try2

js/youtube.js

@@ -36,31 +36,34 @@ $(document).ready(function(){
 		var span = $("<span>[Embed]</span>");
 		var spanProxy = $("<span>[Proxy]</span>");
     var defaultEmbed = location.hostname.includes("onion") ? ONION : YOUTUBE;
-		var embedNode = function(embedHost) {
+		var makeEmbedNode = function(embedHost) {
       $('<iframe style="float:left;margin: 10px 20px" type="text/html" '+
 				'width="360" height="270" src="//' + embedHost + '/embed/' + videoId +
 				'?autoplay=1&html5=1" allowfullscreen frameborder="0"/>');
     }
+    var embeddedNode = null;
 		videoNode.click(function(e) {
 		    	e.preventDefault();
 
 			if (span.text() == ON){
 				videoNode.append(contents);
-				embedNode.remove();
+				embeddedNode.remove();
 				span.text(OFF);
         spanProxy.hidden = false;
 			} else{
+        embeddedNode = makeEmbedNode(defaultEmbed);
 				contents.detach();
-				videoNode.append(embedNode(defaultEmbed));
+				videoNode.append(embeddedNode);
 				span.text(ON);
         spanProxy.hidden = true;
 			}
 		});
 
 		spanProxy.click(function(e) {
+      embeddedNode = makeEmbedNode(PROXY);
       e.preventDefault();
       contents.detach();
-      videoNode.append(embedNode(PROXY));
+      videoNode.append(embeddedNode);
       span.text(ON);
       spanProxy.hidden = true;
 		});