function addtocart(x)
{
	var formid = "prd" + x;
	document.getElementById(formid).submit();
}

      function isNumberKey(evt)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && (charCode < 48 || charCode > 57))
            return false;

         return true;
      }