/**
 * Copyright 2004 Ho Ngoc Duc [http://come.to/duc]. All Rights Reserved.<p>
 * Permission to use, copy, modify, and redistribute this software and its
 * documentation for personal, non-commercial use is hereby granted provided that
 * this copyright notice appears in all copies.
 */

var ABOUT = "WP Plugin: Lunar Calendar V2.0 (\u00C2m L\u1ECBch Vi\u1EC7t Nam)"+"\nDeveloped by Phong Nguyen"+"\nBased on Ho Ngoc Duc\'s Vietnamese Lunar Calendar"+"\nEmail: phongca07@yahoo.com";
var TK19 = new Array(
	0x30baa3, 0x56ab50, 0x422ba0, 0x2cab61, 0x52a370, 0x3c51e8, 0x60d160, 0x4ae4b0, 0x376926, 0x58daa0,
	0x445b50, 0x3116d2, 0x562ae0, 0x3ea2e0, 0x28e2d2, 0x4ec950, 0x38d556, 0x5cb520, 0x46b690, 0x325da4,
	0x5855d0, 0x4225d0, 0x2ca5b3, 0x52a2b0, 0x3da8b7, 0x60a950, 0x4ab4a0, 0x35b2a5, 0x5aad50, 0x4455b0,
	0x302b74, 0x562570, 0x4052f9, 0x6452b0, 0x4e6950, 0x386d56, 0x5e5aa0, 0x46ab50, 0x3256d4, 0x584ae0,
	0x42a570, 0x2d4553, 0x50d2a0, 0x3be8a7, 0x60d550, 0x4a5aa0, 0x34ada5, 0x5a95d0, 0x464ae0, 0x2eaab4,
	0x54a4d0, 0x3ed2b8, 0x64b290, 0x4cb550, 0x385757, 0x5e2da0, 0x4895d0, 0x324d75, 0x5849b0, 0x42a4b0,
	0x2da4b3, 0x506a90, 0x3aad98, 0x606b50, 0x4c2b60, 0x359365, 0x5a9370, 0x464970, 0x306964, 0x52e4a0,
	0x3cea6a, 0x62da90, 0x4e5ad0, 0x392ad6, 0x5e2ae0, 0x4892e0, 0x32cad5, 0x56c950, 0x40d4a0, 0x2bd4a3,
	0x50b690, 0x3a57a7, 0x6055b0, 0x4c25d0, 0x3695b5, 0x5a92b0, 0x44a950, 0x2ed954, 0x54b4a0, 0x3cb550,
	0x286b52, 0x4e55b0, 0x3a2776, 0x5e2570, 0x4852b0, 0x32aaa5, 0x56e950, 0x406aa0, 0x2abaa3, 0x50ab50
); /* Years 2000-2099 */

var TK20 = new Array(
	0x3c4bd8, 0x624ae0, 0x4ca570, 0x3854d5, 0x5cd260, 0x44d950, 0x315554, 0x5656a0, 0x409ad0, 0x2a55d2,
	0x504ae0, 0x3aa5b6, 0x60a4d0, 0x48d250, 0x33d255, 0x58b540, 0x42d6a0, 0x2cada2, 0x5295b0, 0x3f4977,
	0x644970, 0x4ca4b0, 0x36b4b5, 0x5c6a50, 0x466d50, 0x312b54, 0x562b60, 0x409570, 0x2c52f2, 0x504970,
	0x3a6566, 0x5ed4a0, 0x48ea50, 0x336a95, 0x585ad0, 0x442b60, 0x2f86e3, 0x5292e0, 0x3dc8d7, 0x62c950,
	0x4cd4a0, 0x35d8a6, 0x5ab550, 0x4656a0, 0x31a5b4, 0x5625d0, 0x4092d0, 0x2ad2b2, 0x50a950, 0x38b557,
	0x5e6ca0, 0x48b550, 0x355355, 0x584da0, 0x42a5b0, 0x2f4573, 0x5452b0, 0x3ca9a8, 0x60e950, 0x4c6aa0,
	0x36aea6, 0x5aab50, 0x464b60, 0x30aae4, 0x56a570, 0x405260, 0x28f263, 0x4ed940, 0x38db47, 0x5cd6a0,
	0x4896d0, 0x344dd5, 0x5a4ad0, 0x42a4d0, 0x2cd4b4, 0x52b250, 0x3cd558, 0x60b540, 0x4ab5a0, 0x3755a6,
	0x5c95b0, 0x4649b0, 0x30a974, 0x56a4b0, 0x40aa50, 0x29aa52, 0x4e6d20, 0x39ad47, 0x5eab60, 0x489370,
	0x344af5, 0x5a4970, 0x4464b0, 0x2c74a3, 0x50ea50, 0x3d6a58, 0x6256a0, 0x4aaad0, 0x3696d5, 0x5c92e0
); /* Years 1900-1999 */

var TK21 = new Array(
	0x46c960, 0x2ed954, 0x54d4a0, 0x3eda50, 0x2a7552, 0x4e56a0, 0x38a7a7, 0x5ea5d0, 0x4a92b0, 0x32aab5,
	0x58a950, 0x42b4a0, 0x2cbaa4, 0x50ad50, 0x3c55d9, 0x624ba0, 0x4ca5b0, 0x375176, 0x5c5270, 0x466930,
	0x307934, 0x546aa0, 0x3ead50, 0x2a5b52, 0x504b60, 0x38a6e6, 0x5ea4e0, 0x48d260, 0x32ea65, 0x56d520,
	0x40daa0, 0x2d56a3, 0x5256d0, 0x3c4afb, 0x6249d0, 0x4ca4d0, 0x37d0b6, 0x5ab250, 0x44b520, 0x2edd25,
	0x54b5a0, 0x3e55d0, 0x2a55b2, 0x5049b0, 0x3aa577, 0x5ea4b0, 0x48aa50, 0x33b255, 0x586d20, 0x40ad60,
	0x2d4b63, 0x525370, 0x3e49e8, 0x60c970, 0x4c54b0, 0x3768a6, 0x5ada50, 0x445aa0, 0x2fa6a4, 0x54aad0,
	0x4052e0, 0x28d2e3, 0x4ec950, 0x38d557, 0x5ed4a0, 0x46d950, 0x325d55, 0x5856a0, 0x42a6d0, 0x2c55d4,
	0x5252b0, 0x3ca9b8, 0x62a930, 0x4ab490, 0x34b6a6, 0x5aad50, 0x4655a0, 0x2eab64, 0x54a570, 0x4052b0,
	0x2ab173, 0x4e6930, 0x386b37, 0x5e6aa0, 0x48ad50, 0x332ad5, 0x582b60, 0x42a570, 0x2e52e4, 0x50d160,
	0x3ae958, 0x60d520, 0x4ada90, 0x355aa6, 0x5a56d0, 0x462ae0, 0x30a9d4, 0x54a2d0, 0x3ed150, 0x28e952
); /* Years 2000-2099 */

