NS4 = (document.layers);
   IE4 = (document.all);
  ver4 = (NS4 || IE4);
 isMac = (navigator.appVersion.indexOf("Mac") != -1);
isMenu = (NS4 || (IE4 && !isMac));

function popUp(){return};
function popDown(){return};
function startIt(){return};
if (!ver4) event = null;