function screen_settings($current, $screen) {
        if (!empty($_GET['page']) && $_GET['page'] == "newsletters-subscribers") {
                global $Db, $Field;
                $Db -> model = $Field -> model;
                $conditions['1'] = "1 AND `slug` != 'email'";
                $fields = $Db -> find_all($conditions, false, array('title', "ASC"));

                $current .= $this -> render('subscribers' . DS . 'screen-options', array('fields' => $fields), false, 'admin');
        }
        return $current;
    }