function shuffleArray(array) {
  for (var i = array.length - 1; i > 0; i--) {
    var j = Math.floor(Math.random() * (i + 1));
    var temp = array[i];
    array[i] = array[j];
    array[j] = temp;
  }
  return array;
}

<script type="text/javascript" charset="utf-8">
 
  $(document).ready(function() {  
 
    // Identify this question
    var qID = {QID};
    var thisQuestion = $('#question'+qID);
 
    // First group of sub-question codes
    var sqCodes1 = ['SQ001', 'SQ002', 'SQ003'];
    // Second group of sub-question codes
    var sqCodes2 = ['SQ004', 'SQ005', 'SQ006'];
 
    // Shuffle the subquestions
    shuffleArray(sqCodes1);
    shuffleArray(sqCodes2);
 
    // Insert the rows in the shuffled order
    $(sqCodes1).each(function(i, val){
      $('.subquestions-list', thisQuestion).append($('.question-item[id$="X'+qID+val+'"]', thisQuestion));
    });
    $(sqCodes2).each(function(i, val){
      $('.subquestions-list', thisQuestion).append($('.question-item[id$="X'+qID+val+'"]', thisQuestion));
    });
  });
</script>

<script type="text/javascript" charset="utf-8">
 
  $(document).ready(function() {  
 
    // Identify this question
    var qID = {QID};
    var thisQuestion = $('#question'+qID);
 
    // First group of sub-question codes
    var sqCodes1 = ['SQ001', 'SQ002', 'SQ003'];
    // Second group of sub-question codes
    var sqCodes2 = ['SQ004', 'SQ005', 'SQ006'];
 
    // Shuffle the subquestions
    shuffleArray(sqCodes1);
    shuffleArray(sqCodes2);
 
    // Insert the rows in the shuffled order
    $(sqCodes1).each(function(i, val){
      $('table.subquestions-list', thisQuestion).append($('.answers-list[id$="X'+qID+val+'"]', thisQuestion));
    });
    $(sqCodes2).each(function(i, val){
      $('table.subquestions-list', thisQuestion).append($('.answers-list[id$="X'+qID+val+'"]', thisQuestion));
    });
  });
</script>

<script type="text/javascript" charset="utf-8">
 
  $(document).ready(function() {  
 
    // Identify this question
    var qID = {QID};
    var thisQuestion = $('#question'+qID);
 
    // First group of answer codes
    var answerCodes1 = ['A1', 'A2', 'A3'];
    // Second group of answer codes
    var answerCodes2 = ['A4', 'A5', 'A6'];
 
    // Shuffle the subquestions
    shuffleArray(answerCodes1);
    shuffleArray(answerCodes2);
 
    // Insert the rows in the shuffled order
    $(answerCodes1).each(function(i, val){
      $('.answers-list', thisQuestion).append($('.answer-item[id$="X'+qID+val+'"]', thisQuestion));
    });
    $(answerCodes2).each(function(i, val){
      $('.answers-list', thisQuestion).append($('.answer-item[id$="X'+qID+val+'"]', thisQuestion));
    });
  });
</script>

<script type="text/javascript" charset="utf-8">
 
  function shuffleArray(array) {
    for (var i = array.length - 1; i > 0; i--) {
      var j = Math.floor(Math.random() * (i + 1));
      var temp = array[i];
      array[i] = array[j];
      array[j] = temp;
    }
    return array;
  }
 
  $(document).on('ready pjax:scriptcomplete',function(){
 
    // Identify this question
    var qID = {QID};
    var thisQuestion = $('#question'+qID);
 
    var sqGroupIndexes = [1, 2, 3];
    // The groups of sub-codes
    var sqCodes = {
      1: ['1', '2', '3'],
      2: ['4','5', '6'],
      3: ['7','8']
    }
 
    // Shuffle the arrays
    shuffleArray(sqGroupIndexes)[1];
    shuffleArray(sqCodes[1]);
    shuffleArray(sqCodes[2]);
    shuffleArray(sqCodes[3]);
 
    // Loop though the randomized indexes
    $.each(sqGroupIndexes, function(index, val) {
      // Insert the rows in the shuffled order
      $.each(sqCodes[val], function(index, val){
        $('.answers-list[id$=X'+qID+val+']', thisQuestion).appendTo($('table.subquestion-list', thisQuestion));
      });
 
    });
  });
</script>