Do sekce <BODY> umístěte:
<SCRIPT language=JavaScript type=text/javascript>
var navVer = navigator.appVersion;
if(navVer.substr(0,3) >= 4)
if((navigator.appName=="Netscape") && (parseInt(navigator.appVersion)==4))
document.write('<'+'script language="JavaScript" type="text/javascript" src="http://www.topdownloads.net/Menu/nsmenu.js"><\/script\>');
else
document.write('<'+'script language="JavaScript" type="text/javascript" src="http://www.topdownloads.net/Menu/iemenu.js"><\/script\>');
</SCRIPT>