To embed a chat in my site

Question

I want to embed a chat in my site.The chat will be used for intercommunication between two members of site, like, the one used in social networking sites like facebook. Can anyone suggest me which language i need to learn in order to make that work ?? Any link or reference to book will do.

Thanks :)

Answer 1

Here you are some sample chat created with php javascript and mysql:

http://net.tutsplus.com/tutorials/javascript-ajax/how-to-create-a-simple-web-based-chat-application/