Someone

function strom($id = 0, $level = 0)
	{
		$db = new db();
		$dotaz = "SELECT `id`, `nazevSeo`, `nazevUkaz`, `predchoziId` FROM `clanky` WHERE `predchoziId` = " . $id . " ORDER BY `id` ASC";
		//echo $dotaz;
		$v = $db->q($dotaz);
		static $vrat;
		if(is_array($v))
			{
				foreach($v as $key => $foo)
					{
						$vrat .= str_repeat("&nbsp;", $level) . $foo['nazevUkaz'] . "<br>\n";
						strom($foo['id'], $level++);
					}
				
				
			}
		elseif($v === true)
			{
				
			}
		else
			{
				trigger_error(HLAVA . $v, E_USER_WARNING);
			}
		return $vrat;	
	}