function updateTime()
{    
    seconds++;
    if (seconds==60) {minutes++; seconds=0;}
    if (minutes==60) {hours++; minutes=0;}
    if (hours==24) hours=0;
    document.getElementById("timestr").innerHTML = inittimeStr + " " + getTwoDigitsForm(hours) + ":" + getTwoDigitsForm(minutes) + ":" + getTwoDigitsForm(seconds);
}
function getTwoDigitsForm(val)
{
    if (val<10) return "0" + val;
    else return val;
}
updateTime();
window.setInterval(updateTime,1000);