function UpdateQty(item,doc){
			error=false;
			c = document.frmCart.elements.length;
			for(i=0;i<c;i++){
				if(document.frmCart.elements[i].value==""){ 
					error = true; 
					break;
				}
			}
			if(error){
				alert("You must have a value in the Quantity Field");
			}else{
				document.frmCart.submit();
			} 
		}
		
		function set_session(){
			//__utmLinker("http://www.smilesaverbrush.com/store/includes/cart/cart_set_ses.php?set_session=true");
			document.getElementById('session').src= 'http://www.smilesaverbrush.com/store/includes/cart/cart_set_ses.php?set_session=true';
		}