Site's a bit old. Check out the sidebar menu, "Crossbrowser Java" (yes Java, not Javascript):<p><a href="http://www.gunther.web66.com/crossjava/" rel="nofollow">http://www.gunther.web66.com/crossjava/</a><p><i>"The likelihood is still high that when someone visits your site, they may still be using Internet Explorer or Netscape Navigator 3.x instead of the 4.x version."</i>