Java IM/chat software

[Maxpixelz]

I am looking for a reliable IM type software that is java based. It has to be customizable.
Please let me know where I can get such a software to incorporate in a site.

[Babaganoosh]

http://www.chatblazer.com

http://www.spin.de/en

[Maxpixelz]

I am looking more for a one on one IM like ICQ

They dont seem to offer this on the sites you sent.
Still reading.