public BlueScreenModule(){
super();
setLayout(new BorderLayout());
JCheckBox activated = new JCheckBox(Messages.getString("Activated"), !Settings.getPropertyBoolean(ConstantKeys.bluescreen_activ));
activated.addItemListener(new ItemListener(){
@Override
public synchronized void itemStateChanged(ItemEvent e) {
boolean b = (e.getStateChange() == ItemEvent.SELECTED);
Settings.setProperty(ConstantKeys.bluescreen_activ, b);