Updated from 1.3.2 to 1.4.2 and code doesn't work

Updated from 1.3.2 to 1.4.2 and code doesn't work

Hi everyone.  I'm speed up some jQuery code I have, so I just updated from jQuery 1.3.2 to 1.4.2.
However, the code doesn't work anymore...
It is a recursive ajax-request + page-update cycle.
My function ajRequest is like this:
  1. function ajRequest(){
  2.     jQuery.post( myurl, {}, function( response ){
  3.          updatePageMessages( response );
  4.          ajRequest();
  5.     } )
  6. }

The code is fully functional in jQuery 1.3, but it just doesn't make the recursive call in 1.4.
What can I do to make it work? Thanks in advance.