var TK22 = new Array(
		0x4eb520, 0x38d727, 0x5eada0, 0x4a55b0, 0x362db5, 0x5a45b0, 0x44a2b0, 0x2eb2b4, 0x54a950, 0x3cb559,
		0x626b20, 0x4cad50, 0x385766, 0x5c5370, 0x484570, 0x326574, 0x5852b0, 0x406950, 0x2a7953, 0x505aa0,
		0x3baaa7, 0x5ea6d0, 0x4a4ae0, 0x35a2e5, 0x5aa550, 0x42d2a0, 0x2de2a4, 0x52d550, 0x3e5abb, 0x6256a0,
		0x4c96d0, 0x3949b6, 0x5e4ab0, 0x46a8d0, 0x30d4b5, 0x56b290, 0x40b550, 0x2a6d52, 0x504da0, 0x3b9567,
		0x609570, 0x4a49b0, 0x34a975, 0x5a64b0, 0x446a90, 0x2cba94, 0x526b50, 0x3e2b60, 0x28ab61, 0x4c9570,
		0x384ae6, 0x5cd160, 0x46e4a0, 0x2eed25, 0x54da90, 0x405b50, 0x2c36d3, 0x502ae0, 0x3a93d7, 0x6092d0,
		0x4ac950, 0x32d556, 0x58b4a0, 0x42b690, 0x2e5d94, 0x5255b0, 0x3e25fa, 0x6425b0, 0x4e92b0, 0x36aab6,
		0x5c6950, 0x4674a0, 0x31b2a5, 0x54ad50, 0x4055a0, 0x2aab73, 0x522570, 0x3a5377, 0x6052b0, 0x4a6950,
		0x346d56, 0x585aa0, 0x42ab50, 0x2e56d4, 0x544ae0, 0x3ca570, 0x2864d2, 0x4cd260, 0x36eaa6, 0x5ad550,
		0x465aa0, 0x30ada5, 0x5695d0, 0x404ad0, 0x2aa9b3, 0x50a4d0, 0x3ad2b7, 0x5eb250, 0x48b540, 0x33d556
); /* Years 2100-2199 */

/*
var CAN = new Array("Gi\341p", "\u1EA4t", "B\355nh", "\u0110inh", "M\u1EADu", "K\u1EF7", "Canh", "T\342n", "Nh\342m", "Qu\375");
var CHI = new Array("T\375", "S\u1EEDu", "D\u1EA7n", "M\343o", "Th\354n", "T\u1EF5", "Ng\u1ECD", "M\371i", "Th\342n", "D\u1EADu", "Tu\u1EA5t", "H\u1EE3i");
var TUAN = new Array("Ch\u1EE7 nh\u1EADt", "Th\u1EE9 hai", "Th\u1EE9 ba", "Th\u1EE9 t\u01B0", "Th\u1EE9 n\u0103m", "Th\u1EE9 s\341u", "Th\u1EE9 b\u1EA3y");
var GIO_HD = new Array("110100101100", "001101001011", "110011010010", "101100110100", "001011001101", "010010110011");
var TIETKHI = new Array("Xu\u00E2n ph\u00E2n", "Thanh minh", "C\u1ED1c v\u0169", "L\u1EADp h\u1EA1", "Ti\u1EC3u m\u00E3n", "Mang ch\u1EE7ng",
	"H\u1EA1 ch\u00ED", "Ti\u1EC3u th\u1EED", "\u0110\u1EA1i th\u1EED", "L\u1EADp thu", "X\u1EED th\u1EED", "B\u1EA1ch l\u1ED9",
	"Thu ph\u00E2n", "H\u00E0n l\u1ED9", "S\u01B0\u01A1ng gi\u00E1ng", "L\u1EADp \u0111\u00F4ng", "Ti\u1EC3u tuy\u1EBFt", "\u0110\u1EA1i tuy\u1EBFt",
	"\u0110\u00F4ng ch\u00ED", "Ti\u1EC3u h\u00E0n", "\u0110\u1EA1i h\u00E0n", "L\u1EADp xu\u00E2n", "V\u0169 Th\u1EE7y", "Kinh tr\u1EADp"
);
*/

/* New version was updated by Phong Nguyen */
var TUAN = new Array("Ch\u1EE7 Nh\u1EADt", "Th\u1EE9 Hai", "Th\u1EE9 Ba", "Th\u1EE9 T\u01B0", "Th\u1EE9 N\u0103m", "Th\u1EE9 S\341u", "Th\u1EE9 B\u1EA3y");
var THANG = new Array("Gi\u00EAng", "Hai", "Ba", "T\u01B0", "N\u0103m", "S\u00E1u", "B\u1EA3y", "T\u00E1m", "Ch\u00EDn", "M\u01B0\u1EDDi", "M\u1ED9t", "Ch\u1EA1p");
var CAN = new Array("Gi\341p", "\u1EA4t", "B\355nh", "\u0110inh", "M\u1EADu", "K\u1EF7", "Canh", "T\342n", "Nh\342m", "Qu\375");
var CHI = new Array("T\375", "S\u1EEDu", "D\u1EA7n", "M\343o", "Th\354n", "T\u1EF5", "Ng\u1ECD", "M\371i", "Th\342n", "D\u1EADu", "Tu\u1EA5t", "H\u1EE3i");
var GIO_HD = new Array("110100101100", "001101001011", "110011010010", "101100110100", "001011001101", "010010110011");
var TIETKHI = new Array("Xu\u00E2n ph\u00E2n", "Thanh minh", "C\u1ED1c v\u0169", "L\u1EADp h\u1EA1", "Ti\u1EC3u m\u00E3n", "Mang ch\u1EE7ng",
	"H\u1EA1 ch\u00ED", "Ti\u1EC3u th\u1EED", "\u0110\u1EA1i th\u1EED", "L\u1EADp thu", "X\u1EED th\u1EED", "B\u1EA1ch l\u1ED9",
	"Thu ph\u00E2n", "H\u00E0n l\u1ED9", "S\u01B0\u01A1ng gi\u00E1ng", "L\u1EADp \u0111\u00F4ng", "Ti\u1EC3u tuy\u1EBFt", "\u0110\u1EA1i tuy\u1EBFt",
	"\u0110\u00F4ng ch\u00ED", "Ti\u1EC3u h\u00E0n", "\u0110\u1EA1i h\u00E0n", "L\u1EADp xu\u00E2n", "V\u0169 Th\u1EE7y", "Kinh tr\u1EADp"
); /*end new verion */


