Gtalk 上也发布过机器人，直接翻译的Gtalk
http://code.google.com/apis/ajaxlanguage/documentation/
With the AJAX Language API, you can translate and detect the language of blocks of text within a webpage using only Javascript.
The API is new, so there may be bugs and slightly less than perfect documentation. Bear with us as we fill in the holes, and join the AJAX APIs developer forum to give feedback and discuss the API.
