var chap_array = new Array(
    ["30 - Let's Fly into the Endless World, Until We Meet at the End of the World",'30/01'],

    ["29 - Wishing on a Shooting Star",'29/00'],

    ["28 - Promise",'28/00'],

    ["27 - Well, Actually",'27/00'],

    ["26 - Fading Feelings",'26/00'],

    ["25 - Minazuki-kun Tries Hard",'25/00'],

    ["24 - Where Light Glitters, Shadows Gather",'24/00'],

    ["23 - The Wind is Born",'23/00'],

    ["22 - Don't Tremble, No Matter What",'22/00'],

    ["21 - Purity, Sacred Eyes The Reason",'21/00'],

    ["20 - Fin Fish",'20/00'],

    ["19 - Goodbye, Wandering Fish of the Universe",'19/00'],

    ["18 - Cursed Lovers",'18/00'],

    ["17 - In the Fate That Was Settled",'17/00'],

    ["16 - At the End of a Prayer",'16/00'],

    ["15 - The Boy of White - Should be Able to Fly to the Sky As Well",'15/00'],

    ["14 - Eating a Poppy Seed, Floating in Kindness",'14/00'],

    ["13 - Three Pushes Until the Truth",'13/00'],

    ["12 - For Instance, to be a Fish Swmming in a Forest by the Sea",'12/01'],

    ["11 - Right Beside You",'11/01'],

    ["10 - To Be a Rose, Mad About You",'10/00'],

    ["9 - To Be Loved By You",'9/00'],

    ["8 - Real Heart",'8/01'],

    ["7 - The Evening Before the Revolution",'7/01'],

    ["6 - Sentimental Labyrinth",'6/01'],

    ["5 - A Diorama of the Sky and Sea",'5/00'],

    ["4 - God, the Rosary and a Wish",'4/01'],

    ["3 - That Heart, Flow at the Pure Star",'3/01'],

    ["2 - Piece of Love",'2/01'],

    ["1 - The Backlit Mademoiselle",'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]);
    }
}