magento ajax使用,Magento ajax issue

I am trying to call magento ajax call request but not success.

I have one .phtml custom page and its contains category when i click on any category need to display category products on slider with ajax .

When i click on any category my ajax call is like below.

jQuery('#mytest').click(function(){

jQuery.ajax({

url: "/groupedajax/ajax/products",

type: "POST",

data: "id=30",

success: function(data) {

// alert(data);

jQuery('#results').html(data);

}

});

});

And Then create controller at : Account/Groupedajax/controllers/AjaxController.php

class Account_Groupedajax_AjaxController extends Mage_Core_Controller_Front_Action {

public function indexAction() { // landing page

$this->loadLayout();

$this->renderLayout();

}

}

Then create config.xml

0.1.0

standard

Account_Groupedajax

groupedajax

groupedajax.xml

Then, layout/groupedajax.php

In groupedajax.phtml

echo "this is test";

exit;

?>

Is's not working, Please help.