function addfav() {
var url = this.location;
var title = document.title;  
  
	if (window.sidebar) { // Mozilla Firefox		
		window.sidebar.addPanel(title, url, "");
	}
	else if (window.external) {
		if(navigator.appName=="Microsoft Internet Explorer")
			window.external.AddFavorite(url, title);
		else
			alert("Please click OK, then press [Ctrl + D] to bookmark this page.");
	}
}