There isn't much spyware that'll do that to a website - your PC, though, sure;
And by the way, I just visited the site on my eMac - no popups, no porn. (no popup blocker, either.)
Looks like your PC is infucted, man //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
Start > Run > 'msconfig' > Startup tab > uncheck all > Services tab > check Hide all non-Microsoft > Uncheck remaining items > Apply > Okay > Restart computer
//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif
That should take care of most of it.
Apple.