function bookmark(url, title) { if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) { window.external.AddFavorite(url, title) } else if (navigator.appName == "Netscape") { window.sidebar.addPanel(title, url, "") } else { alert("Press CTRL-D (Netscape) or CTRL-T (Opera) to bookmark") } }