jquery datepicker flicker issue

When I enable following options

        changeMonth: true,开发者_开发技巧
        changeYear: true,

clicking on button/input field causes whole or a part of page to clicker. It happens only in FF. Any idea what is going on?

Thanks, Pawel

---

I've managed to upload one page with that issue. Could you please take a look: Flickering datepicker

EDIT: Apparently it's FF bug:

Bug ticket on jQuery UI Bug post