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


function lift(e)
{ 
if (navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2)) 
return false; 
else if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 1 || event.button == 2)) { 
alert('This Page is fully protected!'); 
  return false; 
}
 return true;
} 
document.onmousedown=lift; 
if (document.layers) 
window.captureEvents(Event.MOUSEDOWN); 
window.onmousedown=lift;