function askRenfe($url)
{
	$ch = curl_init($url); 
	curl_setopt($ch, CURLOPT_HEADER, 0);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	$pagina= curl_exec($ch);
	curl_close($ch);

	$bodypos= stristr($pagina, "</head>");
	$rawbody= strip_tags(stristr($pagina, $bodypos));
	$rawbody= stristr($rawbody, "DISCAPACITADOS");
	$rawbody= substr($rawbody, strlen("DISCAPACITADOS"));
	$endpos= strpos($rawbody, "Los precios");
	$rawbody= substr($rawbody, 0, $endpos);

	$lines= explode("reservar", $rawbody);


	$timetable= array();
	foreach ($lines as $line)
	{
		if (trim($line)=="") continue;

		if (!preg_match("/(\d\d\d\d\d)\s+([\w-]+)\s+(\d\d:\d\d)(\d\d:\d\d)\s+([DIAROLMXJVS]+)\s+del\s+(\d\d-\d\d-\d\d\d\d)\s+al\s+(\d\d-\d\d-\d\d\d\d)\s+Turista([\d\.]+)/", $line, $fields))
			preg_match("/(\d\d\d\d\d)\s+([\w-]+)\s+(\d\d:\d\d)(\d\d:\d\d)\s+(\d\d-\d\d-\d\d\d\d)[\w\(\)\s]+Turista([\d\.]+)/", $line, $fields);
		unset($fields[0]);
		if (count($fields)==6){
			$euros= $fields[6];
			$fields[7]= "";
			$fields[6]= "";
			$fields[8]= $euros;
		}

		$timetable[]= @array_combine(array("code","type","start","end","frecuency","from","to","price"), $fields);
	}	
	
	return $timetable;
}