Вывод категорий в развернутом виде

function catGetFullList()
{
	$res = array();
	$res[] = array( "categoryID" => 1, "parent" => null, 
					"name" => ADMIN_CATEGORY_ROOT, "level" => 0 );
	$q = db_query( "select categoryID, parent, name from ".CATEGORIES_TABLE.
				" where parent=1 ".
				" order by sort_order, name " );

	while( $row = db_fetch_row($q) )
	{
		$row["level"] = 1;
		$res[] = $row;
		$path = catCalculatePathToCategory( $row["categoryID"] );
		if ( count($path) > 1 )
		{
				$array = _recursiveGetCategoryCompactCList( $path, 2 );
				foreach( $array as $val )
					$res[] = $val;
		}
	}
	return $res;
}

<?php
	$out = catGetFullList();
	$smarty->assign( "categories_tree", $out );
?>

<?php
	// category navigation form
	if ( isset($categoryID) )
		$out = catGetCategoryCompactCList( $categoryID );
	else
		$out = catGetCategoryCompactCList( 1 );
	$smarty->assign( "categories_tree", $out );

?>

<?php
	// category navigation form
$out = catGetCategoryCList( );

$smarty->assign( "categories_tree", $out );
?>