int total = window.list.getModel().getSize();
		void handleTopLevelDown(KeyEvent evt)		{			if(window.isShowing())			{				int total = window.list.getModel().getSize();				int selected = window.list.getSelectedIndex();				if(selected != total - 1)				{					window.list.setSelectedIndex(selected + 1);					window.list.ensureIndexIsVisible(selected + 1);				}				evt.consume();			}			else				super.processKeyEvent(evt);		}