IM status on web pages

Apparently, putting the icon indicating your status on various IM systems is very easy. For more popular IM systems, you can try Online Status Indicator . It's written in Java and apparently can run on any machine. I'm thinking about using it for out closed jabber server, on a page with all user names so that users can have an overall view who is online.

As for "not-so-popular" IM systems, at least outside Poland, I've found this new changes to Gadu Gadu, IM system most popular in Poland:

New change in GG to indicate if the user is on-line: link to this http://status.gadu-gadu.pl/users/status.asp?id=(id) where id is your GG's id. Here's my status: