Thanks for the quick reply. I suspected it was not on the up and up so I have closed the link every time but was hoping I wasn't losing out on something.
That's a strange response, so I think you misinterpreted. In case Al's post wasn't clear enough, you have malware on your computer or your browser, and you need to get rid of it. There are some tips in another thread:
Imagine a pathologically idealistic, anti-religious, culturally-relativistic, iconoclastic, socially-irreverent, sociologically-progressive signature line here. Or don't.