piler/webui/view/theme/default/templates/search/folder.tpl

<p class="bold"><?php print $text_folders; ?>:</p>

<div id="folders">


<?php foreach ($extra_folders as $folder) { ?>
   <blockquote class="folder">
      <form class="form-search sleek">
         <img src="<?php print ICON_EMPTY; ?>" width="12" height="12" alt="" /> <input type="checkbox" id="extra_folder_<?php print $folder['id']; ?>" name="extra_folder_<?php print $folder['id']; ?>" /> <input type="text" ondrop="Piler.copy_message_to_folder('<?php print $folder['id']; ?>', Piler.current_message_id, '<?php print $text_copied; ?>'); return false;" class="input-small bold" style="color: #850505; border:none; background: transparent; " value="<?php print $folder['name']; ?>" />
      </form>
   </blockquote>
<?php } ?>



<?php

function display_folders($arr = array(), &$i) {

?>
   <blockquote id="fldr_<?php print $i; ?>" class="folder">
<?php
   $i++;

   foreach($arr as $a) {
?>

      <?php if(count($a['children']) > 0) { ?>
         <a id="fldr_collapse_<?php print $i; ?>" href="#" onclick="Piler.close_folder(<?php print $i; ?>); return false;"><img src="<?php print ICON_MINUS; ?>" alt="" /></a>
         <a id="fldr_open_<?php print $i; ?>" href="#" onclick="Piler.open_folder(<?php print $i; ?>); return false;" style="display:none;"><img src="<?php print ICON_PLUS; ?>" alt="" /></a>
      <?php } else { ?> <img src="<?php print ICON_EMPTY; ?>" width="12" height="12" alt="" /> <?php } ?>
      <input type="checkbox" id="folder_<?php print $a['id']; ?>" name="folder_<?php print $a['id']; ?>" /> <?php print $a['name']; ?><br />

<?php
      if(count($a['children'])) { display_folders($a['children'], $i); }
   } 
?>

      </blockquote>
<?php
}
?>

<?php
      $i = 0;
      display_folders($folders_by_hier, $i);
?>


</div>