<script type="text/javascript" charset="utf-8">  
$(document).ready(function(){ 
$( "<tbody ><tr class='array1'><th class='answertext' >New Label</th><td colspan='5'></tr>" ).insertBefore( "#javatbdxxxxxx" );
});
</script>

<script type="text/javascript" charset="utf-8">  
$(document).ready(function(){ 
$( "<tbody ><tr class='array1'><th class='answertext' >New Label</th><td>connaissance</td><td>contacts</td><td>partenariats</td><td>sans réponse</td></tr>" ).insertBefore( "#javatbdxxxxxx" );
});
</script>

<script type="text/javascript" charset="utf-8">  
  $(document).ready(function() {
 
    // Identify this question
    var thisQuestion = $('#question{QID}');
 
    // Create a new "sub-header" row
    var subHeader = $('table.subquestions-list thead tr:eq(0)', thisQuestion).clone();  
    $('td:eq(0)', subHeader).remove();
    subHeader.addClass('sub-header');
    subHeader.prepend('<th class="answertext">New Label</th>');  
 
    // Insert the new "sub-header" row
    $('#javatbdxxxxxx').after(subHeader);
  });    
</script>