Subform html bug. I clicked in "Criar outro" (add another) three times. https://github.com/activescaffold/active_scaffold/issues/296

subform.html

<li class="sub-form horizontal-sub-form  student_majors-sub-form" id="as_students-2-student_majors-subform">
    <h5>Cursos (<a class="visibility-toggle" href="#">Ocultar</a>)</h5>
<div id="as_students-2-student_majors-subform-div">
  <input id="record_student_majors_0" name="record[student_majors][0]" type="hidden" value="">
  <table id="as_students-2-student_majors-subform-list">
  <thead>
  <tr>
  </tr>
</thead>


  
  <tbody class="sub-form-record">
<tr class="association-record association-record-new locked" id="association-record_id_2_student_majors_1382804122459"></tr>
</tbody>

  <tbody class="sub-form-record">
<tr class="association-record association-record-new" id="association-record_id_2_student_majors_1382804134164"></tr>
</tbody><tbody class="sub-form-record">
<tr class="association-record association-record-new" id="association-record_id_2_student_majors_1382804145001"></tr>
</tbody><tbody class="sub-form-record">
<tr class="association-record association-record-new" id="association-record_id_2_student_majors_1382804147972"></tr>
</tbody><tfoot>
    
  </tfoot>
</table>

  <div class="footer-wrapper">
  <div class="footer">
    <a href="/students/2/edit_associated?child_association=student_majors&amp;parent_controller=students" class="as_create_another" data-remote="true" id="as_students-2-student_majors-subform-create-another" style="">Criar Outro</a>
    

    

  </div>
</div>
</div>

  </li>