Is it Flash? Do you have the source files on the server?
If it’s HTML you’re going to have trouble keeping control of the files - there’s just not a good way to prevent him from downloading all of it.
If it’s Flash there’s all kinds of fun stuff you can do - you could even set the site to expire after a week and completely stop working, and if he doesn’t have the source files, there’d be no way to change it. :thumb: