System.err.println("Old frame state: " + oldFrameState);
	public static void hideShowJFritz() {        System.err.println("Old frame state: " + oldFrameState);		if (jframe.isVisible()) {            oldFrameState = jframe.getExtendedState();			Debug.msg("Hide JFritz-Window"); //$NON-NLS-1$			jframe.setExtendedState(JFrame.ICONIFIED);			jframe.setVisible(false);		} else {			Debug.msg("Show JFritz-Window"); //$NON-NLS-1$			jframe.setVisible(true);			jframe.toFront();            jframe.setExtendedState(oldFrameState);		}	}