Another interesting project along these lines is interface.js http://www.charlie-roberts.com/interface/index.html http://www.charlie-roberts.com/interface/inde

Another interesting project along these lines is interface.js http://www.charlie-roberts.com/interface/index.html http://www.charlie-roberts.com/interface/index.html It provides a api for specifying which elements you'd like in your interface, and then handles the layout of those for you.