<script type="text/javascript" charset="utf-8">
 
  $(document).on('ready pjax:scriptcomplete',function(){
    // Identify this question
    var thisQuestion = $('#question{QID}');
 
    // Assign column-specific classes
    $('tr.subquestion-list', thisQuestion).each(function(i) {
      $('th, td', this).each(function(i) {
        $(this).addClass('column-'+i);
      });
    });
 
    // First column
    $('.answer-item.column-1  input:text', thisQuestion).attr('size', 200);
    // Second column
    $('.answer-item.column-2 input:text', thisQuestion).attr('size', 4);
 
    // Listener on column 2 inputs
    $('.answer-item.column-2 input:text', thisQuestion).on('keyup change', function(e) {
      var thisValue = $.trim($(this).val());
 
      // Strip out non-numerics characters
      newValue = thisValue.replace(/\D/g,'').replace(/,/g,'').replace(/\./g,'');
      $(this).val(newValue).trigger('change');
    });
  });
</script>

// Second column
$('.answer-item.column-2 input:text', thisQuestion).attr('maxlength', 3);

$('.answer-item.column-1  input:text', thisQuestion).attr('size', 200);