var chap_array = new Array(
    ["38 - Island of Lesbos - Biological Institue Part 2",'38/01'],

    ["37 - Island of Lesbos - Biological Institue Part 1",'37/01'],

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

    ["35 - In Paphlagonia - Part 12",'35/01'],

    ["34 - In Paphlagonia - Part 11",'34/01'],

    ["33 - In Paphlagonia - Part 10",'33/01'],

    ["32 - In Paphlagonia - Part 9",'32/01'],

    ["31 - In Paphlagonia - Part 8",'31/01'],

    ["30 - In Paphlagonia - Part 7",'30/00'],

    ["29 - In Paphlagonia - Part 6",'29/01'],

    ["28 - In Paphlagonia - Part 5",'28/01'],

    ["27 - In Paphlagonia - Part 4",'27/01'],

    ["26 - In Paphlagonia - Part 3",'26/01'],

    ["25 - In Paphlagonia - Part 2",'25/01'],

    ["24 - In Paphlagonia - Part 1",'24/01'],

    ["23 - The Argo",'23/00'],

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

    ["21 - Departure",'21/00'],

    ["20 - A Buyer Appears",'20/00'],

    ["19 - Pendant",'19/191'],

    ["18 - Library Part 3",'18/171'],

    ["17 - A Different World",'17/151'],

    ["16 - Testimony",'16/00'],

    ["15 - Two Corpses",'15/01'],

    ["14 - Thrax's War 3",'14/00'],

    ["13 - Thrax's War 2",'13/00'],

    ["12 - Thrax's War 1",'12/00'],

    ["11 - Footsteps",'11/00'],

    ["10 - Image of Victory",'10/00'],

    ["9 - Physical Training",'9/00'],

    ["8 - The Sythian Way",'8/00'],

    ["7 - The Same Dream",'7/00'],

    ["6 - Library 2",'6/00'],

    ["5 - Library 1",'5/00'],

    ["4 - Hometown Cardia 3",'4/00'],

    ["3 - Hometown Cardia 2",'3/00'],

    ["2 - Hometown Cardia 1",'2/00'],

    ["1 - The Globe",'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]);
    }
}