function toggleDisabled(obj)
{
	obj.disabled = !(obj.disabled);
	var z = (obj.disabled) ? 'disabled' : 'enabled';
}


function toggleCityStateEnabled() {
	var city = document.getElementById("city");
	var state = document.getElementById("state");
	toggleDisabled(city);
	toggleDisabled(state);
	
	var citySpinner = document.getElementById("citySpinner");
	var stateSpinner = document.getElementById("stateSpinner");

	citySpinner.style.display = city.disabled ? "inline" : "none";
	stateSpinner.style.display = state.disabled ? "inline" : "none";

}

function zipCodeChanged(zipCodeInput) {
		var srcEl = document.createElement('script');
		srcEl.language="Javascript";
		srcEl.type="text/javascript";
		srcEl.src="/ajax-zipcode/zip.php?zip=" + zipCodeInput.value;
		document.body.appendChild(srcEl);
		toggleCityStateEnabled();
}