public function ajouterAction()
 {
     $form = new Application_Form_Album();
     $form->envoyer->setLabel('Ajouter');
     $this->view->form = $form;
     if ($this->getRequest()->isPost()) {
         $formData = $this->getRequest()->getPost();
         if ($form->isValid($formData)) {
             $artiste = $form->getValue('artiste');
             $titre = $form->getValue('titre');
             $albums = new Application_Model_DbTable_Albums();
             $albums->ajouterAlbum($artiste, $titre);
             $this->_helper->redirector('index');
         } else {
             $form->populate($formData);
         }
     }
 }