Date.m_koyomi = [
    {
      "NENGONO":"1",
      "NAME1":"明治",
      "NAME2":"明",
      "NAME3":"M",
      "FROMBI":"18680908",
      "TOBI":"19120729"
    },
    {
      "NENGONO":"2",
      "NAME1":"大正",
      "NAME2":"大",
      "NAME3":"T",
      "FROMBI":"19120730",
      "TOBI":"19261224"
    },
    {
      "NENGONO":"3",
      "NAME1":"昭和",
      "NAME2":"昭",
      "NAME3":"S",
      "FROMBI":"19261225",
      "TOBI":"19890107"
    },
    {
      "NENGONO":"4",
      "NAME1":"平成",
      "NAME2":"平",
      "NAME3":"H",
      "FROMBI":"19890108",
      "TOBI":"20871231"
    }
];
Date.m_holiday = [
    {
      "HOLICD":"1",
      "HOLINAME":"元日",
      "FROMNEN":"1948",
      "TONEN":"9999",
      "HOLITSUKI":"01",
      "HOLIHOU":"01",
      "HOLIBI":"01",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"2",
      "HOLINAME":"成人の日",
      "FROMNEN":"2000",
      "TONEN":"9999",
      "HOLITSUKI":"01",
      "HOLIHOU":"02",
      "HOLIBI":"",
      "HOLISHU":"2",
      "HOLIYOUBI":"2",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"3",
      "HOLINAME":"成人の日",
      "FROMNEN":"1948",
      "TONEN":"1999",
      "HOLITSUKI":"01",
      "HOLIHOU":"01",
      "HOLIBI":"15",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"4",
      "HOLINAME":"建国記念日",
      "FROMNEN":"1966",
      "TONEN":"9999",
      "HOLITSUKI":"02",
      "HOLIHOU":"01",
      "HOLIBI":"11",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"5",
      "HOLINAME":"春分の日",
      "FROMNEN":"1948",
      "TONEN":"9999",
      "HOLITSUKI":"03",
      "HOLIHOU":"91",
      "HOLIBI":"",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"6",
      "HOLINAME":"天皇誕生日",
      "FROMNEN":"1948",
      "TONEN":"1988",
      "HOLITSUKI":"04",
      "HOLIHOU":"01",
      "HOLIBI":"29",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"7",
      "HOLINAME":"みどりの日",
      "FROMNEN":"1989",
      "TONEN":"2006",
      "HOLITSUKI":"04",
      "HOLIHOU":"01",
      "HOLIBI":"29",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"8",
      "HOLINAME":"昭和の日",
      "FROMNEN":"2007",
      "TONEN":"9999",
      "HOLITSUKI":"04",
      "HOLIHOU":"01",
      "HOLIBI":"29",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"9",
      "HOLINAME":"憲法記念日",
      "FROMNEN":"1948",
      "TONEN":"9999",
      "HOLITSUKI":"05",
      "HOLIHOU":"01",
      "HOLIBI":"03",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"10",
      "HOLINAME":"みどりの日",
      "FROMNEN":"2007",
      "TONEN":"9999",
      "HOLITSUKI":"05",
      "HOLIHOU":"01",
      "HOLIBI":"04",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"11",
      "HOLINAME":"こどもの日",
      "FROMNEN":"1948",
      "TONEN":"9999",
      "HOLITSUKI":"05",
      "HOLIHOU":"01",
      "HOLIBI":"05",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"12",
      "HOLINAME":"海の日",
      "FROMNEN":"1995",
      "TONEN":"2018",
      "HOLITSUKI":"07",
      "HOLIHOU":"01",
      "HOLIBI":"20",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"13",
      "HOLINAME":"海の日",
      "FROMNEN":"2003",
      "TONEN":"2099",
      "HOLITSUKI":"07",
      "HOLIHOU":"02",
      "HOLIBI":"",
      "HOLISHU":"3",
      "HOLIYOUBI":"2",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"14",
      "HOLINAME":"敬老の日",
      "FROMNEN":"1966",
      "TONEN":"2002",
      "HOLITSUKI":"09",
      "HOLIHOU":"01",
      "HOLIBI":"15",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"15",
      "HOLINAME":"敬老の日",
      "FROMNEN":"2003",
      "TONEN":"9999",
      "HOLITSUKI":"09",
      "HOLIHOU":"02",
      "HOLIBI":"",
      "HOLISHU":"3",
      "HOLIYOUBI":"2",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"16",
      "HOLINAME":"秋分の日",
      "FROMNEN":"1948",
      "TONEN":"9999",
      "HOLITSUKI":"09",
      "HOLIHOU":"92",
      "HOLIBI":"",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"17",
      "HOLINAME":"体育の日",
      "FROMNEN":"1966",
      "TONEN":"1999",
      "HOLITSUKI":"10",
      "HOLIHOU":"01",
      "HOLIBI":"10",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"18",
      "HOLINAME":"体育の日",
      "FROMNEN":"2000",
      "TONEN":"9999",
      "HOLITSUKI":"10",
      "HOLIHOU":"02",
      "HOLIBI":"",
      "HOLISHU":"2",
      "HOLIYOUBI":"2",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"19",
      "HOLINAME":"文化の日",
      "FROMNEN":"1948",
      "TONEN":"9999",
      "HOLITSUKI":"11",
      "HOLIHOU":"01",
      "HOLIBI":"03",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"20",
      "HOLINAME":"勤労感謝の日",
      "FROMNEN":"1948",
      "TONEN":"9999",
      "HOLITSUKI":"11",
      "HOLIHOU":"01",
      "HOLIBI":"23",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    },
    {
      "HOLICD":"21",
      "HOLINAME":"天皇誕生日",
      "FROMNEN":"1989",
      "TONEN":"9999",
      "HOLITSUKI":"12",
      "HOLIHOU":"01",
      "HOLIBI":"23",
      "HOLISHU":"",
      "HOLIYOUBI":"",
      "YUKOFLG":"1"
    }
];

