Frame 1
	var snd1 = new Sound(clip1);
	snd1.attachSound("audio1");
	var sndRev = new Sound(clipRev);
	sndRev.attachSound("audio1_rev");
	snd1.start();
	sndRev.start();
	var bInvert;
	_root.onLoad = function () {
		sndRev.setVolume(0);
		bInvert = false;
	};
	_root.onMouseDown = function () {
		bInvert = !bInvert;
		if (bInvert) {
			btn1._alpha = 100;
			snd1.setVolume(0);
			sndRev.setVolume(100);
		} else {
			btn1._alpha = 0;
			snd1.setVolume(100);
			sndRev.setVolume(0);
		}
	};