function SubmitForm(e, btnId, doValidation, postBackUrl)
{
    if (e.keyCode && e.keyCode == 13)
    {
        var postBackUrl = (typeof postBackUrl == 'undefined') ? "" : postBackUrl;    

        WebForm_DoPostBackWithOptions(new WebForm_PostBackOptions(btnId, "", doValidation, "", postBackUrl, false, true));
    }
}