function SwapMM(sId, b) {
	if(document.getElementById) {
		var oTD = document.getElementById(sId);
		if(oTD) {
			if(oTD.className.indexOf('itemA') >= 0)
				oTD.className = (b) ? "itemAO" : "itemA";
			else
				oTD.className = (b) ? "itemO" : "item";
		}
	}
}