var timer = null

function stop()
{
     clearTimeout(timer)
}

function start()
{
     var time = new Date()
     var hours = time.getHours()
     var minutes = time.getMinutes()
          
     minutes = ((minutes < 10) ? "0" : "") + minutes
     var seconds = time.getSeconds()
     seconds = ((seconds < 10) ? "0" : "") + seconds
     var clock = hours + ":" + minutes + ":" + seconds
     PanelDate.innerText = clock
     timer = setTimeout("start()",1000)
}