> And these do stand out from the crowd: > > Yahoo UI Library > http://developer.yahoo.com/yui/ I work with and for this one and I can say that if you want robustness and a lot of documentation and support by other developers, it is a great choice. > Scriptacoulous > http://script.aculo.us/ This one is very effect oriented and based on prototype, which is the real library. Other contenders: http://jquery.com/ http://www.mochikit.com/ There is a great browser support chart at musingsfrommars: http://www.musingsfrommars.org/2006/03/ajax-dhtml-library-scorecard.html -- Chris Heilmann Book: http://www.beginningjavascript.com Blog: http://www.wait-till-i.com Writing: http://icant.co.uk/