WMCloak

This cloaks verifies the IP and *optionally* the "Remote_Host" and then looks for the user agent. If someone comes from a cluster of IPs that is in this script but is using a Mozilla browser (Netscape or MSIE), they will be directed to the "human" page. This script will also keep a would-be code stealer from having access to your pages. You will notlose rank when someone foolish decides to copy your page and get you both kicked out of the Search Engines.