function moderate()
 {
     $id = (int) $this->urlParams['ID'];
     $className = Convert::raw2sql($this->urlParams['ClassName']);
     $state = Convert::raw2sql($this->urlParams['State']);
     $methods = array("delete" => "moderatorDelete", "isspam" => "markSpam", "isham" => "markHam", "approve" => "markApproved", "unapprove" => "markUnapproved");
     ModeratableState::push_state($state);
     $method = $methods[$this->urlParams['Command']];
     if (!$method) {
         FormResponse::clear();
         FormResponse::status_message("Command invalid", 'bad');
     } else {
         if ($error = DataObject::get_by_id($className, $id)->{$method}()) {
             FormResponse::status_message($error, 'bad');
         } else {
             FormResponse::add('$("moderation").elementMoved(' . $id . ');');
         }
     }
     ModeratableState::pop_state();
     return FormResponse::respond();
 }