public static function set_section_visible($course_id, $section, $active)
 {
     global $CFG, $DB;
     $params = self::validate_parameters(self::set_section_visible_parameters(), array('course_id' => $course_id, 'section' => $section, 'active' => $active));
     $auth = new auth_plugin_joomdle();
     $return = $auth->set_section_visible($course_id, $section, $active);
     return $return;
 }