thumbLightShadowColor = defaults.getColor("ScrollBar.thumbLightShadow");
thumbLightShadowColor = defaults.getColor("ScrollBar.thumbShadow");
  protected void configureScrollBarColors()  {    UIDefaults defaults = UIManager.getLookAndFeelDefaults();      trackColor = defaults.getColor("ScrollBar.track");    trackHighlightColor = defaults.getColor("ScrollBar.trackHighlight");    thumbColor = defaults.getColor("ScrollBar.thumb");    thumbHighlightColor = defaults.getColor("ScrollBar.thumbHighlight");    thumbDarkShadowColor = defaults.getColor("ScrollBar.thumbDarkShadow");    thumbLightShadowColor = defaults.getColor("ScrollBar.thumbLightShadow");    }