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("Sorry, but this link isn't compatible with your browser. Try CTRL-D (Mozilla) or CTRL-T (Opera) to bookmark this page.");
  }
};