function funClock(){
   var runTime = new Date();
   var hours = runTime.getHours();
   var minutes = runTime.getMinutes();
   var seconds = runTime.getSeconds();
   var dn = "AM";
   if (hours >= 12) {
       dn = "PM";
       hours = hours - 12;
   }
   if (hours == 0) {
       hours = 12;
       }
   if (minutes <= 9) {
       minutes = "0" + minutes;
       }
   if (seconds <= 9) {
       seconds = "0" + seconds; 
      }
   document.getElementById("clock").innerHTML = hours + ":" + minutes + ":" + seconds + " " + dn;
   setTimeout("funClock()", 1000)
}