function checkCity() {
	var city = document.getElementById("city").value;
	var city_err_code = false;		// local err code
//alert ("City "+city);
	if (isEmpty(city)) {
		city_err_code = false;		// local err code
	} else {
		if (!isAlpha(city)) {
			city_err_code = true;	// local err code
		}
	}
//alert ("City err "+city_err_code);
	if (!city_err_code) {			// no error
		document.getElementById("city").className="valid";
		document.getElementById("city_err").className="no-err";
		document.getElementById("city_err").value ="";
		cityValid = true;
		return true;
	} else {
		document.getElementById("city").className="invalid";
		document.getElementById("city_err").className="err";
		document.getElementById("city_err").value =err_city;
		cityValid = false;
		return false;
	}
}

function checkCountry() {
	var ctry_n = document.getElementById("ctry_n").value;
	var ctry_n_err_code = false;		// local err code
//alert ("ctry_n "+ctry_n);
	if (isEmpty(ctry_n)) {
		ctry_n_err_code = true;		// local err code
	} else {
		if (!isAlpha(ctry_n)) {
			ctry_n_err_code = false;	// local err code
		}
	}
//alert ("ctry_n err "+ctry_n_err_code);
	if (!ctry_n_err_code) {			// no error
		document.getElementById("ctry_n").className="valid";
		document.getElementById("ctry_n_err").className="no-err";
		document.getElementById("ctry_n_err").value ="";
		ctry_nValid = true;
		return true;
	} else {
		document.getElementById("ctry_n").className="invalid";
		document.getElementById("ctry_n_err").className="err";
		document.getElementById("ctry_n_err").value =err_ctry_n;
		ctry_nValid = false;
		return false;
	}
}