var lang = {
sunday: "Domingo",
monday: "Lunes",
tuesday: "Martes",
wednesday: "Miércoles",
thursday: "Jueves",
friday: "Viernes",
saturday: "Sábado",
january: "Enero",
february: "Febrero",
march: "Marzo",
april: "Abril",
may: "Mayo",
june: "Junio",
july: "Julio",
august: "Agosto",
september: "Septiembre",
october: "Octubre",
november: "Noviembre",
december: "Diciembre",
error: "Error",
ok: "OK",
cancel: "Cancelar",
next: "Siguiente",
previous: "Anterior",
close: "Cerrar"
};