m_visPanel = null;
  protected void appearanceDesign() {    removeAll();    m_visual = new BeanVisual("DataVisualizer", 			      BeanVisual.ICON_PATH+"DefaultDataVisualizer.gif",			      BeanVisual.ICON_PATH			      +"DefaultDataVisualizer_animated.gif");    setLayout(new BorderLayout());    add(m_visual, BorderLayout.CENTER);  }