function play(cat) {
	switch(cat) {
		case 'UNDERX003A': sendEvent('playitem', 0); break;
		case 'UNDERX003B': sendEvent('playitem', 1); break;
		case 'OVERX003A': sendEvent('playitem', 2); break;
		case 'OVERX003B': sendEvent('playitem', 3); break;
		case 'XPUE002A': sendEvent('playitem', 4); break;
		case 'XPUE002B': sendEvent('playitem', 5); break;
		case 'XPOE002A': sendEvent('playitem', 6); break;
		case 'XPOE002B': sendEvent('playitem', 7); break;
		case 'XPUE001A': sendEvent('playitem', 8); break;
		case 'XPUE001B': sendEvent('playitem', 9); break;
		case 'XPOE001A': sendEvent('playitem', 10); break;
		case 'XPOE001B': sendEvent('playitem', 11); break;
	}
}