private void showTitle() {
    	mode = ZombieMode.TITLE;
    	if (title == null) {
    		title = new ZombieTitle(frame.getWidth(), frame.getHeight());
    	}
    	assert (title != null);
    	
        while (frame == null) {
            try {
                wait();
            } catch (InterruptedException ex) {
                ex.printStackTrace();
            }
        }
        Container content = frame.getContentPane();
        content.add(title);
        frame.setContentPane(content);
        frame.repaint();
    }