"Does the button have a label or some other property that doesn't change? "
I'm not sure... how do I check that?
It's interesting though that only inside the wizard that it doesn't work (it's using Lua engine, which could be the problem). When I use the same button in a standalone page, it works just fine.
"For the breadcrumbs, you may be able to find an index that lets you traverse the tabs by number."
You lost me here... What do you mean exactly, and how do I do it? I'm gonna attach a screenshot which might explain better what I'm trying to do.
... maybe I should take a trip to California instead :-) .