Update: May 25, 2005 3:58 PM EDT
OK, I was wrong. The AIM detect script I posted works with IE and
Netscape 4.7, but with Mozilla/Firefox, it doesn't detect AIM 5.9.
Somehow the setup of the application/x-aim MIME type got busted in AIM
5.9 (maybe also in 5.5). Hopefully we can get this fixed for the AIM