Missing Method in KyosanController

Error: The action  http: is not defined in controller KyosanController

Error: Create KyosanController:: http:() in file: app/controllers/kyosan_controller.php.

<?php
class KyosanController extends AppController {

	var $name = 'Kyosan';


	function  http:() {

	}

}
?>

Notice: If you want to customize this error message, create app/views/errors/missing_action.ctp.