var chapter_list = new Array(
  ["Vol.01 Ch.001: Herr Doktor Tenma","v01/c001"],
  ["Vol.01 Ch.002: Kill","v01/c002"],
  ["Vol.01 Ch.003: downfall","v01/c003"],
  ["Vol.01 Ch.004: brother and sister","v01/c004"],
  ["Vol.01 Ch.005: a case of murder","v01/c005"],
  ["Vol.01 Ch.006: the BKA man","v01/c006"],
  ["Vol.01 Ch.007: monster","v01/c007"],
  ["Vol.01 Ch.008: night of the execution","v01/c008"],
  ["Vol.02 Ch.009: the girl from Heidelberg","v02/c009"],
  ["Vol.02 Ch.010: Prince on a White Horse","v02/c010"],
  ["Vol.02 Ch.011: reported disappearance","v02/c011"],
  ["Vol.02 Ch.012: surprise party","v02/c012"],
  ["Vol.02 Ch.013: mansion of tragedy","v02/c013"],
  ["Vol.02 Ch.014: it's not your fault","v02/c014"],
  ["Vol.02 Ch.015: being chased","v02/c015"],
  ["Vol.02 Ch.016","v02/c016"],
  ["Vol.03 Ch.017","v03/c017"],
  ["Vol.03 Ch.018","v03/c018"],
  ["Vol.03 Ch.019","v03/c019"],
  ["Vol.03 Ch.020","v03/c020"],
  ["Vol.03 Ch.021","v03/c021"],
  ["Vol.03 Ch.022","v03/c022"],
  ["Vol.03 Ch.023","v03/c023"],
  ["Vol.03 Ch.024","v03/c024"],
  ["Vol.04 Ch.025","v04/c025"],
  ["Vol.04 Ch.026","v04/c026"],
  ["Vol.04 Ch.027","v04/c027"],
  ["Vol.04 Ch.028","v04/c028"],
  ["Vol.04 Ch.029","v04/c029"],
  ["Vol.04 Ch.030","v04/c030"],
  ["Vol.04 Ch.031","v04/c031"],
  ["Vol.04 Ch.032","v04/c032"],
  ["Vol.05 Ch.033","v05/c033"],
  ["Vol.05 Ch.034","v05/c034"],
  ["Vol.05 Ch.035","v05/c035"],
  ["Vol.05 Ch.036","v05/c036"],
  ["Vol.05 Ch.037","v05/c037"],
  ["Vol.05 Ch.038","v05/c038"],
  ["Vol.05 Ch.039","v05/c039"],
  ["Vol.05 Ch.040","v05/c040"],
  ["Vol.05 Ch.041: Countdown","v05/c041"],
  ["Vol.06 Ch.042","v06/c042"],
  ["Vol.06 Ch.043: The End of Her Fall","v06/c043"],
  ["Vol.06 Ch.044: Eva's Confession","v06/c044"],
  ["Vol.06 Ch.045: The Men's Dining Table","v06/c045"],
  ["Vol.06 Ch.046: Unseen Enemies","v06/c046"],
  ["Vol.06 Ch.047: The Tuesday Boy","v06/c047"],
  ["Vol.06 Ch.048: The Thursday Boy","v06/c048"],
  ["Vol.06 Ch.049: A Leftover Mystery","v06/c049"],
  ["Vol.06 Ch.050: A Secret Woods","v06/c050"],
  ["Vol.07 Ch.051","v07/c051"],
  ["Vol.07 Ch.052","v07/c052"],
  ["Vol.07 Ch.053","v07/c053"],
  ["Vol.07 Ch.054","v07/c054"],
  ["Vol.07 Ch.055","v07/c055"],
  ["Vol.07 Ch.056","v07/c056"],
  ["Vol.07 Ch.057","v07/c057"],
  ["Vol.07 Ch.058","v07/c058"],
  ["Vol.07 Ch.059","v07/c059"],
  ["Vol.08 Ch.060","v08/c060"],
  ["Vol.08 Ch.061","v08/c061"],
  ["Vol.08 Ch.062","v08/c062"],
  ["Vol.08 Ch.063","v08/c063"],
  ["Vol.08 Ch.064","v08/c064"],
  ["Vol.08 Ch.065","v08/c065"],
  ["Vol.08 Ch.066","v08/c066"],
  ["Vol.08 Ch.067","v08/c067"],
  ["Vol.08 Ch.068","v08/c068"],
  ["Vol.09 Ch.069","v09/c069"],
  ["Vol.09 Ch.070","v09/c070"],
  ["Vol.09 Ch.071","v09/c071"],
  ["Vol.09 Ch.072","v09/c072"],
  ["Vol.09 Ch.073","v09/c073"],
  ["Vol.09 Ch.074","v09/c074"],
  ["Vol.09 Ch.075","v09/c075"],
