public static function messageExists()
{
$message = false;
if (!self::$isCookieNew) {
self::$rawSession = self::getRawSession();
if (preg_match('/_messages.*?{[^}]*?Mage_Core_Model_Message_(Success|Error|Notice).*?}/s', self::$rawSession) > 0) {
$message = true;
}
}
return $message;
}