// JavaScript Document
<!--
/*****************************************************************************
                                   日期資料
*****************************************************************************/
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)

var solarMonth=new Array(31,28,31,30,31,30,31,31,30,31,30,31);
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","戍","亥");
var Animals=new Array("鼠","牛","虎","兔","龍","蛇","馬","羊","猴","雞","狗","豬");
var solarTerm = new Array("小寒","大寒","立春","雨水","驚蟄","春分","清明","榖雨","立夏","小滿","芒種","夏至","小暑","大暑","立秋","處暑","白露","秋分","寒露","降霜","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','　')
var monthName = new Array("1 月","2 月","3 月","4 月","5 月","6 月","7 月","8 月","9 月","10 月","11 月","12 月");

var sFtv = [];
var lFtv = [];
var wFtv = [];

/*****************************************************************************
                                      日期計算
*****************************************************************************/

//====================================== 傳回農曆 y 年的總天數
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));
}

//====================================== 傳回農曆 y 年閏月的天數
function leapDays(y) {
   if(leapMonth(y))  return((lunarInfo[y-1900] & 0x10000)? 30: 29);
   else return(0);
}

//====================================== 傳回農曆 y 年潤哪個月 1-12 , 沒潤傳回 0
function leapMonth(y) {
   return(lunarInfo[y-1900] & 0xf);
}

//====================================== 傳回農曆 y 年 m 月總天數
function monthDays(y,m) {
   return( (lunarInfo[y-1900] & (0x10000>>m))? 30: 29 );
}

//====================================== 算出農曆, 傳入日期物件, 傳回農曆日期物件
//                                       該物件屬性有 .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); //潤哪個月
   this.isLeap = false;

   for(i=1; i<13 && offset>0; i++) {
      //閏月
      if(leap>0 && i==(leap+1) && this.isLeap==false)
         { --i; this.isLeap = true; temp = leapDays(this.year); }
      else
         { temp = monthDays(this.year, i); }

      //解除閏月
      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;
}

//==============================傳回國曆 y 年某 m+1 月的天數
function solarDays(y,m) {
   if(m==1)
      return(((y%4 == 0) && (y%100 != 0) || (y%400 == 0))? 29: 28);
   else
      return(solarMonth[m]);
}
//============================== 傳入 offset 傳回干支, 0=甲子
function cyclical(num) {
   return(Gan[num%10]+Zhi[num%12]);
}

//============================== 月曆屬性
function calElement(sYear,sMonth,sDay,week,lYear,lMonth,lDay,isLeap,cYear,cMonth,cDay) {

      this.isToday    = false;
      //國曆
      this.sYear      = sYear;
      this.sMonth     = sMonth;
      this.sDay       = sDay;
      this.week       = week;
      //農曆
      this.lYear      = lYear;
      this.lMonth     = lMonth;
      this.lDay       = lDay;
      this.isLeap     = isLeap;
      //干支
      this.cYear      = cYear;
      this.cMonth     = cMonth;
      this.cDay       = cDay;

      this.color      = '';

      this.lunarFestival = ''; //農曆節日
      this.solarFestival = ''; //國曆節日
      this.solarTerms    = ''; //節氣

}

//===== 某年的第 n 個節氣為幾日(從 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());
}

//============================== 傳回月曆物件 (y年,m+1月)
function calendar(y,m) {

   var sDObj, lDObj, lY, lM, lD=1, lL, lX=0, tmp1, tmp2;
   var lDPOS = new Array(3);
   var n = 0;
   var firstLM = 0;

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

   this.length    = solarDays(y,m);    //國曆當月天數
   this.firstWeek = sDObj.getDay();    //國曆當月 1 日星期幾


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

      if(lD>lX) {
         sDObj = new Date(y,m,i+1);    //當月一日日期
         lDObj = new Lunar(sDObj);     //農曆
         lY    = lDObj.year;          //農曆年
         lM    = lDObj.month;          //農曆月
         lD    = lDObj.day;            //農曆日
         lL    = lDObj.isLeap;         //農曆是否閏月
         lX    = lL? leapDays(lY): monthDays(lY,lM); //農曆當月最後一天

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

      //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,
                               cyclical(lDObj.yearCyl) ,cyclical(lDObj.monCyl), cyclical(lDObj.dayCyl++) );


      if((i+this.firstWeek)%7==0)   this[i].color = 'red';  //週日顏色
      //if((i+this.firstWeek)%14==13) this[i].color = 'red'  //週休二日顏色
   }

