/**
  * @see Action::readParameters()
  */
 public function readParameters()
 {
     parent::readParameters();
     if (isset($_REQUEST['juryID'])) {
         $this->juryID = intval($_REQUEST['juryID']);
     }
     $this->jury = new ContestJuryEditor($this->juryID);
     if (!$this->jury->juryID) {
         throw new IllegalLinkException();
     }
     if (!$this->jury->isDeletable()) {
         throw new PermissionDeniedException();
     }
 }