Date.getFirstDay = function(_year,_month) {
    return new Date(_year,_month - 1,1).getDay();
}

Date.getHolidayFromMonth = function(_year,_month) {

    var _array = new Array();
    var _count = 0;
    var _day = 0;

    for(var _index = 0;_index < Date.m_holiday.length;_index++)
    {
        var _holiday = Date.m_holiday[_index];

        if(_year < _holiday.FROMNEN || _year > _holiday.TONEN)
            continue;

        if(_month != _holiday.HOLITSUKI)
            continue;

        var _element = new Object();
        _element.name = _holiday.HOLINAME;
        _element.year = _year;
        _element.month = _month;
        switch(_holiday.HOLIHOU)
        {
            case "01":
                _day = parseInt(_holiday.HOLIBI,10);
                break;
            case "02":
                var _first_day = Date.getFirstDay(_year,_month);
                _day = parseInt(_holiday.HOLIYOUBI,10) - 1 - _first_day;
                if(_day < 0)
                    _day += 8;
                else
                    _day += 1;
                _day = _day + 7 * (parseInt(_holiday.HOLISHU,10) - 1);
                break;
            case "91":
                _day = Math.floor(20.8431 + 0.242194 * (_year - 1980) - Math.floor((_year - 1980) / 4));
                break;
            case "92":
                _day = Math.floor(23.2488 + 0.242194 * (_year - 1980) - Math.floor((_year - 1980) / 4));
                break;
            default:
                throw "定義外の計算方法です。";
        }

        _element.day = _day;
        _element.division = 1;
        _element.date = new Date(_element.year,_element.month-1,_element.day);
        _element.weekday = _element.date.getDay();
        _array[_day] = _element;
    }


    for(_day = 1; _day < 32; _day++)
    {
        var _date = new Date(_year,_month-1,_day);
        var _weekday = _date.getDay();
        var _is_holiday = false;

        if(_year > 2006 && _month == 5 && _day == 6 && (_weekday == 2 || _weekday == 3))
        {
            _is_holiday = true;
        }
        else if(_array[_day-1] && _array[_day-1].weekday == 0)
        {
            _is_holiday = true;
        }

        if(!_is_holiday)
            continue;

        var _element = new Object();
        _element.name = "振替休日";
        _element.year = _year;
        _element.month = _month;
        _element.day = _day;
        _element.division = 2;
        _element.date = _date;
        _element.weekday = _weekday;

        _array[_day] = _element;
    }

    return _array;
}

Date.prototype.isJpHoliday = function() {

    var _calendar = Date.getHolidayFromMonth(this.getFullYear(),this.getMonth()+1);
    var _holiday = _calendar[this.getDate()];

    if(_holiday)
    {
        this.jp_hol_name = _holiday.name; 
        return true;
    }

    return false;
}

Date.prototype.getDateNumber = function() {
    return this.getFullYear() * 10000 + (this.getMonth()+1) * 100 + this.getDate();
}

