jQuery Forum

Hi, I have this XML
<lots of />
<?xml version="1.0" encoding="UTF-8"?>
<response><message>Sorry, username already taken</message></response>
(This gets returned from an $.Ajax call)
I try to get the value of the <message> node:
    <script type="text/javascript">
        $(document).ready(function(){
            $("#register table").hide();
            $("#registerTitle").click(function(){
                $("#register table").slideDown('slow');
            });
            $("form[name='registerform']
input[name='username']").blur(function(){
                var el = $("form[name='registerform'] input[name='username']")[0];
                $.ajax({
                    url:"http://lab.local/login.cfc",
                    type:"get",
                    dataType:"xml",
                    data:"method=StrGetUsernameIsUnique&username="+el.value,
                    success:function showAlert(xml){
                        $("form[name='registerForm']
input[name='username']").removeClass("alertField");
                        if($(xml).find('message').text() != ""){
                            $("#registerMessage").value = $(xml).find('message').text();
                            $("form[name='registerForm']
input[name='username']").addClass("alertField");
                        }
                    }
                });
            });
        });
    </script>
    </head>
But $(xml).find('message').text() does not contain the vaue of the
node. (I used the article at http://www.xml.com/pub/a/2007/10/10/jquery-and-xml.html
as a guide.)
Does anybody know how to get a value of a XML node in JQuery?
Thanks!