Script Summary: Manage Orkut, quote messages, toolbar, quickreply, add signature, add default colors, bookmarks, chat topic.This is compatible with Better Orkut Script also. If you use then you will get two quote button. Quick reply from both the scripts.
Also you may want to get the better orkut script from here: http://userscripts.org/scripts/show/33882
Remember this Orkut manager script will only work for people having Gtalk enabled in their profile! Otherwise use the old Orkut Manager script