Fixed thread update

boards/static/js/thread_update.js

@@ -68,7 +68,7 b' function updateThread() {'
                 }
 
                 post.appendTo(lastPost.parent());
-                processNewPost(post[0]);
+                processNewPost(post);
 
                 lastPost = post;
                 blink(post);
@@ -89,7 +89,7 b' function updateThread() {'
                 var oldPost = $('div.thread').children('.post[id=' + postId + ']');
                 
                 oldPost.replaceWith(post);
-                processNewPost(post[0]);
+                processNewPost(post);
 
                 blink(post);
             }
@@ -249,7 +249,7 b' function updateOnPost(response, statusTe'
  * Run js methods that are usually run on the document, on the new post
  */
 function processNewPost(post) {
-    addRefLinkPreview(post);
+    addRefLinkPreview(post[0]);
     highlightCode(post);
 }