function div(a,b) {
    return Math.floor((a / b));
}
function gregorian_to_jalali (g_y, g_m, g_d) 
{
    g_days_in_month = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31); 
    j_days_in_month = new Array(31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29);     

   gy = g_y-1600; 
   gm = g_m-1; 
   gd = g_d-1; 

   g_day_no = 365*gy+div(gy+3,4)-div(gy+99,100)+div(gy+399,400); 

   for (i=0; i < gm; ++i) 
      g_day_no += g_days_in_month[i]; 
   if (gm>1 && ((gy%4==0 && gy%100!=0) || (gy%400==0))) 
      /* leap and after Feb */ 
      g_day_no++; 
   g_day_no += gd; 

   j_day_no = g_day_no-79; 

   j_np = div(j_day_no, 12053); /* 12053 = 365*33 + 32/4 */ 
   j_day_no = j_day_no % 12053; 

   jy = 979+33*j_np+4*div(j_day_no,1461); /* 1461 = 365*4 + 4/4 */ 

   j_day_no %= 1461; 

   if (j_day_no >= 366) { 
      jy += div(j_day_no-1, 365); 
      j_day_no = (j_day_no-1)%365; 
   } 

   for (i = 0; i < 11 && j_day_no >= j_days_in_month[i]; ++i) 
      j_day_no -= j_days_in_month[i]; 
   jm = i+1; 
   jd = j_day_no+1; 

   return new Array(jy, jm, jd); 
} 
function showdate() {
	week= new Array("&#1610;&#1608;&#1607; &#1606;&#1741;","&#1583;&#1608;&#1607; &#1606;&#1741;","&#1583;&#1585;&#1744; &#1606;&#1741;",
					"&#1605;&#1606;&#1665;&#1606;&#1741;","&#1662;&#1610;&#1606;&#1665;&#1607; &#1606;&#1741;","&#1580;&#1605;&#1593;&#1607;","&#1575;&#1608;&#1606;&#1741; (( &#1606;&#1741;))"
					);
	months = new Array("&#1608;&#1585;&#1610;","&#1594;&#1608;&#1610;&#1610;",
			  "&#1594;&#1576;&#1585;&#1707;&#1608;&#1604;&#1610;","&#1670;&#1606;&#1707;&#1575;&#1690;",
			  "&#1586;&#1605;&#1585;&#1610;","&#1608;&#1686;&#1610;","&#1578;&#1604;&#1744;","&#1604;&#1683;&#1605;",
			  "&#1604;&#1610;&#1606;&#1583;&#1741;","&#1605;&#1585;&#1594;&#1608;&#1605;&#1744;","&#1587;&#1604;&#1608;&#1575;&#1594;&#1744;",
			  "&#1705;&#1576;");
	a = new Date();
	d = a.getDay();
	day= a.getDate();
	month = a.getMonth()+1;
	year= a.getFullYear();
	


	afghan = gregorian_to_jalali(year,month,day);
	year = afghan[0];
	month= afghan[1];
	day = afghan[2];
	
	af_digits = new Array("&#1632;","&#1633;","&#1634;","&#1635;","&#1636;","&#1637;","&#1638;","&#1639;","&#1640;","&#1641;");
	year	  = year+"";
	af_first = parseInt(year.substring(0,1));
	af_second= parseInt(year.substring(1,2));
	af_third = parseInt(year.substring(2,3));
	af_fourth= parseInt(year.substring(3,4));
	
	day	 = day+"";
	
	if(day.length>1)
		day = af_digits[parseInt(day.substring(0,1))]+af_digits[parseInt(day.substring(1,2))];
	else
		day = af_digits[parseInt(day)];
	afyear = af_digits[af_first]+af_digits[af_second]+af_digits[af_third]+af_digits[af_fourth];
	document.write(week[d]+" &#1583; "+afyear+" &#1604;&#1605;&#1585;&#1610;&#1586; &#1705;&#1575;&#1604; &#1583; "+months[month-1]+" "+day);
}