/* Updated Special Events in Vietnam by Phong Nguyen 20101124*/
function YearlyEvent(dd, mm, info) {
	this.day = dd;
	this.month = mm;
	this.info = info;
}

var YEARLY_EVENTS = new Array(
  new YearlyEvent(1,1,'T\u1EBFt Nguy\u00EAn \u0110\u00E1n Vi&#7879;t Nam'),
  new YearlyEvent(15,1,'R\u1EB1m th\u00E1ng Gi\u00EAng'),
  new YearlyEvent(29,1,'Sinh Nh\u1eadt Nguy\u1ec5n T. B\u00edch Ph\u01b0\u1ee3ng')/*Sinh nhat Phuong*/,
  new YearlyEvent(10,3,'Gi\u1ED7 T\u1ED5 H\u00F9ng V\u01B0\u01A1ng (10/3 \u00C2L)'),
  new YearlyEvent(15,4,'Ph\u1EADt \u0110\u1EA3n (15/4 \u00C2L)'),
  new YearlyEvent(5,5,'L\u1EC5 \u0110oan Ng\u1ECD (5/5 \u00C2L)'),
  new YearlyEvent(15,7,'Vu Lan (15/7 \u00C2L)'),
   new YearlyEvent(21,7,'Sinh Nh\u1eadt Nguy\u1ec5n \u00c1i Phong')/*Sinh nhat Phong*/,
  new YearlyEvent(15,8,'T\u1EBFt Trung Thu (R\u1EB1m th\u00E1ng 8)'),
  
  new YearlyEvent(23,12,'\u00D4ng T\u00E1o ch\u1EA7u tr\u1EDDi (23/12 \u00C2L)')
);

function findEvents(dd, mm) {
	var ret = new Array();
	for (var i = 0; i < YEARLY_EVENTS.length; i++) {
		evt = YEARLY_EVENTS[i];
		if (evt.day == dd && evt.month == mm) {
			ret.push(evt);
		}
	}
	return ret;
}

function getDayInfo(dd, mm) {
	var events = findEvents(dd, mm);
	var ret = '';
	for (var i = 0; i < events.length; i++) {
		ret += events[i].info+' ';
	}
	ret += '&nbsp;';
	return ret;
}

/* End Special Events */
/* Chuyen doi ngay duong sang am lich */
function convertSolar2Lunar(dd, mm, yy, timeZone) {

var k, dayNumber, monthStart, a11, b11, lunarDay, lunarMonth, lunarYear, lunarLeap;
dayNumber = jdFromDate(dd, mm, yy);
k = INT((dayNumber - 2415021.076998695) / 29.530588853);
monthStart = getNewMoonDay(k+1, timeZone);
if (monthStart > dayNumber) {
	monthStart = getNewMoonDay(k, timeZone);
}
a11 = getLunarMonth11(yy, timeZone);
b11 = a11;
if (a11 >= monthStart) {
	lunarYear = yy;
	a11 = getLunarMonth11(yy-1, timeZone);
} else {
	lunarYear = yy+1;
	b11 = getLunarMonth11(yy+1, timeZone);
}
lunarDay = dayNumber-monthStart+1;
diff = INT((monthStart - a11)/29);
lunarLeap = 0;
lunarMonth = diff+11;
if (b11 - a11 > 365) {
	leapMonthDiff = getLeapMonthOffset(a11, timeZone);
	if (diff >= leapMonthDiff) {
		lunarMonth = diff + 10;
		if (diff == leapMonthDiff) {
			lunarLeap = 1;
		}
	}
}
if (lunarMonth > 12) {
	lunarMonth = lunarMonth - 12;
}
if (lunarMonth >= 11 && diff < 4) {
	lunarYear -= 1;
}


}

/* Create lunar date object, stores (lunar) date, month, year, leap month indicator, and Julian date number */
function LunarDate(dd, mm, yy, leap, jd) {
	this.day = dd;
	this.month = mm;
	this.year = yy;
	this.leap = leap;
	this.jd = jd;
}

var PI = Math.PI;

/* Discard the fractional part of a number, e.g., INT(3.2) = 3 */
function INT(d) {
	return Math.floor(d);
}

function jdn(dd, mm, yy) {
	var a = INT((14 - mm) / 12);
	var y = yy+4800-a;
	var m = mm+12*a-3;
	var jd = dd + INT((153*m+2)/5) + 365*y + INT(y/4) - INT(y/100) + INT(y/400) - 32045;
	return jd;
	//return 367*yy - INT(7*(yy+INT((mm+9)/12))/4) - INT(3*(INT((yy+(mm-9)/7)/100)+1)/4) + INT(275*mm/9)+dd+1721029;
}

function jdn2date(jd) {
	var Z, A, alpha, B, C, D, E, dd, mm, yyyy, F;
	Z = jd;
	if (Z < 2299161) {
	  A = Z;
	} else {
	  alpha = INT((Z-1867216.25)/36524.25);
	  A = Z + 1 + alpha - INT(alpha/4);
	}
	B = A + 1524;
	C = INT( (B-122.1)/365.25);
	D = INT( 365.25*C );
	E = INT( (B-D)/30.6001 );
	dd = INT(B - D - INT(30.6001*E));
	if (E < 14) {
	  mm = E - 1;
	} else {
	  mm = E - 13;
	}
	if (mm < 3) {
	  yyyy = C - 4715;
	} else {
	  yyyy = C - 4716;
	}
	return new Array(dd, mm, yyyy);
}

