Thanks for looking at that and the suggestion to use:
That indeed does make the top stay fixed in IE, and the bottom scrolls, but
it's pretty ugly. The scroll bar for the bottom div is inset inside where the
normal scroll bar would be.
It looks better if I remove the docType and go back to using
document.Element.clientHeight, but it would be nice to have a docType on the
Anyway, you've pointed me in the right direction. If anyone else can manage to
make my example with the docType look better, please show me how.