var chapter_list = new Array(
  ["Vol.01 Ch.001: Measure 1-Start","v01/c001"],
  ["Vol.01 Ch.002: Measure 2","v01/c002"],
  ["Vol.01 Ch.003: Measure 3","v01/c003"],
  ["Vol.01 Ch.004: Measure 4","v01/c004"],
  ["Vol.02 Ch.005: Measure 5","v02/c005"],
  ["Vol.02 Ch.006: Measure 6","v02/c006"],
  ["Vol.02 Ch.007: Measure 7","v02/c007"],
  ["Vol.02 Ch.008: Measure 8","v02/c008"],
  ["Vol.02 Ch.008.5: Side Story - Tomorrow Will Be Golden","v02/c008.5"],
  ["Vol.03 Ch.009: Measure 9","v03/c009"],
  ["Vol.03 Ch.010: Measure 10","v03/c010"],
  ["Vol.03 Ch.011: Measure 11","v03/c011"],
  ["Vol.03 Ch.012: Measure 12","v03/c012"],
  ["Vol.03 Ch.013: Measure 13","v03/c013"],
  ["Vol.03 Ch.013.1: Extra 1 - Prelude","v03/c013.1"],
  ["Vol.03 Ch.013.2: Extra 2 - A Morning at Training Camp","v03/c013.2"],
  ["Vol.03 Ch.013.3: Extra 3 - Backstage with the Journalism Club","v03/c013.3"],
  ["Vol.04 Ch.000: Measure 14 - 18 + A Curious Day","v04/c000"],
  ["Vol.05 Ch.000: Measure 19 - 23 + Tempo Primo","v05/c000"],
  ["Vol.06 Ch.024: Measure 24","v06/c024"],
  ["Vol.06 Ch.025: Measure 25","v06/c025"],
  ["Vol.06 Ch.026: Measure 26","v06/c026"],
  ["Vol.06 Ch.027: Measure 27 + Extra 1-2 + Another World","v06/c027"],
  ["Vol.07 Ch.028: Measure 28","v07/c028"],
  ["Vol.07 Ch.029: Measure 29","v07/c029"],
  ["Vol.07 Ch.030: Measure 30","v07/c030"],
  ["Vol.07 Ch.031: Measure 31","v07/c031"],
  ["Vol.08 Ch.032: Measure 32","v08/c032"],
  ["Vol.08 Ch.033: Measure 33","v08/c033"],
  ["Vol.08 Ch.034: Measure 34","v08/c034"],
  ["Vol.08 Ch.035: Measure 35","v08/c035"],
  ["Vol.08 Ch.036: Measure 36","v08/c036"],
  ["Vol.09 Ch.037: Measure 37","v09/c037"],
  ["Vol.09 Ch.038: Measure 38","v09/c038"],
  ["Vol.09 Ch.039: Measure 39","v09/c039"],
  ["Vol.09 Ch.040: Measure 40","v09/c040"],
  ["Vol.09 Ch.041: Measure 41","v09/c041"],
  ["Vol.10 Ch.042: Measure 42","v10/c042"],
  ["Vol.10 Ch.043: Measure 43","v10/c043"],
  ["Vol.10 Ch.044: Measure 44","v10/c044"],
  ["Vol.10 Ch.045: Measure 45","v10/c045"],
  ["Vol.10 Ch.046: Measure 46","v10/c046"],
  ["Vol.10 Ch.046.5: Extra - Furioso + Omake","v10/c046.5"],
  ["Vol.11 Ch.047: Measure 47","v11/c047"],
  ["Vol.11 Ch.048: Measure 48","v11/c048"],
  ["Vol.11 Ch.049: Measure 49","v11/c049"],
  ["Vol.11 Ch.049.2: Extra 2 - Passionato ~Prolog~","v11/c049.2"],
  ["Vol.11 Ch.049.3: Extra 3 - Passionato","v11/c049.3"],
  ["Vol.12 Ch.050: Measure 50","v12/c050"],
  ["Vol.12 Ch.051: Measure 51","v12/c051"],
  ["Vol.12 Ch.052: Measure 52","v12/c052"],
  ["Vol.12 Ch.053: Measure 53","v12/c053"],
  ["Vol.12 Ch.054: Measure 54","v12/c054"],
  ["Vol.13 Ch.055: Measure 55","v13/c055"],
  ["Vol.13 Ch.056: Measure 56","v13/c056"],
  ["Vol.13 Ch.057: Measure 57","v13/c057"],
  ["Vol.13 Ch.058: Measure 58","v13/c058"],
  ["Vol.13 Ch.058.1: Tsukimori Len, 10 years old","v13/c058.1"],
  ["Vol.13 Ch.058.2: Etou Kiriya Chapter","v13/c058.2"],
  ["Vol.14 Ch.059: Measure 59","v14/c059"],
  ["Vol.14 Ch.059.5: Hihara Special","v14/c059.5"],
  ["Vol.14 Ch.060: Measure 60","v14/c060"],
  ["Vol.14 Ch.061: Measure 61","v14/c061"],
  ["Vol.14 Ch.061.5: Cultural Festival Special","v14/c061.5"],
  ["Vol.14 Ch.062: Measure 62","v14/c062"],
  ["Vol.15 Ch.062.5: Shimizu's Chapter","v15/c062.5"],
  ["Vol.15 Ch.063: Measure 63","v15/c063"]
);

var total_chapters = 67;

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;