//公历日期与星期
   var enabled = 0;
   today = new Date();
   var day;
   var date;
   if(today.getDay()==0)     day = "星期日"
   if(today.getDay()==1)     day = "星期一"
   if(today.getDay()==2)     day = "星期二"
   if(today.getDay()==3)     day = "星期三"
   if(today.getDay()==4)     day = "星期四"
   if(today.getDay()==5)     day = "星期五"
   if(today.getDay()==6)     day = "星期六"
   date =(today.getYear())  + "年" + (today.getMonth() + 1 ) + "月" + today.getDate() + "日  " + day + "  ";

//农历日期
var CalendarData=new Array(100);
var madd=new Array(12);
var tgString="甲乙丙丁戊己庚辛壬癸";
var dzString="子丑寅卯辰巳午未申酉戌亥";
var numString="一二三四五六七八九十";
var monString="正二三四五六七八九十冬腊";
var sx="鼠牛虎兔龙蛇马羊猴鸡狗猪";

CalendarData = new Array(
0xA4B,0x5164B,0x6A5,0x6D4,0x415B5,0x2B6,0x957,0x2092F,0x497,0x60C96,
0xD4A,0xEA5,0x50DA9,0x5AD,0x2B6,0x3126E, 0x92E,0x7192D,0xC95,0xD4A,
0x61B4A,0xB55,0x56A,0x4155B, 0x25D,0x92D,0x2192B,0xA95,0x71695,0x6CA,
0xB55,0x50AB5,0x4DA,0xA5B,0x30A57,0x52B,0x8152A,0xE95,0x6AA,0x615AA,
0xAB5,0x4B6,0x414AE,0xA57,0x526,0x31D26,0xD95,0x70B55,0x56A,0x96D,
0x5095D,0x4AD,0xA4D,0x41A4D,0xD25,0x81AA5, 0xB54,0xB6A,0x612DA,0x95B,
0x49B,0x41497,0xA4B,0xA164B, 0x6A5,0x6D4,0x615B4,0xAB6,0x957,0x5092F,
0x497,0x64B, 0x30D4A,0xEA5,0x80D65,0x5AC,0xAB6,0x5126D,0x92E,0xC96,
0x41A95,0xD4A,0xDA5,0x20B55,0x56A,0x7155B,0x25D,0x92D,0x5192B,0xA95,
0xB4A,0x416AA,0xAD5,0x90AB5,0x4BA,0xA5B, 0x60A57,0x52B,0xA93,0x40E95);
madd[0]=0;
madd[1]=31;
madd[2]=59;
madd[3]=90;
madd[4]=120;
madd[5]=151;
madd[6]=181;
madd[7]=212;
madd[8]=243;
madd[9]=273;
madd[10]=304;
madd[11]=334;

function GetBit(m,n) {  return (m>>n)&1; }
function e2c()
{
TheDate= (arguments.length!=3) ? new Date() : new Date(arguments[0],arguments[1],arguments[2]);
var total,m,n,k;
var isEnd=false;
var tmp=TheDate.getYear();
if (tmp<1900)  { tmp+=1900;}  total=(tmp-1921)*365+Math.floor((tmp-1921)/4)+madd[TheDate.getMonth()]+TheDate.getDate()-38;  if (TheDate.getYear()%4==0&&TheDate.getMonth()>1) { total++;}  for(m=0;;m++)  {    k=(CalendarData[m]<0xfff)?11:12;    for(n=k;n>=0;n--)    {      if(total<=29+GetBit(CalendarData[m],n))      {        isEnd=true; break;      }      total=total-29-GetBit(CalendarData[m],n);    }    if(isEnd) break;  }  cYear=1921 + m; cMonth=k-n+1; cDay=total;  if(k==12)   {    if(cMonth==Math.floor(CalendarData[m]/0x10000)+1) { cMonth=1-cMonth; }    if(cMonth>Math.floor(CalendarData[m]/0x10000)+1)  { cMonth--; }   }}

function GetcDateString(){ var tmp="";  tmp+=tgString.charAt((cYear-4)%10);
tmp+=dzString.charAt((cYear-4)%12);
tmp+="(";  tmp+=sx.charAt((cYear-4)%12);  tmp+=")年 ";
if(cMonth<1) { tmp+="(闰)"; tmp+=monString.charAt(-cMonth-1); } else {tmp+=monString.charAt(cMonth-1);}  tmp+="月";  tmp+=(cDay<11)?"初":((cDay<20)?"十":((cDay<30)?"廿":"三十"));
if (cDay%10!=0||cDay==10) { tmp+=numString.charAt((cDay-1)%10); }  return tmp;}

function GetLunarDay(solarYear,solarMonth,solarDay)
{
  if (solarYear<1921 || solarYear>2020)
    {
     return "";
    }
  else {
     solarMonth = (parseInt(solarMonth)>0) ? (solarMonth-1) : 11;
     e2c(solarYear,solarMonth,solarDay); return GetcDateString();
  }
}

var D=new Date();
var yy=D.getYear();
var mm=D.getMonth()+1;
var dd=D.getDate();

document.write(date + GetLunarDay(yy,mm,dd));

//单独显示公历日期使用:   document.write( date );
//单独显示农历日期使用:   document.write( GetLunarDay(yy,mm,dd) );
//调用方法:  <script type="text/javascript" src="xxx.js"></script>