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");
 }
}