var chap_array = new Array(
    ["31",'31/01'],

    ["30",'30/01'],

    ["29 - The Place You Call Home",'29/01'],

    ["28",'28/01'],

    ["27 - The Distant Seperation",'27/01'],

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

    ["25 - Meeting in the Hidden Forest",'25/01'],

    ["24 - Returning to the Stars",'24/00'],

    ["23",'23/01'],

    ["22",'22/00'],

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

    ["20",'20/01'],

    ["19",'19/01'],

    ["18",'18/01'],

    ["17",'17/00'],

    ["16 - Chaos in the Red Light District",'16/01'],

    ["15 - The Destination of the Stars",'15/01'],

    ["14 - The Festival",'14/01'],

    ["13",'13/00'],

    ["12",'12/00'],

    ["11",'11/01'],

    ["10",'10/01'],

    ["9",'9/00'],

    ["8 - Tears from a Stone Wall",'8/01'],

    ["7 - The Legendary Origin Stone",'7/000'],

    ["6 - Song of the Gondola",'6/01'],

    ["5 - The Star of the Barrier",'5/00'],

    ["4 - The Maiden of Ginpa",'4/00'],

    ["3 - Decision of the Fated Star",'3/00'],

    ["2",'2/00'],

    ["1 - The Myth Begins",'1/00']
);
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]);
    }
}