= elemHeight;
		} else if ( options.my[1] === center ) {
			position.top -= elemHeight / 2;
		}

		// prevent fractions (see #5280)
		position.left = Math.round( position.left );
		position.top = Math.round( position.top );

		collisionPosition = {
			left: position.left - marginLeft,
			top: position.top - marginTop
		};

		$.each( [ "left", "top" ], function( i, dir ) {
			if ( $.ui.position[ collision[i] ] ) {
				$.ui.position[ collision[i] ][ dir ]( position, {
					targetWidth: targetWidth,
					targetHeight: targetHeight,
					elemWidth: elemWidth,
					elemHeight: elemHeight,
					collisionPosition: collisionPosition,
					collisionWidth: collisionWidth,
					collisionHeight: collisionHeight,
					offset: offset,
					my: options.my,
					at: options.at
				});
			}
		});

		if ( $.fn.bgiframe ) {
			elem.bgiframe();
		}
		elem.offset( $.extend( position, { using: options.using } ) );
	});
};

$.ui.position = {
	fit: {
		left: function( position, data ) {
			var win = $( window ),
				over = data.collisionPosition.left + data.collisionWidth - win.width() - win.scrollLeft();
			position.left = over > 0 ? position.left - over : Math.max( position.left - data.collisionPosition.left, position.left );
		},
		top: function( position, data ) {
			var win = $( window ),
				over = data.collisionPosition.top + data.collisionHeight - win.height() - win.scrollTop();
			position.top = over > 0 ? position.top - over : Math.max( position.top - data.collisionPosition.top, position.top );
		}
	},

	flip: {
		left: function( position, data ) {
			if ( data.at[0] === center ) {
				return;
			}
			var win = $( window ),
				over = data.collisionPosition.left + data.collisionWidth - win.width() - win.scrollLeft(),
				myOffset = data.my[ 0 ] === "left" ?
					-data.elemWidth :
					data.my[ 0 ] === "right" ?
						data.elemWidth :
						0,
				atOffset = data.at[ 0 ] === "left" ?
					data.targetWidth :
					-data.targetWidth,
				offset = -2 * data.offset[ 0 ];
			position.left += data.collisionPosition.left < 0 ?
				myOffset + atOffset + offset :
				over > 0 ?
					myOffset + atOffset + offset :
					0;
		},
		top: function( position, data ) {
			if ( data.at[1] === center ) {
				return;
			}
			var win = $( window ),
				over = data.collisionPosition.top + data.collisionHeight - win.height() - win.scrollTop(),
				myOffset = data.my[ 1 ] === "top" ?
					-data.elemHeight :
					data.my[ 1 ] === "bottom" ?
						data.elemHeight :
						0,
				atOffset = data.at[ 1 ] === "top" ?
					data.targetHeight :
					-data.targetHeight,
				offset = -2 * data.offset[ 1 ];
			position.top += data.collisionPosition.top < 0 ?
				myOffset + atOffset + offset :
				over > 0 ?
					myOffset + atOffset + offset :
					0;
		}
	}
};

// offset setter from jQuery 1.4
if ( !$.offset.setOffset ) {
	$.offset.setOffset = function( elem, options ) {
		// set position first, in-case top/left are set even on static elem
		if ( /static/.test( $.curCSS( elem, "position" ) ) ) {
			elem.style.position = "relative";
		}
		var curElem   = $( elem ),
			curOffset = curElem.offset(),
			curTop    = parseInt( $.curCSS( elem, "top",  true ), 10 ) || 0,
			curLeft   = parseInt( $.curCSS( elem, "left", true ), 10)  || 0,
			props     = {
				top:  (options.top  - curOffset.top)  + curTop,
				left: (options.left - curOffset.left) + curLeft
			};
		
		if ( 'using' in options ) {
			options.using.call( elem, props );
		} else {
			curElem.css( props );
		}
	};

	$.fn.offset = function( options ) {
		var elem = this[ 0 ];
		if ( !elem || !elem.ownerDocument ) { return null; }
		if ( options ) { 
			return this.each(function() {
				$.offset.setOffset( this, options );
			});
		}
		return _offset.call( this );
	};
}

}( jQuery ));
/*
 * jQuery UI Draggable 1.8.7
 *
 * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Draggables
 *
 * Depends:
 *	jquery.ui.core.js
 *	jquery.ui.mouse.js
 *	jquery.ui.widget.js
 */
(function( $, undefined ) {

$.widget("ui.draggable", $.ui.mouse, {
	widgetEventPrefix: "drag",
	options: {
		addClasses: true,
		appendTo: "parent",
		axis: false,
		connectToSortable: false,
		containment: false,
		cursor: "auto",
		cursorAt: false,
		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
	},
	_create: function() {

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

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

		this._mouseInit();

	},

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

		return this;
	},

	_mouseCapture: function(event) {

		var o = this.options;

		// among others, prevent a drag on a resizable-handle
		if (this.helper || o.disabled || $(event.target).is('.ui-resizable-handle'))
			return false;

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

		return true;

	},

	_mouseStart: function(event) {

		var o = this.options;

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

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

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

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

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

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

		//The element's absolute position on the page minus margins
		this.offset = this.positionAbs = 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.position = this._generatePosition(event);
		this.originalPageX = event.pageX;
		this.originalPageY = event.pageY;

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

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

		//Trigger event + callbacks
		if(this._trigger("start", event) === false) {
			this._clear();
			return false;
		}

