     
     private function isValidScaleGrid():Boolean
     {
-    	return !isNaN(scaleGridLeft) &&
-        	   !isNaN(scaleGridTop) &&
-        	   !isNaN(scaleGridRight) &&
-        	   !isNaN(scaleGridBottom);
+        return !isNaN(scaleGridLeft) &&
+               !isNaN(scaleGridTop) &&
+               !isNaN(scaleGridRight) &&
+               !isNaN(scaleGridBottom);
     }
     
     //--------------------------------------------------------------------------

     *  @private
     */
    override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void
    {    	
        super.updateDisplayList(unscaledWidth, unscaledHeight);
        
        // Clear the group's graphic because graphic elements might be drawing to it


/**
 *  The Group class is the base container class for visual elements.
 *  The Group container take as children any components that implement 
 *  the IUIComponent interface, and any components that implement 
 *  the IGraphicElement interface. 
 *  Use this container when you want to manage visual children, 
 *  both visual components and graphical components. 
 *
 *  <p>To improve performance and minimize application size, 
 *  the Group container cannot be skinned. 
 *  If you want to apply a skin, use the SkinnableContainer instead.</p>
 * 
 *  @mxml
 *
 *  <p>The <code>&lt;Group&gt;</code> tag inherits all of the tag 
 *  attributes of its superclass and adds the following tag attributes:</p>
 *
 *  <pre>
 *  &lt;Group
 *    <strong>Properties</strong>
 *    blendMode="normal"
 *    mxmlContent="null"
 *    scaleGridBottom="null"
 *    scaleGridLeft"null"
 *    scaleGridRight="null"
 *    scaleGridTop"null"
 *  
 *    <strong>Events</strong>
 *    elementAdd="<i>No default</i>"
 *    elementRemove="<i>No default</i>"
 *  /&gt;
 *  </pre>
 *
 *  @see spark.components.DataGroup
 *  @see spark.components.SkinnableContainer
 *
 *  @includeExample examples/GroupExample.mxml
 *  
 *  @langversion 3.0
 *  @playerversion Flash 10
