anchor.diff:        <%= label_tag('assignment_form[assignment][availability_flag]', 'Available to students?') %>
       </td>
     </tr>
  -  <!--Quiz fields-->
  +
   
     <tr>
       <td style='padding:5px' id='assignment_is_coding_assignment_field'>
  
positive.code:       <%= check_box_tag('assignment_form[assignment][is_coding_assignment]', 'true', @assignment_form.assignment.is_coding_assignment, {:onchange => 'is_coding_assignmentChanged()'}) %>
        <%= label_tag('assignment_form[assignment][is_coding_assignment]', 'Is code submission required?') %>
      </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'}) %>
  
negative.code: 
  
      function hasQuizChanged() {
        if (jQuery('#assignment_form[assignment][require_quiz]').is(':checked')) {
          jQuery('#assignment_numbers_of_quiz_field').removeAttr('hidden');
        } else {
          jQuery('#assignment_numbers_of_quiz_field').attr('hidden', true);
  