/*****************************************************************************
                                   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,
0x06ca0,0x0b550,0x15355,0x04da0,0x0a5b0,0x14573,0x052b0,0x0a9a8,0x0e950,0x06aa0,
0x0aea6,0x0ab50,0x04b60,0x0aae4,0x0a570,0x05260,0x0f263,0x0d950,0x05b57,0x056a0,
0x096d0,0x04dd5,0x04ad0,0x0a4d0,0x0d4d4,0x0d250,0x0d558,0x0b540,0x0b6a0,0x195a6,
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,
0x14b63);

//（阳历）月份最大日期数
var solarMonth=new Array(31,28,31,30,31,30,31,31,30,31,30,31);
//干
var Gan=new Array("甲","乙","丙","丁","戊","己","庚","辛","壬","癸");
//支
var Zhi=new Array("子","丑","寅","卯","辰","巳","午","未","申","酉","戌","亥");
//生肖
var Animals=new Array("鼠","牛","虎","兔","龙","蛇","马","羊","猴","鸡","狗","猪");
//节气
var solarTerm = new Array("小寒","大寒","立春","雨水","惊蛰","春分","清明","谷雨","立夏","小满","芒种","夏至","小暑","大暑","立秋","处暑","白露","秋分","寒露","霜降","立冬","小雪","大雪","冬至");

var sTermInfo = new Array(0,21208,42467,63836,85337,107014,128867,150921,173149,195551,218072,240693,263343,285989,308563,331033,353350,375494,397447,419210,440795,462224,483532,504758);

var nStr1 = new Array('日','一','二','三','四','五','六','七','八','九','十');
var nStr2 = new Array('初','十','廿','卅','□');
//月（英）
var monthName = new Array("JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC");

//国历节日 *表示放假日
var sFtv = new Array("0101 元旦","0214 情人节","0308 妇女节","0312 植树节","0401 愚人节","0501 劳动节","0504 青年节","0601 儿童节","0701 建党节","0801 建军节","0910 教师节","1001 国庆节","1006 老人节","1224 平安夜","1225 圣诞节");
//农历节日 *表示放假日
var lFtv = new Array("0101 春节","0115 元宵节","0505 端午节","0707 七夕情人节","0815 中秋节","0909 重阳节","1208 腊八节","1223 小年","0100 除夕");
//某月的第几个星期几
var wFtv = new Array("0520 母亲节","0630 父亲节","1144 感恩节");



/*****************************************************************************
日期计算
*****************************************************************************/

//====================================== 返回农历 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));
}

//====================================== 返回农历 y年闰月的天数
function leapDays(y) {
    if(leapMonth(y))  return((lunarInfo[y-1900] & 0x10000)? 30: 29);
    else return(0);
}

//====================================== 返回农历 y年闰哪个月 1-12 , 没闰返回 0
function leapMonth(y) {
    return(lunarInfo[y-1900] & 0xf);
}

//====================================== 返回农历 y年m月的总天数
function monthDays(y,m) {
    return( (lunarInfo[y-1900] & (0x10000>>m))? 30: 29 );
}

//====================================== 算出农历, 传入日期控件, 返回农历日期控件
//                                       该控件属性有 .year .month .day .isLeap
function Lunar(objDate) {
    var i, leap=0, temp=0;
    var offset   = (Date.UTC(objDate.getFullYear(),objDate.getMonth(),objDate.getDate()) - Date.UTC(1900,0,31))/86400000;
    for(i=1900; i<2050 && offset>0; i++) { temp=lYearDays(i); offset-=temp; }
    if(offset<0) { offset+=temp; i--; }
    this.year = i;
    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(offset==0 && leap>0 && i==leap+1)
    if(this.isLeap)
        { this.isLeap = false; }
    else
        { this.isLeap = true; --i; }

    if(offset<0){ offset += temp; --i; }

    this.month = i;
    this.day = offset + 1;
}

//==============================返回公历 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]);
}
//============================== 传入 offset 返回干支, 0=甲子
function cyclical(num) {
    return(Gan[num%10]+Zhi[num%12]);
}

