Event.observe(window, 'load', function() {
	$$('a.link_desplegable').each (function(el) {
		Event.observe(el, 'click', function(event) {
			el = Event.findElement(event, 'a');
			$('ordenar').value = el.id;
			oculta('listado');
			setTimeout("$('orderbyform').submit();", 400);
		});
	});
});