var ver;
if (navigator.appName && navigator.appName == 'Microsoft Internet Explorer')
{
	var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
	if (re.exec(navigator.userAgent) != null) {
		ver = parseFloat( RegExp.$1 );
		if(ver < 7) {
			document.write("<p>This website is optimized for newer browsers. You are currently using<br />Internet Explorer "+ver+", so please be patient while the pages load,<br />or upgrade to a newer version of your browser.</p>");
		}
	}
}