private MenuBar createMenuBar() {
MenuBar menuBar = new MenuBar();
Menu menuCommon = new Menu("Menu");
MenuItem miexit = new MenuItem("Exit");
miexit.setOnAction(new ExitEventHandler());
MenuItem milogout = new MenuItem("Log out");
milogout.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
setPanel(PanelType.LoginPanel, null);