var chap_array = new Array(
    ["55 - Two and One",'55/01'],

    ["54 - Goodbye Akira",'54/01'],

    ["53 - The Night Before War Breaks Out",'53/01'],

    ["52 - Cast Away on Love Island",'52/01'],

    ["51 - A Break from the Rainy Season",'51/00-cover'],

    ["50 - Omimai for the First Time",'50/01'],

    ["49 - A Pond That Won't Grant Love",'49/01'],

    ["48 - Little Yurika Debuts!",'48/01'],

    ["47 - Failure Escape, Mufufu Plan",'47/01'],

    ["46 - Men's Valentine's Day",'46/01'],

    ["45 - Only Our Hatsumoude",'45/01'],

    ["44 - To Make Our Feelings Join Together",'44/01'],

    ["43 - Visitor's Epic Battle",'43/01'],

    ["42 - Epic Miss Con Battle",'42/01'],

    ["41 - Exposed",'41/01'],

    ["40 - A Dark Night in the Countryside",'40/01'],

    ["39 - The Great Back of the Beast",'39/01'],

    ["38 - Shell and True Feelings",'38/01'],

    ["37 - Servant's Temptation",'37/01'],

    ["36 - Another Piece of Haruna",'36/01'],

    ["35 - Exposing One's Love",'35/01'],

    ["34 - The Secret of the Golden Ticket",'34/01'],

    ["33 - A Possibility of a Happy Xmas",'33/01'],

    ["32 - Secret Birthday",'32/01'],

    ["31 - Haruna Yun",'31/01'],

    ["30 - Akira's Autumn",'30/01'],

    ["29 - Anju's Autumn",'29/01'],

    ["28 - Yurika's Autumn",'28/01'],

    ["27 - Heaven and Hell's Poolside",'27/01'],

    ["26 - An Island Close to Paradise",'26/00'],

    ["25 - Never Growing Up - Part 2",'25/01'],

    ["24 - Never Growing Up - Part 1",'24/01'],

    ["23 - Girlfriend Comes to Eat a Meal",'23/01'],

    ["22 - Mama Don't Preach",'22/01'],

    ["21 - The Kikuchi Family Bride",'21/01'],

    ["20 - Connect! Sweet Hot Line",'20/01'],

    ["19 - A Realization of a Great Ambition A Sophomore's Trip to a Shrine",'19/01'],

    ["18 - Fishing with Two Delicious People",'18/01'],

    ["17 - It's Love - Men and Woman's Battle",'17/01'],

    ["16 - Forbidden Curiosity",'16/01'],

    ["15 - Insane Summer Festival",'15/01'],

    ["14 - Summer's Opening",'14/01'],

    ["13 - Responsibility for One That is Naked",'13/01'],

    ["12 - Nice to Meet You Naked",'12/01'],

    ["11 - A Beautiful Girl's Privilege",'11/01'],

    ["10 - Sakura's Doubt",'10/01'],

    ["9 - Virgin Valentine",'9/01'],

    ["8 - Let's Talk About Love in the Bathroom - Part 2",'8/01'],

    ["7 - Let's Talk About Love in the Bathroom - Part 1",'7/01'],

    ["6 - Sweet Xmas Dream",'6/01'],

    ["5 - The Child, Rabbit and T-back",'5/01'],

    ["4 - A Man and Woman's Exercise",'4/01'],

    ["3 - The Underwear That's Too Small",'3/01'],

    ["2 - The Swimsuit That's Too Big",'2/01'],

    ["1 - Lets Make New Friends!",'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]);
    }
}