diff --git a/application/controllers/main.php b/application/controllers/main.php
index b1c40ac..b303565 100644
--- a/application/controllers/main.php
+++ b/application/controllers/main.php
@@ -2,11 +2,16 @@
 
 class Main extends Controller {
 	
-	function index()
-	{
+	function index(){
 		$template = $this->loadView('main_view');
 		$template->render();
 	}
+	
+	function category(){
+		//return ajax json
+		$model = $this->loadModel('example_model');
+		$this->render(array('data'=>$model->getCategory()), 'json');
+	}
     
 }