//
// do NOT include validate session...the validation is done in the
// constuctor of AjaxResponse
//
require_once(dirname(__FILE__) . "/../../core/globalSettings.php");

$ajaxResponse = new AjaxResponse($_POST);

switch ($ajaxResponse->getMethod()) {
  case "your method" :

    //
    // YOUR CODE:
    //
    // You could read a parameter passed from the client
    //

    $param = $ajaxResponse->getParameter("key");

    //
    // YOUR CODE:
    //
    // You could create an object to be returned to the client
    // $resultObj MUST BE AN ASSOCIATIVE ARRAY OR AN OBJECT
    //
    // $resultObj = ...
    // $ajaxResponse->setResult($resultObj);

    $ajaxResponse->setSuccess(true);
    break;
  default:
    $ajaxResponse->setSuccess(false);
    $ajaxResponse->setMessage(_mb("An unknown error occured."));
    break;
}
$ajaxResponse->send();