//var xPos, yPos;
//var prm = Sys.WebForms.PageRequestManager.getInstance();

//prm.add_beginRequest(BeginRequestHandler);
//prm.add_endRequest(EndRequestHandler);

//function BeginRequestHandler(sender, args) {
//    xPos = $get('scrollDiv').scrollLeft;
//    yPos = $get('scrollDiv').scrollTop;
//}
//function EndRequestHandler(sender, args) {
//    $get('scrollDiv').scrollLeft = xPos;
//    $get('scrollDiv').scrollTop = yPos;
//}

function processingPayment() {
    Page_ClientValidate();
    if (Page_IsValid) {
        $get("btnCopyAddress").disabled = "true";
        $get("btnCalculateShipping").disabled = "true";
        $get("btnRedeemVoucher").disabled = "true";
        $get("btnReturn").disabled = "true";
        $get("btnComplete").disabled = "true";
        $get("lblCompletionError").style.display = "none";
        $get("divLoader").style.display = "block";
    }
}