// Fix up the row classes
    var rowClass = 1;
    $('table.subquestions-list tbody tr', thisQuestion).[url=https://www.php.net/each]each[/url](function(i) {
      if($(this).hasClass('sub-header-row')) {
        rowClass = 1
      }
      else {
        rowClass++;
        $(this).removeClass('array1 array2')
        if(rowClass % 2 == 0) {
          $(this).addClass('array2');
        }
        else {
          $(this).addClass('array1');
        }
      }
    });
  });
</script>

    // Define the sub-heading text strings
    var subHeading1 = '<th></th><th>AA 1</th><th>AA 2</th><th>AA 3</th><th>AA 4</th><th>AA 5</th><th>AA 6</th><th>AA 7</th>';
    var subHeading2 = '<th></th><th>AB 1</th><th>AB 2</th><th>AB 3</th><th>AB 4</th><th>AB 5</th><th>AB 6</th><th>AB 7</th>';
    var subHeading3 = '<th></th><th>CA 1</th><th>CA 2</th><th>CA 3</th><th>CA 4</th><th>CA 5</th><th>CA 6</th><th>CA 7</th>';
 
    // Insert the new rows
    $('tr.answers-list:eq(0)', thisQuestion).before('<tr class="sub-header-row">'+subHeading1+'</tr>');  
    $('tr.answers-list:eq(1)', thisQuestion).before('<tr class="sub-header-row">'+subHeading2+'</tr>');  
    $('tr.answers-list:eq(2)', thisQuestion).before('<tr class="sub-header-row">'+subHeading3+'</tr>'); 

<script type="text/javascript" charset="utf-8">    
  $(document).ready(function() {  
 
    // Identify this question
    var thisQuestion = $('#question{QID}');
 
    // Define the sub-heading text strings
    var subHeading1 = '<th></th><th>gar nicht</th><th>etwas</th><th>mittelmäßig</th><th>sehr</th><th>extrem</th>';
    var subHeading2 = '<th></th><th>nie</th><th>selten</th><th>manchmal</th><th>häufig</th><th>immer</th>';
 
    // Insert the new rows
    $('tr.answers-list:eq(0)', thisQuestion).before('<tr class="sub-header-row">'+subHeading1+'</tr>');  
    $('tr.answers-list:eq(10)', thisQuestion).before('<tr class="sub-header-row">'+subHeading2+'</tr>');  
    $('tr.answers-list:eq(12)', thisQuestion).before('<tr class="sub-header-row">'+subHeading1+'</tr>');  
 
    // Fix up the row classes
    var rowClass = 1;
    $('table.subquestions-list tbody tr', thisQuestion).each(function(i) {
      if($(this).hasClass('sub-header-row')) {
        rowClass = 1
      }
      else {
        rowClass++;
        $(this).removeClass('array1 array2')
        if(rowClass % 2 == 0) {
          $(this).addClass('array2');
        }
        else {
          $(this).addClass('array1');
        }
      }
    });
  });
</script>
<style type="text/css">.sub-header-row {
    margin-bottom: 20px; 
  } 
  .sub-header-row th {
    background-color: #efefef; 
    color: #000000 !important; 
    text-align: center; 
  }
  tr.ls-heading {
    display:none;
  }
</style>