function cartupdchk(){
	    formObj=document.MyCart;
		var row =	0;
		var noStr1 	= 	"";
        var textObj = document.getElementsByName("cart_amount");
        for(var i=0;i<textObj.length;i++){
        	    Intext=parseInt(textObj[i].value);
		   			if(isNaN(Intext) || Intext<=0 || Intext==""){
			       		alert("請輸入正確的商品數量!");
			       		textObj[i].focus();
			       		return false;
		   			}
		   			noStr1 +=Intext+",";
		}
			noStr1 = noStr1.substring(0,(noStr1.length-1));
			formObj.cart_upd_amount.value=noStr1;
			formObj.cart_action.value="upd";
			formObj.submit();
    }
    

    function cartdelchk(){
	    formObj=document.MyCart;
		var row =	0;
		var noStr1 	= 	"";
        var ckObj = document.getElementsByName("cart_del");
        for(var i=0;i<ckObj.length;i++){
		   		if(ckObj[i].checked==true){
		   			noStr1 +=ckObj[i].value+",";
		   		}
		}
			noStr1 = noStr1.substring(0,(noStr1.length-1));
			formObj.cart_del_no.value=noStr1;
			formObj.cart_action.value="del";
			//return true;
			formObj.submit();
    }