function bm(u,t) {
	if (document.all && typeof(window.external)=='object' && (navigator.appName.indexOf('Explorer')>=0) && (navigator.platform.indexOf('Win')>=0 && parseInt(navigator.appVersion)>=4)) {
		window.external.AddFavorite(u,t);
	} else {
		alert("Bookmarking is unavailable with this browser.");
	}
}