>Wow, thanks, that's a very interesting page! I've just more or less
I will confess to not having read all the replies here, and the
example I'll mention is pretty old and probably contains a lot of old-
fashioned stuff, but it (according to my notes) works across browsers:http://srufaculty.sru.edu/david.dail...pacity/opasimp...
cheers
David
"digested" some of the other references others have made...time to
start tinkering with this one!
Thanks again!