function validar(b_frm) {
if (b_frm.ss.value == "Par\u00eds" || b_frm.ss.value == "par\u00eds" || b_frm.ss.value == "paris" || b_frm.ss.value == "Paris") {
b_frm.ss.value = "";
b_frm.city.value = "-1456928";
}
else if (b_frm.ss.value == "tarragona" || b_frm.ss.value == "Tarragona") {
b_frm.ss.value = "";
b_frm.city.value = "-403902";
}
return (true);

}