function makeRequest_news(url) {
   var http_request = false;

        if (window.XMLHttpRequest) { // Mozilla, Safari,...
            http_request = new XMLHttpRequest();
            if (http_request.overrideMimeType) {
                http_request.overrideMimeType('text/xml');
                // See note below about this line
            }
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }

        if (!http_request) {
            return "Cannot create an XMLHTTP instance";
            //return false;
        }

        http_request.onreadystatechange = function() { alertContents_news(http_request); };
        http_request.open('GET', url, true);
        http_request.send(null);

    }

    function alertContents_news(http_request) {
		var msg;
        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
                //alert(http_request.responseText);
				msg = http_request.responseText;
            } else {
                msg = 'There was a problem with the request.';
            }
        }
		if (msg) alert(msg);
		//if (!msg) msg = "<div align=center><img src=\"/images/loading.gif\" border=0></div>"; 
		//document.getElementById('shopping_chart').innerHTML = msg;
    }

function add_email(frm)
{
	var email = frm.emailaddress.value;
	var url = "/ajax/submit-emails.php?email="+email;
	makeRequest_news(url);
}