Date.getKoyomiFromNengoNo = function(_nengo_no) {
    for(var _index = 0;_index < Date.m_koyomi.length;_index++)
    {
        var _koyomi = Date.m_koyomi[_index];

        if(_koyomi.NENGONO != _nengo_no)
            continue;

        return _koyomi;
    }
    throw "未登録の年号番号が指定されました。";
}

Date.getKoyomiFromName3 = function(_name3) {
    for(var _index = 0;_index < Date.m_koyomi.length;_index++)
    {
        var _koyomi = Date.m_koyomi[_index];

        if(_koyomi.NAME3 != _name3)
            continue;

        return _koyomi;
    }
    throw "未登録の年号名が指定されました。";
}

Date.prototype.getJapaneseYear = function () {

    var _date_number = this.getDateNumber();

    for(var _index = 0;_index < Date.m_koyomi.length;_index++)
    {
        var _koyomi = Date.m_koyomi[_index];

        if(_date_number < _koyomi.FROMBI || _date_number > _koyomi.TOBI)
            continue;

        var _wareki_year = this.getFullYear() - Math.floor(_koyomi.FROMBI / 10000) + 1;

        return _koyomi.NAME3 + ("00" + _wareki_year).slice(-2);
    }

    throw "暦情報を取得できません。";
}

Date.prototype.toJapaneseDateString = function () {
    return this.getJapaneseYear() + '.'
       + ('00' + (this.getMonth() + 1)).slice(-2) + '.'
       + ('00' + this.getDate()).slice(-2);
}

Date.prototype.toSeirekiDateString = function () {
    return this.getFullYear() + '/'
       + ('00' + (this.getMonth() + 1)).slice(-2) + '/'
       + ('00' + this.getDate()).slice(-2);
}

Date.fksParse = function (_text) {

    var _match = null;
    var _year = 0;
    var _month = 0;
    var _day = 0;
    var _koyomi;

    if (_match = _text.match(/^(\d{4})(\d{2})$/)) {
        _year = _match[1];
        _month = _match[2];
        _day = 1;
    }
    else if (_match = _text.match(/^(\d{4})[\/\.](\d{1,2})$/)) {
        _year = _match[1];
        _month = _match[2];
        _day = 1;
    }
    else if (_match = _text.match(/^(\d{1})(\d{2})(\d{2})$/)) {
        _koyomi = Date.getKoyomiFromNengoNo(_match[1]);
        _year = parseInt(_match[2],10) + Math.floor(_koyomi.FROMBI / 10000) - 1;
        _month = _match[3];
        _day = 1;
    }
    else if (_match = _text.match(/^([A-Z])(\d{2})(\d{2})$/i)) {
        _koyomi = Date.getKoyomiFromName3(_match[1].toUpperCase());
        _year = parseInt(_match[2],10) + Math.floor(_koyomi.FROMBI / 10000) - 1;
        _month = _match[3];
        _day = 1;
    }
    else if (_match = _text.match(/^([A-Z])(\d{1,2})[\/\.](\d{1,2})$/i)) {
        _koyomi = Date.getKoyomiFromName3(_match[1].toUpperCase());
        _year = parseInt(_match[2],10) + Math.floor(_koyomi.FROMBI / 10000) - 1;
        _month = _match[3];
        _day = 1;
    }
    else if (_match = _text.match(/^(\d{4})(\d{2})(\d{2})$/)) {
        _year = _match[1];
        _month = _match[2];
        _day = _match[3];
    }
    else if (_match = _text.match(/^(\d{4})[\/\.](\d{1,2})[\/\.](\d{1,2})$/)) {
        _year = _match[1];
        _month = _match[2];
        _day = _match[3];
    }
    else if (_match = _text.match(/^(\d{1})(\d{2})(\d{2})(\d{2})$/)) {
        _koyomi = Date.getKoyomiFromNengoNo(_match[1]);
        _year = parseInt(_match[2],10) + Math.floor(_koyomi.FROMBI / 10000) - 1;
        _month = _match[3];
        _day = _match[4];
    }
    else if (_match = _text.match(/^([A-Z])(\d{2})(\d{2})(\d{2})$/i)) {
        _koyomi = Date.getKoyomiFromName3(_match[1].toUpperCase());
        _year = parseInt(_match[2],10) + Math.floor(_koyomi.FROMBI / 10000) - 1;
        _month = _match[3];
        _day = _match[4];
    }
    else if (_match = _text.match(/^([A-Z])(\d{1,2})[\/\.](\d{1,2})[\/\.](\d{1,2})$/i)) {
        _koyomi = Date.getKoyomiFromName3(_match[1].toUpperCase());
        _year = parseInt(_match[2],10) + Math.floor(_koyomi.FROMBI / 10000) - 1;
        _month = _match[3];
        _day = _match[4];
    }
    else {
        return null;
    }

    return new Date(_year, _month - 1, _day);
}