<!--
NS4 = (document.layers);
IE4 = (document.all);
ver4 = (NS4 || IE4);
IE5 = (IE4 && navigator.appVersion.indexOf("5.")!=-1);
isMac = (navigator.appVersion.indexOf("Mac") != -1);
isMenu = (NS4 ||(IE4 && !isMac) || (IE5 && isMac));
if (!ver4) event=null;
//-->