<script type="text/javascript" charset="utf-8">
 
  $(document).ready(function() {
 
    function shuffleQuestions() {
 
      // Create an array to hold question IDs
      var qArray = new Array();
 
      // Find the group ID of the page
      var fieldNames = $( 'input#fieldnames' ).attr('value');
      var tmp = fieldNames.split('X');
      var sID = tmp[0];
      var gID = tmp[1];
 
      // A function to get the value of a cookie by name
      function getCookie ( cookieName ) {
          var results = document.cookie.match ( '(^|;) ?' + cookieName + '=([^;]*)(;|$)' );
        if ( results ) {
          return ( unescape ( results[2] ) );
        }
        else {
          return null;
        }
      }
 
      // Get the session name
      var sessionName = getCookie ( 'PHPSESSID' );
 
      // Check to see if the question order has already been shuffled in this session
      var cookieArray = getCookie ( 'sArray' + gID + '_' + sessionName );
 
      // If already shuffled, use that question order
      if ( cookieArray ) {
        //qArray = $.trim(cookieArray);
        qArray = cookieArray.split(',');
      }
      // If not, go ahead and shuffle
      else {
        // Load the IDs of all questions on the page into the array 
        $( 'div[id^="question"]' ).each(function(i) {
          qArray.push($( this ).attr('id'));
        });
 
        // Shuffle the questions array
        function shuffle(o){
          for(var j, x, i = o.length; i; j = parseInt(Math.random() * i), x = o[--i], o[i] = o[j], o[j] = x);
          return o;
        }      
        shuffle(qArray);
 
        // Set a cookie with the value of the shuffled array
        var today = new Date();
        today.setTime( today.getTime() );
        var expires = 2 * 1000 * 60 * 60 * 24; // Expire the cookie in 2 days
        var expiresDate = new Date( today.getTime() + (expires) );
        document.cookie = 'sArray' + gID + '_' + sessionName + '=' + qArray + ';expires=' + expiresDate.toGMTString();
      }
 
      // Wrap the questions in a div
      $( 'div[id^="question"]' ).wrapAll( document.createElement('div') );
      $( 'div[id^="question"]:eq(0)' ).parent().attr('id', 'qWrapper');
      $( 'div#qWrapper' ).css({
        'padding':0,
        'margin':0
      });  
 
      // Insert the questions into the wrapper in the shuffled order
      $.each(qArray, function(i, val){
        $( 'div#' + val + '' ).appendTo( $( '#qWrapper' ) );
      });
 
    }
 
    shuffleQuestions();
 
  });
 
</script>