function GetElement(sId) {
	var o = null;
	if(document.getElementById)
		o = document.getElementById(sId);
	if(!o && document.all)
		o = document.all[sId];
	return o;
}

function SwapMM(sId, sImg, b) {
	var oImg = GetElement(sId + "_IMG");
	if(oImg) {
		oImg.src = sImg;
	}
}