var fixd;

	function isGregLeapYear(year)
	{
		return year%4 == 0 && year%100 != 0 || year%400 == 0;
	}

	function gregToFixed(year, month, day)
	{
		var a = Math.floor((year - 1) / 4);
		var b = Math.floor((year - 1) / 100);
		var c = Math.floor((year - 1) / 400);
		var d = Math.floor((367 * month - 362) / 12);

		if (month <= 2)
			e = 0;
		else if (month > 2 && isGregLeapYear(year))
			e = -1;
		else
			e = -2;

		return 1 - 1 + 365 * (year - 1) + a - b + c + d + e + day;
	}

	function Hijri(year, month, day)
	{
		this.year = year;
		this.month = month;
		this.day = day;
		this.toFixed = hijriToFixed;
		this.toString = hijriToString;
		this.toStringEN = hijriToStringEN;
	}

	function hijriToFixed()
	{
		return this.day + Math.ceil(29.5 * (this.month - 1)) + (this.year - 1) * 354 +
 			Math.floor((3 + 11 * this.year) / 30) + 227015 - 1;
	}

	function hijriToString()
	{
		var months = new Array('&#1575;&#1604;&#1605;&#1581;&#1585;&#1605;',
   '&#1589;&#1601;&#1585;',
   '&#1585;&#1576;&#1610;&#1593; &#1575;&#1604;&#1571;&#1608;&#1604;',
   '&#1585;&#1576;&#1610;&#1593; &#1575;&#1604;&#1579;&#1575;&#1606;&#1610;',
   '&#1580;&#1605;&#1575;&#1583;&#1609; &#1575;&#1604;&#1571;&#1608;&#1604;',
   '&#1580;&#1605;&#1575;&#1583;&#1609; &#1575;&#1604;&#1579;&#1575;&#1606;&#1610;',
   '&#1585;&#1580;&#1576;',
   '&#1588;&#1593;&#1576;&#1575;&#1606;',
   '&#1585;&#1605;&#1590;&#1575;&#1606;',
   '&#1588;&#1608;&#1575;&#1604;',
   '&#1584;&#1608; &#1575;&#1604;&#1602;&#1593;&#1583;&#1577;',
   '&#1584;&#1608; &#1575;&#1604;&#1581;&#1580;&#1577;');
		
		//("Muharam","Safar","Rabi\'ul Awal","Rabiul Akhir","Jamadil Awal","Jamadil Akhir","Rajab","Sha\'ban","Ramadhan","Shawwal","Dzulka\'edah","Dzulhijjah");
  	return this.day + " " + months[this.month - 1]+ " " + this.year;
	}
	
	function hijriToStringEN()
	{
		var months = new Array("Muharam","Safar","Rabi\'ul Awal","Rabiul Akhir","Jamadil Awal","Jamadil Akhir","Rajab","Sha\'ban","Ramadhan","Shawwal","Dzulka\'edah","Dzulhijjah");
  	return this.day + " " + months[this.month - 1]+ " " + this.year;
	}

	function fixedToHijri(f)
	{
  	var i=new Hijri(1100, 1, 1);
   	i.year = Math.floor((30 * (f - 227015) + 10646) / 10631);
   	var i2=new Hijri(i.year, 1, 1);
   	var m = Math.ceil((f - 29 - i2.toFixed()) / 29.5) + 1;
   	i.month = Math.min(m, 12);
   	i2.year = i.year;
	 	i2.month = i.month;
	 	i2.day = 1;
   	i.day = f - i2.toFixed() + 1;
   	return i;
	}

	var tod=new Date();
	var weekday=new Array("الأحد","الإثنين","الثلاثاء","الأربعاء","الخميس","الجمعة","السبت");
	var weekday_en=new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
	var monthname=new Array("يناير","فبراير","مارس","ابريل","مايو","يونيه","يوليو","أغسطس","سبتمبر","أكتوبر","نوفمبر","ديسمبر");

	
	var monthname_en=new Array(
	"January","February","March","April","May","June","July","August","September","October","November","December"
	);

	var y = tod.getFullYear();
	var m = tod.getMonth();
	var d = tod.getDate();
	var dow = tod.getDay();
	m++;
	fixd=gregToFixed(y, m, d);
	var h=new Hijri(1421, 11, 28);
	h = fixedToHijri(fixd);
	
	function writeDayAR()
	{
		document.write(weekday[dow] + " ");
	}
	
	function writeDayEN()
	{
		document.write(weekday_en[dow] + " ");
	}
	
	function writeGregAR()
	{
		document.write(d + " " + monthname[m-1] + " " + y);
	}
	
	function writeGregEN()
	{
		document.write(d + " " + monthname_en[m-1] + " " + y );
	}
	
	function writeHijriAR()
	{
		document.write(h.toString() );
	}
	
	function writeHijriEN()
	{
		document.write(h.toStringEN() );
	}
	
	function writeSeparator()
	{
		document.write( "-" );
	}