public function deleteAction()
 {
     try {
         $id = $this->getRequest()->getParam('id');
         // Met à jour les positions des flux
         $rss = new Rss_Model_Feed();
         $rss->find($id)->delete();
         // Renvoie OK
         $html = array('success' => 1);
     } catch (Exception $e) {
         $html = array('message' => $e->getMessage(), 'message_button' => 1, 'message_loader' => 1);
     }
     $this->getLayout()->setHtml(Zend_Json::encode($html));
 }