function confirmar(){return confirm("¿Estasseguro?");}function Open(URL,Nombre,Ancho,Alto){	msgWindow=window.open(URL,Nombre,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,copyhistory=1,top=10,left=10,width='+Ancho+',height='+Alto);}function Cerrar(){window.close();}function nada(){}