var chap_array = new Array(
    ["6 - And Then Once Again We Can Give It Our All",'6'],

    ["5 - However, Failure Usually Teaches You Something",'5'],

    ["4 - Overdoing It LIke This, We'll Fail",'4'],

    ["3 - I Guess Momentum Just Ain't Enough",'3'],

    ["2 - Don't Matter If'n I Done or That",'2'],

    ["1 - What'm I To Do",'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]);
    }
}