public static List<Emitent> EmitentList = new List<Emitent>(); // Список всех эмитентов

        #endregion Fields

        #region Methods

        // Функция по затягиванию информации об эмитентах
        public static bool UpdateEmitents()
        {
            bool result = false;
            EmitentList.Clear();
            try
            {
                WebDownload downloadClient = new WebDownload(5 * 60 * 1000);
                string responseBody = downloadClient.DownloadString("http://www.finam.ru/cache/icharts/icharts.js");
                string[] responseVars = responseBody.Split('\n');
                string[] emitentIDs = { };
                string[] emitentNames = { };
                string[] emitentCodes = { };
                string[] emitentMarkets = { };
                for (int i = 0; i < responseVars.Count(); i++)
                {
                    string[] str = responseVars[i].Split('=');
                    switch (i)
                    {
                        case 0:
                            emitentIDs = responseVars[i].Split(',');
                            emitentIDs = clearBrakes(emitentIDs);
                            break;
                        case 1:
                            emitentNames = responseVars[i].Split(',');
                            emitentNames = clearBrakes(emitentNames);
                            break;
                        case 2:
                            emitentCodes = responseVars[i].Split(',');
                            emitentCodes = clearBrakes(emitentCodes);
                            break;
                        case 3:
                            emitentMarkets = responseVars[i].Split(',');
                            emitentMarkets = clearBrakes(emitentMarkets);
                            break;
                        default:
                            break;
                    }
                }
                for (int i = 0; i < emitentIDs.Count(); i++)
                {
                    Emitent emitent = new Emitent()
                    {
                        ID = int.Parse(emitentIDs[i]),
                        Name = emitentNames[i].Trim(new char[] {'\''}),
                        Code = emitentCodes[i].Trim(new char[] { '\'' }),
                        Market = int.Parse(emitentMarkets[i])
                    };
                    EmitentList.Add(emitent);
                }
                result = true;
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            return result;
        }
        static void Main(string[] args)
        {
            var periods = GetPeriods();
            Period period = null;

            if(args.Length != 4)
            {
                Console.WriteLine("Usage: FinamTicksDownloader.exe ticker period start_date end_date");
                Console.WriteLine("Example 1:");
                Console.WriteLine("\tFinamTicksDownloader.exe RTS ticks 2013.03.12 2013.05.13");
                Console.WriteLine("\twill download RTS tick data since 12 March 2013 till 13 May 2013");
                Console.WriteLine("Example 2:");
                Console.WriteLine("\tFinamTicksDownloader.exe Si M5 2013.03.12 2013.05.13");
                Console.WriteLine("\twill download Si 5 minute tick data since 12 March 2013 till 13 May 2013");
                Console.WriteLine("Available periods:");
                foreach(var p in periods)
                {
                    Console.WriteLine("\t{0}\t-\t{1}", p.Name, p.Description);
                }
                return;
            }

            period = periods.Where(p => p.Name.ToLower() == args[1].ToLower()).FirstOrDefault();
            if(period == null)
            {
                Console.WriteLine("Period with name " + args[1] + " not found");
                return;
            }
            period.HowMuchDaysToDownloadAtTime = 10;

            DateTime startDate = DateTime.Parse(args[2]);
            DateTime endDate = DateTime.Parse(args[3]);
            Console.WriteLine("Downloading since " + startDate.ToDayString() + " till " + endDate.ToDayString());

            Console.Write("Loading tickers list...");
            EmitentHelper.UpdateEmitents();
            Console.WriteLine("OK");

            var ticker = EmitentHelper.EmitentList.Where(x => x.Name == args[0] && x.Market == 14).FirstOrDefault();
            if(ticker == null)
            {
                Console.WriteLine("Ticker with name " + args[0] + " not found");
                return;
            }

            Console.WriteLine("Using ticker " + ticker);

            string fileName = String.Format("SPFB.{0}-{1}_{2:D4}{3:D2}{4:D2}_{5:D4}{6:D2}{7:D2}.csv",
                ticker.Name,
                period.Name,
                startDate.Year,
                startDate.Month,
                startDate.Day,
                endDate.Year,
                endDate.Month,
                endDate.Day
                );

