var countries = new Array('us', 'ca', 'uk');

function changeCountry(country) {
	var count = 0;
	for (var i = 0; i < countries.length; i++) {
		if (country.value.toLowerCase() == countries[i]) {
			document.getElementById('postal_code').style.display = '';
			return;
		}
		count++;
	}
	if (count == countries.length) {
		document.getElementById('postal_code').style.display = 'none';
	}
}

function showCosmo(show) {
	var cosmoP = document.getElementById('cosmoP');
	var cosmo = document.getElementById('cosmo');
	if (show) {
		cosmoP.style.display = '';
		cosmo.checked = true;
	}
	else {
		cosmoP.style.display = 'none';
		cosmo.checked = false;
	}
}