function addbookmark(){
url = "http://helenking.co.uk/";
title = "Helen King - leaders by design";

if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {
window.external.AddFavorite (url,title);
}
else {
var msg = "Netscape Users Please Press";
if(navigator.appName == "Netscape") msg += "  (CTRL-D)";
alert(msg);
   }
}