<script type="text/javascript" charset="utf-8">
  $(document).ready(function(){
    $('#question{QID} input[type="radio"]').on('change', function(event) {
          var radioList = $(this).closest('.radio-list');
    $("html, body").animate({ scrollTop: radioList.next('.radio-list').offset().top-100}, 1000);
    return true;
    });
  });
</script>

<script type="text/javascript" charset="utf-8">
  $(document).on('ready pjax:scriptcomplete',function(){
    $('#question{QID} input[type="radio"]').on('click', function() {
      var thisRow = $(this).closest('tr');
      if($(thisRow).next('tr').length > 0) {
 
        var topMargin = 100;
 
        $('html, body').animate(
          { scrollTop: $(thisRow).next('tr').offset().top-topMargin }, 
          1000
        );
      }
    });
    });
</script>