Stamp = new Date();
    var timerID = null
    var timerRunning = false

    function stopclock()
    {
        if(timerRunning)
            clearTimeout(timerID)
        timerRunning = false
    }

    function startclock()
    {
        stopclock()
        showtime()
    }

    function showtime()
    {
        var now = new Date()
        var hours = now.getHours()
        var minutes = now.getMinutes()
        var seconds = now.getSeconds()
        var timeValue = "" + ((hours > 12) ? hours - 12 : hours)
        timeValue  += ((minutes < 10) ? ":0" : ":") + minutes
        timeValue  += ((seconds < 10) ? ":0" : ":") + seconds
        timeValue  += (hours >= 12) ? "PM" : "AM"
        document.all.nsmClock.innerHTML = timeValue
        timerID = setTimeout("showtime()",1000)
        timerRunning = true
    }

var datetile='<span id=nsmClock align=center></span>';
document.write(datetile);
startclock();