/** Delete a period
  */
 public function deleteperiodAction()
 {
     $this->_flashMessenger->addMessage($this->_noChange);
     if ($this->_request->isPost()) {
         $id = (int) $this->_request->getPost('id');
         $del = $this->_request->getPost('del');
         if ($del == 'Yes' && $id > 0) {
             $periods = new Periods();
             $where = 'id = ' . $id;
             $rallies->delete($where);
         }
         $this->_flashMessenger->addMessage(self::DELETED);
         $this->_redirect($this->_redirectUrl . 'periods/');
     } else {
         $id = (int) $this->_request->getParam('id');
         if ($id > 0) {
             $periods = new Periods();
             $this->view->period = $periods->fetchRow('id=' . $id);
         }
     }
 }