//function $(s)
//{
//	return document.getElementById(s);
//}

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","戌","亥");
var Animals=new Array("鼠","牛","虎","兔","龍","蛇","馬","羊","猴","雞","狗","猪");
var solarTerm = new Array("小寒","大寒","立春","雨水","驚蟄","春分","清明","谷雨","立夏","小滿","芒種","夏至","小暑","大暑","立秋","處暑","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','　')
//var monthName = new Array("JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC");
var monthName = new Array("1","2","3","4","5","6","7","8","9","10","11","12");

var sFtv = new Array(
"0101*元旦",
"0214 情人節",
//"0308 妇女節",
"0312 植樹節",
"0401 愚人節",
"0405 婦幼節",
"0501 勞動節",
//"0504 青年節",
//"0512 護士節",
//"0601 儿童節",
//"0801 建军節",
"0808 父親節",
"0928 教師節",
"1010*國慶日",
"1225 聖誕節");

var lFtv = new Array(
"0101*春節",
"0115 元宵節",
"0505 端午節",
"0707 七夕節",
"0715 中元節",
"0815 中秋節",
"0909 重陽節",
//"1208 腊八節",
"1224 小年",
"0100*除夕");

var wFtv = new Array(
"0520 母親節")

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))
}

function leapDays(y)
{
   if(leapMonth(y))  return((lunarInfo[y-1900] & 0x10000)? 30: 29)
   else return(0)
}

function leapMonth(y)
{
   return(lunarInfo[y-1900] & 0xf)
}

function monthDays(y,m)
{
   return( (lunarInfo[y-1900] & (0x10000>>m))? 30: 29 )
}

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) 
   this.isLeap = false

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

     
      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
}

function solarDays(y,m)
{
   if(m==1)
      return(((y%4 == 0) && (y%100 != 0) || (y%400 == 0))? 29: 28)
   else
      return(solarMonth[m])
}
function cyclical(num)
{
   return(Gan[num%10]+Zhi[num%12])
}

function calElement(sYear,sMonth,sDay,week,lYear,lMonth,lDay,isLeap,cYear,cMonth,cDay)
{

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

      this.color      = '';

      this.lunarFestival = ''; //农历節日
      this.solarFestival = ''; //国历節日
      this.solarTerms    = ''; //節气

}

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())
}

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)            //当月一日日期

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


   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 = '#e13937'  //周日颜色
      //if((i+this.firstWeek)%14==13) this[i].color = '#e13937'  //周休二日颜色
	  if((i+this.firstWeek)%7==6) this[i].color = '#e13937'  //周6
   }

   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 = '#888888' //清明颜色

   for(i=0;i<sFtv.length;i++)
      if(sFtv[i].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 = '#888888'
         }

   for(i=0;i<wFtv.length;i++)
      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 + ' '
         }

   //农历節日
   for(i=0;i<lFtv.length;i++)
      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 + ' '
               if(RegExp.$3=='*') this[tmp2].color = '#888888'
            }
         }
      }

   //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;

function drawCld(SY,SM)
{
	var i,sD,s,size;
	cld = new calendar(SY,SM);

	document.getElementById("GZ").innerHTML =  cyclical(SY-1900+36) + '年（'+Animals[(SY-4)%12]+'）';

	document.getElementById("YMBG").innerHTML = SY + "年" + monthName[SM] + "月";


	for(i=0;i<42;i++)
	{
		sObj=document.getElementById('SD'+ i);
		lObj=document.getElementById('LD'+ i);

		sObj.className = '';

		sD = i - cld.firstWeek;

		if(sD>-1 && sD<cld.length)
		{ 
			sObj.innerHTML = sD+1;

			if(cld[sD].isToday)
			{
				//sObj.className = 'todyaColor';
				sObj.style.backgroundColor='#d0d2d3';
			}
			sObj.style.color = cld[sD].color; 

			if(cld[sD].lDay==1) 
				lObj.innerHTML = (cld[sD].isLeap?'闰':'') + cld[sD].lMonth + '月' + (monthDays(cld[sD].lYear,cld[sD].lMonth)==29?'小':'大');
			else 
				lObj.innerHTML = cDay(cld[sD].lDay);

			s=cld[sD].lunarFestival;
			sObj.title=s;
			
			if(s.length>0) { 
				if(s.length>6) s = s.substr(0, 4)+'..';
				s = s.fontcolor('#888888');
			}
			else 
			{
				//国历節日
				s=cld[sD].solarFestival;
				sObj.title=s;
				if(s.length>0) {
					size = (s.charCodeAt(0)>0 && s.charCodeAt(0)<128)?8:4;
					if(s.length>size+2) s = s.substr(0, size)+'…';
					s = s.fontcolor('#888888');
				}
				else { //廿四節气
					s=cld[sD].solarTerms;
					sObj.title=s;
					if(s.length>0) s = s.fontcolor('#888888');
				}
			}
			if(s.length>0)
				lObj.innerHTML = s;
			else
			{
				sObj.title =lObj.innerHTML;
				lObj.innerHTML="<font color='#d0d2d3'>"+lObj.innerHTML+"</font>";
			}
		}
		else { //非日期
			sObj.innerHTML = '';
			lObj.innerHTML = '';
		}
	}
}

function changeCld()
{
   drawCld(mYear,mMonth);
}

function pushBtm(K)
{
	switch (K)
	{
	case 'YU' :
		mYear--;
		if(mYear<1900)mYear=1900;
		break;
	case 'YD' :
		mYear++;
		if(mYear>2050)mYear=2050;
		break;
	case 'MU' :
        mMonth--;
		if(mMonth<0)
		{
			mMonth=11;
			mYear--;
		}
        break;
	case 'MD' :
		mMonth++;
		if(mMonth>11)
		{
			mMonth=0;
			mYear++;
		}
        break;
	default :break;
	}
	changeCld();
}

