function tick() {
  var hours, minutes, seconds, ap;
  var intHours, intMinutes, intSeconds;
  var today;
  today = new Date();

  intHours = today.getHours();
  intMinutes = today.getMinutes();
  intSeconds = today.getSeconds();

  if (intHours == 0) {
     hours = "12:";
     ap = "am" + " ";
  } else if (intHours < 12) { 
     hours = intHours+":";
     ap = "am" + "&nbsp;";
  } else if (intHours == 12) {
     hours = "12:";
     ap = "pm" + "&nbsp;";
  } else {
     intHours = intHours - 12
     hours = intHours + ":";
     ap = "pm" + "&nbsp;";
  }
  if (intMinutes < 10) {
     minutes = "0"+intMinutes+":";
  } else {
     minutes = intMinutes+":";
  }
  if (intSeconds < 10) {
     seconds = "0"+intSeconds+" ";
  } else {
     seconds = intSeconds+" ";
  } 
  timeString = "<font class='mCLock'>" +hours+minutes+seconds+ap+"</font>";
  Clock.innerHTML = timeString;
  window.setTimeout("tick();", 1000);
  
 }