var chap_array = new Array(
["Ciguatera 47",'ciguatera-47'],
["Ciguatera 46",'ciguatera-46'],
["Ciguatera 45",'ciguatera-45'],
["Ciguatera 44",'ciguatera-44'],
["Ciguatera 43",'ciguatera-43'],
["Ciguatera 42",'ciguatera-42'],
["Ciguatera 41",'ciguatera-41'],
["Ciguatera 40",'ciguatera-40'],
["Ciguatera 39",'ciguatera-39'],
["Ciguatera 38",'ciguatera-38'],
["Ciguatera 37",'ciguatera-37'],
["Ciguatera 36",'ciguatera-36'],
["Ciguatera 35",'ciguatera-35'],
["Ciguatera 34",'ciguatera-34'],
["Ciguatera 33",'ciguatera-33'],
["Ciguatera 32",'ciguatera-32'],
["Ciguatera 31",'ciguatera-31'],
["Ciguatera 30",'ciguatera-30'],
["Ciguatera 29",'ciguatera-29'],
["Ciguatera 28",'ciguatera-28'],
["Ciguatera 27",'ciguatera-27'],
["Ciguatera 26",'ciguatera-26'],
["Ciguatera 25",'ciguatera-25'],
["Ciguatera 24",'ciguatera-24'],
["Ciguatera 23",'ciguatera-23'],
["Ciguatera 22",'ciguatera-22'],
["Ciguatera 21",'ciguatera-21'],
["Ciguatera 20",'ciguatera-20'],
["Ciguatera 19",'ciguatera-19'],
["Ciguatera 18",'ciguatera-18'],
["Ciguatera 17",'ciguatera-17'],
["Ciguatera 16",'ciguatera-16'],
["Ciguatera 15",'ciguatera-15'],
["Ciguatera 14",'ciguatera-14'],
["Ciguatera 13",'ciguatera-13'],
["Ciguatera 12",'ciguatera-12'],
["Ciguatera 11",'ciguatera-11'],
["Ciguatera 10",'ciguatera-10'],
["Ciguatera 9",'ciguatera-9'],
["Ciguatera 8",'ciguatera-8'],
["Ciguatera 7",'ciguatera-7'],
["Ciguatera 6",'ciguatera-6'],
["Ciguatera 5",'ciguatera-5'],
["Ciguatera 4",'ciguatera-4'],
["Ciguatera 3",'ciguatera-3'],
["Ciguatera 2",'ciguatera-2'],
["Ciguatera 1",'ciguatera-1']);

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]);
}