How do I change the initial map info screen?

[sfunk1x]

I notice a lot of servers when you join them, instead of showing the map info page that give syou the background of the map, they display their website.

Which file do I need to edit to have that redirect happen for my own server? I'm running mani mod 1.2n beta as well. I'd search if search worked, but I don't know exactly what I'm looking for.

Thanks guys.

[eXaXXion]

modify motd.txt
write in html code