unified js for dtext previews

app/views/wiki_pages/_form.html.erb

@@ -3,25 +3,15 @@
 
   <%= simple_form_for(@wiki_page) do |f| %>
     <%= f.input :title %>
-    <%= f.input :body %>
+    
+    <%= render "dtext/form", :name => "Body", :input_id => "wiki_page_body", :input_name => "wiki_page[body]", :value => @wiki_page.body, :preview_id => "dtext-preview" %>
 
     <% if CurrentUser.is_janitor? %>
       <%= f.input :is_locked %>
     <% end %>
 
     <%= f.button :submit, "Submit" %>
-    <%= f.button :submit, "Preview" %>
+    <%= f.button :submit, "Preview", "data-input-id" => "wiki_page_body", "data-preview-id" => "dtext-preview" %>
   <% end %>
 </div>
 
-<div id="form-aside">
-  <div id="preview">
-    <div class="content dtext">
-      
-    </div>
-    <p><a href="#" name="toggle-preview">Hide</a></p>
-  </div>
-  <div id="dtext-help">
-    <%= render "dtext/help" %>
-  </div>
-</div>

app/views/wiki_pages/edit.html.erb

@@ -3,7 +3,7 @@
     <%= render "sidebar" %>
     
     <section id="content">
-      <h1>Edit Wiki Page: <%= @wiki_page.title %></h1>
+      <h1>Edit Wiki Page</h1>
       <%= render "form" %>
     </section>
   </div>