if (window.Event) document.captureEvents(Event.MOUSEUP); 
function nocontextmenu()  {
  event.cancelBubble = true;
  event.returnValue = false;
  return false;
}
function norightclick(e) {
  if (window.Event) {
    if (e.which == 2 || e.which == 3) return false;
  } else if (event.button == 2 || event.button == 3) {
    event.cancelBubble = true;
    event.returnValue = false;
    return false;
  }
}
document.oncontextmenu = nocontextmenu;		
document.onmousedown = norightclick;		


<!--
var message="NO COPY.\r\n All images and information of this site are protected by International Laws.\r\n Copyright - Casa Zihuatanejo 2005, Thanks for your interest, www.casazihuatanejo.com" + String.fromCharCode(169) + "  ";
function click(e) {
  if (document.all) {
    if (event.button == 2) {
      alert(message);
      return false;
    }
  }
  if (document.layers) {
    if (e.which == 3) {
      alert(message);
      return false;
    }
  }
}
if (document.layers) document.captureEvents(Event.MOUSEDOWN);
document.onmousedown=click;
// -->