// 現在時刻の表示（ローカル時間）
// 表示形式　xxxx年xx月xx日（曜）午前xx時xx分
// 表示場所　set_local_time(xxx) ---> <div id="xxx">に表示
// 更新頻度　60秒ごと

function set_local_time(div_id) {
  week = new Array("日","月","火","水","木","金","土")
  today = new Date();
  
  myYear = today.getFullYear();
  myMonth = today.getMonth() + 1;
  if (myMonth <= 9) myMonth = " " + myMonth;
  myDate = today.getDate();
  if (myDate <= 9) myDate = " " + myDate;
  myDay = week[today.getDay()];
  myHour24 = today.getHours();
  myAMPM =(myHour24 < 12) ? "午前" : "午後";
  myHour12 = myHour24 % 12;
  if (myHour12 == 0) myHour12 = 12;
  if (myHour12 <= 9) myHour12 = " " + myHour12;
  myMinute = today.getMinutes();
  if (myMinute <= 9) myMinute = "0" + myMinute;
  txt = myYear+"年"+myMonth+"月"+myDate+"日（"+myDay+"）"+myAMPM+myHour12+"時"+myMinute+"分";
  
  if (navigator.userAgent.indexOf("Firefox") >= 0) {
    document.getElementById(div_id).textContent = txt;
  } else {
    document.getElementById(div_id).innerText = txt;
  }
  
  setTimeout("set_local_time('" + div_id + "')",60000);
}