   //節氣
   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' //清明顏色

   //國曆節日
   for(i in sFtv)
      if(sFtv[i].match(/^(\d{2})(\d{2})([\s\*])(.+)$/))
         if(Number(RegExp.$1)==(m+1)) {
            this[Number(RegExp.$2)-1].solarFestival += RegExp.$4 + '<br />';
            if(RegExp.$3=='*') this[Number(RegExp.$2)-1].color = 'red';
         }

   //月週節日
   /*for(i in wFtv)
      if(wFtv[i].match(/^(\d{2})(\d)(\d)([\s\*])(.+)$/))
         if(Number(RegExp.$1)==(m+1)) {
            tmp1=Number(RegExp.$2)
            tmp2=Number(RegExp.$3)
            this[((this.firstWeek>tmp2)?7:0) + 7*(tmp1-1) + tmp2 - this.firstWeek].solarFestival += RegExp.$5 + '<br />'
         }

   //農曆節日
   for(i in lFtv)
      if(lFtv[i].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].lunarFestival += RegExp.$4 + '<br />'
               if(RegExp.$3=='*') this[tmp2].color = 'red'
            }
         }
      }*/

   //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;

}

//====================== 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 cld;

var lunarMonthStr = ['一月', '二月', '三月', '四月', '五月', '六月', '七月', '八月', '九月', '十月', '十一', '十二']

function drawCld(SY,SM) {
   var i,sD,s,size;
   cld = new calendar(SY,SM);
   if(SY>1874 && SY<1909) yDisplay = '光緒' + (((SY-1874)==1)?'元':SY-1874);
   if(SY>1908 && SY<1912) yDisplay = '宣統' + (((SY-1908)==1)?'元':SY-1908);
   if(SY>1911) yDisplay = '民國' + (((SY-1911)==1)?'元':SY-1911);
   //  if(SY>1949) yDisplay = '僕睿弊' + (((SY-1949)==1)?'元':SY-1949)

   //GD.innerHTML = ' 西曆 ' + SY + ' 年 ' + SM + ' 月 ';
   //GZ.innerHTML = yDisplay +'年 農曆' + cyclical(SY-1900+36) + '年 &nbsp;&nbsp;【'+Animals[(SY-4)%12]+'】';
   var month = SM + 1;
   month = (month < 10) ? '0' + month : month;
   document.getElementById('CldCDate').innerHTML = SY + ' 年 ' + month + ' 月';

   /*YMBG.innerHTML = "&nbsp;" + SY + "<br />&nbsp;" + monthName[SM];*/


   for(i=0;i<42;i++) {

      gObj = $('#GD' + i);
	  sObj = $('#SD' + i);
      lObj = $('#LD' + i);

      //sObj.className = '';
	  gObj.removeClass('td-2-s').addClass('td-2');
	  
      sD = i - cld.firstWeek;

      if(sD>-1 && sD<cld.length) { //日期內
         sObj.html(sD+1);

         if(cld[sD].isToday) gObj.removeClass('td-2').addClass('td-2-s'); //今日顏色

         sObj.css('color', cld[sD].color); //國定假日顏色
		
         /*if(cld[sD].lDay==1) //顯示農曆月
            lObj.html('<strong>' + lunarMonthStr[cld[sD].lMonth-1] + '</strong>');
         else //顯示農曆日
            lObj.html('&nbsp;')//lObj.html(cDay(cld[sD].lDay));*/
		 lObj.html('&nbsp;');

         s=cld[sD].lunarFestival;
         if(s.length>0) { //農曆節日
            if(s.length>2) s = s.substr(0, 2);
            s = s.fontcolor('red');
         }
         else { //國曆節日
            s=cld[sD].solarFestival;
            if(s.length>0) {
               size = (s.charCodeAt(0)>0 && s.charCodeAt(0)<128)?4:2;
               if(s.length > size) s = s.substr(0, size);
               s = s.fontcolor('blue');
            }
            /*else { //二十四節氣
               s=cld[sD].solarTerms;
               if(s.length>0) s = s.fontcolor('limegreen');
            }*/
         }
			
         if(s.length>0) lObj.html(s);

