var chapter_list = new Array(
  ["Ch.001: Trick:1","c001"],
  ["Ch.002: Trick:2","c002"],
  ["Ch.003: Trick:3","c003"],
  ["Ch.004: Trick:4","c004"],
  ["Ch.005: Trick:5","c005"],
  ["Ch.006: Trick:6","c006"],
  ["Ch.007: Trick:7","c007"],
  ["Ch.008: Trick:8","c008"],
  ["Ch.009: Trick:9","c009"],
  ["Ch.010: Trick:10","c010"],
  ["Ch.011: Trick:11","c011"],
  ["Ch.012: Trick:12","c012"],
  ["Ch.013: Trick:13","c013"],
  ["Ch.014: Trick:14","c014"],
  ["Ch.015: Trick:15","c015"],
  ["Ch.016: Trick:16","c016"],
  ["Ch.017: Trick:17","c017"],
  ["Ch.018: Trick:18","c018"],
  ["Ch.019: Trick:19","c019"],
  ["Ch.020: Trick:20","c020"],
  ["Ch.021: Trick:21","c021"],
  ["Ch.022: Trick:22","c022"],
  ["Ch.023: Trick:23","c023"],
  ["Ch.024: Trick:24","c024"],
  ["Ch.025: Trick:25","c025"],
  ["Ch.026: Trick:26","c026"],
  ["Ch.027: Trick:27","c027"],
  ["Ch.028: Trick:28","c028"],
  ["Ch.029: Trick:29","c029"],
  ["Ch.030: Trick:30","c030"],
  ["Ch.031: Trick:31","c031"],
  ["Ch.032: Trick:32","c032"],
  ["Ch.033: Trick:33","c033"],
  ["Ch.034: Trick:34","c034"],
  ["Ch.035: Trick:35","c035"],
  ["Ch.036: Trick:36","c036"],
  ["Ch.037: Trick:37","c037"],
  ["Ch.038: Trick:38","c038"],
  ["Ch.039: Trick:39","c039"],
  ["Ch.040: Trick:40","c040"],
  ["Ch.041: Trick:41","c041"],
  ["Ch.042","c042"],
  ["Ch.043","c043"],
  ["Ch.044","c044"],
  ["Ch.045","c045"],
  ["Ch.046","c046"],
  ["Ch.047","c047"],
  ["Ch.048","c048"],
  ["Ch.049","c049"],
  ["Ch.050","c050"],
  ["Ch.051","c051"],
  ["Ch.052","c052"],
  ["Ch.053","c053"],
  ["Ch.054","c054"],
  ["Ch.055","c055"],
  ["Ch.056","c056"],
  ["Ch.057","c057"],
  ["Ch.058","c058"],
  ["Ch.059","c059"],
  ["Ch.060","c060"],
  ["Ch.061","c061"],
  ["Ch.062","c062"],
  ["Ch.063","c063"],
  ["Ch.064","c064"],
  ["Ch.065","c065"],
  ["Ch.066","c066"],
  ["Ch.067","c067"],
  ["Ch.068","c068"],
  ["Ch.069","c069"],
  ["Ch.070","c070"],
  ["Ch.071","c071"],
  ["Ch.072","c072"],
  ["Ch.073","c073"],
  ["Ch.074","c074"],
  ["Ch.075","c075"],
  ["Ch.076","c076"],
  ["Ch.077","c077"],
  ["Ch.078: Trick:78","c078"],
  ["Ch.079: Trick:79","c079"],
  ["Ch.080: Trick:80","c080"],
  ["Ch.081: Trick:81","c081"],
  ["Ch.082: Trick:82","c082"],
  ["Ch.083: Trick:83","c083"],
  ["Ch.084: Trick:84","c084"],
  ["Ch.085: Trick:85","c085"],
  ["Ch.086: Trick:86","c086"],
  ["Ch.087: Trick:87","c087"],
  ["Ch.088","c088"],
  ["Ch.089","c089"],
  ["Ch.090","c090"],
  ["Ch.091","c091"],
  ["Ch.092","c092"],
  ["Ch.093: Trick:93","c093"],
  ["Ch.094","c094"],
  ["Ch.095","c095"],
  ["Ch.096","c096"],
  ["Ch.097","c097"],
  ["Ch.098","c098"],
  ["Ch.099: Trick:99","c099"],
  ["Ch.100","c100"],
  ["Ch.101","c101"],
  ["Ch.102","c102"],
  ["Ch.103","c103"],
  ["Ch.104","c104"],
  ["Ch.105","c105"],
  ["Ch.106","c106"],
  ["Ch.107","c107"],
  ["Ch.108","c108"],
  ["Ch.109","c109"],
  ["Ch.110","c110"],
  ["Ch.111","c111"],
  ["Ch.112","c112"],
  ["Ch.113","c113"],
  ["Ch.114","c114"],
  ["Ch.115","c115"],
  ["Ch.116","c116"],
  ["Ch.117","c117"],
  ["Ch.118","c118"],
  ["Ch.119","c119"],
  ["Ch.120","c120"],
  ["Ch.121","c121"],
  ["Ch.122","c122"],
  ["Ch.123","c123"],
  ["Ch.124","c124"],
  ["Ch.125","c125"],
  ["Ch.126","c126"],
