public function getOtherRolesTableHTML()
 {
     global $lng, $rbacreview;
     $arrLocalRoles = $rbacreview->getLocalRoles($this->parent_object->getRefId());
     $html = "";
     foreach ($arrLocalRoles as $role_id) {
         $ilObjRole = new ilObjRole($role_id);
         if (!preg_match("/il_orgu_/", $ilObjRole->getUntranslatedTitle())) {
             $other_roles_table = new ilOrgUnitOtherRolesTableGUI($this, 'other_role_' . $role_id, $role_id);
             $other_roles_table->readData();
             $html .= $other_roles_table->getHTML() . "<br/>";
         }
     }
     if (!$html) {
         $html = $lng->txt("no_roles");
     }
     return $html;
 }