Hi all, I don't know how you deal with javascript debugging. I just tried FireBug https://addons.mozilla.org/firefox/1843/
Place the keyword "debugger;" on a line you want the debugger to stop and let do the magic... If you want to know more, a beginner tutorial http://tinyurl.com/py39k Enjoy Jacques PS: I guess this may be of some help in spreading use of Ajax...