//============================== 阴历属性
function calElement(sYear,sMonth,sDay,week,lYear,lMonth,lDay,isLeap,cYear,cMonth,cDay) {

this.isToday    = false;
//瓣句
this.sYear      = sYear;   //公元年4位数字
this.sMonth     = sMonth;  //公元月数字
this.sDay       = sDay;    //公元日数字
this.week       = week;    //星期, 1个中文
//农历
this.lYear      = lYear;   //公元年4位数字
this.lMonth     = lMonth;  //农历月数字
this.lDay       = lDay;    //农历日数字
this.isLeap     = isLeap;  //是否为农历闰月?
//八字
this.cYear      = cYear;   //年柱, 2个中文
this.cMonth     = cMonth;  //月柱, 2个中文
this.cDay       = cDay;    //日柱, 2个中文

this.color      = '';

this.lunarFestival = ''; //农历节日
this.solarFestival = ''; //公历节日
this.solarTerms    = ''; //节气
}

//===== 某年的第n个节气为几日(从0小寒起算)
function sTerm(y,n) {
    var offDate = new Date( ( 31556925974.7*(y-1900) + sTermInfo[n]*60000  ) + Date.UTC(1900,0,6,2,5) );
    return(offDate.getUTCDate());
}
//============================== 返回阴历控件 (y年,m+1月)
/*
功能说明: 返回整个月的日期资料控件

使用方式: OBJ = new calendar(年,零起算月);
OBJ.length      返回当月最大日
OBJ.firstWeek   返回当月一日星期
由 OBJ[日期].属性名称 即可取得各项值
OBJ[日期].isToday  返回是否为今日 true 或 false
其他 OBJ[日期] 属性参见 calElement() 中的注解
*/
function calendar(y,m) {
	var sDObj, lDObj, lY, lM, lD=1, lL, lX=0, tmp1, tmp2, tmp3;
	var cY, cM, cD; //年柱,月柱,日柱
	var lDPOS = new Array(3);
	var n = 0;
	var firstLM = 0;

	sDObj = new Date(y,m,1,0,0,0,0);    //当月一日日期

	this.length    = solarDays(y,m);    //公历当月天数
	this.firstWeek = sDObj.getDay();    //公历当月1日星期几

	////////年柱 1900年立春后为庚子年(60进制36)
	if(m<2) cY=cyclical(y-1900+36-1);
	else cY=cyclical(y-1900+36);
	var term2=sTerm(y,2); //立春日期

	////////月柱 1900年1月小寒以前为 丙子月(60进制12)
	var firstNode = sTerm(y,m*2) //返回当月「节」为几日开始
	cM = cyclical((y-1900)*12+m+12);

	//当月一日与 1900/1/1 相差天数
	//1900/1/1与 1970/1/1 相差25567日, 1900/1/1 日柱为甲戌日(60进制10)
	var dayCyclical = Date.UTC(y,m,1,0,0,0,0)/86400000+25567+10;

	for(var i=0;i<this.length;i++) {

		if(lD>lX) {
			sDObj = new Date(y,m,i+1);    //当月一日日期
			lDObj = new Lunar(sDObj);     //农历
			lY    = lDObj.year;           //农历年
			lM    = lDObj.month;          //农历月
			lD    = lDObj.day;            //农历日
			lL    = lDObj.isLeap;         //农历是否闰月
			lX    = lL? leapDays(lY): monthDays(lY,lM); //农历当月最后一天

			if(n==0) firstLM = lM;
				lDPOS[n++] = i-lD+1;
		}

		//依节气调整二月分的年柱, 以立春为界
		if(m==1 && (i+1)==term2) cY=cyclical(y-1900+36);
		//依节气月柱, 以「节」为界
		if((i+1)==firstNode) cM = cyclical((y-1900)*12+m+13);
		//日柱
		cD = cyclical(dayCyclical+i);

		//sYear,sMonth,sDay,week,
		//lYear,lMonth,lDay,isLeap,
		//cYear,cMonth,cDay
		this[i] = new calElement(y, m+1, i+1, nStr1[(i+this.firstWeek)%7],
		lY, lM, lD++, lL,
		cY ,cM, cD );
	}

	//节气
	tmp1=sTerm(y,m*2  )-1;
	tmp2=sTerm(y,m*2+1)-1;
	this[tmp1].solarTerms = solarTerm[m*2];
	this[tmp2].solarTerms = solarTerm[m*2+1];
	if(m==3) this[tmp1].color = 'red'; //清明颜色

	//公历节日
	for(i in sFtv)
		if(sFtv[i].toString().match(/^(\d{2})(\d{2})([\s\*])(.+)$/))
			if(Number(RegExp.$1)==(m+1)) {
				this[Number(RegExp.$2)-1].solarFestival += RegExp.$4 + ' ';
				if(RegExp.$3=='*') this[Number(RegExp.$2)-1].color = 'red';
			}

