anchor.diff:  
     </tr>
   
  -  <!--Quiz fields-->
  +  <!--Teammate reviews fields-->
     <tr>
       <td style='padding:5px' id='assignment_show_teammate_reviews'>
         <input name="assignment_form[assignment][show_teammate_reviews]" type="hidden" value="false"/>
  
positive.code:         jQuery('#assignment_numbers_of_quiz_field').attr('hidden', true);
        }
      }
    </script>
  
negative.code: 
      <td style='padding:5px' id='assignment_team_count_field' <%= 'hidden' if @assignment_form.assignment.max_team_size == 1%>>
        <%= label_tag('assignment_form[assignment][max_team_size]', 'Maximum number of members per team:') %>
        <%= text_field_tag('assignment_form[assignment][max_team_size]', @assignment_form.assignment.max_team_size, {:style => 'width:20px'}) %><br/>
        <!--assignment grades adjustment checkbox-->
        <%= check_box_tag('grades_adjustment', 'true', params[:grades_adjustment_checked], {:onChange => 'adjustGradesChanged()'}) %>
        <%= label_tag('grades_adjustment', 'Adjust students’ grades based on teammate evaluations?') %>
        <table id='assignment_grades_adjustment_table' <%= 'hidden' if !params[:grades_adjustment_checked]%>>
          <tr>
            <td>Offset: </td>
            <td><%= text_field :assigned, :thresh, :size=>10, :value=>20 %></td>
          </tr>
          <tr>
            <td>Redistribution Factor: </td>
            <td><%= text_field :assigned, :rfactor, :size=>10, :value=>0.5 %></td>
          </tr>
          <tr>
            <td>Maximum Deductable Points:  </td>
            <td> <%= text_field :assigned, :mpd, :size=>10, :value=>10 %></td>
          </tr>
          <tr>
            <td>use class average score as hardline?</td>
            <td><%= check_box :assigned, :ifclass, {}, true, false %></td>
          </tr>
          <tr>
            <td>Hardline: </td>
            <td><%= text_field :assigned, :hardline, :size=>10, :value=>85 %></td>
          </tr>
        </table>
      </td>
    </tr>
  
    <!--Quiz fields-->
    <tr>
      <td style='padding:5px' id='assignment_require_quiz_field'>
        <input name="assignment_form[assignment][require_quiz]" type="hidden" value="false"/>
        <%= check_box_tag('assignment_form[assignment][require_quiz]', 'true', @assignment_form.assignment.require_quiz, {:onChange => 'hasQuizChanged()'}) %>
        <%= label_tag('assignment_form[assignment][require_quiz]', 'Has quiz?') %>
      </td>
  
      <td style='padding:5px' id='assignment_numbers_of_quiz_field' <%= 'hidden' unless @assignment_form.assignment.require_quiz %>>
        <%= label_tag('assignment_form[assignment][num_quiz_questions]', 'Number of Quiz questions:') %>
        <%= text_field_tag('assignment_form[assignment][num_quiz_questions]', @assignment_form.assignment.num_quiz_questions, { :style => 'width:20px'}) %>
      </td>
    </tr>
  
    <tr>
      <td style='padding:5px' id='assignment_wiki_assignment_field'>
  