     {
         if (_backgroundImageBounds && value && _backgroundImageBounds.equals(value))
             return;
-            
+
         _backgroundImageBounds = value;
 
         invalidateDisplayList();

    /**
     *  The DisplayObject instance that contains the background image, if any.
     *  This object is a sibling of the RectangularBorder instance.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */ 
    private var backgroundImage:DisplayObject;

    /**
     *  Contains <code>true</code> if the RectangularBorder instance
     *  contains a background image.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */
    public function get hasBackgroundImage():Boolean
    {

     *  if the parent container has scrollable content.
     *  If this property is null, the border can use
     *  the parent's size and <code>viewMetrics</code> property to determine its value.
     */
    public function get backgroundImageBounds():Rectangle
    {
