A browser's history will look like a mess of in-page references after a few trips through the slideshow, making
the back button more or less useless.
In short: don't use this method!
from an idea picked up at Wait til I come.
modified: 21.sep.2007
by: G. Sørtun
variants:
#1: version with scrollbar inside frame
#2: version without scrollbar
#3: version with scrollbar outside frame