var chapter_list = new Array(
  ["Vol.01 Ch.001: The Hot Blood of Youth (Yakudate! Seishun)","v01/c001"],
  ["Vol.01 Ch.002: The Unrequited Love of The Cherry Blossom Color (Sakurai Iro Kata Omoi)","v01/c002"],
  ["Vol.01 Ch.003: Captivating Glance (Shisen no Toriko)","v01/c003"],
  ["Vol.01 Ch.004: In The Palm of Your Hand!? (Anata no Te no Ue)","v01/c004"],
  ["Vol.01 Ch.005: Simple Minded Selfishness (Mujaki ni Wagamama)","v01/c005"],
  ["Vol.01 Ch.006: The Hot Blood of Youth Extra ~ You're My Shining Star","v01/c006"]
);

var total_chapters = 6;

for (var i = 0; i < chapter_list.length; i++) {
  document.getElementById('top_chapter_list').options[i] = new Option(chapter_list[i][0], chapter_list[i][1]);
  document.getElementById('bottom_chapter_list').options[i] = new Option(chapter_list[i][0], chapter_list[i][1]);
}
document.getElementById('top_chapter_list').value=current_chapter;
document.getElementById('bottom_chapter_list').value=current_chapter;
var current_chapter_index = document.getElementById('top_chapter_list').selectedIndex;