The reason
weblord may have asked what is there is because you're having your script put out 403 header's to the browser...In IE, you don't see your message, but rather this >>
If you don't mind (

), so others with IE can see it, I took the liberty of making a copy here:
http://nameservice.net/NP/tres-403error.php
Those with other browsers, like FireFox, see your original custom 403 page to begin with.
I recommend a little icon of ---

--- on the page
