var LunarDaysOfMonth = new Array

(

    0xd4a8, 0xd4a0, 0xda50, 0x5aa8, 0x56a0, 0xaad8, 0x25d0, 0x92d0, 0xc958, 0xa950,

    0xb4a0, 0xb550, 0xb550, 0x55a8, 0x4ba0, 0xa5b0, 0x52b8, 0x52b0, 0xa930, 0x74a8,

    0x6aa0, 0xad50, 0x4da8, 0x4b60, 0x9570, 0xa4e0, 0xd260, 0xe930, 0xd530, 0x5aa0,

    0x6b50, 0x96d0, 0x4ae8, 0x4ad0, 0xa4d0, 0xd258, 0xd250, 0xd520, 0xdaa0, 0xb5a0,

    0x56d0, 0x4ad8, 0x49b0, 0xa4b8, 0xa4b0, 0xaa50, 0xb528, 0x6d20, 0xada0, 0x55b0

);


var LunarLeapYear = new Array

(

    0x40, 0x02, 0x07, 0x00, 0x50,

    0x04, 0x09, 0x00, 0x60, 0x04,

    0x00, 0x20, 0x60, 0x05, 0x00,

    0x30, 0xb0, 0x06, 0x00, 0x50,

    0x02, 0x07, 0x00, 0x50, 0x03

);



function GetLeapMonth(iLunarYear) {

    var Leap = LunarLeapYear[(iLunarYear - 2001) >> 1];

    return (((iLunarYear - 2001) & 1) == 0) ? (Leap >> 4) : (Leap & 0x0f);

}


function LunarMonthDays(iLunarYear, iLunarMonth) {

    var High;

    var Low;

    var Bit;



    High = 0;

    Low = 29;

    Bit = 16 - iLunarMonth;

    if ((iLunarMonth > GetLeapMonth(iLunarYear)) && (GetLeapMonth(iLunarYear) > 0)) Bit--;

    if ((LunarDaysOfMonth[iLunarYear - 2001] & (1 << Bit)) > 0) Low++;

    if (iLunarMonth == GetLeapMonth(iLunarYear)) {

        High = ((LunarDaysOfMonth[iLunarYear - 2001] & (1 << (Bit - 1))) > 0) ? 30 : 29;

    }



    return Low + (High << 16);

}


function LunarYearDays(iLunarYear) {

    var Days;

    var tmp;



    Days = 0;

    for (var i = 1; i <= 12; i++) {

        tmp = LunarMonthDays(iLunarYear, i);

        Days = Days + ((tmp >> 16) & 0xffff);

        Days = Days + (tmp & 0xffff);

    }



    return Days;

}


function FormatLunarYear(iLunarYear) {

    var szText1 = new String("甲乙丙丁戊己庚辛壬癸");

    var szText2 = new String("子丑寅卯辰巳午未申酉戌亥");

    var strYear;



    strYear = szText1.substr((iLunarYear - 4) % 10, 1);

    strYear = strYear + szText2.substr((iLunarYear - 4) % 12, 1);



    return strYear + "年 ";

}


function FormatLunarMonth(iLunarMonth) {

    var szText = new String("正二三四五六七八九十");

    var strMonth;



    if (iLunarMonth <= 10) {

        strMonth = szText.substr(iLunarMonth - 1, 1);

    }

    else if (iLunarMonth == 11) strMonth = "十一";

    else strMonth = "十二";



    return strMonth + "月";

}


function FormatLunarDay(iLunarDay) {

    var szText1 = new String("初十廿三");

    var szText2 = new String("一二三四五六七八九十");

    var strDay;

    if ((iLunarDay != 20) && (iLunarDay != 30)) {

        strDay = szText1.substr((iLunarDay - 1) / 10, 1) + szText2.substr((iLunarDay - 1) % 10, 1);

    }

    else if (iLunarDay != 20) {

        strDay = szText1.substr(iLunarDay / 10, 1) + "十";

    }

    else {

        strDay = "二十";

    }



    return strDay;

}


function GetLunarDateString(SolarDate) {

    var tmp;

    var iLunarYear;

    var iLunarMonth;

    var iLunarDay;

    var Leap = false;

    var MinMilli = 1000 * 60;

    var HrMilli = MinMilli * 60;

    var DyMilli = HrMilli * 24;



    var iSpanDays = Math.round(SolarDate.getTime() / DyMilli) - 11323;


    if (iSpanDays < 23) {

        iYear = 2000;

        iLunarMonth = 12;

        iLunarDay = iSpanDays + 7;

    }

    else {


        iSpanDays = iSpanDays - 23;

        iLunarYear = 2001;

        iLunarMonth = 1;

        iLunarDay = 1;




        tmp = LunarYearDays(iLunarYear);

        while (iSpanDays >= tmp) {

            iSpanDays -= tmp;

            iLunarYear++;

            tmp = LunarYearDays(iLunarYear);

        }




        tmp = LunarMonthDays(iLunarYear, iLunarMonth) & 0xffff;

        while (iSpanDays >= tmp) {

            iSpanDays -= tmp;

            if (iLunarMonth == GetLeapMonth(iLunarYear)) {

                tmp = LunarMonthDays(iLunarYear, iLunarMonth) >> 16;

                if (iSpanDays < tmp) {

                    Leap = (tmp > 0) ? true : false;

                    break;

                }

                iSpanDays = iSpanDays - tmp;

            }



            iLunarMonth++;

            tmp = LunarMonthDays(iLunarYear, iLunarMonth) & 0xffff;

        }


        iLunarDay += iSpanDays;

    }



    return FormatLunarYear(iLunarYear) + (Leap ? "闰" : "") + FormatLunarMonth(iLunarMonth) + FormatLunarDay(iLunarDay);

}

var today = new Date();
var str = GetLunarDateString(today);
//document.write(str); //显示农历							
function number(index1) {
    var numberstring = "一二三四五六七八九";
    if (index1 == 0) { return ("日") }
    if (index1 < 10) {
        return (numberstring.substring(0 + (index1 - 1), index1))
    }
    else if (index1 < 20) {
        return ("十" + numberstring.substring(0 + (index1 - 11), (index1 - 10)))
    }
    else if (index1 < 30) {
        return ("二十" + numberstring.substring(0 + (index1 - 21), (index1 - 20)))
    }
    else {
        return ("三十" + numberstring.substring(0 + (index1 - 31), (index1 - 30)))
    }
}

function format(num) {
    if (num < 10)
        return ("0" + num);
    else
        return num;
}

function ShowDateTime() {
    var today = new Date();
    var year = today.getFullYear();
    var month = today.getMonth() + 1;
    var date = today.getDate();
    var day = today.getDay();
    var hour = today.getHours();
    var minute = today.getMinutes();
    var second = today.getSeconds();
    var strDate = "  " + "今天是：" + year + "年" + format(month) + "月" + format(date) + "日" + " " + "星期" + number(day) + " " + "农历：" + str + "  " + format(hour) + ":" + format(minute) + ":" + format(second);
    //var strDate = year + "年" + format(month) + "月" + format(date) + "日" + " " + "星期" + number(day) + " " + format(hour) + ":" + format(minute) + ":" + format(second);
    document.getElementById("lbTime").innerHTML = strDate;
    window.setTimeout("ShowDateTime()", 1000);
}