public void update(LineEvent event) {
		if (m_listener!=null) {
			m_listener.update(event);
		}
		if (Debug.TRACE) {
			if (event.getType().equals(LineEvent.Type.STOP)) {
				Debug.println("Play: Stop");
			} else if (event.getType().equals(LineEvent.Type.START)) {
				Debug.println("Play: Start");
			} else if (event.getType().equals(LineEvent.Type.OPEN)) {
				Debug.println("Play: Open");
			} else if (event.getType().equals(LineEvent.Type.CLOSE)) {
				Debug.println("Play: Close");
			}
		}
	}