var chap_array = new Array(
    ["41 - Inu Neko Jump",'41'],

    ["40 - Hawaii",'40'],

    ["39 - Ozu Takahiro",'39'],

    ["38 - Horiguchi Yuri",'38'],

    ["37 - Battle at the Festival 3",'37'],

    ["36 - Battle at the Festival 2",'36'],

    ["35 - Battle at the Festival 1",'35'],

    ["34 - Part Time Job",'34'],

    ["33 - An In Home Visit",'33'],

    ["32 - Special Summer Training 5",'32'],

    ["31 - Special Summer Training 4",'31'],

    ["30 - Special Summer Training 3",'30'],

    ["29 - Special Summer Training 2",'29'],

    ["28 - Special Summer Training 1",'28'],

    ["27 - A Womans Heart",'27'],

    ["26 - The Beach",'26'],

    ["25 - Special Training",'25'],

    ["24 - Dodge Ball Competition",'24'],

    ["23 - Hasegawa and Wasuki!",'23'],

    ["22 - Sprint, Sprint, Take Off!",'22'],

    ["21 - What Everyone Thinks Inside!",'21'],

    ["20 - Nao Strikes! - Part 2",'20'],

    ["19 - Nao Strikes! - Part 1",'19'],

    ["18 - Beautiful Day By the Pool",'18'],

    ["17 - My First Love",'17'],

    ["16 - Accident",'16'],

    ["15 - Opponent Part II",'15'],

    ["14 - Opponent Part I",'14'],

    ["13 - Visiting the Sick",'13'],

    ["12 - Mountain Climbing",'12'],

    ["11 - Home Visit",'11'],

    ["10 - Forced Recruitment",'10'],

    ["9 - Back in Time",'9'],

    ["8 - Dream",'8'],

    ["7 - Taichi Momose",'7'],

    ["6 - Letter",'6'],

    ["5 - Enticement",'5'],

    ["4 - Jump",'4'],

    ["3 - Coming for a Visit",'3'],

    ["2 - Neko",'2'],

    ["1 - Take Off",'1']
);
for (var i=0; i<chap_array.length; i++) {
    document.getElementById('id_chapter_1').options[i] = new Option(chap_array[i][0],chap_array[i][1]);
    if (document.getElementById('id_chapter_2')) {
        document.getElementById('id_chapter_2').options[i] = new Option(chap_array[i][0],chap_array[i][1]);
    }
}