Yes, view the source of your files. Where it inserts its own banner code, place a <noscript> tag before and a </noscript> tag after the place it injects its code.
This is usually your body tag.
So for example...
<!--Byethost Banner Code Begins Here-->
[Encrypted Body Tag Goes Here]
Note: If you have more text in your Body Tag, use this http://xer0syk0.byethost8.com/htmlencrypt.htm
to encrypt it and use that instead.