This is an accordion: http://developer.yahoo.com/ypatterns/navigation/accordion.html http://developer.yahoo.com/ypatterns/navigation/accordion.ht... Which brin

This is an accordion: http://developer.yahoo.com/ypatterns/navigation/accordion.html http://developer.yahoo.com/ypatterns/navigation/accordion.ht... Which brings up the fact that Yahoo did give us an organized Design Pattern Library replete with nomenclature, descriptions, and examples. http://developer.yahoo.com/ypatterns/ http://developer.yahoo.com/ypatterns/