Open a window!
My attempt at implementing a basic windowing functionality using only HTML, Javascript and CSS.. It's a little finicky at times, but quite fun. Coupled with XMLHTTPRequest objects (like gmail uses), you can update the contents of each window independently, makes for some interesting possibilities.
I've had reports that Internet Explorer doesn't handle this very well, but it currently works quite nicely with Firefox.
Find this interesting? stupid? neat? whatever? already thought of such a thing and I didn't notice? email me if you wish at mriedesel@gmail.com, and don't mail me to whine about javascript, this is more a proof-of-concept rather than a suggestion for your personal website.
-Klowner