I been learning Ajax, and what better way to learn it then making a chatroom/shoutbox!
While I was in the process of making it, I thought it would be pretty neat to make it so that people can make their own with colors and even a public channel.
If you want to test it out, check it out here: http://qlilp.com/test/chat/
If you want to make your own, check it out here: http://qlilp.com/index.php?Page=newchat