jQuery.extend({
        netteAjax: function () {
                var args = jQuery.makeArray(arguments);

                var url = args.shift();
                var type = "get";
                var params = '';
                var callback = null;

                // argumenty funkce
                for (var i = 0; i < args.length; i++) {
                        // nastavit callback
                        if (jQuery.isFunction(args[i])) {
                                callback = args[i];
                                continue;
                        }
                        // nastavit typ
                        if (typeof args[i] == "string") {
                                if (args[i].toLowerCase() == "post") {
                                        type = "post";
                                }
                                continue;
                        }
                        // nastavit parametry
                        if (args[i] instanceof Object) {
                                params = args[i];
                        }
                }

                var realCallback = function (data) {
                        // snipeti
                        if (data.snippets) {
                                for (var i in data.snippets) {
                                        $("#" + i).html(data.snippets[i]);
                                }
                        }

                        // callback
                        if (callback) {
                                callback(data);
                        }
                };

                return jQuery.ajax({
                        type: type,
                        url: url,
                        data: params,
                        success: realCallback,
                        dataType: "json",
                        cache: false
                });
        }
});