<script>
$(document).ready(function () {
    $('.search_box').typeahead({
        source: function (query, result) {
            $.ajax({
                url: "/p/autosearch",
                data: 'q=' + query,
                dataType: "json",
                type: "post",
                success: function (data) {
                result($.map(data, function (item) {
                return item;
                    }));
                }
            });
        }
    });
});