Hello, Yahoo just released (with a BSD license) 2 pieces of code for rich applications : http://developer.yahoo.net/ypatterns/ http://developer.yahoo.net/yui/ I think we should definetly look at them. (the ypatterns contains very useful & dev-friendly things imho : the solution to very common problems) -- Paul POULAIN et Henri Damien LAURENT Consultants indépendants en logiciels libres et bibliothéconomie (http://www.koha-fr.org)