@Override
    public void keyReleased(KeyEvent e) 
    {
        
        switch	(e.getKeyCode())
        {	
            case KeyEvent.VK_KP_UP: bewegen("NOORD"); break;
            case KeyEvent.VK_KP_RIGHT: bewegen("OOST"); break;
            case KeyEvent.VK_KP_DOWN: bewegen("ZUID"); break;
            case KeyEvent.VK_KP_LEFT: bewegen("WEST"); break;
	}
    }