function addtocartpro(prid, mdid) {
    location.href = "addcartquery.aspx?pid=" + prid + "&mid=" + mdid ;
}

function check_qty(txtqty) {
    var test = 0;
    var con = 2;
    for (var i = 0; i < document.aspnetForm.length; i++) {



        if (emptyField(document.getElementById("ctl00_ContentPlaceHolder1_DataGrid1_ctl0" + con + "_txtqty"))) {
            alert('Please enter Quantity');
            document.getElementById("ctl00_ContentPlaceHolder1_DataGrid1_ctl0" + con + "_txtqty").focus();
            return false;
        }

        if (document.getElementById("ctl00_ContentPlaceHolder1_DataGrid1_ctl0" + con + "_txtqty").value < 1) {
            alert('Quentity must be Greater then Zero.');
            document.getElementById("ctl00_ContentPlaceHolder1_DataGrid1_ctl0" + con + "_txtqty").focus();
            return false;
        }

        if (!isInt(document.getElementById("ctl00_ContentPlaceHolder1_DataGrid1_ctl0" + con + "_txtqty").value)) {
            alert('Please enter Integer value.');
            document.getElementById("ctl00_ContentPlaceHolder1_DataGrid1_ctl0" + con + "_txtqty").focus();
            return false;
        }


        con = con + 1;
    }
}