var chapter_list = new Array(
  ["Vol.01 Ch.001","v01/c001"],
  ["Vol.01 Ch.002: Friend","v01/c002"],
  ["Vol.01 Ch.003: Arata & Arata (Part 1)","v01/c003"],
  ["Vol.01 Ch.004: Arata & Arata (Part 2)","v01/c004"],
  ["Vol.01 Ch.005: Arata & Arata (Part 3)","v01/c005"],
  ["Vol.01 Ch.006: Trial","v01/c006"],
  ["Vol.01 Ch.007: Determination","v01/c007"],
  ["Vol.02 Ch.008: Gatoya","v02/c008"],
  ["Vol.02 Ch.009","v02/c009"],
  ["Vol.02 Ch.010: Search","v02/c010"],
  ["Vol.02 Ch.011: Kanate and Ginchi","v02/c011"],
  ["Vol.02 Ch.012: Ring","v02/c012"],
  ["Vol.02 Ch.013: Judgement","v02/c013"],
  ["Vol.02 Ch.014: Complete Strangers","v02/c014"],
  ["Vol.02 Ch.015: Kamui","v02/c015"],
  ["Vol.02 Ch.016: Awakening","v02/c016"],
  ["Vol.02 Ch.017: The Advancing Shinshou","v02/c017"],
  ["Vol.03 Ch.018: School","v03/c018"],
  ["Vol.03 Ch.019: Parting","v03/c019"],
  ["Vol.03 Ch.020: Kagetsuchi","v03/c020"],
  ["Vol.03 Ch.021: Zokushou","v03/c021"],
  ["Vol.03 Ch.022: Akachi","v03/c022"],
  ["Vol.03 Ch.023: Beyond the Curtain","v03/c023"],
  ["Vol.03 Ch.024: Clash","v03/c024"],
  ["Vol.03 Ch.025: A Degrading Meeting","v03/c025"],
  ["Vol.03 Ch.026: Successor","v03/c026"],
  ["Vol.03 Ch.027: Shikuyo","v03/c027"],
  ["Vol.04 Ch.028: The Pain in my Chest","v04/c028"],
  ["Vol.04 Ch.029: In The Flames","v04/c029"],
  ["Vol.04 Ch.030: Emisu","v04/c030"],
  ["Vol.04 Ch.031: Kadowaki [Part 1]","v04/c031"],
  ["Vol.04 Ch.032: Kadowaki [Part 2]","v04/c032"],
  ["Vol.04 Ch.033: Yorunami's Territory","v04/c033"],
  ["Vol.04 Ch.034: The Island of Children","v04/c034"],
  ["Vol.04 Ch.035: The Invisible Shou","v04/c035"],
  ["Vol.04 Ch.036: The Adults","v04/c036"],
  ["Vol.04 Ch.037: Nagu And Naru","v04/c037"],
  ["Vol.04 Ch.046","v04/c046"],
  ["Vol.05 Ch.038: Thank You","v05/c038"],
  ["Vol.05 Ch.039: Omen","v05/c039"],
  ["Vol.05 Ch.040: Who?","v05/c040"],
  ["Vol.05 Ch.041: Once Again","v05/c041"],
  ["Vol.05 Ch.042: Transformation","v05/c042"],
  ["Vol.05 Ch.043: The Six Shou","v05/c043"],
  ["Vol.05 Ch.044: A Bad Premonition","v05/c044"],
  ["Vol.05 Ch.045: Resonance","v05/c045"],
  ["Vol.05 Ch.046: Chosen People","v05/c046"],
  ["Vol.05 Ch.047: Awakening Orochi","v05/c047"],
  ["Vol.05 Ch.048: Hateful Reunion","v05/c048"],
  ["Vol.05 Ch.049: Demonic Temptation","v05/c049"],
  ["Vol.05 Ch.050: Promise","v05/c050"]
);

var total_chapters = 51;

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]);
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}
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;