IE4 = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ))
NS4 = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4 ))

am="MicroTicker!";
function nrc(e){ 
if (NS4){if (e.which >= 2){alert(am);return false;}} else if (event.button>=2){alert(am);}}
 
document.onmousedown=nrc; 
if (document.layers) window.captureEvents(Event.MOUSEDOWN); 
window.onmousedown=nrc;