  ["Vol.09 Ch.076","v09/c076"],
  ["Vol.09 Ch.077","v09/c077"],
  ["Vol.10 Ch.078","v10/c078"],
  ["Vol.10 Ch.079","v10/c079"],
  ["Vol.10 Ch.080","v10/c080"],
  ["Vol.10 Ch.081","v10/c081"],
  ["Vol.10 Ch.082","v10/c082"],
  ["Vol.10 Ch.083","v10/c083"],
  ["Vol.10 Ch.084","v10/c084"],
  ["Vol.10 Ch.085","v10/c085"],
  ["Vol.10 Ch.086","v10/c086"],
  ["Vol.11 Ch.087","v11/c087"],
  ["Vol.11 Ch.088","v11/c088"],
  ["Vol.11 Ch.089","v11/c089"],
  ["Vol.11 Ch.090","v11/c090"],
  ["Vol.11 Ch.091","v11/c091"],
  ["Vol.11 Ch.092","v11/c092"],
  ["Vol.11 Ch.093","v11/c093"],
  ["Vol.11 Ch.094","v11/c094"],
  ["Vol.11 Ch.095","v11/c095"],
  ["Vol.12 Ch.096","v12/c096"],
  ["Vol.12 Ch.097","v12/c097"],
  ["Vol.12 Ch.098","v12/c098"],
  ["Vol.12 Ch.099","v12/c099"],
  ["Vol.12 Ch.100","v12/c100"],
  ["Vol.12 Ch.101","v12/c101"],
  ["Vol.12 Ch.102","v12/c102"],
  ["Vol.12 Ch.103","v12/c103"],
  ["Vol.12 Ch.104","v12/c104"],
  ["Vol.13 Ch.105","v13/c105"],
  ["Vol.13 Ch.106","v13/c106"],
  ["Vol.13 Ch.107","v13/c107"],
  ["Vol.13 Ch.108","v13/c108"],
  ["Vol.13 Ch.109","v13/c109"],
  ["Vol.13 Ch.110","v13/c110"],
  ["Vol.13 Ch.111","v13/c111"],
  ["Vol.13 Ch.112","v13/c112"],
  ["Vol.13 Ch.113","v13/c113"],
  ["Vol.14 Ch.114","v14/c114"],
  ["Vol.14 Ch.115","v14/c115"],
  ["Vol.14 Ch.116","v14/c116"],
  ["Vol.14 Ch.117","v14/c117"],
  ["Vol.14 Ch.118","v14/c118"],
  ["Vol.14 Ch.119","v14/c119"],
  ["Vol.14 Ch.120","v14/c120"],
  ["Vol.14 Ch.121","v14/c121"],
  ["Vol.14 Ch.122","v14/c122"],
  ["Vol.15 Ch.123","v15/c123"],
  ["Vol.15 Ch.124","v15/c124"],
  ["Vol.15 Ch.125","v15/c125"],
  ["Vol.15 Ch.126","v15/c126"],
  ["Vol.15 Ch.127","v15/c127"],
  ["Vol.15 Ch.128","v15/c128"],
  ["Vol.15 Ch.129","v15/c129"],
  ["Vol.15 Ch.130","v15/c130"],
  ["Vol.15 Ch.131","v15/c131"],
  ["Vol.16 Ch.132","v16/c132"],
  ["Vol.16 Ch.133","v16/c133"],
  ["Vol.16 Ch.134","v16/c134"],
  ["Vol.16 Ch.135","v16/c135"],
  ["Vol.16 Ch.136","v16/c136"],
  ["Vol.16 Ch.137","v16/c137"],
  ["Vol.16 Ch.138","v16/c138"],
  ["Vol.16 Ch.139","v16/c139"],
  ["Vol.16 Ch.140","v16/c140"],
  ["Vol.16 Ch.141","v16/c141"],
  ["Vol.17 Ch.142","v17/c142"],
  ["Vol.17 Ch.143","v17/c143"],
  ["Vol.17 Ch.144","v17/c144"],
  ["Vol.17 Ch.145","v17/c145"],
  ["Vol.17 Ch.146","v17/c146"],
  ["Vol.17 Ch.147","v17/c147"],
  ["Vol.17 Ch.148","v17/c148"],
  ["Vol.17 Ch.149","v17/c149"],
  ["Vol.17 Ch.150","v17/c150"],
  ["Vol.17 Ch.151","v17/c151"],
  ["Vol.18 Ch.152","v18/c152"],
  ["Vol.18 Ch.153","v18/c153"],
  ["Vol.18 Ch.154","v18/c154"],
  ["Vol.18 Ch.155","v18/c155"],
  ["Vol.18 Ch.156","v18/c156"],
  ["Vol.18 Ch.157","v18/c157"],
  ["Vol.18 Ch.158","v18/c158"],
  ["Vol.18 Ch.159","v18/c159"],
  ["Vol.18 Ch.160","v18/c160"],
  ["Vol.18 Ch.161","v18/c161"],
  ["Vol.18 Ch.162","v18/c162"]
);

var total_chapters = 162;

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;