fixed media insertion FS#2298

lib/scripts/media.js

@@ -135,7 +135,7 @@ var dw_mediamanager = {
      * @author Dominik Eckelmann <eckelmann@cosmocode.de>
      * @author Pierre Spring <pierre.spring@caillou.ch>
      */
-    insert: function () {
+    insert: function (id) {
         var opts, alignleft, alignright, edid, s;
 
         // set syntax options