function CalConv( lang )
{
	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 ), /* 1999 */
  				new tagLunarCal( 35,  0, 5, 53, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1 ), /* 2000 */
  				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 ), /* 2004 */
  				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 ), /* 2008 */
  				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 ), /* 2012 */
  				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 ), /* 2016 */
  				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 ), /* 2020 */
  				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 ), /* 2024 */
  				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 ), /* 2028 */
  				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 ) ];

 	/* 西曆年每月之日數 */
 	SolarCal = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];

 	/* 西曆年每月之累積日數, 平年與閏年 */
 	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 = ["馬 ", "羊 ", "猴 ", "雞 ", "狗 ", "豬 ", "鼠 ", "牛 ", "虎 ", "兔 ", "龍 ", "蛇 " ];
 	LocationIdx = [ "南", "東", "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;

 	Age =Age + 3;

	if (Age < 10)
  		Age=Age+60;

 	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;

    if ( lang == 'zh-CN' || lang == 'zh_CN' ) {
 		document.write( "【今天 西元 " + SolarYear + " 年 " + SolarMonth + " 月 " + SolarDate + " 日 " );
    	document.write( "农历 " + LunarMonth + " 月 " + LunarDate + " 日 " );
    	document.write( "煞" + Location + " 冲" + Animal + Age + " 岁】" );
	} else {
 		document.write( "【今天 西元 " + SolarYear + " 年 " + SolarMonth + " 月 " + SolarDate + " 日 " );
    	document.write( "農曆 " + LunarMonth + " 月 " + LunarDate + " 日 " );
    	document.write( "煞" + Location + " 沖" + Animal + Age + " 歲】" );
	}                
 
 	return 0;
}

 /* 求此西曆年是否為閏年, 返回 0 為平年, 1 為閏年 */
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;         /* 到西曆 1 月 1 日到農曆正月初一的累積日數 */
 	this.Intercalation = i;    /* 閏月月份. 0==此年沒有閏月 */
 	this.BaseWeekday = w;      /* 此年西曆 1 月 1 日為星期幾再減 1 */
 	this.BaseKanChih = k;      /* 此年西曆 1 月 1 日之干支序號減 1 */
 	this.MonthDays = [ m1, m2, m3, m4, m5, m6, m7, m8, m9, m10, m11, m12, m13 ]; /* 此農曆年每月之大小, 0==小月(29日), 1==大月(30日) */
}