function bookmark(){
if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {
var url="http://sam/oldsailor/";
var title="Old Sailor - Amsterdam";
window.external.AddFavorite(url,title);
}
else {
var msg = "Don't forget to bookmark!";
if(navigator.appName == "Netscape") msg += "  (CTRL-D)";
document.write(msg);
}
}