Where is mod_jk?

[Yuri Zabrodskii]

Dear Colleague,
I can't find mod_jk.dll or its source code. Where is it?
If it's not available, can I use mod_jserv with tomcat?
If yes, what is installation procedure?
Thanks a lot in advance for your help.
Yuri Zabrodski,
Toronto Canada
[EMAIL PROTECTED]