function getFrameID(id) {
  var elem = document.getElementById(id);
  if (elem) {
      if (/^iframe$/i.test(elem.tagName)) return id; //Frame, OK
      // else: Look for frame
      var elems = elem.getElementsByTagName("iframe");
      if (!elems.length) return null; //No iframe found, FAILURE
      for (var i = 0; i < elems.length; i++) {
          if (/^https?:\/\/(?:www\.)?youtube(?:-nocookie)?\.com(\/|$)/i.test(elems[i].src)) break;
      }
      elem = elems[i]; //The only, or the best iFrame
      if (elem.id) return elem.id; //Existing ID, return it
      // else: Create a new ID
      do { //Keep postfixing `-frame` until the ID is unique
          id += "-frame";
      } while (document.getElementById(id));
      elem.id = id;
      return id;
  }
  // If no element, return null.
  return null;
}

// Define YT_ready function.
var YT_ready = (function() {
  var onReady_funcs = [],
      api_isReady = false;
	/* @param func function     Function to execute on ready
       * @param func Boolean      If true, all qeued functions are executed
       * @param b_before Boolean  If true, the func will added to the first
                                   position in the queue*/
  return function(func, b_before) {
      if (func === true) {
          api_isReady = true;
          for (var i = 0; i < onReady_funcs.length; i++) {
              // Removes the first func from the array, and execute func
              onReady_funcs.shift()();
          }
      }
      else if (typeof func == "function") {
          if (api_isReady) func();
          else onReady_funcs[b_before ? "unshift" : "push"](func);
      }
  }
})();
// This function will be called when the API is fully loaded

function onYouTubePlayerAPIReady() {
  YT_ready(true)
}

var players = {};
//Define a player storage object, to enable later function calls,
//  without having to create a new class instance again.
YT_ready(function() {
    jQuery(".coverimage + iframe[id]").each(function() {
        var identifier = this.id;
        var frameID = getFrameID(identifier);
        if (frameID) { //If the frame exists
          players[frameID] = new YT.Player(frameID, {
            events: {
              "onReady": createYTEvent(frameID, identifier)
            }
          });
        }
    });
});


// Returns a function to enable multiple events
function createYTEvent(frameID, identifier) {
    return function (event) {
        var player = players[frameID]; // player object
        var the_div = jQuery('#'+identifier).parent();
        the_div.children('.coverimage').click(function() {
            var $this = jQuery(this);
            $this.fadeOut().next().addClass('play');
            if ($this.next().hasClass('play')) {
                player.playVideo();
            }
            setTimeout(doSomething, 700);
            function doSomething() {
	        	jQuery('#'+frameID).show();
	        };
        });
    }
}


// Load YouTube Frame API
(function(){ //Closure, to not leak to the scope
  var s = document.createElement("script");
  s.src = "https://www.youtube.com/player_api"; /* Load Player API*/
  var before = document.getElementsByTagName("script")[0];
  before.parentNode.insertBefore(s, before);
})();