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 ];
	
	
	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;
	
	Age = kc % 60;
	if ( Age < 22 )
		Age = 22 - Age;
	else
		Age = 82 - Age;
	
	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("", SolarYear,"年",today.getMonth()+1,"月",today.getDate(),"日 ",d[today.getDay()+1],"");
       
      months = ["一","二","三","四","五","六","七","八","九","十","十一","十二"];
    
      days = ["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"];
      
	  document.write( " 农历"+months[LunarMonth-1]+"月" + days[LunarDate-1] + "");
       
                                  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 ]; 
}