I want to make real-time data to be shown. I use Java servlet as
server side.

So I think I should make a requisition every 100 milliseconds using
setInterval javascript function.

It workds but the graphic redraw every time the requisition is made.
For example:

    var data = response.getDataTable();

    chart.draw(data, {width: 400, height: 240, title: 'Company
Performance'});

This above is called every 100 milliseconds and there are some glishes
on screen. Is there a way to redraw the graphic without graphic
glitches?

Am I doing it correctly?

I'm using Firefox 5.0

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