function jsClock24hr(){
  var time = new Date()
  var hour = time.getHours()
  var minute = time.getMinutes()
  var second = time.getSeconds()
  var temp = "" + ((hour < 10) ? "0" : "") + hour
  temp += ((minute < 10) ? ":0" : ":") + minute
  temp += ((second < 10) ? ":0" : ":") + second
  document.getElementById('clockbox').innerHTML = temp
  id = setTimeout("jsClock24hr()",1000)
  }
  window.onload=function(){jsClock24hr();}