function iDay(){
  iday = new Date();
  day = 24 * 60 * 60 * 1000;
  iday.setTime(iday.getTime() + day * afterday);
  return iday;
};

function iMonth(){
  imonth = iDay();
  day = 24 * 60 * 60 * 1000;
//  imonth.setTime(imonth.getTime() + day * 92);
  imonth.setTime(imonth.getTime() + day * 360);

  return imonth;
};

function sy_time(){
  today = iDay();
  current_year = today.getYear();
  if (current_year<2000) {
      current_year = current_year + 1900;
  }

  imonth = iMonth();
  next_year = imonth.getYear();
  if (next_year<2000) {
      next_year = next_year + 1900;
  }

//2009年をを表示するための暫定処置　☆解除081226 
//    document.write("<option value=2008 selected>2008</option>");
//    document.write("<option value=2009>2009</option>");
//ここまで
 
  if (current_year == next_year) {
    document.write("<option value=" + current_year + " selected>"+ current_year + "</option>");
  } else {
//    document.write("<option value=" + current_year + " selected>"+ current_year + "</option>");
//    document.write("<option value=" + next_year + " >" + next_year + "</option>");
    for (var tmp_year = current_year; tmp_year <= current_year+1; tmp_year++) {
      document.write("<option value=" + tmp_year);
      if (tmp_year == current_year) document.write(" selected ");
      document.write(">");
      document.write(tmp_year + "</option>");
    }
  }





};

function sm_time(){
  today = iDay();
  current_month = today.getMonth()+1;
  month_array=new Array("01", "02", "03", "04", "05", "06", "07", "08", "09", "10", "11", "12");

  for (var tmp_month = 1; tmp_month <= 12; tmp_month++) {
    document.write("<option value=" + month_array[tmp_month-1]);
    if (tmp_month == current_month) document.write(" selected ");
    document.write(">");
    document.write(month_array[tmp_month-1] + "</option>");
  }
};

function sd_time(){
  today = iDay();
  current_month = today.getMonth()+1;
  current_year = today.getYear();
  thisday = today.getDate();
  for (var current_day = 1; current_day <= 31; current_day++) {
    var current_day = "" + current_day;
    if (current_day.length == 1) {
      current_day = "0" + current_day;
    }
    document.write("<option value=" + current_day);
    if (current_day == thisday) document.write(" selected");
    document.write(">");
    document.write(current_day + "</option>");
  }
};