Draggable element - How to save the position?

Draggable element - How to save the position?

Hi, I'm new here :).
I've found it:
http://docs.jquery.com/UI/Draggable
And I've a question:
How I can save the position of an div (with the draggable plugin) to a my MySQL Database?

{Sorry for my bad english :-\...}

Thanks to all!!
Mirko