function decodeLunarYear(yy, k) {
	var monthLengths, regularMonths, offsetOfTet, leapMonth, leapMonthLength, solarNY, currentJD, j, mm;
	var ly = new Array();
	monthLengths = new Array(29, 30);
	regularMonths = new Array(12);
	offsetOfTet = k >> 17;
	leapMonth = k & 0xf;
	leapMonthLength = monthLengths[k >> 16 & 0x1];
	solarNY = jdn(1, 1, yy);
	currentJD = solarNY+offsetOfTet;
	j = k >> 4;
	for(i = 0; i < 12; i++) {
		regularMonths[12 - i - 1] = monthLengths[j & 0x1];
		j >>= 1;
	}
	if (leapMonth == 0) {
		for(mm = 1; mm <= 12; mm++) {
			ly.push(new LunarDate(1, mm, yy, 0, currentJD));
			currentJD += regularMonths[mm-1];
		}
	} else {
		for(mm = 1; mm <= leapMonth; mm++) {
			ly.push(new LunarDate(1, mm, yy, 0, currentJD));
			currentJD += regularMonths[mm-1];
		}
		ly.push(new LunarDate(1, leapMonth, yy, 1, currentJD));
		currentJD += leapMonthLength;
		for(mm = leapMonth+1; mm <= 12; mm++) {
			ly.push(new LunarDate(1, mm, yy, 0, currentJD));
			currentJD += regularMonths[mm-1];
		}
	}
	return ly;
}

function getYearInfo(yyyy) {
	var yearCode;
	if (yyyy < 1900) {
		yearCode = TK19[yyyy - 1800];
	} else if (yyyy < 2000) {
		yearCode = TK20[yyyy - 1900];
	} else if (yyyy < 2100) {
		yearCode = TK21[yyyy - 2000];
	} else {
		yearCode = TK22[yyyy - 2100];
	}
	return decodeLunarYear(yyyy, yearCode);
}

var FIRST_DAY = jdn(25, 1, 1800); // Tet am lich 1800
var LAST_DAY = jdn(31, 12, 2199);

function findLunarDate(jd, ly) {
	if (jd > LAST_DAY || jd < FIRST_DAY || ly[0].jd > jd) {
		return new LunarDate(0, 0, 0, 0, jd);
	}
	var i = ly.length-1;
	while (jd < ly[i].jd) {
		i--;
	}
	var off = jd - ly[i].jd;
	ret = new LunarDate(ly[i].day+off, ly[i].month, ly[i].year, ly[i].leap, jd);
	return ret;
}

function getLunarDate(dd, mm, yyyy) {
	var ly, jd;
	if (yyyy < 1800 || 2199 < yyyy) {
		//return new LunarDate(0, 0, 0, 0, 0);
	}
	ly = getYearInfo(yyyy);
	jd = jdn(dd, mm, yyyy);
	if (jd < ly[0].jd) {
		ly = getYearInfo(yyyy - 1);
	}
	return findLunarDate(jd, ly);
}

/* Compute the longitude of the sun at any time.
 * Parameter: floating number jdn, the number of days since 1/1/4713 BC noon
 * Algorithm from: "Astronomical Algorithms" by Jean Meeus, 1998
 */

 /*
 function SunLongitude(jdn) {
	var T, T2, dr, M, L0, DL, L;
	T = (jdn - 2451545.0 ) / 36525; // Time in Julian centuries from 2000-01-01 12:00:00 GMT
	T2 = T*T;
	dr = PI/180; // degree to radian
	M = 357.52910 + 35999.05030*T - 0.0001559*T2 - 0.00000048*T*T2; // mean anomaly, degree
	L0 = 280.46645 + 36000.76983*T + 0.0003032*T2; // mean longitude, degree
	DL = (1.914600 - 0.004817*T - 0.000014*T2)*Math.sin(dr*M);
	DL = DL + (0.019993 - 0.000101*T)*Math.sin(dr*2*M) + 0.000290*Math.sin(dr*3*M);
	L = L0 + DL; // true longitude, degree
	L = L*dr;
	L = L - PI*2*(INT(L/(PI*2))); // Normalize to (0, 2*PI)
	return L;
}*/

/* Updated by Phong Nguyen 20101124 */
function SunLongitude(jdn) {
	var T, T2, dr, M, L0, DL, lambda, theta, omega;
	T = (jdn - 2451545.0 ) / 36525; // Time in Julian centuries from 2000-01-01 12:00:00 GMT
	T2 = T*T;
	dr = PI/180; // degree to radian
	M = 357.52910 + 35999.05030*T - 0.0001559*T2 - 0.00000048*T*T2; // mean anomaly, degree
	L0 = 280.46645 + 36000.76983*T + 0.0003032*T2; // mean longitude, degree
	DL = (1.914600 - 0.004817*T - 0.000014*T2)*Math.sin(dr*M);
	DL = DL + (0.019993 - 0.000101*T)*Math.sin(dr*2*M) + 0.000290*Math.sin(dr*3*M);
    theta = L0 + DL; // true longitude, degree
    // obtain apparent longitude by correcting for nutation and aberration
    omega = 125.04 - 1934.136 * T;
    lambda = theta - 0.00569 - 0.00478 * Math.sin(omega * dr);
    // Convert to radians
    lambda = lambda*dr;
	lambda = lambda - PI*2*(INT(lambda/(PI*2))); // Normalize to (0, 2*PI)
    return lambda;
}


