if (JFritz.getProperty("option.confirmOnExit", "true") == "true")
if (JFritzUtils.parseBoolean(JFritz.getProperty("option.confirmOnExit", "false")))
	public void showExitDialog() {		boolean exit = true;		if (JFritz.getProperty("option.confirmOnExit", "true") == "true")			exit = JOptionPane.showConfirmDialog(this, JFritz					.getMessage("really_quit"), JFritz.PROGRAM_NAME,					JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION;		if (exit) {			// Speichern der Daten wird von ShutdownThread durchgefhrt			System.exit(0);		}	}