/***************************************
 *            parasha.js               *
 ***************************************
 * Computation of Parasha of the Week  *
 ***************************************
 * Requires: jdates.js                 *
 ***************************************
 * History														 *
 *																		 *
 *  21/03/2005: v2.4									 *
 * Four Parshiot											 *
 *																		 *
 *  13/12/2004: v2.32									 *
 ***************************************
 * (c) Gabriel Zerbib,                 *
 *   gabriel@bumpt.net                 *
 *   http://www.bumpt.net              *
 *   http://www.calj.net               *
 *                                     *
 * It is strictly forbidden to use or  *
 * reproduce all or parts of this      *
 * program without the author's        *
 * explicit permission.                *
 * Commercial use of this program is   *
 * subject to purchase. Please contact *
 * the author.                         *
 ***************************************/

JDate.kevviot = [];

JDate.kevviot["353_1_0"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,[21,22],23,24,[],		25,[26,27],[28,29],30,[31,32],33,	34,35,36,37,38,39,	40,[41,42],43,44,45,46,47,48,49,[50,51],	52,[],[] ];
JDate.kevviot["353_6_0"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,[21,22],23,24,[],		25,[26,27],[28,29],30,[31,32],33,	34,35,36,37,38,39,	40,[41,42],43,44,45,46,47,48,49,50,51,		52,[] ];
JDate.kevviot["354_2_0"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,[21,22],23,24,[],		25,[26,27],[28,29],30,[31,32],33,[],	34,35,36,37,[38,39],	40,[41,42],43,44,45,46,47,48,49,[50,51],[],	52,[],[] ];
JDate.kevviot["354_4_0"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,[21,22],23,24,[],[],	25,[26,27],[28,29],30,[31,32],33,	34,35,36,37,38,39,	40,[41,42],43,44,45,46,47,48,49,50,51,		52,[] ];
JDate.kevviot["355_1_0"] = JDate.kevviot["354_2_0"];
JDate.kevviot["355_4_0"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,[],		25,[26,27],[28,29],30,[31,32],33,	34,35,36,37,38,39,	40,[41,42],43,44,45,46,47,48,49,50,51,		52,[] ];
JDate.kevviot["355_6_0"] = JDate.kevviot["353_1_0"];
JDate.kevviot["383_1_0"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,		25,26,27,[],28,29,30,31,32,33,[],	34,35,36,37,[38,39],	40,[41,42],43,44,45,46,47,48,49,[50,51],[],	52,[],[] ];
JDate.kevviot["383_4_0"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,		25,26,27,28,[],29,30,31,32,33,		34,35,36,37,38,39,	40,41,42,43,44,45,46,47,48,49,50,51,		52,[] ];
JDate.kevviot["383_6_0"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,		25,26,27,[],28,29,30,31,32,33,		34,35,36,37,38,39,	40,[41,42],43,44,45,46,47,48,49,[50,51],	52,[],[] ];
JDate.kevviot["384_2_0"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,		25,26,27,[],[],28,29,30,31,32,33,	34,35,36,37,38,39,	40,[41,42],43,44,45,46,47,48,49,50,51,		52,[] ];
JDate.kevviot["385_1_0"] = JDate.kevviot["384_2_0"];
JDate.kevviot["385_4_0"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,		25,26,27,28,[],29,30,31,32,33,		34,35,36,37,38,39,	40,41,42,43,44,45,46,47,48,49,[50,51],		52,[],[] ];
JDate.kevviot["385_6_0"] = JDate.kevviot["383_1_0"];

