Missing Controller

Error: JsController could not be found.

Error: Create the class JsController below in file: sgk-net.co.jp/controllers/js_controller.php

<?php
class JsController extends AppController {

	var $name = 'Js';
}
?>

Notice: If you want to customize this error message, create sgk-net.co.jp/views/errors/missing_controller.ctp