public function render(sfNavBuilder $menu)
 {
     $ret = '';
     foreach ($menu->getItems() as $item) {
         $ret .= $this->renderItem($item);
     }
     return $ret;
 }
 public function render(sfNavBuilder $menu)
 {
     $ret = '';
     foreach ($menu->getItems() as $item) {
         $ret .= '<li><a class="' . ($item->isActive() ? 'selected' : '') . '" href="' . $item->getUrl() . '">' . $item . '</a></li>';
         if ($item->hasChildren() && $item->isActive()) {
             $ret .= '<li><ul id="subnavlist">';
             foreach ($item->getChildren() as $child) {
                 $ret .= '<li><a class="' . ($child->isActive() ? 'subSelected' : '') . '" href="' . $child->getUrl() . '">' . $child . '</a></li>';
             }
             $ret .= '</ul></li>';
         }
     }
     return $ret;
 }