// JScript File
function UpgradeBuy(itemcode, iunits, smeascode)
{

    var objItemCode, objMeasCode, objUnits; 
    objItemCode = eval('document.aspnetForm.' + hdnItemCode);
    objMeasCode = eval('document.aspnetForm.' + hdnMeasCode);
    objUnits = eval('document.aspnetForm.' + hdnUnits);

    objItemCode.value = itemcode;

    objMeasCode.value = smeascode; 
    objUnits.value = iunits;
    document.aspnetForm.method="post";
    document.aspnetForm.submit();
}