How to restrict websites with IE

From: Charlie (
Date: 06/23/03

Date: Mon, 23 Jun 2003 05:35:37 -0700

I want to restrict my employees from visiting websites
that are not work related, how do i go about blocking them
from the entire internet, only allowing them to visit a
few sites, and still give myself access to visit any site
i need with maybe a password?

thanks in advance