atoz search snippet

I have recently been using Garryn’s atoz snippet version 0.6. It is fantastic and works great, but I have one problem. I want the search to search a hidden folder, which includes hidden containers, and then the files. Ajaxsearch supports the &depth parameter (which would be 2 in my case), does anyone know how to amend the snippet to include this kind of parameter? Any help appreciated

Also while I am on the subject, how can I amend my results so as to show, say a maximum of 10 results per page?

I have tried to contact garry but with no luck, anybody know how I can progress with this problem?