function createRequestObject() {
	var ro;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
		ro = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		ro = new XMLHttpRequest();
	}
	return ro;
}

var http = createRequestObject();
var subscribeMessageSpanID;

function subscribe_sendRequest(email, span) {
	subscribeMessageSpanID = span;
	http.open('GET', '/ajax/newslettersubscribe.aspx?email=' + escape(email));
	http.onreadystatechange = subscribe_handleResponse;
	http.send(null);
}

function subscribe_handleResponse() {
	if(http.readyState == 4){
		var response = http.responseText;
		if(response.indexOf('success') == -1 && response.indexOf('urgent') == -1)
			document.getElementById(subscribeMessageSpanID).innerHTML = "Unable to subscribe.";
		else
		{
			if (document.getElementById(subscribeMessageSpanID).id == "spanNewsletterSubscribeMiniMessageTop")
				response = response.replace("<br />", " ");

			document.getElementById(subscribeMessageSpanID).innerHTML = response;
		}
	}
}