var chap_array = new Array(
    ["40 - The Second Match Opponent Notice",'40/01'],

    ["39 - The Heart Embraced within the Cloth",'39/00-cover'],

    ["38 - Kana Chan's Feeling",'38/01'],

    ["37 - Secret Love",'37/01'],

    ["36 - I Will Take Nobara Back",'36/01'],

    ["35 - Good Bye Eagles",'35/01'],

    ["34 - Superwoman Highschool Girl's Rebirth",'34/00-cover'],

    ["33 - Girlfriend's Shadow",'33/01'],

    ["32 - Ryou's Promise",'32/01'],

    ["31",'31/01'],

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

    ["29",'29/00-cover'],

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

    ["27",'27/01'],

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

    ["25",'25/001'],

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

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

    ["22",'22/01'],

    ["21",'21/001'],

    ["20 - Preserving a Friendship",'20/01'],

    ["19 - Troublesome Girl",'19/01'],

    ["18 - Another New Member",'18/01'],

    ["17 - 15 Year Old Unfaithfulness",'17/00'],

    ["16 - Rainy Afternoon",'16/01-02'],

    ["15 - Let's Try to Find a Miracle",'15/01'],

    ["14 - Get out here! Super Ace!!",'14/01'],

    ["13 - First Strong Opponent!",'13/00'],

    ["12 - Silent Love",'12/01'],

    ["11 - The Sissy Ace",'11/01'],

    ["10 - Nobara-san's Personal Feelings",'10/01'],

    ["9 - The New Beni High Girls Volleyball Team",'9/00'],

    ["8 - The Woman Who Seized Glory",'8/01'],

    ["7 - Beautiful Girl Setter Arrives!",'7/01'],

    ["6 - The Undying Dream",'6/01'],

    ["5 - Not a Heroine!",'5/00'],

    ["4 - Lets Play Volleyball",'4/01'],

    ["3 - Two Princes",'3/01'],

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

    ["1 - Are You Hero",'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]);
    }
}