function TimeTableOpenToday(){

    // 日時の取得
    var date  = new Date();
    var year  = date.getYear();
    var month = date.getMonth() + 1;
    var day   = date.getDate();
    //var hour  = date.getHours();

    // 年と月の数値が1桁の場合、頭に0を付けて2桁で表示する指定
    if (year  < 2000) { year += 1900; }
    if (month < 10)   { month = "0" + month; }
    if (day   < 10)   { day   = "0" + day; }

    var time_table_html = '' + year + month + '/' + year + month + day + '.html'; 

    // IFrame(TimeTable)で開く
    window.open(time_table_html, 'TimeTable');


}