var ancho = screen.width;
var banner = document.getElementById('sec_banner');
var seccion = banner.alt;

switch (seccion) {
	case "Quienes Somos Banner":
		var banner_name = "quienes";
		break;
	case "Contactos Banner":
		var banner_name = "contactos";
		break;
	case "Novedades Banner":
		var banner_name = "novedades";
		break;
	case "Informacion Tecnica Banner":
		var banner_name = "infotecnica";
		break;
	case "Productos Banner":
		var banner_name = "productos";
		break;
	case "Servicios Banner":
		var banner_name = "servicios";
		break;
	case "Distribuidores Banner":
		var banner_name = "distribuidores";
		break;
	case "Pesados Banner":
		var banner_name = "pesados";
		break;
	case "Distribuciones Banner":
		var banner_name = "distribuciones";
		break;
	case "El Grupo Banner":
		var banner_name = "grupo";
		break;
	case "Facorsa Export Banner":
		var banner_name ="export";
		break;
	case "Deportes Banner":
		var banner_name ="deportes";
		break;	
	default:
		break;
}

if (ancho == 800) {
	banner.src = 'http://www.facorsa.com/images/'+ banner_name +'-banner-small.jpg';
	banner.height = 140;
} else {
	banner.src = 'http://www.facorsa.com/images/'+ banner_name +'-banner.jpg';
}