function render()
 {
     # Controleer de users' rechten
     $this->_spotSec->fatalPermCheck(SpotSecurity::spotsec_mark_spots_asread, '');
     # en update het user record
     $spotUserSystem = new SpotUserSystem($this->_db, $this->_settings);
     # clear the spotstate list als dit toegestaan is
     if ($this->_spotSec->allowed(SpotSecurity::spotsec_keep_own_seenlist, '')) {
         $this->_db->markAllAsRead($this->_currentSession['user']['userid']);
     }
     # if
     # we willen niet dat dit gecached wordt
     $this->sendExpireHeaders(true);
     # reset the lastvisit en lastread timestamp
     $spotUserSystem->resetReadStamp($this->_currentSession['user']);
     echo "<xml><return>ok</return></xml>";
 }