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

     */
    mx_internal function removingGraphicElementChild(child:IGraphicElement):void
    {
        child.parentChanged(null);
        discardDisplayObject(child);        
    }

    /**
     *  Removes the element's <code>DisplayObject</code> from this <code>Group's</code>
     *  display list and sets the element's <code>displayObject</code> property to null.
     *
     *  The <code>Group</code> also ensures any elements that share the
     *  <code>DisplayObject</code> will be redrawn.
     * 
     *  <p>This method doesn't trigger new <code>DisplayObject</code> reassignment.
     *  To request new display object reassignment, call the
     *  <code>graphicElementLayerChanged</code> method.</p> 
     *

        }

        // Make sure we remove the old display object, if needed
        if (oldDisplayObject && oldDisplayObject.parent == this &&
            oldDisplayObject != displayObject && oldSharedIndex <= 0)
            super.removeChild(oldDisplayObject);
    }

