/* get informations about changes */
        if (isset($_POST['showpt' . $type_index])) {
            $show_pt = $_POST['showpt' . $type_index];
            if ($show_pt == 'on') {
                $show_pt = 1;
            }
        }
        if (isset($_POST['showeo' . $type_index])) {
            $show_eo = $_POST['showeo' . $type_index];
            if ($show_eo == 'on') {
                $show_eo = 1;
            }
        }
        if (isset($_POST['showdy' . $type_index])) {
            $show_dy = $_POST['showdy' . $type_index];
            if ($show_dy == 'on') {
                $show_dy = 1;
            }
        }
        /* fill array with option values */
        array_push($type_options, $show_pt);
        array_push($type_options, $show_eo);
        array_push($type_options, $show_dy);
        /* generate option string */
        $type_options_set = implode(';', $type_options);
        /* fill database with option string */
        $specmanagement_database_api->update_type_options($type_id, $type_options_set);
    }
}
form_security_purge('plugin_SpecManagement_manage_types_update');
print_successful_redirect(plugin_page('manage_types', true));