public static boolean isSunAudioAvailable() {
		if (!sunAudioChecked) {
			sunAudioChecked = true;
			try {
				isSunAudioAvailable = Class.forName("sun.audio.AudioPlayer") != null;
			} catch (Exception ex) {
				isSunAudioAvailable = false;
			}
		}
		return isSunAudioAvailable;
	}