anchor.diff:      <%= form.label :slug,'英文标题：'%> <%= form.text_field :slug,:size => 40%>
     </p>
     <p>
  -    <%= form.label :content,'正文：'%> <%= form.text_area :content, :style => "width:600px;height:500px;"%>
  +    <%= form.label :content,'正文：'%> <%= form.text_area :content, :id=>"area1", :style => "width:600px;"%>
     </p>
     <div style="clear:both;padding:0 20px;text-align:right">
       <%= form.submit '确定'%>
  
positive.code: <%= form_for @blog do |form| %>
    <%= form.hidden_field :user_id, :value => current_user.id %>
    <p>
  
negative.code:   </div>
  <% end %>
  
  <% content_for :extension do %>
    <script type="text/javascript">
      bkLib.onDomLoaded(function() {
      	new nicEditor().panelInstance('area1');
      });
    </script>
  <% end %>