/**
  * Удаляем публикацию
  * 
  * @param int $_REQUEST['publication_id']		
  */
 public function deletepublicationAction()
 {
     if (!$this->_rubric) {
         throw new Exception('rubric_id не определён');
     }
     if ($publication_id = $this->getParam('publication_id')) {
         $where = $this->_modelPublications->getAdapter()->quoteInto('publication_id = ?', $publication_id);
         $this->_modelPublications->delete($where);
     }
 }