[smoln]

<script type="text/javascript">
function itemSelect(){
            var page = $('#item_id01').val();

                $.ajax({
                             type: "POST",
                             url: "ajax.php",
                             data: {page: page},
                             success: function(data) {
                                   $('#tht_02').html(data);
                             }
            });
};
</script>