isAjax() - how do I use?

[Danielle Tilley]

I am using Cake 1.2 I am trying to add the following function to my app_controller - from bakery article Redirects with Ajax - http://bakery.cakephp.org/articles/view/92 =======================================   function redirect($url, $status = null, $die = true) {       if ($this->RequestHandler->isAjax() || isset ($this->params['requested'])) {           echo $this->requestAction($url, array (                   'return'               ));       } else {           parent :: redirect($url, $status);       }       if ($die) {           die;       } else {           return false;       }   }     ======================================== I keep getting the following error: Fatal error: Call to a member function on a non-object in C:\Documents and Settings\Danielle\My Documents\WebDevelopment\Current Projects\app\app_controller.php on line 44 --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Cake PHP" group. To post to this group, send email to cake-php@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/cake-php?hl=en -~----------~----~----~----~------~----~------~--~---