var chap_array = new Array(
["3 Gatsu no Lion 6",'3-gatsu-no-lion-6'],
["3 Gatsu no Lion 5",'3-gatsu-no-lion-5'],
["3 Gatsu no Lion 4 - Across The Bridge",'3-gatsu-no-lion-4'],
["3 Gatsu no Lion 3 - Akari",'3-gatsu-no-lion-3'],
["3 Gatsu no Lion 2 - The Town On The River",'3-gatsu-no-lion-2'],
["3 Gatsu no Lion 1.1 - Kiriyama Rei",'3-gatsu-no-lion-1.1'],
["3 Gatsu no Lion 1.3",'3-gatsu-no-lion-1.3'],
["3 Gatsu no Lion 1.2",'3-gatsu-no-lion-1.2']);

for (var i=0; i<chap_array.length; i++) {
document.getElementById('chapter_select').options[i] = new Option(chap_array[i][0],chap_array[i][1]);
}