var chapter_list = new Array(
  ["Vol.01 Ch.001: That Already?!","v01/c001"],
  ["Vol.01 Ch.002: I Can See Them...!?","v01/c002"],
  ["Vol.01 Ch.003: It Hurts, but it Feels Good!","v01/c003"],
  ["Vol.01 Ch.004: In My Dreams!?","v01/c004"],
  ["Vol.01 Ch.005: A New Assassin!?","v01/c005"],
  ["Vol.01 Ch.006: A Happy Shriek!?","v01/c006"],
  ["Vol.01 Ch.007: In A Pinch!","v01/c007"],
  ["Vol.01 Ch.008: That's Not Good!","v01/c008"],
  ["Vol.02 Ch.009: Shit, I Did It!","v02/c009"],
  ["Vol.02 Ch.010: A... a Contract!?","v02/c010"],
  ["Vol.02 Ch.011: I'm Glad, But Oh Shi-t?","v02/c011"],
  ["Vol.02 Ch.012: In Dreams, We Fight!!","v02/c012"],
  ["Vol.02 Ch.013: My Balls are in Danger, Maybe...!?","v02/c013"],
  ["Vol.02 Ch.014: Many Dangers...!?","v02/c014"],
  ["Vol.02 Ch.014.1: Special Ball: Memory Lapse...?!","v02/c014.1"],
  ["Vol.02 Ch.014.2: Extra Ball: Indecent Angel","v02/c014.2"],
  ["Vol.03 Ch.015: An Invinsible, But Pleasant Sensation..?","v03/c015"],
  ["Vol.03 Ch.016: While Watching The Balls...?","v03/c016"],
  ["Vol.03 Ch.017: A Perverse Cupid?","v03/c017"],
  ["Vol.03 Ch.018: She's Gonna Watch!?","v03/c018"],
  ["Vol.03 Ch.019: Ridiculous Attack!?","v03/c019"],
  ["Vol.03 Ch.020: Exam Time","v03/c020"],
  ["Vol.03 Ch.020.5: Special Ball 2","v03/c020.5"],
  ["Vol.04 Ch.021: Advanced Techniques","v04/c021"],
  ["Vol.04 Ch.022: Can't You Endure!?","v04/c022"],
  ["Vol.04 Ch.023: Not My Vitals!","v04/c023"],
  ["Vol.04 Ch.024: The Battle of the Sexes begins!","v04/c024"],
  ["Vol.04 Ch.025: This Is Way Over The Top","v04/c025"],
  ["Vol.04 Ch.026: Give Me a Break...!","v04/c026"],
  ["Vol.04 Ch.027: In a Bind with Minayo!!","v04/c027"],
  ["Vol.04 Ch.027.5: Extra Ball: An Angel Leads Him Down the Path of Perversion","v04/c027.5"],
  ["Vol.05 Ch.028: She's Right in Front of Me!?","v05/c028"],
  ["Vol.05 Ch.029: Finally Kohta's Virginity Will Be...!","v05/c029"],
  ["Vol.05 Ch.030: I dream of Geisha?","v05/c030"],
  ["Vol.05 Ch.031: Sex Attacks from Another Dimension!?","v05/c031"],
  ["Vol.05 Ch.032: Giving Out Sex Orders!?","v05/c032"],
  ["Vol.05 Ch.033: I'm Ready To Burst....Taking Sex Head On!","v05/c033"],
  ["Vol.06 Ch.034: True Feelings","v06/c034"],
  ["Vol.06 Ch.035: Happiness, Loneliness, and... Love!?","v06/c035"],
  ["Vol.06 Ch.036: For Love...!?","v06/c036"],
  ["Vol.06 Ch.037: Trying To Say It Honestly...!!","v06/c037"],
  ["Vol.06 Ch.038: Boobs X Self-Control!!","v06/c038"],
  ["Vol.06 Ch.039: What's Wrong With A Tsundere?","v06/c039"],
  ["Vol.06 Ch.040: Come On, I Got It","v06/c040"],
  ["Vol.06 Ch.041: "I Love You". For Real, This Time + Extra","v06/c041"]
);

var total_chapters = 45;

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;