<script type="text/javascript" data-author="Tony Partner">
 
  $(document).on('ready pjax:scriptcomplete',function(){
 
    // Define the exclusive sub-question codes
    var exclusiveCodes = [
      'SQ001',
      'SQ002'
    ];
 
    // Identify this question
    var qID = '{QID}';
    var thisQuestion = $('#question'+qID);
 
    // Add some classes
    $.each(exclusiveCodes, function(i, code) {
      $(':checkbox[id$="X'+qID+code+'"]', thisQuestion).addClass('exclusive-input');
    });
 
    // Listener on the exclusive items
    $(':checkbox.exclusive-input', thisQuestion).on('change', function(e) {
       handleExclusive(thisQuestion);
    });
 
    // Returning to the page
     handleExclusive(thisQuestion);
  });
 
  // A function to handle the exclusive items
  function handleExclusive(thisQuestion) {
    $(':checkbox.exclusive-input', thisQuestion).prop('disabled', false);
 
    if($(':checkbox.exclusive-input:checked', thisQuestion).length > 0) {
      $(':checkbox.exclusive-input:not(:checked)', thisQuestion).prop('disabled', true);
    }
  }
</script>