>>> On 6/19/2007 at 9:55 AM, in message > Firebug is an excellent Firefox extension for debugging AJAX > applications. The author has an nice overview on Dr Dobb's > http://www.ddj.com/dept/debug/196802787;jsessionid=DBRQUDYD5BFW0QSNDLRSK > HSCJUNN2JVN?_requestid=992654 The 'Web Developer Toolbar' is another nice Firefox extension.