var chapter_list = new Array(
  ["Ch.001.1: Kurenai Shinkurou","c001.1"],
  ["Ch.001.2: Kurenai Shinkurou","c001.2"],
  ["Ch.002: Kurenai Shinkurou: Recollection","c002"],
  ["Ch.003: Kuhouin Murasaki","c003"],
  ["Ch.004: Murakami Ginko","c004"],
  ["Ch.005: Murakami Ginko - Recollection","c005"],
  ["Ch.006: Mutou Tamaki","c006"],
  ["Ch.007: A Chance Meeting","c007"],
  ["Ch.008: The Client","c008"],
  ["Ch.009: Fusion","c009"],
  ["Ch.010","c010"],
  ["Ch.011","c011"],
  ["Ch.012: Embrace","c012"],
  ["Ch.013: Collapse","c013"],
  ["Ch.014: Promise","c014"],
  ["Ch.015: Choice","c015"],
  ["Ch.016: Truth","c016"],
  ["Ch.017: Wish","c017"],
  ["Ch.018: Guillotine - Part First","c018"],
  ["Ch.019: Guillotine - Part Second","c019"],
  ["Ch.020: Loyal One","c020"],
  ["Ch.021: The Akuu Company","c021"],
  ["Ch.022: Friends","c022"],
  ["Ch.023: Evil Omen","c023"],
  ["Ch.024: Big Brother","c024"]
);

var total_chapters = 25;

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;