  ["Ch.127","c127"],
  ["Ch.128","c128"],
  ["Ch.129","c129"],
  ["Ch.130","c130"],
  ["Ch.131","c131"],
  ["Ch.132","c132"],
  ["Ch.133","c133"],
  ["Ch.134","c134"],
  ["Ch.135","c135"],
  ["Ch.136","c136"],
  ["Ch.137","c137"],
  ["Ch.138","c138"],
  ["Ch.139","c139"],
  ["Ch.140","c140"],
  ["Ch.141","c141"],
  ["Ch.142","c142"],
  ["Ch.143","c143"],
  ["Ch.144","c144"],
  ["Ch.145","c145"],
  ["Ch.146","c146"],
  ["Ch.147","c147"],
  ["Ch.148","c148"],
  ["Ch.149","c149"],
  ["Ch.150","c150"],
  ["Ch.151","c151"],
  ["Ch.152","c152"],
  ["Ch.153","c153"],
  ["Ch.154","c154"],
  ["Ch.155","c155"],
  ["Ch.156","c156"],
  ["Ch.157","c157"],
  ["Ch.158","c158"],
  ["Ch.159","c159"],
  ["Ch.160","c160"],
  ["Ch.161","c161"],
  ["Ch.162","c162"],
  ["Ch.163","c163"],
  ["Ch.164","c164"],
  ["Ch.165","c165"],
  ["Ch.166","c166"],
  ["Ch.167","c167"],
  ["Ch.168","c168"],
  ["Ch.169","c169"],
  ["Ch.170","c170"],
  ["Ch.171","c171"],
  ["Ch.172","c172"],
  ["Ch.173","c173"],
  ["Ch.174","c174"],
  ["Ch.175","c175"],
  ["Ch.176","c176"],
  ["Ch.177","c177"],
  ["Ch.178","c178"],
  ["Ch.179","c179"],
  ["Ch.180","c180"],
  ["Ch.181","c181"],
  ["Ch.182","c182"],
  ["Ch.183","c183"],
  ["Ch.184","c184"],
  ["Ch.185","c185"],
  ["Ch.186: Trick:186","c186"],
  ["Ch.187","c187"],
  ["Ch.188","c188"],
  ["Ch.189","c189"],
  ["Ch.190","c190"],
  ["Ch.191","c191"],
  ["Ch.192","c192"],
  ["Ch.193","c193"],
  ["Ch.194","c194"],
  ["Ch.195","c195"],
  ["Ch.196","c196"],
  ["Ch.197","c197"],
  ["Ch.198","c198"],
  ["Ch.199","c199"],
  ["Ch.200","c200"],
  ["Ch.201","c201"],
  ["Ch.202","c202"],
  ["Ch.203","c203"],
  ["Ch.204","c204"],
  ["Ch.205: Trick 205","c205"],
  ["Ch.206","c206"],
  ["Ch.207","c207"],
  ["Ch.208","c208"],
  ["Ch.209: Trick:209","c209"],
  ["Ch.210","c210"],
  ["Ch.211","c211"],
  ["Ch.212","c212"],
  ["Ch.213","c213"],
  ["Ch.214","c214"],
  ["Ch.215","c215"],
  ["Ch.216","c216"],
  ["Ch.217","c217"],
  ["Ch.218","c218"],
  ["Ch.219","c219"],
  ["Ch.220","c220"],
  ["Ch.221","c221"],
  ["Ch.222","c222"],
  ["Ch.223","c223"],
  ["Ch.224","c224"],
  ["Ch.225","c225"],
  ["Ch.226","c226"],
  ["Ch.227","c227"],
  ["Ch.228","c228"],
  ["Ch.229","c229"],
  ["Ch.230","c230"],
  ["Ch.231","c231"],
  ["Ch.232","c232"],
  ["Ch.233","c233"],
  ["Ch.234","c234"],
  ["Ch.235","c235"],
  ["Ch.236","c236"],
  ["Ch.237","c237"],
  ["Ch.238: Trick: 238","c238"],
  ["Ch.239: Trick: 239","c239"],
  ["Ch.240: Trick: 240","c240"],
  ["Ch.241: Trick: 241","c241"],
  ["Ch.242: Trick: 242","c242"],
  ["Ch.243: Trick: 243","c243"],
  ["Ch.244: Trick: 244","c244"],
  ["Ch.245: Trick: 245","c245"],
  ["Ch.246: Trick: 246","c246"],
  ["Ch.247: Trick: 247","c247"],
  ["Ch.248: Trick: 248","c248"],
  ["Ch.249: Trick: 249","c249"],
  ["Ch.250: Trick: 250","c250"],
  ["Ch.251: Trick: 251","c251"],
  ["Ch.252: Trick: 252","c252"],
  ["Ch.253: Trick 253","c253"],
  ["Ch.254: Trick: 254","c254"],
  ["Ch.255: Trick: 255","c255"],
  ["Ch.256: Trick: 256","c256"],
  ["Ch.257: Trick: 257","c257"],
  ["Ch.258: Trick: 258","c258"],
  ["Ch.259: Trick: 259","c259"],
  ["Ch.260: Trick: 260","c260"]
);

var total_chapters = 260;

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;