var chap_array = new Array(
    ["22 - Wrapped Up in the Light of Sunset",'22/001'],

    ["21 - A Walk Home with Just the Two of Us",'21/001'],

    ["20 - Because She Approves of Me",'20/01'],

    ["19 - Shackles",'19/001'],

    ["18 - Kan-O Ryuuichi",'18/001'],

    ["17 - The Ideal Form",'17/001'],

    ["16 - The Moment of Awakening",'16/001'],

    ["15 - The Raod to Victory",'15/001'],

    ["14 - Beginners' Tournament",'14/001'],

    ["13 - Training Camp Confessions",'13/001'],

    ["12 - The Retreat, The Unease",'12/001'],

    ["11 - The Conditions of Winning",'11/001'],

    ["10 - Fight Proposal",'10/01'],

    ["9 - Miwa's Situation, Shoyta's Situation",'9/01'],

    ["8 - Because We Met",'8/01'],

    ["7",'7/01'],

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

    ["5 - The Power to Create",'5/01'],

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

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

    ["2",'2/01'],

    ["1 - Winter Vacation, A Clean Day",'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]);
    }
}