博客回复，点击取消去掉回复框的内容

app/views/blog_comments/show.html.erb

@@ -164,7 +164,7 @@
           <div class="talkConIpt ml5 mb10" id="reply<%= @article.id %>">
             <%= form_for :blog_comment, :url => {:action => 'reply',:controller => 'blog_comments',:user_id=>@article.author.id,:blog_id=>@article.blog_id, :id => @article.id}, :html => {:multipart => true, :id => 'message_form'} do |f| %>
                 <%= render :partial => 'blog_comments/reply_form', :locals => {:f => f,:user=>@user,:article=>@article} %>
-                <%= link_to l(:button_cancel), "javascript:void(0)", :onclick => 'canel_message_replay();', :class => " grey_btn fr c_white mt10 mr5" %>
+                <%= link_to l(:button_cancel), "javascript:void(0)", :onclick => 'message_content_editor.html("");', :class => " grey_btn fr c_white mt10 mr5" %>
                 <%= link_to l(:button_submit), "javascript:void(0)", :onclick => 'submit_message_replay();', :class => "blue_btn fr c_white mt10", :style => "margin-right: 5px;" %>
             <% end %>
             <div class="cl"></div>