static List<string> _targets = new List<string>();
        static List<string> _offline = new List<string>();
        public enum status
        {
            offline, logged, cleared
        }
        static void Main(string[] args)
        {
            Console.WriteLine("Finding all computers in Active Directory...");
            _targets = getComputers();
            string user = "xxxxxxxx";
            while (true)
            {
                doSearch(_targets, user);
                _targets = _offline;
                _offline.Clear();
            }
        }

        static void doSearch(List<string> targets, string userName)
        {
            Console.Clear();
            int count = 0;
            Console.WriteLine("Searching each computer for ******....");
            foreach (string target in targets)
            {
                if (PCisOnline(target))
                {
                    if (hasLoggedOn(target, userName))
                    {
                        Console.WriteLine("***" + target + "***\n" + count + "\\" + _targets.Count);
                        Log(target, status.logged);
                    }
                    else
                    {
                        Log(target, status.cleared);
                    }
                }
                else
                {
                    Console.WriteLine("*" + target + "\n" + count + "\\" + _targets.Count);
                    _offline.Add(target);
                    Log(target, status.offline);
                }
                count++;
            }
        }