var timerID = null;
var timerRunning = false;
var id,pause=0,position=0;

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

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)
        var timeValue = "" + hours
        var clockObj = document.getElementById("clock_id");
        
        timeValue += ((minutes < 10) ? ":0" : ":") + minutes
        timeValue += ((seconds < 10) ? ":0" : ":") + seconds
        //timeValue += (hours >= 12) ? " P.M." : " A.M."
        
        clockObj.innerText = timeValue;
        //document.clock.face.value = timeValue;
        
        timerID = setTimeout("showtime()",1000);
        timerRunning = true;
}
function startclock () {
        stopclock();
        showtime();
}