Вывод заголовка иерархии

/*
Вывод заголовка иерархии
*/
function head_term( $tid, $rootname )
{

function head_term( $tid )
{
 if  ( is_numeric($tid) )
{
   $terms = taxonomy_get_parents_all($tid);
   $termdata = taxonomy_get_term($tid);
  $vid=$termdata->vid;
   $dl = " » ";
  $navigate = '';
  foreach ( $terms as $term ) 
  { 
            if ( $navigate != '' ) 
           $link = l_nbsp ( $term->name, "taxonomy/term/$term->tid").$dl;
      else
            $link = $term->name;   
            $navigate = $link.$navigate ;
  }
 $out = voc_root(0);
                $root2 = voc_root($vid);
                if ( $root2 != '' ) $out .= $dl.$root2;
                $out .= $dl.$navigate;
 }
else
{
 $out = voc_root(0);
 $vid = -1;
}
  echo "
$out
";
 menu_voc($vid);
 }