var timerID1 = null;
var timerRunning1 = false;
function stopclock2 (){
if(timerRunning1)
clearTimeout(timerID1);
timerRunning1 = false;
}
function showtime1 () {
var now = new Date();
var hours = now.getHours();
var minutes = now.getMinutes();
var seconds = now.getSeconds()
var timeValue = "" + ((hours >12) ? hours -12 :hours)
if (timeValue == "0") timeValue = 12;
timeValue += ((minutes < 10) ? ":0" : ":") + minutes
timeValue += ((seconds < 10) ? ":0" : ":") + seconds
timeValue += (hours >= 12) ? " p.m." : " a.m."
document.clock.face.value = timeValue;
timerID1 = setTimeout("showtime1()",1000);
timerRunning1 = true;
}
function startclock2() {
stopclock2();
showtime1();
}

window.onload = startclock2;