Fixed toggling bug adding multiple identical videos

Toggling an element that has a video could insert that video multiple
times if toggled during the hide animation. We have to guard against
this, making sure a video is only inserted once.

package.json

@@ -1,7 +1,7 @@
 {
   "name": "strip",
   "title": "Strip",
-  "version": "1.1.0",
+  "version": "1.1.0.1",
   "description": "A Less Intrusive Responsive Lightbox",
   "author": {
     "name": "Nick Stakenburg",

src/js/page.js

@@ -237,6 +237,12 @@ $.extend(Page.prototype, {
 
 
   insertVideo: function(callback) {
+    // don't insert a video twice
+    if (this._videoInserted) {
+      if (callback) callback();
+      return;
+    }
+
     switch (this.view.type) {
       case 'vimeo':
         var playerVars = $.extend({}, this.view.options.vimeo || {}),
@@ -266,6 +272,8 @@ $.extend(Page.prototype, {
         if (callback) callback();
         break;
     }
+
+    this._videoInserted = true;
   },