Experimental layout use at your own risk.
Quickly tested in IE5.5, IE6, IE7, Opera 9 and Firefox 2 and 3, Safari 3
The header needs to be a fixed height (but you could add overflow:auto instead of hidden to force scrollbars for larger content).
A horizontal scrollbar will appear on the bottom of this pane if you have content that is too wide such as a large image as shown above.
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