/* Compute the sun segment at start (00:00) of the day with the given integral Julian day number.
 * The time zone if the time difference between local time and UTC: 7.0 for UTC+7:00.
 * The function returns a number between 0 and 23.
 * From the day after March equinox and the 1st major term after March equinox, 0 is returned.
 * After that, return 1, 2, 3 ...
 */
function getSunLongitude(dayNumber, timeZone) {
	return INT(SunLongitude(dayNumber - 0.5 - timeZone/24.0) / PI * 12);
}

var today = new Date();
//var currentLunarYear = getYearInfo(today.getFullYear());
var currentLunarDate = getLunarDate(today.getDate(), today.getMonth()+1, today.getFullYear());
var currentMonth = today.getMonth()+1;
var currentYear = today.getFullYear();

function parseQuery(q) {
	var ret = new Array();
	if (q.length < 2) return ret;
	var s = q.substring(1, q.length);
	var arr = s.split("&");
	var i, j;
	for (i = 0; i < arr.length; i++) {
		var a = arr[i].split("=");
		for (j = 0; j < a.length; j++) {
			ret.push(a[j]);
		}
	}
	return ret;
}

function getSelectedMonth() {
	var query = window.location.search;
	var arr = parseQuery(query);
	var idx;
	for (idx = 0; idx < arr.length; idx++) {
		if (arr[idx] == "mm") {
			currentMonth = parseInt(arr[idx+1]);
		} else if (arr[idx] == "yy") {
			currentYear = parseInt(arr[idx+1]);
		}
	}
}

function getMonth(mm, yy) {
	var ly1, ly2, tet1, jd1, jd2, mm1, yy1, result, i;
	if (mm < 12) {
		mm1 = mm + 1;
		yy1 = yy;
	} else {
		mm1 = 1;
		yy1 = yy + 1;
	}
	jd1 = jdn(1, mm, yy);
	jd2 = jdn(1, mm1, yy1);
	ly1 = getYearInfo(yy);
	//alert('1/'+mm+'/'+yy+' = '+jd1+'; 1/'+mm1+'/'+yy1+' = '+jd2);
	tet1 = ly1[0].jd;
	result = new Array();
	if (tet1 <= jd1) { /* tet(yy) = tet1 < jd1 < jd2 <= 1.1.(yy+1) < tet(yy+1) */
		for (i = jd1; i < jd2; i++) {
			result.push(findLunarDate(i, ly1));
		}
	} else if (jd1 < tet1 && jd2 < tet1) { /* tet(yy-1) < jd1 < jd2 < tet1 = tet(yy) */
		ly1 = getYearInfo(yy - 1);
		for (i = jd1; i < jd2; i++) {
			result.push(findLunarDate(i, ly1));
		}
	} else if (jd1 < tet1 && tet1 <= jd2) { /* tet(yy-1) < jd1 < tet1 <= jd2 < tet(yy+1) */
		ly2 = getYearInfo(yy - 1);
		for (i = jd1; i < tet1; i++) {
			result.push(findLunarDate(i, ly2));
		}
		for (i = tet1; i < jd2; i++) {
			result.push(findLunarDate(i, ly1));
		}
	}
	return result;
}

function getDayName(lunarDate) {
	if (lunarDate.day == 0) {
		return "";
	}
	var cc = getCanChi(lunarDate);
	var s = "Ng\u00E0y " + cc[0] +" ("+lunarDate.day+"/"+lunarDate.month+"), th\341ng "+cc[1] + ", n\u0103m " + cc[2];
	return s;
}
function getLDayName(lunarDate) {
	if (lunarDate.day == 0) {
		return "";
	}
	var cc = getCanChi(lunarDate);
	var s =cc[0];
	return s;
}
function getLMonthName(lunarDate) {
	if (lunarDate.day == 0) {
		return "";
	}
	var cc = getCanChi(lunarDate);
	var s =cc[1];
	return s;
}
function getLYearName(lunarDate) {
	if (lunarDate.day == 0) {
		return "";
	}
	var cc = getCanChi(lunarDate);
	var s =cc[2];
	return s;
}
function getYearCanChi(year) {
	return CAN[(year+6) % 10] + " " + CHI[(year+8) % 12];
}

/*
 * Can cua gio Chinh Ty (00:00) cua ngay voi JDN nay
 */
function getCanHour0(jdn) {
	return CAN[(jdn-1)*2 % 10];
}

function getCanChi(lunar) {
	var dayName, monthName, yearName;
	dayName = CAN[(lunar.jd + 9) % 10] + " " + CHI[(lunar.jd+1)%12];
	monthName = CAN[(lunar.year*12+lunar.month+3) % 10] + " " + CHI[(lunar.month+1)%12];
	if (lunar.leap == 1) {
		monthName += " (nhu\u1EADn)";
	}
	yearName = getYearCanChi(lunar.year);
	return new Array(dayName, monthName, yearName);
}

function getDayString(lunar, solarDay, solarMonth, solarYear) {
	var s;
	var dayOfWeek = TUAN[(lunar.jd + 1) % 7];
	s = dayOfWeek + " " + solarDay + "/" + solarMonth + "/" + solarYear;
	s += " -+- ";
	s = s + "Ng\u00E0y " + lunar.day+" th\341ng "+lunar.month;
	if (lunar.leap == 1) {
		s = s + " nhu\u1EADn";
	}
	return s;
}

function getTodayString() {
	var s = getDayString(currentLunarDate, today.getDate(), today.getMonth()+1, today.getFullYear());
	s += " n\u0103m " + getYearCanChi(currentLunarDate.year);
	return s;
}

function getCurrentTime() {
	today = new Date();
	var Std = today.getHours();
	var Min = today.getMinutes();
	var Sec = today.getSeconds();
	var s1  = ((Std < 10) ? "0" + Std : Std);
	var s2  = ((Min < 10) ? "0" + Min : Min);
	//var s3  = ((Sec < 10) ? "0" + Sec : Sec);
	//return s1 + ":" + s2 + ":" + s3;
	return s1 + ":" + s2;
}

function getGioHoangDao(jd) {
	var chiOfDay = (jd+1) % 12;
	var gioHD = GIO_HD[chiOfDay % 6]; // same values for Ty' (1) and Ngo. (6), for Suu and Mui etc.
	var ret = "";
	var count = 0;
	for (var i = 0; i < 12; i++) {
		if (gioHD.charAt(i) == '1') {
			ret += CHI[i];
			ret += ' ('+(i*2+23)%24+'-'+(i*2+1)%24+')';
			if (count++ < 5) ret += ', ';
			if (count == 3) ret += '\n';
		}
	}
	return ret;
}
//changed display here
//var DAYNAMES = new Array("CN", "T2", "T3", "T4", "T5", "T6", "T7");
var DAYNAMES = new Array("Su", "Mo", "Tu", "We", "Th", "Fr", "Sa");
//var PRINT_OPTS = new OutputOptions();
//var FONT_SIZES = new Array("8pt", "12pt", "15pt");
//var TAB_WIDTHS = new Array("160px", "420px", "600px");

