function bookmark(){

	var url = window.location;
	var title = document.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");
  	}
}