JDate.kevviot["353_1_1"] = JDate.kevviot["353_1_0"];
JDate.kevviot["353_6_1"] = JDate.kevviot["353_6_0"];
JDate.kevviot["354_2_1"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,[21,22],23,24,[],		25,[26,27],[28,29],30,[31,32],33,	34,35,36,37,38,39,	40,[41,42],43,44,45,46,47,48,49,[50,51],[],	52,[],[] ];
JDate.kevviot["354_4_1"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,[21,22],23,24,[],		25,[26,27],[28,29],30,31,32,33,		34,35,36,37,38,39,	40,[41,42],43,44,45,46,47,48,49,50,51,		52,[] ];
JDate.kevviot["355_1_1"] = JDate.kevviot["354_2_1"];
JDate.kevviot["355_4_1"] = JDate.kevviot["355_4_0"];
JDate.kevviot["355_6_1"] = JDate.kevviot["355_6_0"];
JDate.kevviot["383_1_1"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,		25,26,27,[],28,29,30,31,32,33,		34,35,36,37,38,39,	40,[41,42],43,44,45,46,47,48,49,[50,51],[],	52,[],[] ];
JDate.kevviot["383_4_1"] = JDate.kevviot["383_4_0"];
JDate.kevviot["383_6_1"] = JDate.kevviot["383_6_0"];
JDate.kevviot["384_2_1"] = [ 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,		25,26,27,[],28,29,30,31,32,33,		34,35,36,37,38,39,	40,41,42,43,44,45,46,47,48,49,50,51,		52,[] ];
JDate.kevviot["385_1_1"] = JDate.kevviot["384_2_1"];
JDate.kevviot["385_4_1"] = JDate.kevviot["385_4_0"];
JDate.kevviot["385_6_1"] = JDate.kevviot["383_1_1"];

JDate.prototype.getParasha = function(bIsrael)
{
	if( (bIsrael != false ) && (bIsrael != true) )
		bIsrael = false;

	if(this.getDayOfWeek() != HDate.SHABBAT)
		return [];

	var h = new HDate(this);

	var HY = h.getYear();
	var hST = new HDate(23, HDate.TISHRI, HY);
	if(h.lt(hST))
	{
		HY --;
		hST.setYear(HY);
	}

	var hRH = new HDate(1, HDate.TISHRI, HY);
	var hBereshit = new HDate(hST);
	if(hST.getDayOfWeek() == HDate.SHABBAT)
		hBereshit.add(7);
	else
		hBereshit.add(6 - hST.getDayOfWeek());

	var n = parseInt( h.minus(hBereshit) / 7 );

	// n : parasha nominale de h.

	var yl = hRH.getYearLength();
	var dow= hRH.getDayOfWeek();
	var s = yl + "_" + dow + "_" + (bIsrael ? 1 : 0);
	var K = JDate.kevviot[s];
	var arrParshiot = K[n];
	if(arrParshiot != null)
		if(arrParshiot.length) return arrParshiot;
		else return [arrParshiot];
	return arrParshiot;
}

JDate.prototype.getParashaName = function(bIsrael, bHebrew)
{
	if( (bIsrael != false) && (bIsrael != true) )
		bIsrael = false;
	if( (bHebrew != false) && (bHebrew != true) )
		bHebrew = false;

	if(bHebrew)
		refLookupParshiot = JDate.parshiotHeb;
	else
		refLookupParshiot = JDate.parshiot;

	if(typeof(JDate.parshiot) == 'undefined')
		return 'Parasha not localized.';
	else
	{
		var arrParshiot = this.getParasha(bIsrael);
		if( (arrParshiot == null) || (arrParshiot.length == 0) )
			return "";
		if(arrParshiot.length == 1)
		{
			if(typeof(refLookupParshiot[arrParshiot[0]]) == 'undefined')
			{
				jEvent = new JEvent(HOLIDAYS.currentHoliday(this).type);
				return (jEvent ? jEvent.name : '');
			}
			else
				return refLookupParshiot[arrParshiot[0]];
		}
		else if(refLookupParshiot[arrParshiot[0]])
			return refLookupParshiot[arrParshiot[0]] + " - " + refLookupParshiot[arrParshiot[1]];
	}
}

