merging_params.js

    function submitRequest() {
        var request = {};
        if (query['sort'])
            request['sort'] = query['sort'];
        if (query['order'])
            request['order'] = query['order'];

        $.extend(request, query['parameters'], query['filters']);

        request = $.param(request);

        if ($searchWrap.hasClass('overlay'))
            return false;

        $searchWrap.addClass('overlay');

        if ($.support.pjax) {
            $.pjax({url: '/search/?' + request, container: '#search_results'});
        } else {
            window.location.href = request;
        }
    }