function CalConv()
{
    FIRSTYEAR = 1998;
    LASTYEAR = 2031;
	today = new Date();
	SolarYear = today.getFullYear();
	SolarMonth = today.getMonth() + 1;
	SolarDate = today.getDate();
	Weekday = today.getDay();
     LunarCal = [
	  new tagLunarCal( 27,  5, 3, 43, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1 ),
	  new tagLunarCal( 46,  0, 4, 48, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1 ), 
	  new tagLunarCal( 35,  0, 5, 53, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1 ),
	  new tagLunarCal( 23,  4, 0, 59, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1 ),
	  new tagLunarCal( 42,  0, 1,  4, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1 ),
	  new tagLunarCal( 31,  0, 2,  9, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0 ),
	  new tagLunarCal( 21,  2, 3, 14, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1 ),
	  new tagLunarCal( 39,  0, 5, 20, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1 ),
	  new tagLunarCal( 28,  7, 6, 25, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1 ),
	  new tagLunarCal( 48,  0, 0, 30, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1 ),
	  new tagLunarCal( 37,  0, 1, 35, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1 ),
	  new tagLunarCal( 25,  5, 3, 41, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1 ),
	  new tagLunarCal( 44,  0, 4, 46, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1 ),
	  new tagLunarCal( 33,  0, 5, 51, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1 ),
	  new tagLunarCal( 22,  4, 6, 56, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0 ),
	  new tagLunarCal( 40,  0, 1,  2, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0 ),
	  new tagLunarCal( 30,  9, 2,  7, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1 ),
	  new tagLunarCal( 49,  0, 3, 12, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1 ),
	  new tagLunarCal( 38,  0, 4, 17, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0 ), 
	  new tagLunarCal( 27,  6, 6, 23, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1 ),
	  new tagLunarCal( 46,  0, 0, 28, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0 ),
	  new tagLunarCal( 35,  0, 1, 33, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0 ),
	  new tagLunarCal( 24,  4, 2, 38, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1 ), 
	  new tagLunarCal( 42,  0, 4, 44, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1 ),
	  new tagLunarCal( 31,  0, 5, 49, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0 ),
	  new tagLunarCal( 21,  2, 6, 54, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1 ),
	  new tagLunarCal( 40,  0, 0, 59, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1 ),
	  new tagLunarCal( 28,  6, 2,  5, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0 ),
	  new tagLunarCal( 47,  0, 3, 10, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1 ),
	  new tagLunarCal( 36,  0, 4, 15, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1 ),
	  new tagLunarCal( 25,  5, 5, 20, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0 ),
	  new tagLunarCal( 43,  0, 0, 26, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1 ),
	  new tagLunarCal( 32,  0, 1, 31, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0 ),
	  new tagLunarCal( 22,  3, 2, 36, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0 ) ];
		SolarCal = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
		SolarDays = [  0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365, 396,  0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366, 397 ];
		AnimalIdx = ["马", "羊", "猴", "鸡", "狗", "猪", "鼠", "牛", "虎", "兔", "龙", "蛇" ];
		LocationIdx = [ "南", "东", "北", "西" ];
		if ( SolarYear <= FIRSTYEAR || SolarYear > LASTYEAR ) return 1;
		sm = SolarMonth - 1;
		if ( sm < 0 || sm > 11 ) return 2;
		leap = GetLeap( SolarYear );
		if ( sm == 1 )
		d = leap + 28;
		else
		d = SolarCal[sm];
		if ( SolarDate < 1 || SolarDate > d ) return 3;
		y = SolarYear - FIRSTYEAR;
		acc = SolarDays[ leap*14 + sm ] + SolarDate;
		kc = acc + LunarCal[y].BaseKanChih;
		Kan = kc % 10;
		Chih = kc % 12;
		Location = LocationIdx[kc % 4];
		Age = kc % 60;
		if ( Age < 22 )
		Age = 22 - Age;
		else
		Age = 82 - Age;
		Animal = AnimalIdx[ Chih ];
		if ( acc <= LunarCal[y].BaseDays ) {
		y--;
		LunarYear = SolarYear - 1;
		leap = GetLeap( LunarYear );
		sm += 12;
		acc = SolarDays[leap*14 + sm] + SolarDate;
		 }
		else
		LunarYear = SolarYear;
		l1 = LunarCal[y].BaseDays;
		for ( i=0; i<13; i++ ) {
		l2 = l1 + LunarCal[y].MonthDays[i] + 29;
		if ( acc <= l2 ) break;
		l1 = l2;
		 }
		LunarMonth = i + 1;
		LunarDate = acc - l1;
		im = LunarCal[y].Intercalation;
		if ( im != 0 && LunarMonth > im ) {
		LunarMonth--;
		if ( LunarMonth == im ) LunarMonth = -im;
		 }
		if ( LunarMonth > 12 ) LunarMonth -= 12;
		today=new Date();
				function initArray(){
				 this.length=initArray.arguments.length
				 for(var i=0;i<this.length;i++)
				 this[i+1]=initArray.arguments[i]  }
			   var d=new initArray("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
			 document.write("<span class=\"jsdhtml\"> ", today.getYear(),"年 ",today.getMonth()+1,"月 ",today.getDate(),"日 ",d[today.getDay()+1],"");
			 document.write( "<span class=\"jsdhtml\">【农历 " + LunarMonth + "月" + LunarDate + "日】" );
			   return 0; 
}
	function GetLeap( year )
	{
	   if ( year % 400 == 0 )
		 return 1;
	   else if ( year % 100 == 0 )
		 return 0;
	   else if ( year % 4 == 0 )
		 return 1;
	   else
		 return 0;
	}
	function tagLunarCal( d, i, w, k, m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11, m12, m13) {
	this.BaseDays = d;         
	this.Intercalation = i;  
	this.BaseWeekday = w; 
	this.BaseKanChih = k;
	this.MonthDays = [ m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11, m12, m13 ]; 
	}
	CalConv();
