function ajaxSubscribe() {
	document.getElementById('yenNewsletterContent').style.display = "none";
	document.getElementById('yenNewsletterResponse').style.display = "block";
	document.getElementById('yenNewsletterResponse').innerHTML = ajaxSubscribeLoading();
	
	email = document.getElementById('yenNewsletterEmail').value;
	
	var parameters = 
		"email=" + email;
	ajaxSubmit('newsletter_subscribe.php', parameters, ajaxSubscribeDisplay);
};


function ajaxSubscribeDisplay() {
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			result = http_request.responseText;
			document.getElementById('yenNewsletterResponse').innerHTML = result;
		} else {
			alert('There was a problem with the request');
		};
	};
};


function ajaxSubscribeLoading() {
	str = '';
	str += 'Sending data...';
	
	return str;
};


function ajaxSubscribeReset() {
	document.getElementById('yenNewsletterContent').style.display = "block";
	document.getElementById('yenNewsletterResponse').style.display = "none";
}