var chap_array = new Array(
    ["52 - B-Shock",'52'],

    ["51 - Never Letting Go",'51'],

    ["50 - Promonition Realized",'50'],

    ["49 - Dr. Ks Island",'49'],

    ["48 - Premonition",'48'],

    ["47 - Confession",'47'],

    ["46 - Showdown 2",'46'],

    ["45 - Showdown",'45'],

    ["44 - Siblings",'44'],

    ["43 - Arata the Rabbit",'43'],

    ["42 - B File",'42'],

    ["41 - Desperation",'41'],

    ["40 - Winners and Losers",'40'],

    ["39 - Shocking Statement",'39'],

    ["38 - Naked",'38'],

    ["37 - That Was Too Close",'37'],

    ["36 - Summer Beach of Love",'36'],

    ["35 - Miyoko",'35'],

    ["34 - Long Time No See",'34'],

    ["33 - If Only I Could",'33'],

    ["32 - Hatsunes Secret",'32'],

    ["31 - The Changes in Them Both",'31'],

    ["30 - The Feminine Feelings of Hatsune",'30'],

    ["29 - Welcome Party",'29'],

    ["28 - Safety Distance of Simeters",'28'],

    ["27 - Leaving The Safety Distance of One Metre",'27'],

    ["26 - Destroy",'26'],

    ["25 - Spiritual",'25'],

    ["24 - Two Worlds",'24'],

    ["23 - The Kari who Fell in Love",'23'],

    ["22 - Kiss Me",'22'],

    ["21 - A Flower for Princess Kari",'21'],

    ["20 - A Ghost Appears",'20'],

    ["19 - The 6th Child Kari",'19'],

    ["18 - The Childrens Hour",'18'],

    ["17 - Offense and Punishment",'17'],

    ["16 - Is a Threesome Possible",'16'],

    ["15 - Miyokos Plot",'15'],

    ["14 - What a Student Should Do",'14'],

    ["13 - Secret Agreement",'13'],

    ["12 - Hatsune Shows What Shes Made Of",'12'],

    ["11 - Frustrated Arata",'11'],

    ["10 - Thats Our Job",'10'],

    ["9 - Enemies Wherever I Go",'9'],

    ["8 - Broke",'8'],

    ["7 - Part Time Job Magazine Woes",'7'],

    ["6 - Reality Problems",'6'],

    ["5 - The Daughter of the Negi Family",'5'],

    ["4 - Safety Distance of 1 Metre",'4'],

    ["3 - Robotic Bodyguard Kefton",'3'],

    ["2 - Virgin Shock",'2'],

    ["1 - Arata and Hatsune",'1']
);
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]);
    }
}