var chapter_list = new Array(
  ["Vol.01 Ch.001: Himorogi's Daughter","v01/c001"],
  ["Vol.01 Ch.002: The Emperor's Voice Was Heard","v01/c002"],
  ["Vol.01 Ch.003: Spring Attack!","v01/c003"],
  ["Vol.01 Ch.004: School Days","v01/c004"],
  ["Vol.01 Ch.005: The After-School Goddess","v01/c005"],
  ["Vol.01 Ch.006: Sister","v01/c006"],
  ["Vol.02 Ch.007: Sisters","v02/c007"],
  ["Vol.02 Ch.008: The Fiery Devils for Hire x 2 + 1","v02/c008"],
  ["Vol.02 Ch.009: We Love Thou, Our Idol","v02/c009"],
  ["Vol.02 Ch.010: Revelation! A New Power!!","v02/c010"],
  ["Vol.02 Ch.011: That Girl's Crazy","v02/c011"],
  ["Vol.02 Ch.012: Wuthering Heights","v02/c012"],
  ["Vol.02 Ch.038","v02/c038"],
  ["Vol.03 Ch.013: Meisou Gakuen","v03/c013"],
  ["Vol.03 Ch.014: My Embarassing Past","v03/c014"],
  ["Vol.03 Ch.014.5: Interlude -Karaoke Warrior Takako","v03/c014.5"],
  ["Vol.03 Ch.015: Everything is Fuzzy","v03/c015"],
  ["Vol.03 Ch.016: But This is the Truth","v03/c016"],
  ["Vol.03 Ch.017: Ephemerality (Short-Livedness)","v03/c017"],
  ["Vol.03 Ch.018: Jin Head over Heels in Love","v03/c018"],
  ["Vol.04 Ch.019: Spending Summer Together","v04/c019"],
  ["Vol.04 Ch.020: Encounter","v04/c020"],
  ["Vol.04 Ch.020.1: Nakakiyono","v04/c020.1"],
  ["Vol.04 Ch.020.2: Interlude Nakakiyono","v04/c020.2"],
  ["Vol.04 Ch.021: When Girlfriend and Boyfriend Change into Swimsuits","v04/c021"],
  ["Vol.04 Ch.022: Streets in Shiomi.","v04/c022"],
  ["Vol.04 Ch.023: Divided Spirit","v04/c023"],
  ["Vol.05 Ch.024: Sea Dragon´s Shadow in the Ocean Sunrise","v05/c024"],
  ["Vol.05 Ch.024.5: Interlude MMO","v05/c024.5"],
  ["Vol.05 Ch.025: Hakua's Castle - Part 1","v05/c025"],
  ["Vol.05 Ch.026: Hakua's Castle - Part 2","v05/c026"],
  ["Vol.05 Ch.027: In the First Year of High School, We Only Have This Summer Vacation","v05/c027"],
  ["Vol.05 Ch.028: The End Of Summer","v05/c028"],
  ["Vol.06 Ch.029: An ON/OFF Switch for a Calling","v06/c029"],
  ["Vol.06 Ch.030: My Truthfully Embarassing Past","v06/c030"],
  ["Vol.06 Ch.031: Dandelion in the Shadows","v06/c031"],
  ["Vol.06 Ch.032: High School Idolmaster","v06/c032"],
  ["Vol.06 Ch.033: Playing With O-Kun","v06/c033"],
  ["Vol.06 Ch.034: I Wonder What Love Is","v06/c034"],
  ["Vol.06 Ch.035: Wheel Of Fate","v06/c035"],
  ["Vol.06 Ch.036: Ozuma Appears","v06/c036"],
  ["Vol.07 Ch.037: Cut Down part 1","v07/c037"]
);

var total_chapters = 42;

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  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;