function countDown(value, message) {
  var current = new Date().getTime();
  var timeLeft = value - current;

  var days = parseInt(timeLeft / 86400000);
  timeLeft %= 86400000;
  var hours = parseInt(timeLeft / 3600000);
  timeLeft %= 3600000;
  var minutes = parseInt(timeLeft / 60000);
  timeLeft %= 60000;
  var seconds = parseInt(timeLeft / 1000);
  
  var element = document.getElementById('counter');
  var value = "";

  if (days > 0) {
  	value += days + " Tag";
  	if (days != 1) value += "e";

  	value += " + ";
  }
  
  if (hours < 10) value += "0";
  value += hours;
    
  value += ":";
  if (minutes < 10) value += "0";
  value += minutes;
    
  value += ".";
  if (seconds < 10) value += "0";
  value += seconds;

  if (timeLeft >= 0)
  	element.childNodes[0].nodeValue = value;
  else
  	element.childNodes[0].nodeValue = message;
}