$_REQUEST['page'] = !empty($_REQUEST['page']) ? $_REQUEST['page'] : 'home';
require_once( dirname(__FILE__) . '/html_open.html');
?>
require_once( dirname(__FILE__) . '/header.html');
require_once( dirname(__FILE__) . '/subheader.html');
require_once( dirname(__FILE__) . '/navegacion.html');
require_once( dirname(__FILE__) . '/'.$_REQUEST['page'].'.html');
require_once( dirname(__FILE__) . '/pie.html');
?>
require_once( dirname(__FILE__) . '/html_close.html');
?>