      */
     override public function swapChildrenAt(index1:int, index2:int):void
     {
-        throw(new Error("This method is not available in this class.  Please consult the documentation."));
+        throw(new Error(resourceManager.getString("components", "methodUnavailable")));
     }
     
 }

     */
    override public function swapChildren(child1:DisplayObject, child2:DisplayObject):void
    {
        throw(new Error("This method is not available in this class.  Please consult the documentation."));
    }
    
    /**

     */
    override public function addChildAt(child:DisplayObject, index:int):DisplayObject
    {
        throw(new Error(resourceManager.getString("components", "methodUnavailable")));
    }
    
    /**
