Autologon without password

In setting up workstations for the public in a library, we have minimal access and no password.

But on bootup, we still have to go around and press the enter key when it asks for the password.

I remember in Novell days we could write a login script (EXIT) so it would automatically move past this step.

How do we do this at a Win98se workstation on a 2000 Server platform?

One answer was TweakUI but is there something simpler?