$node = node_load($data->nid);
if ($node->language == 'hu'){
  $otherlang = 'en' ; }
else {
  $otherlang = 'hu' ;
}
$row = array();
if (!($node->tnid == 0)) { 
  $query = 'SELECT nid FROM node WHERE tnid = ' .$node->tnid .' AND language = "' .$otherlang .'"';
  $result = db_query($query) ;
  while ($row  =  db_fetch_array($result) )  {
    $nids[] = $row['nid'];
  }
$tnode = node_load($nids[0]);
print '<a href="/node/' .$tnode->nid .'">' .$tnode->title  .'</a>';
}
else {
$translate_url = '/node/add/' . $data->node_type  .'?translation=' .$data->nid .'&language=' .$otherlang; 
  print '<a href="' .$translate_url .'">' .t('Add translation: ') .$otherlang .'</a>';
}