function submitForm(search_string, email) {
var req = null;

document.getElementById("results").innerHTML = "Started...";

	if (window.XMLHttpRequest) {
	req = new XMLHttpRequest();
		if (req.overrideMimeType) {
		req.overrideMimeType('text/xml');
		}
	} else if (window.ActiveXObject) {
	try {
		req = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e)
	{
		try {
			req = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e) {}
	}
        	}

var search_string = document.search.search_string.value;
var email = document.search.email.value;

req.onreadystatechange = function() {
document.getElementById("results").innerHTML = "Working...";
	if (req.readyState == 4) {
		if(req.status == 200) {
		document.getElementById("results").innerHTML  = req.responseText;
		} else {
		document.getElementById("results").innerHTML = "Error: returned status code " + req.status + " " + req.statusText;
		}
	}
};

search_string = encodeURIComponent(search_string);
email = encodeURIComponent(email);
req.open("POST", "/registration/nicknames.cgi", true);
req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
req.send("new_user=" + search_string + "&email=" + email);

}