Form data preview with DOMMonday, January 30th, 2006 at 6:03 pm
I got asked to set this up as a proof of concept for an upcoming project, and it might be helpful to you guys, too:
Previewing collated form data with DOMscripting
The code is a bit wooly at the moment and I will clean it up and explain a bit more if I get the time.
In the meantime, just give it a swirl.