public static function run($obj, $webClass, $fktname)
 {
     if ($obj instanceof Model) {
         $cmd = isset($_GET['cmd']) ? addslashes($_GET['cmd']) : 'read';
         if ($cmd == "savetree") {
             $t = new TreeStructure();
             $t->saveTree($obj, $webClass);
             //Crud::createForm($obj, $webClass);
             die;
         }
         if ($cmd == "add") {
             $t = new TreeStructure();
             $t->editMenu($obj, $webClass);
             die;
         }
         TreeStructure::printTree($obj, $webClass, $fktname);
     } else {
         die('Crud hanya bisa dipakai dengan object Crud');
     }
 }