this is a demo:
http://www.85time.com/bbs/showthread.php?threadid=144


this is a code:
Code:
<HTML> 
<HEAD> 
<TITLE>Date</TITLE> 
<SCRIPT LANGUAGE="JavaScript"> 
<!-- 
function MakeArray(n) { 
this.length = n 
return this 
} 
monthNames = new MakeArray(12) 
monthNames[1] = "January" 
monthNames[2] = "February" 
monthNames[3] = "March" 
monthNames[4] = "April" 
monthNames[5] = "May" 
monthNames[6] = "June" 
monthNames[7] = "July" 
monthNames[8] = "August" 
monthNames[9] = "September" 
monthNames[10] = "October" 
monthNames[11] = "November" 
monthNames[12] = "December" 
dayNames = new MakeArray(7) 
dayNames[1] = "Sunday" 
dayNames[2] = "Monday" 
dayNames[3] = "Tuesday" 
dayNames[4] = "Wednesday" 
dayNames[5] = "Thursday" 
dayNames[6] = "Friday" 
dayNames[7] = "Saturday" 

function customDateString() { 
currentDate = new Date() 
var theDay = dayNames[currentDate.getDay() + 1] 
var theMonth = monthNames[currentDate.getMonth() + 1] 
msie4 = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )); 
if (msie4) { 
var theYear = currentDate.getYear() 
} 
else { 
var theYear = currentDate.getYear() +1900 
} 
return theDay + ", " + theMonth + " " + currentDate.getDate() + ", " + theYear 
} 
//--> 
</SCRIPT> 
</HEAD> 
<BODY bgcolor="#FFFFFF"> 
<center><h2> 
<SCRIPT LANGUAGE="JavaScript"> 
document.write(customDateString()) 
</SCRIPT> 
</center> 
</h2> 
</BODY> 
</HTML>