Improved version, including: - HD - sorted list for easier track choosing like 6*.(pdf|mov) => only media track (Safari, Webkit, iBooks, …)

gistfile1.js

(function() {
  var ps = document.getElementsByTagName("p");
  var sd = [];
  var hd = [];
  var pdf = [];
  for (var i = 0; i < ps.length; i++) {
    var p = ps[i];
    if (p.getAttribute("class") == "download") {
      var as = p.getElementsByTagName("a");
      for (var j = 0; j < as.length; j++) {
        var a = as[j];
        if (a.innerText == 'SD') {
          sd.push(a.href);
        } else if (a.innerText == 'PDF') {
          pdf.push(a.href);
        } else if (a.innerText == 'HD') {
          hd.push(a.href);
        }
      }
    }
  }
  console.log("sd: " + sd.length + ":\n" + sd.sort().join("\n"));
  console.log("hd: " + hd.length + ":\n" + hd.sort().join("\n"));
  console.log("pdf: " + pdf.length + ":\n" + pdf.sort().join("\n"));
})();