Zhover =
  (((navigator.appName == "Netscape") &&
  (parseInt(navigator.appVersion) >= 3 )) ||
  ((navigator.appName == "Microsoft Internet Explorer") &&
  (parseInt(navigator.appVersion) >= 4 )));
function Xpreload(img){
var a=new Image(); a.src=img; return a;
}
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 if(Zhover) { Bnav4n=Xpreload("http://en.sextonautos.com/img/wartburgautos.gif"); Bnav4h=Xpreload("http://en.sextonautos.com/img/wartburgautos.jpg"); }
 if(Zhover) { Cnav4n=Xpreload("http://en.sextonautos.com/img/jamestownautos.gif"); Cnav4h=Xpreload("http://en.sextonautos.com/img/jamestownautos.jpg"); }
 if(Zhover) { Dnav4n=Xpreload("http://en.sextonautos.com/img/oakridgeautos.gif"); Dnav4h=Xpreload("http://en.sextonautos.com/img/oakridgeautos.gif"); }