function noclick(e)
{
  if (document.all)
  {
    if (event.button==2||event.button==3)
    {
      alert(message);
      //self.close();
      return false;
    }
  }
  else
  {
    if (e.button==2||e.button==3)
    {
      e.preventDefault();
      e.stopPropagation();
      alert(message);
      //self.close();
      return false;
    }
  }

}

if (document.all) 
{
  document.onmousedown=noclick;
}
else 
{
  document.onclick=noclick;
}
var message="Sorry, right mouse clicking has been disabled.";