No, don't think so -- I don't play with anything along those lines. I'm thinking it's much more likely related to Netscape 4.73. (I did say "ancient". You thought I was kidding. Popup blocker? I settle for avoiding sites with popups when I'm on this machine.) ) I do have a Firefox on here, & don't see it with that, FWIW.
See Our Zed:
I see your one ad. How have the mighty fallen? Don't you know that one ad leads to another? And then another. And then another. Where will the adness stop?! I am heartbroken that you have taken this giant step backwards.