删除课程留言前增加提示

app/views/courses/feedback.html.erb

@@ -79,7 +79,7 @@ function checkMaxLength() {
 							return false;"} %>
 			<% end %>
               <% if journal.delete_by_user?(User.current) %>
-				<%= link_to(l(:button_delete), {:controller => 'words', :action => 'destroy',  :object_id => journal, :user_id => journal.user}, :method => :delete,:remote => true)%>
+				<%= link_to(l(:button_delete), {:controller => 'words', :action => 'destroy',  :object_id => journal, :user_id => journal.user}, :method => :delete,:confirm => l(:text_are_you_sure),:remote => true)%>
 			<% end %>
 			</span> 
 		</span>