	//月周节日
	for(i in wFtv)
		if(wFtv[i].toString().match(/^(\d{2})(\d)(\d)([\s\*])(.+)$/))
			if(Number(RegExp.$1)==(m+1)) {
				tmp1=Number(RegExp.$2);
				tmp2=Number(RegExp.$3);
				if(tmp1<5)
					this[((this.firstWeek>tmp2)?7:0) + 7*(tmp1-1) + tmp2 - this.firstWeek].solarFestival += RegExp.$5 + ' ';
				else {
					tmp1 -= 5;
					tmp3 = (this.firstWeek+this.length-1)%7; //当月最后一天星期?
					this[this.length - tmp3 - 7*tmp1 + tmp2 - (tmp2>tmp3?7:0) - 1 ].solarFestival += RegExp.$5 + ' ';
				}
			}

	//农历节日
	for(i in lFtv)
		if(lFtv[i].toString().match(/^(\d{2})(.{2})([\s\*])(.+)$/)) {
			tmp1=Number(RegExp.$1)-firstLM;
			if(tmp1==-11) tmp1=1;
			if(tmp1 >=0 && tmp1<n) {
				tmp2 = lDPOS[tmp1] + Number(RegExp.$2) -1;
				if( tmp2 >= 0 && tmp2<this.length && this[tmp2].isLeap!=true) {
					this[tmp2].lunarFestival += RegExp.$4 + ' ';
					if(RegExp.$3=='*') this[tmp2].color = 'red';
				}
			}
		}

	//复活节只出现在3或4月
	if(m==2 || m==3) {
		var estDay = new easter(y);
		if(m == estDay.m)
		this[estDay.d-1].solarFestival = this[estDay.d-1].solarFestival+' 复活节 Easter Sunday';
	}

	if(m==2) this[20].solarFestival = this[20].solarFestival+unescape('%20%u6D35%u8CE2%u751F%u65E5');

	//黑色星期五
	if((this.firstWeek+12)%7==5)
		this[12].solarFestival += '黑色星期五';

	//今日
	if(y==tY && m==tM) this[tD-1].isToday = true;
}

//======================================= 返回该年的复活节(春分后第一次满月周后的第一主日)
function easter(y) {
	var term2=sTerm(y,5); //取得春分日期
	var dayTerm2 = new Date(Date.UTC(y,2,term2,0,0,0,0)); //取得春分的公历日期控件(春分一定出现在3月)
	var lDayTerm2 = new Lunar(dayTerm2); //取得取得春分农历

	if(lDayTerm2.day<15) //取得下个月圆的相差天数
		var lMlen= 15-lDayTerm2.day;
	else
		var lMlen= (lDayTerm2.isLeap? leapDays(y): monthDays(y,lDayTerm2.month)) - lDayTerm2.day + 15;

	//一天等于 1000*60*60*24 = 86400000 毫秒
	var l15 = new Date(dayTerm2.getTime() + 86400000*lMlen ); //求出第一次月圆为公历几日
	var dayEaster = new Date(l15.getTime() + 86400000*( 7-l15.getUTCDay() ) ); //求出下个周日

	this.m = dayEaster.getUTCMonth();
	this.d = dayEaster.getUTCDate();
}

//====================== 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);
}

var Today = new Date();
var tY = Today.getFullYear();
var tM = Today.getMonth();
var tD = Today.getDate();

//设置当前时间 
function SetTime(){
    var time = setTimeout(GetNowTime, 1000);
}
//获取当前时间
function GetNowTime(){
    var time = new Date();
    var h = time.getHours() < 10 ? "0" + time.getHours() : time.getHours();
    var m = time.getMinutes() < 10 ? "0" + time.getMinutes() : time.getMinutes();
    var mm = time.getSeconds() < 10 ? "0" + time.getSeconds() : time.getSeconds();
    $("#nowTime").html( h + ":" + m + ":" + mm);
    SetTime();
}
var lnyear = new Array('正','二','三','四','五','六','七','八','九','十','冬','腊');
//设置农历年月日
function SetCHDate(){
   var d = new Lunar(new Date());
    $('#chTime').html('农历 ' + d.year + '年 ' + lnyear[d.month-1]+'月'+nStr2[parseInt(d.day/10)]+(d.day%10==0?'':nStr1[d.day%10]));
}