var chapter_list = new Array(
  ["Vol.03 Ch.011: the battle!!","v03/c011"],
  ["Vol.03 Ch.012","v03/c012"],
  ["Vol.03 Ch.013","v03/c013"],
  ["Vol.03 Ch.014","v03/c014"],
  ["Vol.03 Ch.015","v03/c015"],
  ["Vol.03 Ch.016","v03/c016"],
  ["Vol.04 Ch.017","v04/c017"],
  ["Vol.04 Ch.018","v04/c018"],
  ["Vol.04 Ch.019","v04/c019"],
  ["Vol.04 Ch.020","v04/c020"],
  ["Vol.04 Ch.021","v04/c021"],
  ["Vol.04 Ch.022","v04/c022"],
  ["Vol.05 Ch.023","v05/c023"],
  ["Vol.05 Ch.024","v05/c024"],
  ["Vol.05 Ch.025","v05/c025"],
  ["Vol.05 Ch.026","v05/c026"],
  ["Vol.05 Ch.027","v05/c027"],
  ["Vol.05 Ch.028","v05/c028"],
  ["Vol.06 Ch.029","v06/c029"],
  ["Vol.06 Ch.030","v06/c030"],
  ["Vol.06 Ch.031","v06/c031"],
  ["Vol.06 Ch.032","v06/c032"],
  ["Vol.06 Ch.033","v06/c033"],
  ["Vol.06 Ch.034","v06/c034"],
  ["Vol.07 Ch.035","v07/c035"],
  ["Vol.07 Ch.036","v07/c036"],
  ["Vol.07 Ch.037","v07/c037"],
  ["Vol.07 Ch.038","v07/c038"],
  ["Vol.07 Ch.039","v07/c039"],
  ["Vol.07 Ch.040: Omake","v07/c040"],
  ["Vol.08 Ch.041","v08/c041"],
  ["Vol.08 Ch.042","v08/c042"],
  ["Vol.08 Ch.043","v08/c043"],
  ["Vol.08 Ch.044","v08/c044"],
  ["Vol.08 Ch.045","v08/c045"],
  ["Vol.08 Ch.046","v08/c046"],
  ["Vol.09 Ch.047","v09/c047"],
  ["Vol.09 Ch.048","v09/c048"],
  ["Vol.09 Ch.049","v09/c049"],
  ["Vol.09 Ch.050","v09/c050"],
  ["Vol.09 Ch.051","v09/c051"],
  ["Vol.09 Ch.052","v09/c052"],
  ["Vol.09 Ch.052.5: Omake","v09/c052.5"],
  ["Vol.10 Ch.053","v10/c053"],
  ["Vol.10 Ch.054","v10/c054"],
  ["Vol.10 Ch.055","v10/c055"],
  ["Vol.10 Ch.056","v10/c056"],
  ["Vol.10 Ch.057","v10/c057"],
  ["Vol.10 Ch.058","v10/c058"],
  ["Vol.11 Ch.059","v11/c059"],
  ["Vol.11 Ch.060","v11/c060"],
  ["Vol.11 Ch.061","v11/c061"],
  ["Vol.11 Ch.062","v11/c062"],
  ["Vol.11 Ch.063: I'm not tired of you","v11/c063"],
  ["Vol.12 Ch.064","v12/c064"],
  ["Vol.12 Ch.065","v12/c065"],
  ["Vol.12 Ch.066","v12/c066"],
  ["Vol.12 Ch.067","v12/c067"],
  ["Vol.12 Ch.068","v12/c068"],
  ["Vol.12 Ch.069","v12/c069"],
  ["Vol.13 Ch.070","v13/c070"],
  ["Vol.13 Ch.071","v13/c071"],
  ["Vol.13 Ch.072","v13/c072"],
  ["Vol.13 Ch.073: one sided love","v13/c073"],
  ["Vol.13 Ch.074: Valentine's Day","v13/c074"],
  ["Vol.13 Ch.075: kei's secret","v13/c075"],
  ["Vol.14 Ch.076","v14/c076"],
  ["Vol.14 Ch.077","v14/c077"],
  ["Vol.14 Ch.078","v14/c078"],
  ["Vol.14 Ch.079","v14/c079"],
  ["Vol.14 Ch.080","v14/c080"],
  ["Vol.14 Ch.081","v14/c081"],
  ["Vol.14 Ch.081.5: Special A Extra 2: Ryuu's Older Sister","v14/c081.5"],
  ["Vol.15 Ch.082","v15/c082"],
  ["Vol.15 Ch.083","v15/c083"],
  ["Vol.15 Ch.084: Love Potion","v15/c084"],
  ["Vol.15 Ch.085","v15/c085"],
  ["Vol.15 Ch.086","v15/c086"],
  ["Vol.15 Ch.087","v15/c087"],
  ["Vol.15 Ch.087.5: Special A Extra 1: Fantasy","v15/c087.5"],
  ["Vol.15 Ch.087.6: Special A Extra 3: Kei's Mama and Papa","v15/c087.6"],
  ["Vol.16 Ch.088","v16/c088"],
  ["Vol.16 Ch.089","v16/c089"],
  ["Vol.16 Ch.090","v16/c090"],
  ["Vol.16 Ch.091","v16/c091"],
  ["Vol.16 Ch.092","v16/c092"],
  ["Vol.16 Ch.093","v16/c093"],
  ["Vol.16 Ch.093.5: Hikari and Kei's Middle School Days","v16/c093.5"],
  ["Vol.16 Ch.094","v16/c094"],
  ["Vol.17 Ch.095","v17/c095"],
  ["Vol.17 Ch.096","v17/c096"],
  ["Vol.17 Ch.097","v17/c097"],
  ["Vol.17 Ch.098","v17/c098"],
  ["Vol.17 Ch.099: Proposal","v17/c099"]
);

var total_chapters = 94;

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;