//function OutputOptions() {
//	this.fontSize = "12pt";
//	this.tableWidth = "420px";
//}

var PRINT_OPTS = new OutputOptions();
/*
var FONT_SIZES = new Array("7pt", "9pt", "13pt");
var TAB_WIDTHS = new Array("155px", "420px", "600px");

function OutputOptions() {
	this.fontSize = "10pt";
	this.tableWidth = "420px";
}
*/

var FONT_SIZES = new Array("9pt", "13pt", "17pt");
var TAB_WIDTHS = new Array("180px", "420px", "600px");

function OutputOptions() {
	this.fontSize = "13pt";
	this.tableWidth = "420px";
}


function setOutputSize(size) {
	var idx = 1;
	if (size == "small") {
		idx = 0;
	} else if (size == "big") {
		idx = 2;
	} else {
		idx = 1;
	}
	PRINT_OPTS.fontSize = FONT_SIZES[idx];
	PRINT_OPTS.tableWidth = TAB_WIDTHS[idx];
}

function printSelectedMonth() {
	getSelectedMonth();
	return printMonth(currentMonth, currentYear);
}

function printMonth(mm, yy) {
	var res = "";
	res += printStyle();
	res += printTable(mm, yy);
	res += printFoot();
	return res;
}
//no changed
function printYear(yy) {
	var yearName = "N&#x103;m " + getYearCanChi(yy) + " " + yy;
	var res = "";
	res += printStyle();
	res += '<table align=center>\n';
	res += ('<tr><td colspan="3" class="tennam" onClick="showYearSelect();">'+yearName+'</td></tr>\n');
	for (var i = 1; i<= 12; i++) {
		if (i % 3 == 1) res += '<tr>\n';
		res += '<td>\n';
		res += printTable(i, yy);
		res += '</td>\n';
		if (i % 3 == 0) res += '</tr>\n';
	}
	res += '<table>\n';
	res += printFoot();
	return res;
}

function printSelectedYear() {
	getSelectedMonth();
	return printYear(currentYear);
}
//No changed
function printStyle() {
	var fontSize = PRINT_OPTS.fontSize;
	var res = "";
	res += '<style type="text/css">\n';
	res += '<!--\n';
	//res += '  body {margin:0}\n';
	res += '  .tennam {text-align:center; font-size:150%; line-height:120%; font-weight:bold; color:#000000; background-color: #CCCCCC}\n';
	res += '  .thang {font-size: '+fontSize+'; padding:1; line-height:100%; font-family:Tahoma,Verdana,Arial; table-layout:fixed}\n';
	res += '  .tenthang {text-align:center; font-size:125%; line-height:100%; font-weight:bold; color:#330033; background-color: #CCFFCC}\n';
	res += '  .navi-l {text-align:center; font-size:75%; line-height:100%; font-family:Verdana,Times New Roman,Arial; font-weight:bold; color:red; background-color: #CCFFCC}\n';
	res += '  .navi-r {text-align:center; font-size:75%; line-height:100%; font-family:Verdana,Arial,Times New Roman; font-weight:bold; color:#330033; background-color: #CCFFCC}\n';
	res += '  .ngaytuan {width:14%; text-align:center; font-size:125%; line-height:100%; color:#330033; background-color: #FFFFCC}\n';
	res += '  .ngaythang {background-color:#FDFDF0}\n';
	res += '  .homnay {background-color:#FFF000}\n';
	res += '  .tet {background-color:#FFCC99}\n';
	res += '  .am {text-align:right;font-size:75%;line-height:100%;color:blue}\n';
	res += '  .am2 {text-align:right;font-size:75%;line-height:100%;color:#004080}\n';
	res += '  .t2t6 {text-align:left;font-size:125%;color:black}\n';
	res += '  .t7 {text-align:left;font-size:125%;line-height:100%;color:green}\n';
	res += '  .cn {text-align:left;font-size:125%;line-height:100%;color:red}\n';
	res += '-->\n';
	res += '</style>\n';
	return res;
}

function printTable(mm, yy) {
	var i, j, k, solar, lunar, cellClass, solarClass, lunarClass;
	var currentMonth = getMonth(mm, yy);
	if (currentMonth.length == 0) return;
	var ld1 = currentMonth[0];
	var emptyCells = (ld1.jd + 1) % 7;
	var MonthHead = mm + "/" + yy;
	var LunarHead = getYearCanChi(ld1.year);
	var ndate=new Date();
	var res = "";
	res += ('<table class="thang" border="1" cellpadding="1" cellspacing="1" width="'+PRINT_OPTS.tableWidth+'">\n');
	res += ('<tr ><td bgcolor="black" colspan=7 align="center">');
//	res += ('<img src="../JavaScript/moons/moon');
	res += ('<img src="'+getImage(ndate.getDate(),ndate.getMonth()+1,ndate.getFullYear())+'" width=80 height=60>');
//	res +=currentLunarDate.day;
//	res +=('.gif">');
	res += ('</td></tr>');
	res += printHead(mm, yy);
	for (i = 0; i < 6; i++) {
		res += ("<tr>\n");
		for (j = 0; j < 7; j++) {
			k = 7 * i + j;
			if (k < emptyCells || k >= emptyCells + currentMonth.length) {
				res += printEmptyCell();
			} else {
				solar = k - emptyCells + 1;
				ld1 = currentMonth[k - emptyCells];
				res += printCell(ld1, solar, mm, yy);
			}
		}
		res += ("</tr>\n");
	}
	res += ('</table>\n');
	return res;
}

