Download eSnips Mp3 Songs & Videos

// ==Userscript==
// @name      Download esnips Mp3 Songs & Videos
// @author      Rewritten by Phanboy - Original by Umakanthan Chandran
// @namespace      http://www.tc.umn.edu/~phanx068/
//
@description Download mp3 songs and videos from esnips.com - modified
to make it integrate seamlessly within esnips. Download link now shows
up on ALL pages & now SEARCH results!
// @include      http://*esnips.com/*
// ==/Userscript==
////////////////// DO NOT EDIT BELOW //////////////////
var source_location = "http://userscripts.org/scripts/show/16714";
var current_version = "2.3.2";
var latest_version = " ";
var gm_updateparam = "phanboy_esnips_lastupdatecheck";
var lastupdatecheck = GM_getValue(gm_updateparam, "never");
function popBox(el) {
   var a = document.createElement('a');
   a.setAttribute('class','image-link');
   a.setAttribute('id','share');
   a.setAttribute('href','javascript:void(0)');
   a.setAttribute('style','font-size:10px');
   a.innerHTML = 'Feedback';
a.addEventListener('click',function () {
window.open("http://www.tc.umn.edu/~phanx068/home/popup.php","Phanboy","width=320,height=500,toolbar=no,scrollbars=yes,status=no,resizable=no");
},false);
   el.appendChild(a);
}
function GetNewVersion(el) {
   var a = document.createElement('a');
   a.setAttribute('class','image-link');
   a.setAttribute('id','flag');
   a.setAttribute('href',source_location);   
   a.setAttribute('target','_blank');
   a.innerHTML = 'New version!';
   a.addEventListener('click',function () { var today = new Date(); GM_setValue(gm_updateparam, String(today)); },false);
   el.appendChild(a);
}
function CheckForUpdate() { 
   var today = new Date();
   var one_min = 60 * 1000;
   if (lastupdatecheck != "never") {
      var t = today.getTime();
      var luc = new Date(lastupdatecheck).getTime();
      var interval = ((t - luc)/one_min);
      if (interval >= 10)
         checkVersion();
   }
   else {
      checkVersion();
   }
}
function checkVersion() {
   GM_xmlhttpRequest({
          method: 'GET',
          url: source_location,
          headers: {
         'User-agent': 'Mozilla/4.0',
         'Accept': 'text/html',
          },
        onload: function(e) {
         var page = document.createElement("body");
         page.innerHTML += e.responseText;
         var content = page.getElementsByTagName("div");
         var latest_version = content[16].innerHTML;
         if(current_version != latest_version && latest_version != "undefined")
         {
            findPlace("div", "options", "options", GetNewVersion);
         }
         else if (current_version == latest_version) {
            var today = new Date();
            GM_setValue(gm_updateparam, String(today));
         }
      }
     });
}
function addLink(el, t){
   var url = el.getElementsByTagName("a")[0].href.split("/")[4];
   var ninfo = document.createElement("div");
   el.appendChild(document.createElement("br"));
   ninfo.setAttribute('class', 'options');
   insertLink(ninfo, url, t);
   el.appendChild(ninfo);
   return true;
}
function findPlace(tag, class, class2, func) {
   var TF = new Array();
   var fx = func;
   var els = document.getElementsByTagName(tag);
   var o = 0;
   for (i = 0; i < els.length; i++) {
      var el = els[i];
      if (el.getAttribute('class') == class || el.getAttribute('class') == class2) {
         TF[o++] = fx(el, el.getAttribute('class'));
      }
   }
if (TF == undefined)
   return false;
   else
   return TF;
}
function include_css(css_file) {
   var css = document.createElement('link');
   css.setAttribute('rel', 'stylesheet');
   css.setAttribute('type', 'text/css');
   css.setAttribute('href', css_file);
   document.getElementsByTagName('head')[0].appendChild(css);
}
function addDL(el, t) {
    var pattern = new RegExp('\\bM[A-Z,3]* W[a-z]*\\b');
   if (pattern.test(document.body.innerHTML) && t == "info-block options")
      var t = "audioThumb";
   var url = document.getElementById("share").href.split("/")[5];
   var oDL = document.getElementById("download");
   if (oDL != null) return false;
   insertLink(el, url, t);
   inel = el.getElementsByTagName("div");
   el.appendChild(inel[0]);
   return false;
}
function insertLink(n, link, t) {
   var a = document.createElement('a');
   a.setAttribute('class','image-link');
   a.setAttribute('id','download');
   a.setAttribute('href','javascript:void(0)');
   if (t != "audioThumb")
   a.setAttribute('href','http://www.esnips.com/nsdoc/' + link);
   else
a.addEventListener('click',function () {
GM_openInTab('http://www.esnips.com/nsdoc/' + link + '/ts_id/' + new
Date().getTime() + '/ns_flash/file88.mp3') },false);
   a.innerHTML = 'Download';
   n.appendChild(document.createElement('br'));
   n.appendChild(a);
}
function getEl(el) {
   return el;
}
include_css("http://www.esnips.com/viewdocument/style15.css");
if (findPlace("div", "info-block options", "info-block options", addDL) == false)
   findPlace("div", "fileThumb", "audioThumb", addLink);
findPlace("div", "options", "options", popBox);
CheckForUpdate();