dayarray=new Array("Sun","Mon","Tue","Wed","Thu","Fri","Sat");
montharray=new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec");
var dte = new Date();
var day = dte.getDay();
var dayname = dayarray[day];
var date = dte.getDate();
var month = dte.getMonth();
var monthname = montharray[month];
var year = dte.getFullYear();
var spc = " ";
var col = ":";
var spacer = ":::";

var dte = new Date();
var hrs = dte.getHours();
var min = dte.getMinutes();
var sec = dte.getSeconds();
if (hrs<=9) hrs="0"+hrs;
if (min<=9) min="0"+min;
if (sec<=9) sec="0"+sec;

document.write('<span id="calender">' + dayname+spc+date+spc+monthname+spc+year+spc+spacer+spc + '</span>');
document.write('<span id="clock">' + hrs+col+min+col+sec + '</span>');

setInterval("upclock()",1000);

function upclock()
{
var dte = new Date();
var hrs = dte.getHours();
var min = dte.getMinutes();
var sec = dte.getSeconds();
if (hrs<=9) hrs="0"+hrs;
if (min<=9) min="0"+min;
if (sec<=9) sec="0"+sec;
var col = ":";
document.getElementById('clock').innerHTML = hrs+col+min+col+sec;
}