function Watch() {
  now = new Date();
  year = now.getYear();
  month = now.getMonth()+1;
  day = now.getDate();
  hour = now.getHours();
  minute = now.getMinutes();
  second = now.getSeconds();
  if (year < 1000) { year += 1900 }
  if (hour < 10) { hour = '0' + hour }
  if (minute < 10) { minute = '0' + minute }
  if (second < 10) { second = '0' + second }
  document.getElementById("watch").innerHTML = year+'\.'+month+'\.'+day+' '+hour+':'+minute+':'+second;
  setTimeout("Watch()",1000);
}