function birthdayChanged() {
	
	var day = document.getElementById("member_birthday_day");
	var month = document.getElementById("member_birthday_month");
	var year = document.getElementById("member_birthday_year");

	dateChanged(day, month, year);
}

function cityChanged() {
	
	var city = document.getElementById('member_city');
	var cityOther = document.getElementById('member_city_other');

	if(city.selectedIndex == city.length - 1) {
		cityOther.style.display = "inline";
	} else {
		cityOther.style.display = "none";
	}
}