how to interface with yahoo,google and msn server like urs

[cnu]

hello
I am doing a project and I wanted to know how do i connect my
website to yahoo server,google and msn something like ur website and
meebo . Please
tell me where can i get the documentation of ur website.
i have downloaded the soashable frm sourceforge but i dnt see any
documentation of how it works and how to instal