sel_model = new DefaultListSelectionModel(); setModel(new DefaultListModel());
select_back = new Color(0,0,255); select_fore = new Color(255,255,255);
	void init() {		render = new DefaultCellRenderer();		sel_model = new DefaultListSelectionModel();		setModel(new DefaultListModel());		select_back = new Color(0, 0, 255);		select_fore = new Color(255, 255, 255);		updateUI();	}