CSS set width to fill % of remaining area

Question

Sorry for the slightly rubbish title. I could not think how to describe this one better.

I am trying to implement the Google Friend Connect members gadget on my sit

Answer 1

It is. You're looking for a semi-fluid layout. The quest was was originally the holy grail of CSS implementation... But as you can see from that link (they're doing 3 columns, 2 fixed but it's easy to alter), it's a problem long solved =)