"Sabin.A.K, Bangalore" <foundsabin at gmail.com> writes: [...] > 1. Changing state with links (GET requests) > 2.Asynchronously performing batch operations I don't understand those two. > 3.Breaking the back button [...] http://en.wikipedia.org/wiki/AJAX Also of interest: http://www.mozillazine.org/talkback.html?article=7162 John