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

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

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

	_mouseDrag: function(event, noPropagation) {

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

		//Call plugins and callbacks and use the resulting position if something is returned
		if (!noPropagation) {
			var ui = this._uiHash();
			if(this._trigger('drag', event, ui) === false) {
				this._mouseUp({});
				return false;
			}
			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 the original element is removed, don't bother to continue
		if(!this.element[0] || !this.element[0].parentNode)
			return 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() {
				if(self._trigger("stop", event) !== false) {
					self._clear();
				}
			});
		} else {
			if(this._trigger("stop", event) !== false) {
				this._clear();
			}
		}

		return false;
	},
	
	cancel: function() {
		
		if(this.helper.is(".ui-draggable-dragging")) {
			this._mouseUp({});
		} else {
			this._clear();
		}
		
		return this;
		
	},

	_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 (typeof obj == 'string') {
			obj = obj.split(' ');
		}
		if ($.isArray(obj)) {
			obj = {left: +obj[0], top: +obj[1] || 0};
		}
		if ('left' in obj) {
			this.offset.click.left = obj.left + this.margins.left;
		}
		if ('right' in obj) {
			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
		}
		if ('top' in obj) {
			this.offset.click.top = obj.top + this.margins.top;
		}
		if ('bottom' in obj) {
			this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top;
		}
	},

	_getParentOffset: function() {

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

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

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

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

	},

	_getRelativeOffset: function() {

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

	},

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

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

	_setContainment: function() {

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

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

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

	},

	_convertPositionTo: function(d, pos) {

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

		return {
			top: (
				pos.top																	// The absolute mouse position
				+ this.offset.relative.top * mod										// Only for relative positioned nodes: Relative offset from element to offset parent
				+ this.offset.parent.top * mod											// The offsetParent's offset without borders (offset + border)
				- ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
			),
			left: (
				pos.left																// The absolute mouse position
				+ this.offset.relative.left * mod										// Only for relative positioned nodes: Relative offset from element to offset parent
				+ this.offset.parent.left * mod											// The offsetParent's offset without borders (offset + border)
				- ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod)
			)
		};

	},

	_generatePosition: function(event) {

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

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

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

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

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

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

		}

		return {
			top: (
				pageY																// The absolute mouse position
				- this.offset.click.top													// Click offset (relative to the element)
				- this.offset.relative.top												// Only for relative positioned nodes: Relative offset from element to offset parent
				- this.offset.parent.top												// The offsetParent's offset without borders (offset + border)
				+ ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
			),
			left: (
				pageX																// The absolute mouse position
				- this.offset.click.left												// Click offset (relative to the element)
				- this.offset.relative.left												// Only for relative positioned nodes: Relative offset from element to offset parent
				- this.offset.parent.left												// The offsetParent's offset without borders (offset + border)
				+ ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
			)
		};

	},

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

	// From now on bulk stuff - mainly helpers

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

	plugins: {},

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

});

$.extend($.ui.draggable, {
	version: "1.8.7"
});

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

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

	},
	stop: function(event, ui) {

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

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

				this.instance.isOver = 0;

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

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

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

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

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

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

		});

	},
	drag: function(event, ui) {

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

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

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

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

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

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

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

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

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

				}

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

			} else {

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

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

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

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

			};

		});

	}
});

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

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

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

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

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

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

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

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

		} else {

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

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

		}

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

	}
});

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

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

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

	},
	drag: function(event, ui) {

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

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

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

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

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

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

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

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

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

		};

	}
});

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

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

		var group = $.makeArray($(o.stack)).sort(function(a,b) {
			return (parseInt($(a).css("zIndex"),10) || 0) - (parseInt($(b).css("zIndex"),10) || 0);
		});
		if (!group.length) { return; }
		
		var min = parseInt(group[0].style.zIndex) || 0;
		$(group).each(function(i) {
			this.style.zIndex = min + i;
		});

		this[0].style.zIndex = 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 1.8.7
 *
 * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Droppables
 *
 * Depends:
 *	jquery.ui.core.js
 *	jquery.ui.widget.js
 *	jquery.ui.mouse.js
 *	jquery.ui.draggable.js
 */
(function( $, undefined ) {

$.widget("ui.droppable", {
	widgetEventPrefix: "drop",
	options: {
		accept: '*',
		activeClass: false,
		addClasses: true,
		greedy: false,
		hoverClass: false,
		scope: 'default',
		tolerance: 'intersect'
	},
	_create: function() {

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

		this.accept = $.isFunction(accept) ? 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[o.scope] = $.ui.ddmanager.droppables[o.scope] || [];
		$.ui.ddmanager.droppables[o.scope].push(this);

		(o.addClasses && this.element.addClass("ui-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("ui-droppable ui-droppable-disabled")
			.removeData("droppable")
			.unbind(".droppable");

		return this;
	},

	_setOption: function(key, value) {

		if(key == 'accept') {
			this.accept = $.isFunction(value) ? value : function(d) {
				return d.is(value);
			};
		}
		$.Widget.prototype._setOption.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.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.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(".ui-draggable-dragging").each(function() {
			var inst = $.data(this, 'droppable');
			if(
				inst.options.greedy
				&& !inst.options.disabled
				&& inst.options.scope == draggable.options.scope
				&& inst.accept.call(inst.element[0], (draggable.currentItem || draggable.element))
				&& $.ui.intersect(draggable, $.extend(inst, { offset: inst.element.offset() }), inst.options.tolerance)
			) { childrenIntersection = true; return false; }
		});
		if(childrenIntersection) return false;

		if(this.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,
			offset: c.positionAbs
		};
	}

});

$.extend($.ui.droppable, {
	version: "1.8.7"
});

$.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].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 = dropped || this._drop.call(this, event);

			if (!this.options.disabled && this.visible && this.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);