We have a graphic security seal for our customers. we want them to put it on their website, but need a way for us to control it. So that customer A is authorized. but customer b is not. Maybe it is not possible and the only way is to give them the script code.

We want it to be dynamic. similar to the concept of

http://www.comodo.com/hackerproof/index.html

Hover over the logo hackerproof. We want our to pop up similar to that. Sorry not sure what type of coding we can use.

Final details can be discussed for qualified programmers.

Thanks.