Bug 1700689: fixed tagged posts "Add" button throwing exception

Add button functionality got broken when we removed Mochikit

behatnotneeded

Change-Id: Ibe5b26e0f314a6a69f0dee8d9d6b672fafbdb5d2

htdocs/artefact/blog/blocktype/taggedposts/js/taggedposts.js

@@ -7,11 +7,11 @@ var addNewTaggedPostShortcut = (function($) {
                   var p = $(this).closest('div.shortcut');
                   var selectedBlog = p.find('select.select').first();
                   var currentTag = p.find('input.select').first();
-                  var BlogIDInput = $('<input>', {'name': 'blog', 'type': 'text', 'value': selectedBlog.value});
-                  var TagInput = $('<input>', {'name': 'tagselect', 'type': 'text', 'value': currentTag.value});
-                  var myForm = $('<form>', {'action': config.wwwroot + 'artefact/blog/post.php', 'method': 'POST'})
-                    .append(BlogIDInput, TagInput);
-                  document.body.appendChild(myForm);
+                  var BlogIDInput = $('<input>', {'name': 'blog', 'type': 'text', 'value': selectedBlog[0].value});
+                  var TagInput = $('<input>', {'name': 'tagselect', 'type': 'text', 'value': currentTag[0].value});
+                  var myForm = $('<form>', {'action': config.wwwroot + 'artefact/blog/post.php', 'method': 'POST'});
+                  myForm.append(BlogIDInput[0], TagInput);
+                  document.body.appendChild(myForm[0]);
                   myForm.submit();
               });
           }