将消息分类为：课程消息、项目消息等

app/views/users/_selector_for_messages.html.erb

@@ -2,13 +2,14 @@
   <div class="NewsBannerName"><%= title_for_message(params[:type]) %></div>
   <ul class="resourcesSelect">
     <li class="resourcesSelected"><a href="javascript:void(0);" class="resourcesIcon"></a>
-      <ul class="homepagePostType" style="width:125px; left:-125px;">
+      <ul class="homepagePostType" style="width:130px; left:-130px;">
         <li>
           <ul class="homepagePostTypeHomework fl" style="width:70px;">
             <li><%= link_to "全部",user_message_path(User.current), :class => "resourcesGrey" %></li>
             <li><%= link_to "未读消息", user_message_path(User.current, :type => 'unviewed'), :class => "resourcesGrey" %></li>
             <li><%= link_to "系统消息", user_system_messages_path(User.current), :class => "resourcesGrey" %></li>
 
+            <li class=""><strong>课程消息</strong></li>
             <li><%= link_to "作业消息", user_message_path(User.current, :type => 'homework'), :class => "resourcesGrey" %></li>
             <li><%= link_to "课程讨论",user_message_path(User.current, :type => 'course_message'), :class => "resourcesGrey"  %></li>
             <li><%= link_to "课程通知",user_message_path(User.current, :type => 'course_news'), :class => "resourcesGrey"  %></li>
@@ -17,12 +18,14 @@
         </li>
 
         <li>
-          <ul class="homepagePostTypeProject fl" style="width:55px;">
+          <ul class="homepagePostTypeProject fl" style="width:60px;">
+            <li class=""><strong>项目消息</strong></li>
             <li><%= link_to "项目任务", user_message_path(User.current, :type => 'issue'), :class => "resourcesGrey"  %></li>
             <li><%= link_to "项目讨论", user_message_path(User.current, :type => 'forge_message'), :class => "resourcesGrey"  %></li>
             <li><%= link_to "项目新闻", user_message_path(User.current, :type => 'forge_news'), :class => "resourcesGrey"  %></li>
             <li><%= link_to "用户申请", user_message_path(User.current, :type => 'apply'), :class => "resourcesGrey" %></li>
 
+            <li class=""><strong>其他</strong></li>
             <li><%= link_to "贴吧帖子", user_message_path(User.current, :type => 'forum'), :class => "resourcesGrey"  %></li>
             <%# 系统贴吧 %>
             <li><%= link_to "用户留言",user_message_path(User.current, :type => 'user_feedback'), :class => "resourcesGrey"  %></li>