ajax and XML don't parsed

ajax and XML don't parsed

Hi, i tried to retrieve a xml response from my server, but that's dont work

My javascript :
        $.post("/index/contactssearch", {queryString: ""+inputString+""}, function(data){
            if(data.length >0) {
                $('#suggestions').show();
                $(data).find('element').each(function() {
                   $('#autoSuggestionsList').html('<li>'+$(this).text+"</li>" );
                });
             
            } else {
             $('#autoSuggestionsList').html('Aucun enregistrement trouvé');
             }
        });


And my XML response ( if i make alert('data) ) :

<?xml version="1.0" encoding="iso-8859-1"?>
<element>pierre dupont</element>


This script never go on the callback .each(function() {

Thank you !

PS : Excuse my english