<script type="text/javascript" charset="utf-8">    
  $(document).ready(function() {
 
    // Identify this question
    var thisQuestion = $('#question{QID}');
 
    // Index the array columns
    $('table.subquestions-list tr', thisQuestion).each(function(i) {
      $('> *', this).each(function(i) {
        $(this).attr('data-index', i);
      });
    });
 
    // Insert a button
    var buttonText = 'Load Answers';
    $('.subquestions-list', thisQuestion).before('<button class="autofill" type="button">'+buttonText+'</button>');
 
    // Click event on the button
    $('button.autofill', thisQuestion).on('click', function(e) {
      // Loop through row 1 answers and load following rows
      $('tr.subquestion-list:first input[type="text"]', thisQuestion).each(function(i) {
        var thisIndex = $(this).closest('td.answer-item').attr('data-index');
        var thisValue = $(this).val();  
        $('td.answer-item[data-index="'+thisIndex+'"] input[type="text"]', thisQuestion).val(thisValue);
      });
    });
 
    });
</script>