function getPrevMonthLink(mm, yy) {
	var mm1 = mm > 1 ? mm-1 : 12;
	var yy1 = mm > 1 ? yy : yy-1;
	//return '<a href="'+window.location.pathname+'?yy='+yy1+'&mm='+mm1+'"><img src="left1.gif" width=8 height=12 alt="PrevMonth" border=0></a>';
	return '<a title="th\u00e1ng tr\u01b0\u1edbc" href="'+window.location.pathname+'?yy='+yy1+'&mm='+mm1+'">&lt;</a>';
}

function getNextMonthLink(mm, yy) {
	var mm1 = mm < 12 ? mm+1 : 1;
	var yy1 = mm < 12 ? yy : yy+1;
	//return '<a href="'+window.location.pathname+'?yy='+yy1+'&mm='+mm1+'"><img src="right1.gif" width=8 height=12 alt="NextMonth" border=0></a>';
	return '<a title="th\u00e1ng sau" href="'+window.location.pathname+'?yy='+yy1+'&mm='+mm1+'">&gt;</a>';
}

function getPrevYearLink(mm, yy) {
	//return '<a href="'+window.location.pathname+'?yy='+(yy-1)+'&mm='+mm+'"><img src="left2.gif" width=16 height=12 alt="PrevYear" border=0></a>';
	return '<a title="n\u0103m tr\u01b0\u1edbc" href="'+window.location.pathname+'?yy='+(yy-1)+'&mm='+mm+'">&lt;&lt;</a>';
}

function getNextYearLink(mm, yy) {
	//return '<a href="'+window.location.pathname+'?yy='+(yy+1)+'&mm='+mm+'"><img src="right2.gif" width=16 height=12 alt="NextYear" border=0></a>';
	return '<a title="n\u0103m sau" href="'+window.location.pathname+'?yy='+(yy+1)+'&mm='+mm+'">&gt;&gt;</a>';
}

function printHead(mm, yy) {
	var res = "";
	var monthName = mm+"/"+yy;
	//res += ('<tr><td colspan="7" class="tenthang" onClick="showMonthSelect();">'+monthName+'</td></tr>\n');
	res += ('<tr><td colspan="2" class="navi-l">'+getPrevYearLink(mm, yy)+' &nbsp;'+getPrevMonthLink(mm, yy)+'</td>\n');
	//res += ('<td colspan="1" class="navig"><a href="'+getPrevMonthLink(mm, yy)+'"><img src="left1.gif" alt="Prev"></a></td>\n');
	res += ('<td colspan="3" class="tenthang" onClick="showMonthSelect();">'+monthName+'</td>\n');
	//res += ('<td colspan="1" class="navi-r"><a href="'+getNextMonthLink(mm, yy)+'"><img src="right1.gif" alt="Next"></a></td>\n');
	res += ('<td colspan="2" class="navi-r">'+getNextMonthLink(mm, yy)+' &nbsp;'+getNextYearLink(mm, yy)+'</td></tr>\n');
	//res += ('<tr><td colspan="7" class="tenthang"><a href="'+getNextMonthLink(mm, yy)+'"><img src="right.gif" alt="Next"></a></td></tr>\n');
	res += ('<tr onClick="alertAbout();">\n');
	for(var i=0;i<=6;i++) {
		res += ('<td class=ngaytuan>'+DAYNAMES[i]+'</td>\n');
	}
	res += ('<\/tr>\n');
	return res;
}

function printEmptyCell() {
		return '<td class=ngaythang><div class=cn>&nbsp;</div> <div class=am>&nbsp;</div></td>\n';
}

function printCell(lunarDate, solarDate, solarMonth, solarYear) {
	var cellClass, solarClass, lunarClass, solarColor;
	cellClass = "ngaythang";
	solarClass = "t2t6";
	lunarClass = "am";
	solarColor = "black";
	var dow = (lunarDate.jd + 1) % 7;
	if (dow == 0) {
		solarClass = "cn";
		solarColor = "red";
	} else if (dow == 6) {
		solarClass = "t7";
		solarColor = "green";
	}
	if (solarDate == today.getDate() && solarMonth == today.getMonth()+1 && solarYear == today.getFullYear()) {
		cellClass = "homnay";
	}
	if (lunarDate.day == 1 && lunarDate.month == 1) {
		cellClass = "tet";
	}
	if (lunarDate.leap == 1) {
		lunarClass = "am2";
	}
	var lunar = lunarDate.day;
	if (solarDate == 1 || lunar == 1) {
		lunar = lunarDate.day + "/" + lunarDate.month;
	}
	var res = "";
	var args = lunarDate.day + "," + lunarDate.month + "," + lunarDate.year + "," + lunarDate.leap;
	args += ("," + lunarDate.jd + "," + solarDate + "," + solarMonth + "," + solarYear);
	res += ('<td class="'+cellClass+'"');
	if (lunarDate != null) res += (' title="'+getDayName(lunarDate)+'" onClick="alertDayInfo('+args+');"');
	res += (' <div style=color:'+solarColor+' class="'+solarClass+'">'+solarDate+'</div> <div class="'+lunarClass+'">'+lunar+'</div></td>\n');
	return res;
}

function printFoot() {
	var res = "";
	res += '<script language="JavaScript" src="js/amlich-hnd.js"></script>\n';
	return res;
}

function showMonthSelect() {
	//var home = "../";
	//window.open(home, "win2702", "menubar=yes,scrollbars=yes,status=yes,toolbar=yes,resizable=yes,location=yes");
	//window.location = home;
	alertAbout();
}

function showYearSelect() {
	//window.open("selectyear.html", "win2702", "menubar=yes,scrollbars=yes");
	window.print();
}

function infoCellSelect(id) {
	if (id == 0) {
	}
}

function mypopup(url) {
	var width  = 320;
	var height = 528;
	var left   = (screen.width  - width)/2;
	var top    = (screen.height - height)/2;
	var params = 'width='+width+', height='+height;
	params += ', top='+top+', left='+left;
	params += ', directories=no';
	params += ', location=no';
	params += ', menubar=no';
	params += ', resizable=no';
	params += ', scrollbars=no';
	params += ', status=no';
	params += ', toolbar=no';
	newwin=window.open(url,'windowname5', params);
	if (window.focus) {newwin.focus()}
	return false;
}

function alertDayInfo(dd, mm, yy, leap, jds, sday, smonth, syear) {
	//-------------------------------------------------
	href='wp-content/plugins/vn-calendar/show.php?&sday='+sday+'&smonth='+smonth+'&syear='+syear+'&dd='+dd+'&mm='+mm+'&yy='+yy+'&jd='+jds+'&leap='+leap;
	//mywin=window.open(href,'AmLich','menubar=no,scrollbars=no,status=no,toolbar=no,resizable=no,width=320,height=475');
	//mywin.focus();
	//mywindow.moveTo(100,0);
	mypopup(href);
}

function alertAbout() {
	alert(ABOUT);
}

function showVietCal() {
	window.status = getCurrentTime() + " -+- " + getTodayString();
	window.window.setTimeout("showVietCal()",5000);
}

