function dClock()
{
var thetime=new Date();

var nhours=thetime.getHours();
var nmins=thetime.getMinutes();
var nsecn=thetime.getSeconds();
var nday=thetime.getDay();

if (nhours>=13)
    nhours-=12;

if (nhours==0)
   nhours=12;

if (nsecn<10)
 nsecn="0"+nsecn;

if (nmins<10)
 nmins="0"+nmins;

if (nday==0)
  nday="Sun";
if (nday==1)
  nday="Mon";
if (nday==2)
  nday="Tue";
if (nday==3)
  nday="Wed";
if (nday==4)
  nday="Thu";
if (nday==5)
  nday="Fri";
if (nday==6)
  nday="Sat";

document.getElementById("clock").innerHTML=nhours+":"+nmins;

setTimeout('dClock()',1000);

}