JDate.prototype.getSpecialParashaName = function(bIsrael, bHebrew)
{
	if( (bIsrael != false) && (bIsrael != true) )
		bIsrael = false;
	if( (bHebrew != false) && (bHebrew != true) )
		bHebrew = false;


	purim = HOLIDAYS.Purim( (new HDate(this)).getYear() );

	var hShabbatZachor = (new HDate(purim.hEndDate)).sub(purim.hEndDate.getDayOfWeek() + 1);
	if(this.lte(hShabbatZachor) && this.gt(hShabbatZachor.sub(7)))
		return (bHebrew ? "זכור" : "ZAKHOR");

	var hShabbatSheqalim = new HDate(1, HDate.ADAR2, this.getYear());
	if(hShabbatSheqalim.getDayOfWeek() != HDate.SHABBAT)
		hShabbatSheqalim.sub(hShabbatSheqalim.getDayOfWeek() + 1);
	if(this.lte(hShabbatSheqalim) && this.gt(hShabbatSheqalim.sub(7)))
		return (bHebrew ? "שקלים" : "SHEQALIM");


	var hShabbatHaChodesh = new HDate(1, HDate.NISSAN, (new HDate(this)).getYear() );
	if(hShabbatHaChodesh.getDayOfWeek() != HDate.SHABBAT)
		hShabbatHaChodesh.sub(hShabbatHaChodesh.getDayOfWeek() + 1);
	var hShabbatParah = (new HDate(hShabbatHaChodesh)).sub(7);
	if(this.lte(hShabbatHaChodesh) && this.gt(hShabbatParah))
		return (bHebrew ? "החודש" : "HA'HODESH");


	if(this.lte(hShabbatParah) && this.gt(hShabbatParah.sub(7)))
		return (bHebrew ? "פרה" : "PARAH");

	
	return "";
}

JDate.parshiotHeb = [
	"בראשית",		//BERESHIT
	"נח",		//NOACH
	"לך לך",		//LECH L'CHA
	"וירא",		//VAYERA
	"חיי שרה",		//CHAYEI SARAH
	"תולדות",		//TOL'DOT
	"ויצא",		//VAYETSE
	"וישלח",		//VAYISHLACH
	"יושב",		//VAYESHEV
	"מקץ",		//MIKETZ
	"ויגש",		//VAYIGASH
	"ויחי",		//VAY'CHI
	"שמות",		//SHEMOT
	"וארא",		//VA'ERA
	"בא",		//BO
	"בשלח",		//BESHALA'H
	"יתרו",		//YITRO
	"משפטים",		//MISHPATIM
	"תרומה",		//TEROUMA
	"תצווה",		//TETSAVEH
	"כי תשא",		//KI TISSA
	"ויקהל", //VAYAQ'HEL
	"פקודי", //PEKUDEI
	"ויקרא",				//VAYIKRA
	"צו",											//TSAV
	"שמיני",	//SHEMINI
	"תזריע",	//TAZRIA
	"מצרע",				//METSORA
	"אחרי מות",		//AHHAREI MOT
	"קדושים",		//QEDOSHIM
	"אמור",		//EMOR
	"בהר סיני",		//BEHAR
	"בחקתי",		//BEHHOUKOTAI
	"במדבר",		//BAMIDBAR
	"נשא",		//NASSO
	"בהעלתך",		//BEHA'ALOTKHA
	"שלח לך",		//SHELAHH LEKHA
	"קרח",		//KORAHH
	"חקת",		//HHOUKAT
	"בלק",		//BALAK
	"פנחס",		//PINHHAS
	"מטות",		//MATOT
	"מסעי",		//MASS'EI
	"דברים",		//DEVARIM
	"ואתחנן",		//VAET'HHANAN
	"עקב",		//EKEV
	"ראה",		//RE'EH
	"שופטים",		//SHOF'TIM
	"כי תצא",		//KI TETSE
	"כי תבוא",		//KI TAVO
	"נצבים",		//NITSAVIM
	"וילך",		//VAYELECH
	"האזינו",		//HA'AZINU
	"וזאת הברכה",		//VEZOT HABERAKHA
];