jQuery XML-RPC

<html>
<head>
<script src="jquery.js"></script>
</head>
<body>
This is HTML <br />
<input type="button" onClick="getVersion()" value="Get DokuWiki Version">
</body>
<script tyle="text/javascript">
function getVersion() {
var xml='<?xml version="1.0"?><methodCall><methodName>dokuwiki.getVersion</methodName><params></params></methodCall>';

$.ajax({
   url: "http://localhost/dokuwiki/lib/exe/xmlrpc.php",
   //use PHP or JSONP for cross-domain wikis
   data: xml,
   contentType:"text/xml",
   type:"post",
   success: function(msg){
     var version = $(msg).find('string').text();
    alert(version);
   }

});
}
</script>
</html>