public function registerAction()
 {
     $this->view->form = new App_Form_Login_Register();
     if ($this->getRequest()->isPost()) {
         if ($this->view->form->isValid($this->getRequest()->getPost())) {
             if (App_Model_User::addUser($this->view->form->getValue('nome'), $this->view->form->getValue('cognome'), $this->view->form->getValue('nascita'), $this->view->form->getValue('email'), $this->view->form->getValue('password'))) {
                 $this->_helper->redirector('registerOk');
             } else {
                 $this->_helper->redirector('registerKo');
             }
         } else {
             $this->_helper->redirector('registerKo');
         }
     }
 }