<% hero_homework_scores = hero_homework_score(course, "desc") %>
<% unless hero_homework_scores.map(&:score).detect{|s| s.to_i != 0}.nil? %>
    <ul class="rankList">
      <h4><span>课程英雄榜</span>
        <a class="contributor_course" onmouseover ="message_titile_show2($(this),event)" onmouseout ="message_titile_hide2($(this))" style="cursor:pointer;">积分规则</a></h4>
      <div  style="cursor:pointer;" class="numIntro undis">
        <div class="hero-degree-rule">积分规则<br/>
          英雄榜的得分是每个同学作业的得分总和
        </div>
      </div>
      <% hero_homework_scores.each do |student_score| %>
          <% if student_score.score.to_i != 0 %>
              <li> <a href="javascript:void:(0);"><%=link_to image_tag(url_to_avatar(student_score.user), :width => "35", :height => "35", :class=> "rankPortrait"),user_path(student_score.user) %></a>
                <p><a href="javascript:void:(0);"><%=link_to student_score.user.show_name, user_path(student_score.user), :title => student_score.user.show_name %></a></p>
                <p><span class="c_red" style="cursor:pointer" ><%= student_score.score<0 ? 0 : student_score.score.to_i %></span></p>
              </li>
          <% end %>
      <% end %>
      <div class="cl"></div>
    </ul>
<% end %>