            DateTime currentDateFrom = startDate;

            while (currentDateFrom <= endDate)
            {
                DateTime currentDateTo = getCurrentDateTo(currentDateFrom, period, endDate);

                WebDownload webClient = new WebDownload(5 * 60 * 1000);
                webClient.Headers.Add("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.31 (KHTML, like Gecko) Chrome/26.0.1410.64 Safari/537.31");
                webClient.Headers.Add("Referer", "http://www.finam.ru/analysis/profile041CA00007/default.asp");
                webClient.Headers.Add("Accept", "text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/webp, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1");
                webClient.Headers.Add("Accept-Language", "en-US,en;q=0.9");
                webClient.Headers.Add("Accept-Encoding", "gzip, deflate");

                string tempFileName = Path.GetTempPath() + Guid.NewGuid().ToString() + ".txt";

                string chunkFrom = String.Format("{0:D2}{1:D2}{2:D2}",
                    currentDateFrom.Year % 100,
                    currentDateFrom.Month,
                    currentDateFrom.Day);

                string chunkTo = String.Format("{0:D2}{1:D2}{2:D2}",
                    currentDateTo.Year % 100,
                    currentDateTo.Month,
                    currentDateTo.Day);

                string url = String.Format(
                    "http://195.128.78.52/{6}_{0}_{0}.txt?" +
                    "market={8}&em={7}&code={6}&df={1}&mf={2}&yf={3}&dt={10}&mt={11}&yt={12}&p={4}&" +
                    "f={6}_{0}_{9}&e=.txt&cn={6}&dtf=1&tmf=1&MSOR=0&mstime=on&" +
                    "mstimever=1&sep=1&sep2=1&datf={5}",
                    chunkFrom,
                    currentDateFrom.Day,
                    currentDateFrom.Month - 1,
                    currentDateFrom.Year,
                    period.ParameterId,
                    period.DataFormat,
                    ticker.Code,
                    ticker.ID,
                    ticker.Market,
                    chunkTo,
                    currentDateTo.Day,
                    currentDateTo.Month - 1,
                    currentDateTo.Year
                    );

                if (File.Exists(tempFileName))
                    File.Delete(tempFileName);

                Console.WriteLine("Downloading from " + currentDateFrom.ToDayString() + " to " +
                    currentDateTo.ToDayString());

                try
                {
                    webClient.DownloadFile(url, tempFileName);
                    long size = new FileInfo(tempFileName).Length;
                    long mbSize = (size >> 20);
                    Console.WriteLine("Downloaded " + mbSize + " Mbytes");

                    if ((mbSize > 27) && (period.HowMuchDaysToDownloadAtTime > 0))
                    {
                        Console.WriteLine("Possibility of incomplete data. Will change to 1 day increment and retry.");
                        period.HowMuchDaysToDownloadAtTime = 0;
                        Thread.Sleep(5 * 1000);
                        continue;
                    }

                    if (size == 0)
                    {
                        Console.WriteLine("Skipping " + currentDateFrom.ToDayString());
                        currentDateFrom = currentDateFrom.AddDays(period.HowMuchDaysToDownloadAtTime + 1);
                        Thread.Sleep(5000);
                        continue;
                    }

                    if (!fileContainsStockData(tempFileName))
                    {
                        Console.WriteLine("File doesn't contain stock data, trying again (file size: " + size + " bytes)");
                        if (size > 0 && size < 300)
                        {
                            Console.WriteLine("Message: ");
                            Console.WriteLine(File.ReadAllText(tempFileName, Encoding.GetEncoding(1251)));
                        }
                        Thread.Sleep(5 * 1000);
                        continue;
                    }
                    Thread.Sleep(5 * 1000);
                }
                catch (Exception ex)
                {
                    Console.WriteLine("Exception: " + ex.Message);
                    Console.WriteLine("Trying again");
                    Thread.Sleep(5 * 1000);
                    continue;
                }

                appendAndDelete(tempFileName, fileName);

                currentDateFrom = currentDateFrom.AddDays(period.HowMuchDaysToDownloadAtTime + 1);
            }
        }