<?php// xulApplication.php demonstrates a XUL application with xajax// XUL will only work in Mozilla based browsers like Firefox// using xajax version 0.2// http://xajaxproject.orgrequire_once("../../xajax.inc.php");function test() {        $objResponse = new xajaxResponse();        $objResponse->addAlert("hallo");        $objResponse->addAssign('testButton','label','Success!');        return $objResponse->getXML();}$xajax = new xajax();$xajax->registerFunction("test");$xajax->processRequests();header("Content-Type: application/vnd.mozilla.xul+xml");?><?xml version="1.0" encoding="utf-8"?><?xml-stylesheet href="chrome://global/skin/" type="text/css"?><window id="example-window" title="Exemple 2.2.1"        xmlns:html="http://www.w3.org/1999/xhtml"        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">    <script type="application/x-javascript">		var xajaxRequestUri="xulServer.php";		var xajaxDebug=false;		var xajaxStatusMessages=false;		var xajaxDefinedGet=0;		var xajaxDefinedPost=1;	</script>	<script type="application/x-javascript" src="../../xajax_js/xajax.js"></script>    <button id="testButton" oncommand="xajax.call('test',[]);" label="Test" /></window>