$(document).ready(function() {
        $("#ville").autocomplete("/ajax/ville.aspx",
        {
            max: 10,
            minChars: 2,
            width: 250,
            cacheLength: 20,
            delay: 100,
            selectFirst: true,
            extraParams: { simple: true }
        });
        $("#ville").focus();
        if ($("#ville").val() =="Ville, département ou CP")
           $("#ville").select();
});