DateChooser - Strange behaviour in FireFox 16.0.2

Problem:
When datechooser is mouse overed (like moving mouse pointer up an down over datechooser compoment) its becomes enlarged in hight (see attached figure).


1. SmartGWT 4.0 Showcase.
http://www.smartclient.com/smartgwt/showcase/#controls_category_datechooser

2. browser(s) and version(s) involved
FireFox 16.0.2



BR
Marije

Attached Images

Capture.GIF (60.1 KB)