David,

I think you've been infested by trojan ad programs. I only have on ad at the top right (that's built into the page) that is the typical Catsailor fare. No popups. Try running ad-aware software...it's free.

http://www.download.com/Ad-Aware-SE-Personal-Edition/3000-8022_4-10399602.html?tag=lst-0-2


Jake Kohl