Då servern inte svarar går den ändå in i success-callbacken

bug with $ajax

load_data_into_table:function (page_id, category_id, on_success) {      
        app.show_spinner();
        var aWhiteWheel = new activityIndicator($('#WhiteWheel'));
        aWhiteWheel.start();

        var url_to_use = serverHost+"/items/"+category_id;
        if (category_id==null) {
            url_to_use = serverHost+"/items";
        };
        $.ajax({
            url:url_to_use,
            dataType:"json",
            success:function (data) {
                reset_data_for_items(page_id);
                aWhiteWheel.stop();
                app.remove_spinner();
                jQuery.each(data, function() {

                    if (this.type=="category") {
                        var $newitem = $("<li class=\"arrow\" data-item-id=\""+this.id+"\" data-item-type=\""+this.type+"\"><a href=\"#\" rel=\"external\">"+this.name+"</a></li>");
                        $(page_id+" ul").append($newitem);
                    }
                    else {
                        var $newitem = $("<li class=\"arrow\" data-item-id=\""+this.id+"\" data-item-type=\""+this.type+"\"><a href=\"#\" rel=\"external\">"+this.name+"</a></li>");
                        $(page_id+" ul").append($newitem);      
                    }
                });

                if(on_success!=null) {
                    on_success();
                }

            },
            error: function(xhr, status, error) {
                reset_data_for_items(page_id);
                aiGreenStar.stop();
                app.remove_spinner();
                alert("coult not load data");
                if (page_id === "#items") {
                    // app.alert(localizedString("networkErrorText"),
                    // function(){app.load_data_into_table("#items",category_id,null)},
                    // localizedString("warning"),
                    // localizedString("retry"));
                }
                else {
                    // app.alert(localizedString("networkErrorText"),
                    // null, //function(){ jQT.goBack() },
                    // localizedString("warning"),
                    // localizedString("ok"));
                }

    }
});
return false;
},