diff --git a/system/controller.php b/system/controller.php
index dc51490..7e1fe9e 100644
--- a/system/controller.php
+++ b/system/controller.php
@@ -2,39 +2,47 @@
 
 class Controller {
 	
-	public function loadModel($name)
-	{
-		require(APP_DIR .'models/'. strtolower($name) .'.php');
+	public function loadModel($name){
+		require(APP_DIR .'models'. DS . strtolower($name) .'.php');
 
 		$model = new $name;
 		return $model;
 	}
 	
-	public function loadView($name)
-	{
+	public function loadView($name){
 		$view = new View($name);
 		return $view;
 	}
 	
-	public function loadPlugin($name)
-	{
-		require(APP_DIR .'plugins/'. strtolower($name) .'.php');
+	public function loadPlugin($name){
+		require(APP_DIR .'plugins'. DS . strtolower($name) .'.php');
 	}
 	
-	public function loadHelper($name)
-	{
-		require(APP_DIR .'helpers/'. strtolower($name) .'.php');
+	public function loadHelper($name){
+		require(APP_DIR .'helpers'. DS . strtolower($name) .'.php');
 		$helper = new $name;
 		return $helper;
 	}
 	
-	public function redirect($loc)
-	{
+	public function redirect($loc){
 		global $config;
 		
 		header('Location: '. $config['base_url'] . $loc);
 	}
+
+	public function render($response=array(), $tipo='json'){
+		$tipo = strtolower($tipo);
+		if($tipo === 'json'){
+			die(json_encode($response));
+		}
+		else if($tipo === 'jsonp'){
+			die($_REQUEST['callback'] . '(' . json_encode($response) . ');' );
+		}
+		else{
+			die($response);
+		}
+	}
     
 }
 
-?>
\ No newline at end of file
+?>