var chapter_list = new Array(
  ["Vol.01 Ch.001: Beautiful Girl A and Monster Z","v01/c001"],
  ["Vol.01 Ch.002: Yamamoto-san","v01/c002"],
  ["Vol.01 Ch.003: The Everything Girl","v01/c003"],
  ["Vol.01 Ch.004: Unbalance?","v01/c004"],
  ["Vol.01 Ch.005: Secret","v01/c005"],
  ["Vol.01 Ch.006: The Worrying Brother","v01/c006"],
  ["Vol.01 Ch.007: More Beloved than Anything in the World","v01/c007"],
  ["Vol.01 Ch.008: Pure-Hearted Afro","v01/c008"],
  ["Vol.02 Ch.009: Tokimeki Dolphin","v02/c009"],
  ["Vol.02 Ch.009.5: Omake: Limited Girl 2","v02/c009.5"],
  ["Vol.02 Ch.010: Reverse Boy!","v02/c010"],
  ["Vol.02 Ch.011: Before the Snow Starts Falling","v02/c011"],
  ["Vol.02 Ch.012: Want to Say, But Can't Say","v02/c012"],
  ["Vol.02 Ch.013: Lustful Communication","v02/c013"],
  ["Vol.02 Ch.014: Kotatsu, Bridge and...","v02/c014"],
  ["Vol.02 Ch.015: Let's Kiss","v02/c015"],
  ["Vol.02 Ch.016: The Bewitching Watarase-san","v02/c016"],
  ["Vol.02 Ch.017: The Shape of Love","v02/c017"],
  ["Vol.03 Ch.018: The Melancholy of the Chocolate 1/3 - Ignite","v03/c018"],
  ["Vol.03 Ch.019: The Melancholy of the Chocolate 2/3 - Drop","v03/c019"],
  ["Vol.03 Ch.020: The Melancholy of the Chocolate Bomber 3/3 - Burst","v03/c020"],
  ["Vol.03 Ch.021: Konohana Sakuya 1/3 - One Flower Bud","v03/c021"],
  ["Vol.03 Ch.022: Konohana Sakuya 2/3 - Opened Seam and the Change of Colour","v03/c022"],
  ["Vol.03 Ch.023: Konohana Sakuya 3/3 - In Those Memory, Full-blooming","v03/c023"],
  ["Vol.03 Ch.024: Kappa Fight!","v03/c024"],
  ["Vol.03 Ch.025: Sparkling Pool! Part 1","v03/c025"],
  ["Vol.03 Ch.026: Sparkling Pool! Part 2","v03/c026"],
  ["Vol.03 Ch.026.5: Omake: Limited Girl 3","v03/c026.5"],
  ["Vol.04 Ch.027: The Boys' Escape Part 1: The Disappearing Sleepless Dreamers","v04/c027"],
  ["Vol.04 Ch.028: The Boy's Escape Part 2: The Pursuing Sleepless Dreamers","v04/c028"],
  ["Vol.04 Ch.029: The Boys' Escape Part 3: The Entangled Sleepless Dreamers","v04/c029"],
  ["Vol.04 Ch.030: The Boy's Escape Part 4: Sprinting, The Sleepless Dreamers","v04/c030"],
  ["Vol.04 Ch.031: Rainbow Drop","v04/c031"],
  ["Vol.04 Ch.032: Hatsukoi Limited","v04/c032"],
  ["Vol.04 Ch.032.5: Emergency Omake to Fill in the Pages","v04/c032.5"]
);

var total_chapters = 35;

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;