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";
  } else if (intHours == 12) {
     hours = "12:";
     ap = "pm";
  } else {
     intHours = intHours - 12
     hours = intHours + ":";
     ap = "pm";
  }

  if (intMinutes < 10) {
     //minutes = "0"+intMinutes+":";
	 minutes = "0"+intMinutes;
  } else {
     //minutes = intMinutes+":";
	 minutes = intMinutes;
  }

  if (intSeconds < 10) {
     seconds = "0"+intSeconds;
  } else {
     seconds = intSeconds;
  } 

  //timeString = hours+minutes+seconds+ap;
  timeString = "Time: "+hours+minutes+ap;

  Clock.innerHTML = timeString;

  window.setTimeout("tick();", 100);
}

window.onload = tick;