private void openModalPopup() {
 		final UserLogIn uli = new UserLogIn();
 		ModalPopup modal = openModalPopup(uli, "Log In", 374, 178, new ModalPopup.IModalPopupListener() {
 			@Override
 			public void reactOnPopupClosedByUser(){
 				closePopup(uli);
 			}
 		});
                 modal.setLeftTopReferenceCentered();
 		uli.prepare(new UserLogIn.ICloseListener(){
 			@Override
 			public void reactOnClose(){
 				modal.close();
 				HttpSessionAccess.getCurrentHttpSession().setAttribute("UserID", uli.getUserName());
 				buildMenuNodes("#{d.MainUI.tree0}");
 				buildMenuSuite();
 			}
 		});
 	}