function SetProductImage(newSrc,wid,ht){
			var mainImg = $get("mainProdImg");
			mainImg.src = newSrc;
			mainImg.width = wid;
			mainImg.height = ht;
			}
			function CheckRadio(roid, newValue) {
			var ro = $get(roid);
			if(!ro)
			return;
			var radioLength = ro.length;
			if(radioLength == undefined) {
			ro.checked = (ro.value == newValue.toString());
			return;
			}
			for(var i = 0; i <radioLength; i++) {
			ro[i].checked = false;
			if(ro[i].value == newValue.toString()) {
			ro[i].checked = true;
			}
			}
			//alert("set " + newValue);
			}