/**
  * @see	\wcf\page\IPage::readParameters()
  */
 public function readParameters()
 {
     MessageForm::readParameters();
     if (isset($_REQUEST['id'])) {
         $this->updateID = intval($_REQUEST['id']);
     }
     $this->update = new EntryUpdate($this->updateID);
     if (!$this->update->updateID) {
         throw new IllegalLinkException();
     }
     $this->entryID = $this->update->entryID;
     $this->entry = new Entry($this->entryID);
     // check news permissions
     if (!$this->entry->canEdit()) {
         throw new PermissionDeniedException();
     }
 }