I have a layout like the following:

Now what I would like if for the “Content” part to stretch to the bottom of the browser window, but not any further. Any overflow should by handled by a scrollbar on the “Content” part. I have tried position: fixed, but couldn’t quite seem to make it work.
Of course, frames are not an option, but I don’t have to please IE6 (yay!).
Here is an example that seems to work – http://jsfiddle.net/JQW2c/3/