<script type="text/javascript">
var d=document
var NN = d.layers ? true : (window.opera && !d.createComment) ? true:false
function showTime(){
      var tmN = new Date()
      var dH = '' + tmN.getHours(); dH =dH.length<2 ? '0' + dH:dH
      var dM = '' + tmN.getMinutes(); dM =dM.length<2 ? '0' + dM:dM
      var dS = '' + tmN.getSeconds(); dS =dS.length<2 ? '0' + dS:dS
      var tmp = dH + ':' + dM + ':' + dS
      if (NN) d.F.chas.value = tmp;
      else d.getElementById('tm').innerHTML=tmp
      var t = setTimeout('showTime()',1000)
}
</script>
<div id=tm><form name="F"><input type="button" name="chas" value="XX:XX:XX"></form></div>
<script type="text/javascript">showTime()</script>