Merge pull request #368 from maxim-belkin/aio-fixes

aio.md: fix indentation and variable declaration

Author: rgaiacs

bin/boilerplate/aio.md

@@ -15,22 +15,22 @@
       xmlHttp[i] = new XMLHttpRequest();
       xmlHttp[i].episode = lesson_episodes[i];  /* To enable use this later. */
       xmlHttp[i].onreadystatechange = function() {
-      if (this.readyState == 4 && this.status == 200) {
-        var article_here = document.getElementById(this.episode);
-        var parser = new DOMParser();
-        var htmlDoc = parser.parseFromString(this.responseText,"text/html");
-        var htmlDocArticle = htmlDoc.getElementsByTagName("article")[0];
-        article_here.innerHTML = htmlDocArticle.innerHTML;
+        if (this.readyState == 4 && this.status == 200) {
+          var article_here = document.getElementById(this.episode);
+          var parser = new DOMParser();
+          var htmlDoc = parser.parseFromString(this.responseText,"text/html");
+          var htmlDocArticle = htmlDoc.getElementsByTagName("article")[0];
+          article_here.innerHTML = htmlDocArticle.innerHTML;
         }
       }
-      episode_url = "{{ relative_root_path }}" + lesson_episodes[i];
+      var episode_url = "{{ relative_root_path }}" + lesson_episodes[i];
       xmlHttp[i].open("GET", episode_url);
       xmlHttp[i].send(null);
     }
   }
 </script>
 {% comment %}
-Create anchor for each one of the episodes.
+Create an anchor for every episode.
 {% endcomment %}
 {% for episode in site.episodes %}
 <article id="{{ episode.url }}"></article>