var Gan=new Array("甲","乙","丙","丁","戊","己","庚","辛","壬","癸");
var Zhi=new Array("子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥");

  var   lunarInfo=new   Array(   
  0x04bd8,0x04ae0,0x0a570,0x054d5,0x0d260,0x0d950,0x16554,0x056a0,0x09ad0,0x055d2,   
  0x04ae0,0x0a5b6,0x0a4d0,0x0d250,0x1d255,0x0b540,0x0d6a0,0x0ada2,0x095b0,0x14977,   
  0x04970,0x0a4b0,0x0b4b5,0x06a50,0x06d40,0x1ab54,0x02b60,0x09570,0x052f2,0x04970,   
  0x06566,0x0d4a0,0x0ea50,0x06e95,0x05ad0,0x02b60,0x186e3,0x092e0,0x1c8d7,0x0c950,   
  0x0d4a0,0x1d8a6,0x0b550,0x056a0,0x1a5b4,0x025d0,0x092d0,0x0d2b2,0x0a950,0x0b557,   
  0x06ca0,0x0b550,0x15355,0x04da0,0x0a5d0,0x14573,0x052d0,0x0a9a8,0x0e950,0x06aa0,   
  0x0aea6,0x0ab50,0x04b60,0x0aae4,0x0a570,0x05260,0x0f263,0x0d950,0x05b57,0x056a0,   
  0x096d0,0x04dd5,0x04ad0,0x0a4d0,0x0d4d4,0x0d250,0x0d558,0x0b540,0x0b5a0,0x195a6,   
  0x095b0,0x049b0,0x0a974,0x0a4b0,0x0b27a,0x06a50,0x06d40,0x0af46,0x0ab60,0x09570,   
  0x04af5,0x04970,0x064b0,0x074a3,0x0ea50,0x06b58,0x055c0,0x0ab60,0x096d5,0x092e0,   
  0x0c960,0x0d954,0x0d4a0,0x0da50,0x07552,0x056a0,0x0abb7,0x025d0,0x092d0,0x0cab5,   
  0x0a950,0x0b4a0,0x0baa4,0x0ad50,0x055d9,0x04ba0,0x0a5b0,0x15176,0x052b0,0x0a930,   
  0x07954,0x06aa0,0x0ad50,0x05b52,0x04b60,0x0a6e6,0x0a4e0,0x0d260,0x0ea65,0x0d530,   
  0x05aa0,0x076a3,0x096d0,0x04bd7,0x04ad0,0x0a4d0,0x1d0b6,0x0d250,0x0d520,0x0dd45,   
  0x0b5a0,0x056d0,0x055b2,0x049b0,0x0a577,0x0a4b0,0x0aa50,0x1b255,0x06d20,0x0ada0)   
    
  var   solarMonth=new   Array(31,28,31,30,31,30,31,31,30,31,30,31);   
  var   nStr1   =   new   Array('日','一','二','三','四','五','六','七','八','九','十');
  var   nStr2   =   new   Array('初','十','廿','卅','　');
        
  //======================================   传回农历   y年的总天数   
  function   lYearDays(y)   {   
    var   i,   sum   =   348;
    for(i=0x8000;   i>0x8;   i>>=1)   
      sum   +=   (lunarInfo[y-1900]   &   i)?   1:   0;
   
    return(sum+leapDays(y));
  }   
    
  //======================================   传回农历   y年闰月的天数   
  function   leapDays(y)   {   
        if(leapMonth(y))     return((lunarInfo[y-1900]   &   0x10000)?   30:   29)   
        else   return(0)   
  }   
    
  //======================================   传回农历   y年闰哪个月   1-12   ,   没闰传回   0   
  function   leapMonth(y)   {   
        return(lunarInfo[y-1900]   &   0xf)   
  }   
    
  //======================================   传回农历   y年m月的总天数   
  function   monthDays(y,m)   {   
        return(   (lunarInfo[y-1900]   &   (0x10000>>m))?   30:   29   )   
  }   
    
