xt (right click) event:</h2>' + JSON.stringify(params, null, 4);
    });
    network.on("dragStart", function (params) {
        params.event = "[original event]";
        document.getElementById('eventSpan').innerHTML = '<h2>dragStart event:</h2>' + JSON.stringify(params, null, 4);
    });
    network.on("dragging", function (params) {
        params.event = "[original event]";
        document.getElementById('eventSpan').innerHTML = '<h2>dragging event:</h2>' + JSON.stringify(params, null, 4);
    });
   