[jQuery] Animate height from 0px to default w/o flicker

[Kia Niskavaara]

I want to animate the height of a box so that it expands from 0px to it's
default height.

I've tried

$('#wait').css({height: 0}).animate({ height: 'toggle' }, 3000);

But sometimes the box is visible for a few milliseconds.

I've also tried setting the height to 0 px in the stylesheet:

#wait { height: 0px }

And then switch to the default height using jQuery:
$('#wait').animate({ height: 'toggle' }, 3000);

But that doesn't work at all.

Any other suggestions to remove the flicker?