//<a href="http://url.com/" rel="sidebar" title="Bookmark Title" onclick="return bookmark(this); return false;">
	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");
}