      */
     public function set luminosityInvert(value:Boolean):void
     {
-    	if (_luminosityInvert == value)
+        if (_luminosityInvert == value)
             return;
 
         _luminosityInvert = value;
-		luminositySettingsChanged = true;
-		invalidateDisplayList(); 
-    }
-
-	//----------------------------------
+        luminositySettingsChanged = true;
+        invalidateDisplayList(); 
+    }
+
+    //----------------------------------
     //  luminosityClip
     //----------------------------------
     

        }
    }

	//----------------------------------
	//  overlay
	//----------------------------------

	/**
	 *  @private
	 *  Storage for the overlay property 
	 */
	mx_internal var _overlay:DisplayLayer;

	[Inspectable(category="General")]

	/**
	 *  The overlay plane for this Group.
	 *  All objects of the overlay plane render on top of the Group elements.
	 *  Don't hold on to this object, as Group destroys and creates it on demand.
	 *   
	 *  @langversion 3.0
	 *  @playerversion Flash 10
	 *  @playerversion AIR 1.5
	 *  @productversion Flex 4
	 */
	public function get overlay():DisplayLayer
	{
		if (!_overlay)
		{
			_overlay = new DisplayLayer();
			_overlay.addEventListener(DisplayLayerObjectExistenceEvent.OBJECT_ADD, overlay_objectAdd);
			_overlay.addEventListener(DisplayLayerObjectExistenceEvent.OBJECT_REMOVE, overlay_objectRemove);
			
			// Invalidate properties, so that if nothing was actually added to the
			// overlay object, we'll clean it up:
			invalidateProperties();
		}
		return _overlay;
	}
	
	/**
	 *  @private
	 *  Event listener to add overlay objects when added to the overlay DisplayLayer.
	 */
	private function overlay_objectAdd(event:DisplayLayerObjectExistenceEvent):void
	{
		super.addChildAt(event.object, event.index + numChildren - _overlay.numDisplayObjects + 1);
	}
	
	/**
	 *  @private
	 *  Event listener to remove overlay objects when removed from the overlay
	 *  DisplayLayer.
	 */
	private function overlay_objectRemove(event:DisplayLayerObjectExistenceEvent):void
	{
		// Remove the object from the display list
		super.removeChild(event.object);
		
		// Is this the last display object?
		if (_overlay.numDisplayObjects == 1)
			invalidateProperties();
	}
	
	/**
	 *  Destroys the overlay object. This method gets called on commitProperties
	 *  when the overlay doesn't contain any objects. 
	 */
	private function destroyOverlay():void
	{
		_overlay.removeEventListener(DisplayLayerObjectExistenceEvent.OBJECT_ADD, overlay_objectAdd);
		_overlay.removeEventListener(DisplayLayerObjectExistenceEvent.OBJECT_REMOVE, overlay_objectRemove);
		_overlay = null;
	}

	//----------------------------------
    //  resizeMode
    //----------------------------------
    

     */
    public function set maskType(value:String):void
    {
        if (_maskType != value)
        {
            _maskType = value;
            maskTypeChanged = true;
