$a->lang_str = $lang_str;
switch ($action) {
    case "list":
        $a->browse($p, 20, $pos);
        break;
    case "add":
        $a->add();
        break;
    case "edit":
        $a->edit($id);
        break;
    case "show":
        $a->show($id);
        break;
    case "save":
        $vars = $_POST;
        $vars['photo'] = $_FILES['photo'];
        //print_r($vars);return;
        $a->save($p, $vars);
        break;
    case "delete":
        $a->delete($id);
        break;
    case "batchDelete":
        $ids = $_POST['del'];
        $a->batchDelete($p, $ids);
        break;
    default:
        $a->browse($p, 20, $pos);
        break;
}