public HolidayDetailsViewModel(SKDHoliday holiday = null)
		{
			if (holiday == null)
			{
				Title = "Новый приаздничный день";
				holiday = new SKDHoliday()
				{
					Name = "Понедельный график",
				};
			}
			else
			{
				Title = "Редактирование понедельногор графика";
			}

			AvailableTypeNos = new ObservableCollection<int>();
			for (int i = 1; i <= 8; i++)
			{
				AvailableTypeNos.Add(i);
			}

			Holiday = holiday;
			DateTime = holiday.DateTime;
			TypeNo = holiday.TypeNo;
			Name = holiday.Name;
		}
		public HolidayViewModel(SKDHoliday holiday)
		{
			Holiday = holiday;
		}