var PBS_surv_sites = new Array(20);
// Fields are, in order:
// Site prefix, survey invite url, frequency, and Taylor Group survey number.

PBS_surv_sites[0]  = ["/wgbh/nova/",            "nova.html",               200, 1];
PBS_surv_sites[1]  = ["/wgbh/pages/frontline/", "frontline.html",          200, 2];
PBS_surv_sites[2]  = ["/newshour/",             "newshour.html",           200, 3];
PBS_surv_sites[3]  = ["/wgbh/amex/",            "americanexperience.html", 200, 4];
PBS_surv_sites[4]  = ["/wnet/nature/",          "nature.html",               5, 5];
PBS_surv_sites[5]  = ["/wgbh/aia/",             "africansinamerica.html",    5, 6];
PBS_surv_sites[6]  = ["/now/",                  "now.html",                 50, 7];
PBS_surv_sites[7]  = ["/wgbh/roadshow/",        "antiquesroadshow.html",     5, 8];
PBS_surv_sites[8]  = ["/wgbh/masterpiece/",     "masterpiecetheater.html",   5, 9];
PBS_surv_sites[9]  = ["/wgbh/aso/",             "ascienceodyssey.html",      5, 10];
PBS_surv_sites[10] = ["/weta/thewest/",         "thewest.html",              5, 11];
PBS_surv_sites[11] = ["/wnet/colonialhouse/",   "colonialhouse.html",        5, 12];
PBS_surv_sites[12] = ["/wgbh/evolution/",       "evolution.html",            5, 13];
PBS_surv_sites[13] = ["/wnet/americanmasters/", "americanmasters.html",      5, 14];
PBS_surv_sites[14] = ["/lewisandclark/",        "lewisandclark.html",        5, 15];
PBS_surv_sites[15] = ["/pov/",                  "pov.html",                  5, 16];
PBS_surv_sites[16] = ["/wgbh/buildingbig/",     "buildingbig.html",          5, 17];
PBS_surv_sites[17] = ["/jazz/",                 "jazz.html",                 5, 18];
PBS_surv_sites[18] = ["/wnet/gperf/",           "greatperformances.html",    5, 19];
PBS_surv_sites[19] = ["/ktca/liberty/",         "liberty.html",              5, 20];

PBS_surv_sites.sort(function(a,b) { return b[0].length-a[0].length; });