function printDiv(divId) {
    PageMethods.logCouponPrint();
    var divToPrint = document.getElementById(divId);
    newWin = window.open('', '', 'letf=0,top=0,width=1,height=1,toolbar=0,scrollbars=0,status=0');
    newWin.document.write(divToPrint.innerHTML);
    newWin.document.close();
    newWin.focus();
    newWin.print();
    newWin.close();
}