Context Sensitive Help in Browser based AIR

Hi, I have looked through all the posts here and it doesn't help. I am using RH8, fully updated.

I am coming from a html web page, part of an AJAX applications output, and I need to get to the right page in AIR, which is the only Help I can find that is compatible all the way with all browsers.

RoboHelp_CSH. js contains the function ShowHelp, which I have successfully got to work for Web help and Flash Help, so I can do MapIDs. It does not seem to work with AIR.

It says in the  Adobe Support http://help.adobe.com/en_US/RoboHelp/8.0/RoboHTML/WS5b3ccc516d4fbf351e63e3d11aff59c571-7f43.html that I need a function called RH_AIR_ShowHelp, but I can't find that on my hard disk or on the web, nor any instructions on how to use it.

What am I doing wrong, or where does it say how do I get this functionality to work?

Thanks for your time

Paul