function checkjoin()
{
 var url = "http://www.bepenfriends.com/?bk";
 var title = "Benepnfriends, Your free online dating website";
 if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) 
  {
   window.external.AddFavorite (url,title);
  }
 else 
  { 
   var msg = "Don't forget to bookmark us!"; 
   if(navigator.appName == "Netscape") 
    {
     msg += "  (CTRL-D)"; 
     alert(msg);
    }
  }
  return;
}