revalidate();
	public void addFrame(final JInternalFrame frame) {		log.debug("addFrame " + frame.getTitle());        final FrameWrapper wrapper = new FrameWrapper(frame);        SwingUtilities.invokeLater(new Runnable() {            public void run() {                wrappers.put(frame, wrapper);                model.addElement(wrapper);                repaint();            }                    });	}