function signupNewsletter() {

	var startAjax	=	new XHConn();
	var emailInput	= 	findDOM('newsletterEmailInput');
	startAjax.connect("ajaxNewsletter.php", "POST", "&email="+emailInput.value, newsletterResponse);

}

function newsletterResponse(oXML) {
	var emailInput	= 	findDOM('newsletterEmailInput');
	var response	=	oXML.responseText;

	emailInput.value = '';
	alert(response);
}