var msg = "Copyright © 2004 Waltraut Brinda";
if(document.layers) window.captureEvents(Event.MOUSEDOWN); 

function no_click(e){ 
if (navigator.appName == 'Netscape' && ( e.which == 2 || e.which == 3)) 
{ 
alert(msg);return false; 
} 
if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2 || event.button == 3)) 
{ 
alert(msg);return false; 
} 
} 
window.onmousedown=no_click; 
document.onmousedown=no_click;