function div( a, b )
 {
 	return Math.floor(a/b) ;
 }

function Gimatria(n,w)
{
	var p = '' ;
	var quf = 'קרש' ;
	var yud = 'יכלמנסעפצ' ;
	var alef = 'אבגדהוזחט' ;

	if ( n > 1000 )
	{
		p += Gimatria( div(n,1000)) ;
		n %= 1000 ;
	}

	while (n >= 400)
	{
		p += 'ת' ;
		n -= 400 ;
	}

	if (n >= 100)
	{
		p += quf.charAt( div(n,100) - 1 ) ;
		n %= 100 ;
	}

	if ( n >= 10 )
	{
		switch( n )
		{
			case 15:
				p += 'טו' ; n = 0 ;
				break ;
			case 16:
				p += 'טז' ; n = 0 ;
				break ;
			default:
				p += yud.charAt ( div(n,10) - 1 ) ;
				break ;
		}
		n %= 10 ;
	}

	if (n > 0)  p += alef.charAt(n-1) ;
		if ( p.length == 1 ){
		if (w>0){p += "'" ;}}
	else
		p = p.slice( 0, p.length - 1) + '"' + p.charAt( p.length-1 ) ;

	return p ;
}

 var HOUR = 1080 ;
 var DAY  = (24*HOUR) ;
 var WEEK = (7*DAY) ;
 function M(h,p) {return ((h)*HOUR+p) ; }
 var MONTH = (DAY+M(12,793)) ;

 function dysiz( y )
 {
	var m, nm, dw, s, l ;

	l = y*7+1;	/* no. of leap months */
	m = y*12+ div(l,19);	/* total no. of months */
	l %= 19 ;
	nm = m*MONTH+M(1+6,779); /* molad new year 3744 (16BC) + 6 hours */
	s = m*28+div(nm,DAY)-2;

	nm %= WEEK;
	dw = div(nm,DAY);
	nm %= DAY;

	/* special cases of Molad Zaken */
	if(l < 12 && dw==3 && nm>=M(9+6,204) ||
	 l < 7 && dw==2 && nm>=M(15+6,589))
		s++,dw++;
	/* ADU */
	if(dw == 1 || dw == 4 || dw == 6)
		s++;
	return s;
 }

function hdate ( d, m, y )
 {
	var h = new HebrewDate ;
	var s;

	if((m -= 2) <= 0)
	{
		m += 12;
		y--;
	}
	/* no. of days, Julian calendar */
	d += (365*y) + div(y,4) + div(367*m,12) + 5968 ;
	/* Gregorian calendar */
	d -= div(y,100)-div(y,400)-2;
	h.hd_dw = (d+1)%7;

	/* compute the year */
	y += 16;
	s = dysiz(y);
	m = dysiz(y+1);
	while(d >= m) /* computed year was underestimated */
	{
		s = m;
		y++;
		m = dysiz(y+1);
	}
	d -= s;
	s = m-s;	/* size of current year */
	y += 3744;

	h.hd_flg = s%10-4;

	/* compute day and month */
	if(d >= s-236) {	/* last 8 months are regular */
		d -= s-236;
		m = div(d*2,59) ;
		d -= div((m*59+1),2);
		m += 4;
		if(s>365 && m<=5)	/* Adar of Meuberet */
			m += 8;
	} else {
		/* first 4 months have 117-119 days */
		s = 114+s%10;
		m = div(d*4,s);
		d -= div((m*s+3),4) ;
	}

	h.hd_day = d;
	h.hd_mon = m;
	h.hd_year = y;
	h.hd_leap = ( s > 365 ) ;
	return h ;
 }


function HDToString()
{
	var monthes = new Array( 'תשרי','חשון','כסלו','טבת','שבט','אדר','ניסן','אייר','סיון','תמוז','אב','אלול','אדר א\'' , 'אדר ב\'') ;
	var s = this.format ;
	s = s.replace ( 'DD', Gimatria(this.hd_day+1,1) ) ;
	s = s.replace ( 'MM', monthes[this.hd_mon] ) ;
	s = s.replace ( 'YYYY', Gimatria(this.hd_year,0) ) ;
	return s ;
}

function HDGtoH(d)
{
	var h = hdate( d.getDate(), d.getMonth()+1, d.getFullYear() ) ;
	this.hd_day = h.hd_day ;
	this.hd_mon = h.hd_mon ;
	this.hd_year = h.hd_year ;
	this.hd_leap = h.hd_leap ;
	this.hd_dw = h.hd_dw ;
	this.hd_flg = h.hd_flg ;
	this.gregorian = d ;
}

function HDSetDate(n)
{
	this.gregorian.setDate( n + (this.gregorian.getDate() - this.hd_day ) ) ;
	this.convertGregorian( this.gregorian ) ;
}

// HebrewDate constructor
function HebrewDate()
{
	this.hd_day = 0 ;
	this.hd_mon = 0 ;
	this.hd_year = 0 ;
	this.hd_leap = 0 ;
	this.hd_dw = 0 ;
	this.hd_flg = 0 ;
	this.format = 'DD MM YYYY' ;
	this.toString = HDToString ;
	this.convertGregorian = HDGtoH ;
	this.gregorian = new Date() ;
	this.setDate = HDSetDate ;
}
function renow(){
var nowdatelongname=new Date();
return hdate(nowdatelongname.getDate(),nowdatelongname.getMonth()+1,nowdatelongname.getFullYear());
}