var clockID = 0;



function UpdateClock() {



   if(clockID) {
      clearTimeout(clockID);
      clockID  = 0;
   }

   var tDate = new Date();

   document.getElementById('TIME').innerHTML = "" 
                                   + tDate.getHours() + ":" 
                                   + tDate.getMinutes() + ":" 
                                   + tDate.getSeconds();
   
   clockID = setTimeout("UpdateClock()", 1000);
}
function StartClock() {



   clockID = setTimeout("UpdateClock()", 500);
}

function KillClock() {



   if(clockID) {
      clearTimeout(clockID);
      clockID  = 0;
   }
}