var chapter_list = new Array(
  ["Vol.01 Ch.001: Danger... Thump, Thump!!","v01/c001"],
  ["Vol.01 Ch.002: The Feelings Behind the Smile","v01/c002"],
  ["Vol.01 Ch.003: Rain, Under Your Umbrella","v01/c003"],
  ["Vol.01 Ch.004: For Today I Don`t Know, Thank You","v01/c004"],
  ["Vol.01 Ch.004.5: Other 1: Monochrome Blue","v01/c004.5"],
  ["Vol.02 Ch.005: Arm, Secret and the Two Tsubame","v02/c005"],
  ["Vol.02 Ch.006: Words of the Sea <Words of the Wave>","v02/c006"],
  ["Vol.02 Ch.007: The Qualification to Love","v02/c007"],
  ["Vol.02 Ch.008: The One Worth Protecting","v02/c008"],
  ["Vol.02 Ch.008.5: Other 2:","v02/c008.5"],
  ["Vol.03 Ch.009: Glimpse of Happiness","v03/c009"],
  ["Vol.03 Ch.010: The Dream of the Boy Named Taiga","v03/c010"],
  ["Vol.03 Ch.011: The Medicine of Bravery","v03/c011"],
  ["Vol.03 Ch.012: Changing the Mind","v03/c012"],
  ["Vol.03 Ch.012.5: Other 3: More than a Friend, Less than a Lover","v03/c012.5"],
  ["Vol.04 Ch.013: Dreaming Gear","v04/c013"],
  ["Vol.04 Ch.014: Imitation","v04/c014"],
  ["Vol.04 Ch.015: The Girl's Wish Weaving Arachne","v04/c015"],
  ["Vol.04 Ch.015.1: Other 4: Half Time","v04/c015.1"],
  ["Vol.04 Ch.015.2: Other 5: The Reason for My 'Doki Doki'","v04/c015.2"],
  ["Vol.05 Ch.016: The Path Connecting Us","v05/c016"],
  ["Vol.05 Ch.017: Don't Stop Me Now","v05/c017"],
  ["Vol.05 Ch.018: Wet Wing","v05/c018"],
  ["Vol.05 Ch.019: The Hand Stretched out Towards the Unripe Fruit","v05/c019"],
  ["Vol.05 Ch.020: Smile Friend","v05/c020"],
  ["Vol.05 Ch.021: Girl of the Blue Sky","v05/c021"],
  ["Vol.05 Ch.022: Resounding Throbbing","v05/c022"],
  ["Vol.06 Ch.023: Desired Affection Disagreeing People","v06/c023"],
  ["Vol.06 Ch.024: Twin Hearts","v06/c024"],
  ["Vol.06 Ch.025: Cruelty Unleashes the Brutal Part","v06/c025"],
  ["Vol.06 Ch.026: Tyrant. The Lock Stained by Blood","v06/c026"],
  ["Vol.06 Ch.027: Origin Heart (part 1)","v06/c027"],
  ["Vol.06 Ch.028: Origin Heart (part 2)","v06/c028"],
  ["Vol.06 Ch.029: Origin Heart (part 3)","v06/c029"],
  ["Vol.07 Ch.030: May that Gentleness Last Forever","v07/c030"],
  ["Vol.07 Ch.031: A Heart of Wonder, a Heart that Charms","v07/c031"],
  ["Vol.07 Ch.032: Lost Time","v07/c032"],
  ["Vol.07 Ch.033: The Night Before the Battle","v07/c033"],
  ["Vol.07 Ch.034: The Awakened Fate ~Hetero~","v07/c034"],
  ["Vol.07 Ch.035: The Spread of Madness","v07/c035"],
  ["Vol.08 Ch.036: The Moment of Defeat","v08/c036"],
  ["Vol.08 Ch.037: The Look of Resolve","v08/c037"],
  ["Vol.08 Ch.038: Happy Birthday~ To All Who Are Loved by the World","v08/c038"],
  ["Vol.08 Ch.039: A Lost Memory, an Opened Heart","v08/c039"],
  ["Vol.08 Ch.040: The Memory of Sorrow Named Love","v08/c040"],
  ["Vol.08 Ch.041: And Now, It's Time to Tell You How I Feel","v08/c041"],
  ["Vol.08 Ch.042: Tsubame Syndrome","v08/c042"]
);

var total_chapters = 47;

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;