Soundcloud/Youtube Pausing Interaction

HTML

<script src="https://w.soundcloud.com/player/api.js"></script>
<span class="soundcloud_embed" id="soundcloud_post_312">
  <iframe id="ui-id-1" width="100%" height="166" scrolling="no" frameborder="no" src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/163100334&amp;color=%23ff5500&amp;auto_play=false&amp;hide_related=false&amp;show_comments=true&amp;show_user=true&amp;show_reposts=false&amp;show_teaser=true&amp;visual=false"></iframe>
</span>

<span class="youtube_embed" id="youtube_post_309">
  <iframe id="ui-id-2" width="528" height="190" src="//www.youtube.com/embed/Y3CYKXBEtf0" frameborder="0" allowfullscreen></iframe>
</span>

JavaScript

var playerCurrentlyPlaying = {
     "api": null,
     "frameID": null
 };
 var players = {
     "yt": {},
     "sc": {}
 };

function onYouTubeIframeAPIReady() {
     $(".youtube_embed iframe").each(function () {
         players["yt"][$(this).attr('id')] = new YT.Player($(this).attr('id'), {
             events: {
                 'onStateChange': onYTPlayerStateChange
             }
         });
     });
 }

 (function () {
     $(".soundcloud_embed iframe").each(function () {
         var frameid = $(this).attr('id');
         players["sc"][frameid] = {};
         players["sc"][frameid] = {
             "widget": SC.Widget(document.getElementById(frameid)),
                 "firstplay": true
         };
         players["sc"][frameid]["widget"].bind(SC.Widget.Events.READY, function () {
             players["sc"][frameid]["widget"].bind(SC.Widget.Events.PLAY, function () {
                 onSCPlay(frameid, SC.Widget.Events.PLAY);
             });
             players["sc"][frameid]["widget"].bind(SC.Widget.Events.PLAY_PROGRESS, function () {
                 onSCPlay(frameid, SC.Widget.Events.PLAY_PROGRESS);
             });
         });
     });
 }());

 pauseCurrentPlayer = function () {
     var api = playerCurrentlyPlaying["api"],
         frameid = playerCurrentlyPlaying["frameID"];

     switch (api) {
         case "yt":
             players[api][frameid].stopVideo();
             break;
         case "sc":
             players[api][frameid]["widget"].stop();
             break;
     }
 };

 onYTPlay = function (frameid) {
     if (playerCurrentlyPlaying["frameID"] != frameid && playerCurrentlyPlaying["frameID"] != null) {
         pauseCurrentPlayer();
     }
     playerCurrentlyPlaying["api"] = "yt";
     playerCurrentlyPlaying["frameID"] = frameid;
 };

 onSCPlay = function (frameid, event) {
     if (event == SC.Widget.Events.PLAY || players["sc"][frameid]["firstplay"] == true) {
         if (playerCurrentlyPlaying["api"] == "yt") { // because any...