function getWeekName(theDate){//返回星期几
	var weekno=theDate.getDay();
	var weekArray=new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
	return(weekArray[weekno]);
}

function getDateStr(theDate){//返回日期 yyyy年m月d日
	return((theDate.getFullYear()) + "年" + (theDate.getMonth()+1) + "月" + theDate.getDate() + "日");
}
function getTimeStr(theDate){//返回时间 HH:MM:SS
	var Hours = theDate.getHours();
	var Minutes = theDate.getMinutes();
	var Seconds = theDate.getSeconds();
	if (Hours<=9)
	{
	 	Hours="0"+Hours;
	}
	if (Minutes<=9)
	{
	  	Minutes="0"+Minutes;
	}
	if (Seconds<=9)
	{
	  	Seconds="0"+Seconds;
	}
	return(Hours+":"+Minutes+":"+Seconds);
}

/*****************************************************************************
                                   日期资料
*****************************************************************************/
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)
/*****************************************************************************
                                      日期计算
*****************************************************************************/

//====================================== 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 getLunarStr(theDate){
   var i, leap=0, temp=0;
   var baseDate = new Date(1900,0,31);
   var offset   = (theDate - baseDate)/86400000;

   var dayCyl = offset + 40;
   var monCyl = 14;
   for(i=1900; i<2050 && offset>0; i++) {
      temp = lYearDays(i);
      offset -= temp;
      monCyl += 12;
   }

   if(offset<0) {
      offset += temp;
      i--;
      monCyl -= 12;
   }
   var year = i;
   var yearCyl = i-1864;
   leap=leapMonth(i); //闰哪个月
   var isLeap = false;
   for(i=1; i<13 && offset>0; i++) {
      //闰月
      if(leap>0 && i==(leap+1) &&isLeap==false)
         { --i; isLeap = true; temp = leapDays(year); }
      else
         { temp = monthDays(year, i); }

      //解除闰月
      if(isLeap==true && i==(leap+1)) isLeap = false;

      offset -= temp;
      if(isLeap == false) monCyl++;
   }

   if(offset==0 && leap>0 && i==leap+1)
      if(isLeap)
         {isLeap = false; }
      else
         { isLeap = true; --i; --monCyl;}

   if(offset<0){ offset += temp; --i; --monCyl; }
   month = i;
   day = parseInt(offset + 1);
   if(isLeap){
   		var leapStr="润";
   }else{
      	var leapStr="";
   }
	var monthArray=new Array("正月","二月","三月","四月","五月","六月","七月","八月","九月","十月","十一月","十二月");
	var dayArray=new Array("初一","初二","初三","初四","初五","初六","初七","初八","初九","初十","十一","十二","十三","十四","十五","十六","十七","十八","十九","二十","廿一","廿二","廿三","廿四","廿五","廿六","廿七","廿八","廿九","三十");
	return("农历"+leapStr+monthArray[month-1]+dayArray[day-1]);
}