var ua = navigator.userAgent.toLowerCase();
var ver = navigator.appVersion.toLowerCase();
var is_aol = ua.indexOf('aol') != -1;

var is_supported = (is_aol && (parseFloat(ua.substring(ua.indexOf('aol')+4)) > 7)) || (parseFloat(ver.substring(ver.indexOf('msie')+5)) >= 5.5) || ((navigator.appCodeName == "Mozilla") && (parseFloat(ver) >= 5.0));

if ((parseFloat(ua.substring(ua.indexOf('safari')+7)) < 100) || ((ua.indexOf('netscape') != -1) && (parseFloat(ua.substring(ua.indexOf('rv:')+3)) < 1.0))) {is_supported = false;}

if (!is_supported) {
	if (document.cookie.indexOf('AOLbrowser') == -1){
		location.href = "/upgrade.adp?ref=" + document.URL;
	}
}