function processCheckLoginResult(transport)
{
	var avail = eval( '(' + transport.responseText + ')' );
	if (avail.status) {
		alert('This login name is available');
	}
	else {
		alert('Sorry, this login name is not available');
	}
}

function checkAvailableLogin(login) 
{
	if (login.length < 3) {
		alert ("Login cannot have less than 3 letters");
	}
	else {
		var url = '/checkAvailableLogin.do?login=' + login;
		new Ajax.Request(url, {method: "GET", onSuccess: processCheckLoginResult});
	}
	return (false);
}