//---------------------------------
var jd=0;
//
// ---------------------------------------------------------------------
//
// ---------------------------------------------------------------------
//
function proper_ang(big) {
	with (Math){
		var tmp = 0;
		if (big > 0){
			tmp = big / 360.0;
			tmp = (tmp - floor(tmp)) * 360.0;
		}else{
			tmp = ceil(abs(big / 360.0));
			tmp = big + tmp * 360.0;
		}
	}
	return tmp;
}
// ---------------------------------------------------------------------
//
function jdns(dds,mms,yys) {
  var now_date = new Date();
  zone = now_date.getTimezoneOffset() / 1440;

  var dd =dds;
  var mm =mms; 
  var yy =yys;
with (Math) {
     var yyy=yy;
     var mmm = mm;
     if (mm < 3) {
       yyy = yyy - 1;
       mmm = mm + 12;
      }
    var day = dd + zone + 0.5;
    var a = floor(yyy/100);
    var b = 2 - a + floor(a/4);
    jd = floor(365.25*yyy) + floor(30.6001*(mmm+1)) + day + 1720994.5;
    if (jd > 2299160.4999999) jd = jd + b;
   }
}
//
// ---------------------------------------------------------------------
//
function moonElong() {
   with (Math) {
   var dr = PI / 180
   var rd = 1 / dr 
   var meeDT = pow((jd - 2382148), 2) / (41048480*86400)
   var meeT = (jd + meeDT - 2451545.0) / 36525
   var meeT2 = pow(meeT,2)
   var meeT3 = pow(meeT,3)
   var meeD = 297.85 + (445267.1115*meeT) - (0.0016300*meeT2) + (meeT3/545868)
       meeD = proper_ang(meeD) * dr
   var meeM1 = 134.96 + (477198.8676*meeT) + (0.0089970*meeT2) + (meeT3/69699)
       meeM1 = proper_ang(meeM1) * dr
   var meeM = 357.53 + (35999.0503*meeT)
       meeM = proper_ang(meeM) * dr
   var elong = meeD*rd + 6.29*sin(meeM1)
       elong = elong   - 2.10*sin(meeM)
       elong = elong   + 1.27*sin(2*meeD - meeM1)
       elong = elong   + 0.66*sin(2*meeD)
       elong = proper_ang(elong)
       elong = round(elong)
   var moonNum = ((elong + 6.43) / 360) * 28
       moonNum = floor(moonNum)
       if (moonNum == 28) moonNum = 0
       if (moonNum < 10) moonNum = "0" + moonNum
   var moonImage = "../vn-calendar/moons/moon"+ moonNum.toString()+".gif"
   }
   moonPhase = " Kh&ocirc;ng Tr&#259;ng";
       if ((moonNum>0&&moonNum<07)||(moonNum>21&&moonNum<28)){
           moonPhase = "Tr&#259;ng L&#432;&#7905;i Li&#7873;m"
          }
	   if ((moonNum>07&&moonNum<14)||(moonNum>14&&moonNum<21)){
           moonPhase = "Tr&#259;ng Khuy&#7871;t"
          }  
	   if (moonNum==07){
           moonPhase = "Tr&#259;ng Th&#432;&#7907;ng Huy&#7873;n"
          }
	   if (moonNum==21){
           moonPhase = "Tr&#259;ng H&#7841; Huy&#7873;n"
          }  
	   if (moonNum==14){
           moonPhase = "Tr&#259;ng Tr&ograve;n"
          }  
/*
     if ((moonNum>0) && (moonNum<3)) moonPhase = " Tr&#259;ng l&#432;&#7905;i li&#7873;m"
	 if ((moonNum>03) && (moonNum<11)) moonPhase = " Th&#432;&#7907;ng Huy&#7873;n"
     if ((moonNum>10) && (moonNum<18)) moonPhase = " Tr&#259;ng Tr&ograve;n"
     if ((moonNum>17) && (moonNum<25)) moonPhase = " H&#7841; Huy&#7873;n"
  
    if ((moonNum==01)||(moonNum==08)||(moonNum==15)||(moonNum==22)) {
           moonPhase = " 1 ng&agrave;y sau ng&agrave;y" + moonPhase
           }
     if ((moonNum==02)||(moonNum==09)||(moonNum==16)||(moonNum==23)) {
          moonPhase = " 2 ng&agrave;y sau ng&agrave;y" + moonPhase
           }
     if ((moonNum==03)||(moonNum==10)||(moonNum==17)||(moonNum==24)) {
           moonPhase = " 3 ng&agrave;y sau ng&agrave;y" + moonPhase
           }
    if ((moonNum==04)||(moonNum==11)||(moonNum==18)||(moonNum==25)) {
           moonPhase = " 3 ng&agrave;y tr&#432;&#7899;c ng&agrave;y" + moonPhase
           }
     if ((moonNum==05)||(moonNum==12)||(moonNum==19)||(moonNum==26)) {
           moonPhase = " 2 ng&agrave;y tr&#432;&#7899;c ng&agrave;y" + moonPhase
           }
     if ((moonNum==06)||(moonNum==13)||(moonNum==20)||(moonNum==27)) {
           moonPhase = " 1 ng&agrave;y tr&#432;&#7899;c ng&agrave;y" + moonPhase
          }
   
  document.moonfaseBox.moonphasetext.value = moonPhase   
  document.slideshow.src = moonImage
  */
	return moonImage;
}
var moonPhase=null;
function getImage(dd,mm,yy){
	jdns(dd,mm,yy)
	return moonElong();
}