function action_login()
 {
     if (isset($_GET['recieve']) && $_GET['recieve'] == '1') {
         $model = new Model_login();
         $err = $model->form_login();
         if ($err == null) {
             $this->view->generate('login_view.php', 'template_view.php');
         } else {
             $data = $err;
             $this->view->generate('login_view.php', 'template_view.php', $data);
         }
     } else {
         $this->view->generate('login_view.php', 'template_view.php');
     }
 }