  //======================================   算出农历,   传入日期物件,   传回农历日期物件   
  //                                                                               该物件属性有   .year   .month   .day   .isLeap   .yearCyl   .dayCyl   .monCyl   
  function   Lunar(objDate)   {   
    
        var   i,   leap=0,   temp=0   
        var   baseDate   =   new   Date(1900,0,31)   
        var   offset       =   (objDate   -   baseDate)/86400000   
    
        this.dayCyl   =   offset   +   40   
        this.monCyl   =   14   
    
        for(i=1900;   i<2050   &&   offset>0;   i++)   {   
              temp   =   lYearDays(i)   
              offset   -=   temp   
              this.monCyl   +=   12   
        }   
    
        if(offset<0)   {   
              offset   +=   temp;   
              i--;   
              this.monCyl   -=   12   
        }   
    
        this.year   =   i   
        this.yearCyl   =   i-1864   
    
        leap   =   leapMonth(i)   //闰哪个月   
        this.isLeap   =   false   
    
        for(i=1;   i<13   &&   offset>0;   i++)   {   
              //闰月   
              if(leap>0   &&   i==(leap+1)   &&   this.isLeap==false)   
                    {   --i;   this.isLeap   =   true;   temp   =   leapDays(this.year);   }   
              else   
                    {   temp   =   monthDays(this.year,   i);   }   
    
              //解除闰月   
              if(this.isLeap==true   &&   i==(leap+1))   this.isLeap   =   false   
    
              offset   -=   temp   
              if(this.isLeap   ==   false)   this.monCyl   ++   
        }   
    
        if(offset==0   &&   leap>0   &&   i==leap+1)   
              if(this.isLeap)   
                    {   this.isLeap   =   false;   }   
              else   
                    {   this.isLeap   =   true;   --i;   --this.monCyl;}   
    
        if(offset<0){   offset   +=   temp;   --i;   --this.monCyl;   }   
    
        this.month   =   i   
        this.day   =   offset   +   1   
  }   
    
  //==============================传回国历   y年某m+1月的天数   
  function   solarDays(y,m)   {   
        if(m==1)   
              return(((y%4   ==   0)   &&   (y%100   !=   0)   ||   (y%400   ==   0))?   29:   28)   
        else   
              return(solarMonth[m])   
  }       
  //======================   中文日期   
  function   cDay(d){   
        var   s;   
    
        switch   (d)   {   
              case   10:   
                    s   =   '初十';   break;   
              case   20:   
                    s   =   '二十';   break;   
                    break;   
              case   30:   
                    s   =   '三十';   break;   
                    break;   
              default   :   
                    s   =   nStr2[Math.floor(d/10)];   
                    s   +=   nStr1[d%10];   
        }   
        return(s);   
  }   
  //======================   中文月份   
  function   cMonth(m){   
        var   s;   
    
        switch   (m)   {   
              case   1:   
                    s   =   '正月';   break;   
              case   2:   
                    s   =   '二月';   break;   
              case   3:   
                    s   =   '三月';   break;   
              case   4:   
                    s   =   '四月';   break;   
              case   5:   
                    s   =   '五月';   break;   
              case   6:   
                    s   =   '六月';   break;   
              case   7:   
                    s   =   '七月';   break;   
              case   8:   
                    s   =   '八月';   break;   
              case   9:   
                    s   =   '九月';   break;   
              case   10:   
                    s   =   '十月';   break;   
              case   11:   
                    s   =   '十一月';   break;   
              case   12:   
                    s   =   '十二月';   break;   
              default   :   
                    break;   
        }   
        return(s);   
  }   
    
  function   GetLunarDay(YearStr,MonthStr,DayStr)   
  {   
    var   sDObj=new   Date(parseInt(YearStr),parseInt(MonthStr)-1,parseInt(DayStr))   
    var   lDObj=new   Lunar(sDObj)           //农历   
    return   cMonth(lDObj.month)+cDay(lDObj.day);   
  }   
//============================== 传入 offset 传回干支, 0=甲子
function cyclical(num) {
   return(Gan[num%10]+Zhi[num%12])
}