public function indexAction()
 {
     $this->view->form = new Avatar_Form_Modifica();
     if ($this->getRequest()->isPost()) {
         if ($this->view->form->isValid($this->getRequest()->getPost())) {
             App_Model_User::editUser($this->view->form->getValue('id'), $this->view->form->getValue('nascita'), $this->view->form->getValue('luogo'), $this->view->form->getValue('descrizione1'), $this->view->form->getValue('descrizione2'), $this->view->form->getValue('descrizione3'));
         }
     } else {
         $this->view->form->populate($this->view->pg->toForm());
     }
 }