JApplet in browser doesn't refresh

Hi -
I'm putting together an applet which currently contains only a few JButtons in a container. When the browser is minumized and then maximized, the buttons do not redisplay. Functionally, they're still there (they respond if I click in the right place), but they don't show up.
What technique to I need to use to refresh the browser window? Is there a FAQ?
Thanks!
Gary

got it.
container.paintComponents(Graphics g);

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