function showdate() {    
week= new Array("يكشنبه","دوشنبه","سه شنبه","چهارشنبه","پنج‌شنبه","جمعه","شنبه")    
months = new Array("فروردين","ارديبهشت","خرداد","تير","مرداد","شهريور","مهر","آبان","آذر","دي","بهمن","اسفند");    
a = new Date();    d= a.getDay();    day= a.getDate()+0;    month = a.getMonth()+1;    year= a.getYear();	year = (year== 0)?2000:year;	
(year<1000)? (year += 2000):true;    	year -= ( (month < 3) || ((month == 3) && (day < 21)) )? 622:621;	year = year % 100;	switch (month) 
{    	case 1: (day<21)? (month=10, day+=10):(month=11, day-=20); break;    	case 2: (day<20)? (month=11, day+=11):(month=12, day-=19); break;    	
case 3: (day<21)? (month=12, day+=9):(month=1, day-=20);   break;    	case 4: (day<21)? (month=1, day+=11):(month=2, day-=20);   
break;    	case 5:    	case 6: (day<22)? (month-=3, day+=10):(month-=2, day-=21); break;    	case 7:    	case 8:    	
case 9: (day<23)? (month-=3, day+=9):(month-=2, day-=22);  break;    	case 10:(day<23)? (month=7, day+=8):(month=8, day-=22);    break;    	
case 11:    	case 12:(day<22)? (month-=3, day+=9):(month-=2, day-=21);  break;       default:  	break;	}document.write(''+week[d]+' '+day+' '+months[month-1]+' '+ year);}