function nowdate(){
  myTbl     = new Array("日","月","火","水","木","金","土");
  myD       = new Date();

  myYear    = myD.getYear();
  myYear4   = (myYear < 2000) ? myYear+1900 : myYear;
  myMonth   = myD.getMonth() + 1;
  myDate    = myD.getDate();
  myDay     = myD.getDay();
  myHours   = myD.getHours();
  myMinutes = myD.getMinutes();
  mySeconds = myD.getSeconds();

  myMess1 = myYear4 + "年" + myMonth + "月" + myDate + "日" + myTbl[myDay] + "曜日";
  myMess2 = myHours + "時" + myMinutes + "分" + mySeconds + "秒";
  document.myForm4.myFormDate.value = myMess1;
  document.myForm4.myFormTime.value = myMess2;
}