Before	After

<style type="text/css">
 .ts-indicator { display: inline-block; float: right; cursor: pointer; }
</style>
<script type="text/javascript">
$(document).ready(function(){
 var ts = $('.gpWidget-tradeskills');
 if (ts.length){
  ts.find('.StyledListHeader')
   .append('<span class="ts-indicator">[<span class="ts-status">-</span>]</span>').parent()
   .addClass('StyledListHeaderRow')
   .click(function(){
    var rows = $(this).nextUntil('.StyledListHeaderRow').toggle();
    $(this).find('.ts-status').html( rows.is(':hidden') ? '-' : '+' );
   })
   .nextUntil('.StyledListHeaderRow').hide();
 }
});
</script>