var chap_array = new Array(
    ["33 - Gamble",'33/00-cover'],

    ["32 - Determination",'32/01'],

    ["31 - Raspberries",'31/001'],

    ["30 - A Light Rain",'30/01'],

    ["29 - The Inception of Sorrow",'29/01'],

    ["28 - The High Level Magical Commandment",'28/01'],

    ["27 - A Rainbow within the Darkness",'27/01'],

    ["26 - Sophie",'26/01'],

    ["25 - Rio and Roujie",'25/01'],

    ["24 - Quivering",'24/01'],

    ["23 - The Mad Planter",'23/01'],

    ["22 - Inflitration of the Magical Prison",'22/01'],

    ["21 - Landing",'21/01'],

    ["20 - Biko, the Magical Tools Mentor",'20/01'],

    ["19 - The Butterfly of Night",'19/01'],

    ["18 - Hirata Zansetsu",'18/01'],

    ["17 - Yontani-sensei",'17/01'],

    ["16 - Under the Grave, In the Shadow of the Shrubs",'16/01'],

    ["15 - Someone's There",'15/00'],

    ["14 - Beside You",'14/01'],

    ["13 - Pride",'13/01'],

    ["12 - Insanity",'12/01'],

    ["11 - The Prelude",'11/01'],

    ["10 - A Feeling",'10/01'],

    ["9 - Roujie's Pen",'9/01'],

    ["8 - Nana and Her Dad",'8/01'],

    ["7 - Nana's Photographs",'7/01'],

    ["6 - Things That Never Leave You",'6/00'],

    ["5 - Signboard-breaker, Kenji",'5/01'],

    ["4 - Present",'4/01'],

    ["3 - Talent",'3/01'],

    ["2 - Grandmother Kiyomi",'2/01'],

    ["1 - Rie and Taeko",'1/01']
);
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]);
    }
}