<NME> AjaxController.php
<BEF> <?php
class AjaxController extends Controller
{
	public $is_ajax = true;
	public $layout = false;
	public $jp = '';

		parent::init($ctx);
		$this->layout = false;
		
		$jp = trim($_GET['_jp']);
		if(preg_match('/^[a-z0-9_]+$/i', $jp)){
			$this->jp = $jp;
		}
	}
}

<MSG> udpate

<DFF> @@ -8,7 +8,7 @@ class AjaxController extends Controller
 		parent::init($ctx);
 		$this->layout = false;
 		
-		$jp = trim($_GET['_jp']);
+		$jp = trim($_GET['callback']);
 		if(preg_match('/^[a-z0-9_]+$/i', $jp)){
 			$this->jp = $jp;
 		}

udpate