<script type="text/javascript" charset="utf-8">
 
$(document).ready(function(){
 
var qID = 2768;
 
// Loop through the rows and check the first radio if none are already checked
$('#question'+qID+' table.question tbody tr').each(function(i) {
if($('input.radio:checked', this).length == 0) {
$('input.radio:eq(0)', this).attr('checked', true);
}
});
});
 
</script>

<script type="text/javascript" charset="utf-8">
  $(document).ready(function(){
 
    // Identify this question ID
    var qID = {QID};
 
    // Loop through the rows and check the first radio if none are already checked
    $('#question'+qID+' .table-array-radio tr.answers-list').each(function(i) {
      if($('input[type="radio"]:checked', this).length == 0) {
        $('input[type="radio"]:eq(0)', this).trigger('click');
      }
    });
  });
</script>