//Revisa si el país es República Dominicana
function revisarCiudad(form_name){
	pais = form_name.country.value;
	if (pais == "DO") {
		MostrarCiudadesDominicanas(form_name);
	} else { 
		form_name.city.value = "";
		form_name.city_DO.value = "";
		MostrarTextBoxCiudad(form_name); 
	}
}
//Muestra las ciudades de República Dominicana
function MostrarCiudadesDominicanas(form_name){
	document.getElementById('CiudadDominicana').style.display = "";
	document.getElementById('Ciudad').style.display = "none";
	form_name.city.disabled = "true";
	form_name.city_DO.disabled = "";
}
//Muestra un texbox para las ciudades
function MostrarTextBoxCiudad(form_name){
	document.getElementById('CiudadDominicana').style.display = "none";
	document.getElementById('Ciudad').style.display = "";
	form_name.city.disabled = "";
	form_name.city_DO.disabled = "true";
}