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function compare_date(start_day, start_hour, start_min, end_day, end_hour, end_min)
{
  var start_ = start_day.split('-');
  var end_ = end_day.split('-');

  if (start_[2] > end_[2]) return false;
  else {
    if (start_[2] == end_[2]) {
      if (start_[1] > end_[1]) return false;
      else {
        if (start_[1] == end_[1]) {
          if (start_[0] > end_[0]) return false;
          else {
            if (start_[0] == end_[0]) {
              if (parseFloat(start_hour) > parseFloat(end_hour)) return false;
              else {
                if (parseFloat(start_hour) == parseFloat(end_hour)) {
                  if (parseFloat(start_min) > parseFloat(end_min)) return false;
                  else {
                    if (parseFloat(start_min) == parseFloat(end_min)) return false;
                    else return true;
                  }
                }
                else return true;
              }
            }
            else return true;
          }
        }
        else return true;
      }
    }
    else return true;
  }
}