Old Login screen?

Hello and welcome to my thread
i need the old login screen back,because the new one laggs :S
Ive already heard something regarding to a server.dat file.
So could any1 send me the link to the thread or help meh out?:rolleyes:
thank you ! ;D

I've also been trying to figure this out, try searching around, and maybe someone will post here.

hell yeh -.-