$(document).ready(function() {
    $('#signup').submit(function() {        
        $("#subscribe-button").val("Working...");   
        $.ajax({
            url: 'lib/mailChimpSubscribe.php',
            data: 'ajax=true&email=' + escape($('#subscribe-email').val()) + '&name='+ escape($('#subscribe-name').val()),
            success: function(msg) {
                $('#response').html(msg);
                $("#subscribe-button").val("Subscribe");
            }
        });
    
        return false;
    });
});