function Create() {
    if ($(".ValidateFrm").valid()) {
         ASC_JoinOurMailingList.Insert($('#txtEmail').val(), Create_Callback);
     }
}

function Create_Callback(res) {
    HideProgress();
    if (res.error != null)
        HandleError(res.error.Message);
    else {
        alert('You are successfully subscribed for our email updates.');
        $('#txtEmail').val('');
    }
}