var timerID = null;
var timerRunning = false;
function startclock () {
        if(timerRunning)
        clearTimeout(timerID);
        timerRunning = false;
        showtime();
}
function showtime () {
        var localnow = new Date();
        var lTime = localnow.getTime()+ (localnow.getTimezoneOffset()-60)*60;
        var now = new Date(lTime);
        var hours = now.getHours();
        var minutes = now.getMinutes();
        var seconds = now.getSeconds()
        var days = now.getDate();
        var timeValue = hours 
        var timeDate = now.getDate() + "-" + (now.getMonth()+1) + "-" + now.getYear()
        timeValue += ((minutes < 10) ? ":0" : ":") + minutes
        timeValue += ((seconds < 10) ? ":0" : ":") + seconds
        document.clock.face.value = timeValue;
        document.clock.date.value = timeDate;
        timerID = setTimeout("showtime()",1000);
        timerRunning = true;
}