ajax not working and chrome but working fine in IE

Question

need help!!..it seems new Ajax.Request is not recognized based on the debug.... tried some of the recommendations online but not working..cache=false etc... Thanks!

if (init) {
    init = false;
    param = "init=" + true;
    param = encodeURI(param.replace(/^\s+|\s+$/g, ''));


    setLastRequestTimestamp(); //ryan's trial
    new Ajax.Request("downstocking_apply_async.do", {
        onSuccess: function(transport) {
            if (!isHangingRequest()) {
                alert("initUpdateScanArea");
                initUpdateScanArea(transport.responseText);
                setLastRequestTimestamp();
            } else {
                if (signalOnScan() == 1) {
                    alert("<fmt:message key="
                        message.signal_scan_off " bundle="
                        $ {
                            application
                        }
                        "/>");
                    return;
                }
                alert("<fmt:message key="
                    message.signal_downstock_suspend " bundle="
                    $ {
                        application
                    }
                    "/>");
                doSuspend();

            }
        },
        onFailure: function(transport) {
            if (!isHangingRequest()) {
                document.downstockingForm.action = "downstocking_apply_async.do?" + param;
                if (signalOnScan() == 1) {
                    alert("<fmt:message key="
                        message.signal_scan_off "    bundle="
                        $ {
                            application
                        }
                        "/>");
                    return;
                }
                setLastRequestTimestamp();
                document.downstockingForm.submit();
            } else {
                if (signalOnScan() == 1) {
                    alert("message");
                    return;
                }
                alert("message");
                doSuspend();

            }
        },
        parameters: param,
        asynchronous: "true"
    });
}

Answer 1

found the solution...a custom js library that was imported is creating confusion with prototype js Removed the custom library and it works now... thanks!