function provinceLoading (province_id) {
	document.getElementById('province_div').innerHTML = '<img src="images/loading.gif" border="0" align="absmiddle"> Loading...';
	setTimeout (provinceUpdate(province_id), 2000);
}
function provinceUpdate (province_id) {	
	var country_id = document.getElementById('country_id').value;
	new Ajax.Updater('province_div', 'ajax/list_provinces.php', {
		method: 'get',
		parameters: { country_id: country_id, province_id: province_id }
	});
}

function check_email () {
	var email_address = document.getElementById('email_address').value;
	new Ajax.Updater('email_address_check', 'ajax/check_email.php', {
		method: 'get',
		parameters: { email_address: email_address }
	});
}