function bookmark()
{
	if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4))
	{
		var url="http://www.talkmedical.com";
		var title="Talk Medical - health information you can trust";
		
		window.external.AddFavorite(url,title);
	}
	else if (navigator.appName == "Netscape")
	{
		alert("Press CTRL + D to bookmark us!");
	}
}