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

function init() 
	{
  		Event.observe('commentForm', 'submit', storeComment);
	}

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