// JavaScript Document
// Attach handler to window load event
Event.observe(window, 'load', init, false);

function init() {
 // Attach handler to form's submit event
 Event.observe('addressForm', 'submit', storeAddress);
}

function storeAddress(e) {
 // Update user interface
 $('response').innerHTML = 'Adding email address...';
 // Prepare query string and send AJAX request
 var pars = 'address=' + escape($F('address'));
 var myAjax = new Ajax.Updater('response', 'ajaxServer.php', {method: 'get', parameters: pars});
 // Stop form from submitting when JavaScript is enabled
 Event.stop(e);
}