Wow Naval, you are going to fast :)
So the script I installed SHOULD work, right?
Well, it doesn't, so I must be doing something wrong.
Could you please take a look at

http://www.couponearlywarningsystem..../diamond1.html

It's a subdomain. I installed all (3) files in the same folder as the page is. But for some reason no result.

It's a dejavu BTW. I had the same problem a couple of months ago on a different website. Managed to get it work then, but can't remember how :(
Your expert advice would be great!