function onRightClick(e)
{ 
 if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2)) 
    //return false; 
 else if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2 || event.button == 3))
 { 
    //alert('This Page is fully protected!'); 
    //return false; 
 } 
 return true; 
}

document.onmousedown=onRightClick; 
if (document.layers) 
window.captureEvents(Event.MOUSEDOWN); window.onmousedown=onRightClick;