samba - May 2004 - Mac OS 10.3.3 Server How to hide server so users can't browse for it in Windows XP

Hi,

Does anyone know how it is possible to get a OS X 10.3.3 server to hide itself
so Windows users can't browse for it??

I have the server setup so admin users can login from a Mac or PC to a share on
it that holds the Mac IT files and I keep seeing in the log files students
trying to log into it.  I want to hide it so they hopefully think the server
went away and stop trying.

Thanks,

Dan