 
 		private static const _printing_mode_default_setting:Boolean=false;  // Set to true to enable hiding instruction so graphs look better printed		
 		private static var _printing_mode:Boolean=false; 
-				
+
+		private static var _toggle_rect_background:RectSprite;
+		 				
         public function visualize(data:Data):void
         {
             vis=new Visualization(data);

    import flare.analytics.graph.ShortestPaths;
    import flare.display.DirtySprite;
    import flare.display.TextSprite;
    import flare.query.methods.update;
    import flare.vis.Visualization;
    import flare.vis.controls.ClickControl;

            if (_edges_toogle_container)
            {
                _edges_toogle_container.y=button_y_pos;
                _edges_toogle_container.x = 3;
            }

            if (_layout_format_toggle_container)