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

var width = "130";
var offsetx = 2;
var offsety = 16;

var x = 0;
var y = 0;
var snow = 0;
var sw = 0;
var cnt = 0;

var dStyle;


//显示详细日期资料
function mOvr(v)
{
	var s,festival;
	var sObj=document.getElementById('SD'+ v);
	var d=sObj.innerHTML-1;

      //sYear,sMonth,sDay,week,
      //lYear,lMonth,lDay,isLeap,
      //cYear,cMonth,cDay

	if(sObj.innerHTML!='')
	{
		sObj.style.cursor = 's-resize';

		if(cld[d].solarTerms == '' && cld[d].solarFestival == '' && cld[d].lunarFestival == '')
			festival = '';
		else
			festival = '<TABLE WIDTH=100% BORDER=0 CELLPADDING=4 CELLSPACING=0 BGCOLOR="#333333"><TR><TD ALIGN="RIGHT">'+
			'<FONT style="color:#FFFFFF; font-size:9pt">'+cld[d].solarTerms + ' ' + cld[d].solarFestival + ' ' + cld[d].lunarFestival+'</FONT></TD>'+
			'</TR></TABLE>';

		s = '<TABLE WIDTH="140" BORDER=0 CELLPADDING="0" CELLSPACING=0 BGCOLOR="#000099"><TR><TD>' +
			'<TABLE WIDTH=100% BORDER=0 CELLPADDING=4 CELLSPACING=0><TR><TD ALIGN="RIGHT" nowrap><FONT style="color:#FFFFFF; font-size:9pt">'+
			cld[d].sYear+'年 '+cld[d].sMonth+'月 '+cld[d].sDay+'日<br>星期'+cld[d].week+'<br>'+
			'<font color="fuchsia">农历'+(cld[d].isLeap?'闰 ':' ')+cld[d].lMonth+'月 '+cld[d].lDay+'日</font><br>'+
			'<font color="yellow">'+cld[d].cYear+'年 '+cld[d].cMonth+'月 '+cld[d].cDay + '日</font>'+
			'</FONT></TD></TR></TABLE>'+ festival +'</TD></TR></TABLE>';

   		if (snow == 0)
		{
			dStyle.left = x+offsetx-(width/2);
			dStyle.top = y+offsety;
   			dStyle.visibility = "visible";
   			snow = 1;
   		}
	}
}

//清除详细日期资料
function mOut()
{
	if ( cnt >= 1 ) { sw = 0 }
	if ( sw == 0 )
	{ snow = 0;
	dStyle.visibility="hidden";}
	else cnt++;
}

//取得位置
function mEvn()
{
   x=event.x;
   y=event.y;
	if (document.body.scrollLeft)
	   {x=event.x+document.body.scrollLeft; y=event.y+document.body.scrollTop;}
	if (snow){
      dStyle.left = x+offsetx-(width/2)
      dStyle.top = y+offsety
	}
}


function initial(_date)
{
	var shtml="<table cellspacing=\"0\" cellpadding=\"0\" width=\"100%\" style=\"border-collapse: collapse\" bgcolor=\"#fefdf2\"  border=\"0\" id=\"datetable\">\n";
	shtml+="<tr align=\"center\" bgcolor=\"#EDF2F2\" style=\"color:#403f41\">";
	shtml+="<td width=\"32\" height=\"24\"><font color='#e13937'>日</font></td>";
	shtml+="<td width=\"32\">一</td>";
	shtml+="<td width=\"32\">二</td>";
	shtml+="<td width=\"32\">三</td>";
	shtml+="<td width=\"32\">四</td>";
	shtml+="<td width=\"32\">五</td>";
	shtml+="<td width=\"32\"><font color='#e13937'>六</font></td></tr>";
	for(i=0;i<6;i++)
	{
		shtml+="<tr align=\"center\">";
		for(j=0;j<7;j++)
		{
			gNum = i*7+j
			shtml+="	  <td nowrap=\"nowrap\">";
			shtml+="<font id=\"SD" + gNum +"\" size=\"2\"  face=\"Arial Black\"";
			
			if(j == 0||j == 6)
				shtml+=" color=\"#403f41\"";
			else
				shtml+=" color=\"#403f41\"";
			
			shtml+=" TITLE=\"\"> d</font><br /><font id=\"LD" + gNum + "\" style=\"font-size:7pt\"> f</font></td>";

		}
		shtml+="</tr>";
	}
	shtml+="</table>";
	document.getElementById(_date).innerHTML=shtml;
	drawCld(tY,tM);
}