      }
      else { //非日期
         sObj.html('');
         lObj.html('');
      }
   }
}

var dateStore = {
	ajax:false,
	y:0,
	m:0
};

function changeCld() {
   drawCld(dateStore.y,dateStore.m);
}

function pushBtm(K) {
	if(dateStore.ajax) {
		return;
	}
   old_year = dateStore.y;
   switch (K){
      case 'YU' :
         if(dateStore.y>1900) dateStore.y--;
         break;
      case 'YD' :
         if(dateStore.y<2049) dateStore.y++;
         break;
      case 'MU' :
         if(dateStore.m>0) {
            dateStore.m--;
         }
         else {
            dateStore.m=11;
            if(dateStore.y>0) dateStore.y--;
         }
         break;
      case 'MD' :
         if(dateStore.m<11) {
            dateStore.m++;
         }
         else {
            dateStore.m=0;
            if(dateStore.y<2049) dateStore.y++;
         }
         break;
      default :
         dateStore.y=tY;
         dateStore.m=tM;
		 break;
   }
   
   if(old_year != dateStore.y) {
	   get_cal_data();
   } else {
	   changeCld();
   }
}

function get_cal_data() {
	dateStore.ajax = true;
	$url = get_cal_url() 
	$url += ($url.match(/\?/) ? "&" : "?") + 'year=' + dateStore.y;
	
	$.ajax({
		url: $url,
		type: 'get',
		dataType: 'json',
		success: function(data) {
			if(!data) {
				return;
			}
			
			dateStore.ajax = false;
			
			sFtv = data['solar'];
			lFtv = data['lunar'];
			
			changeCld();
		}
	});
}

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

var width = "180";
var offsetx = 3;
var offsety = 5;

var snow = 0;
var sw = 0;
var cnt = 0;

//顯示詳細日期資料
function mOvr(v) {
   var s,festival;
   var sObj=document.getElementById('SD'+ v);
   var d=sObj.innerHTML-1;

	if(sObj.innerHTML!='') {
		/*if(cld[d].solarTerms == '' && cld[d].solarFestival == '' && cld[d].lunarFestival == '')
			festival = '';
		else
			festival = '<table class="calFestival" cellspacing="1"><tr><td>'+ cld[d].solarTerms + ' ' + cld[d].solarFestival + ' ' + cld[d].lunarFestival+'</td></tr></table>';*/
			
		if(cld[d].solarFestival == '')
			festival = '';
		else
			festival = '<table class="calFestival" cellspacing="1"><tr><td>'+ cld[d].solarFestival +'</td></tr></table>';
		
		s= '<table id="cldContent" width="130" cellspacing="0"><tr><td>' +
			'<table class="calDate" cellspacing="0"><tr><td>'+
			cld[d].sYear+' 年 '+cld[d].sMonth+' 月 '+cld[d].sDay+' 日<br>星期'+cld[d].week+'<br>'+
			/*'<span class="lunarDate">農曆'+(cld[d].isLeap?'潤 ':' ')+cld[d].lMonth+' 月 '+cld[d].lDay+' 日</span><br />'+
			'<span class="sunDate">'+cld[d].cYear+'年 '+cld[d].cMonth+'月 '+cld[d].cDay + '日</span>'+*/
			'</td></tr></table>'+ festival +'</td></tr></table>';
		
		
		$("#detail").html(s);
		
		if (snow == '0') {
			obj = $('#GD'+ v);
			position = obj.position();
			$('#detail').css({
				'left': (position.left + obj.width() + offsetx) + 'px',
				'top': (position.top + offsety) + 'px'
			});
			$('#detail').show();
			snow = 1;
		}
	}
	
	if(!$.browser.msie)
		event.stopPropagation();
}

//清除詳細日期資料
function mOut(v) {
	if ( cnt >= 1 ) { sw = 0 }
	if ( sw == 0 ) { snow = 0;	$('#detail').hide();}
	else cnt++;
	
	if(!$.browser.msie)
		event.stopPropagation();
}

/////////////////////////////////////////////////////////

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";

function drawInitCld() {
	var gNum;
    for(i=0;i<6;i++) { 
       document.write('<tr>');
       for(j=0;j<7;j++) { 
          gNum = i*7+j 
          document.write('<td id="GD' + gNum +'" onmouseover="mOvr(' + gNum +')" onmouseout="mOut(' + gNum + ')" class="td-2"><span id="SD' + gNum +'"> </span><br /><span id="LD' + gNum + '"></span></td>');
       } 
       document.write('</tr>');
    }
	
	$(document).ready(function () {
		pushBtm();
	});
}