/**
  * Deletes multiple smilies by $_REQUEST["sel_ids"]
  *
  * @global ilRbacSystem $rbacsystem
  * @global ilCtrl2 $ilCtrl
  */
 public function confirmedDeleteMultipleObject()
 {
     //global $rbacsystem, $ilSetting, $lng, $ilCtrl;
     global $rbacsystem, $ilCtrl;
     if (!$rbacsystem->checkAccess('write', $this->gui->ref_id)) {
         $this->ilias->raiseError($this->lng->txt('msg_no_perm_write'), $this->ilias->error_obj->MESSAGE);
     }
     $ids = $_REQUEST["sel_ids"];
     $parts = explode(",", $ids);
     if (count($parts) == 0) {
         $ilCtrl->redirect($this->gui, "smiley");
     }
     include_once "Modules/Chatroom/classes/class.ilChatroomSmilies.php";
     ilChatroomSmilies::_deleteMultipleSmilies($parts);
     $ilCtrl->redirect($this->gui, "smiley");
 }