Not too sure, you may want to draw one out on paper first. Then perhaps throw up a web page with links that jump from section to section depending on answers to questions.
There is something like this for fedora and libreoffice contribution, but i think both are not official so are hard to find.
@gray
Sometimes, a flat diagram works better as it is easier to maintain, my solution could take a long time
Sometimes simple works better too.
@zleap That is an incredibly good point.
@zleap Thanks.
At this rate, they're just going to get the flat diagram and have to live with it.
I was having one of those "I wonder if I could be nice" moments. They don't happen that often :).