var nav = navigator.appName;
var url = 'http://www.at-casino.com/';
var title = 'Online Casino Gambling Starts At-Casino.com';

function bookmark(){

	if (nav == "Microsoft Internet Explorer") { window.external.addfavorite(url,title); }
	else if (nav == "Netscape") { window.sidebar.addPanel(title, url,''); }
}