public function listeAction()
 {
     $this->view->layout = false;
     $limit = $this->getRequest()->getParam('limit');
     $model = new Application_Model_Logic_EncyclopedieMapper();
     $articles = $model->getShort();
     unset($model);
     $newArticles = array();
     for ($i = 0; $i < $limit; $i++) {
         if (count($articles)) {
             $id = array_rand($articles);
             $newArticles[] = $articles[$id]->__toArray();
             unset($articles[$id]);
         } else {
             $newArticles[] = null;
         }
     }
     $this->view->list = $newArticles;
 }