function ordenarArticulos(campo,orden) {
	var ajax=nuevoAjax();
	ajax.open("GET","inc/funciones.ajax.php?func=ord_art&campo=" + campo + "&orden=" + orden);
	ajax.onreadystatechange=function() {
		if (ajax.readyState==4) {
			if (ajax.responseText != '') {
				location.href = location.href;
			}
		}
	}
	ajax.send(null);
}