var chap_array = new Array(
    ["42 - Mystery Tour of the Royal Castle",'42/01'],

    ["41 - Midnight Confession",'41/01'],

    ["40 - The Green House",'40/01'],

    ["39 - Stella",'39/00-cover'],

    ["38 - Six Years Ago",'38/01'],

    ["37 - Wish",'37/01'],

    ["36 - Market",'36/01'],

    ["35 - Sairando's Law",'35/01'],

    ["34 - Crystal and Daisy",'34/01'],

    ["33 - Dark Tunnel",'33/00-cover'],

    ["32 - Story in the Snow",'32/01'],

    ["31 - The Other Side of the Mountain",'31/01'],

    ["30 - What You Protect",'30/01'],

    ["29 - Crazy Beast",'29/01'],

    ["28 - Diary of the Tree Leaking Day",'28/01'],

    ["27 - Sleepy One",'27/00-cover'],

    ["26 - Moss Mountain",'26/01'],

    ["25 - Teddy Bear",'25/01'],

    ["24 - The Boy Who Loved a Mermaid 2",'24/01'],

    ["23 - The Boy Who Loved a Mermaid 1",'23/01'],

    ["22 - House of Apples",'22/01'],

    ["21 - Contact",'21/00-cover'],

    ["20 - Little Flower",'20/01'],

    ["19 - Maggie Coliseum 5",'19/01'],

    ["18 - Maggie Coliseum 4",'18/01'],

    ["17 - Maggie Coliseum 3",'17/01'],

    ["16 - Maggie Coliseum 2",'16/01'],

    ["15 - Maggie Coliseum 1",'15/00-cover'],

    ["14 - Scar",'14/01'],

    ["13 - Husky's Despression",'13/01'],

    ["12 - Guardian Heart 2",'12/01'],

    ["11 - Guardian Heart 1",'11/01'],

    ["10 - Wings of the Wind 2",'10/01'],

    ["9 - Wings of the Wind 1",'9/00-cover'],

    ["Parallel 3 - Shines in the Darkness",'8.3/01'],

    ["Parallel 2 - Sees a Dream in the Sea",'8.2/01'],

    ["Parallel 1 - Dances on the Purple Rocks",'8.1/01'],

    ["8 - Desert Rose",'8/01'],

    ["7 - Secret of Honeycomb Mansion 2",'7/01'],

    ["6 - Secret of Honeycomb Mansion 1",'6/00-cover'],

    ["5 - 3 + 1 = 5",'5/01'],

    ["4 - The Voice That Echoes in the Darkness",'4/01'],

    ["3 - The Gang of Children",'3/01'],

    ["2 - Guardian of the Flower Field",'2/01'],

    ["1 - The Black Angel and the Silver Princess",'1/00-cover']
);
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]);
    }
}