var chap_array = new Array(
    ["28 - Super Utility Player",'28/00-cover'],

    ["27 - Captain Ushio's True Ability",'27/01'],

    ["26 - The Sleep-out Group",'26/01'],

    ["25 - Walking With You",'25/01'],

    ["24 - The Pair Hike",'24/01'],

    ["23 - The Pleasant Training Camp",'23/01'],

    ["22 - Soft and Fair",'22/01'],

    ["21 - Our Captain, The Baseball Freak",'21/01'],

    ["20 - A Tomboyish Girl and a Mysterious Girl",'20/01'],

    ["19 - Yesterday's Rival",'19/01'],

    ["18 - All in a Fog, in Desperation",'18/01'],

    ["17 - Boys and Girls",'17/01'],

    ["16 - Absolute Move - Liberated",'16/01'],

    ["15 - The Roadside Grass",'15/01'],

    ["14 - Strategy to Hit the Rising Pitch",'14/01'],

    ["13 - The Ultimate Defense",'13/01'],

    ["12 - TOS Lockdown",'12/01'],

    ["11 - 8 Player Baseball",'11/01'],

    ["10 - Amakuni vs Mei",'10/01'],

    ["9 - Take-off Speed VR",'9/01'],

    ["8 - Yakyuken, Unorthodox Baseball",'8/01'],

    ["7 - Amakuni Explodes!!!",'7/01'],

    ["6 - Monster",'6/01'],

    ["5 - Perverted Coach",'5/01'],

    ["4 - Rain and Lies and Smiles and",'4/01'],

    ["3 - Slave Game",'3/01'],

    ["2 - Violent Manager",'2/01'],

    ["1 - The Exposed Man and the Girl with Glasses",'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]);
    }
}