Hello – If you have been on leave with the Family & Medical Leave act, my understanding is that you are entitled to your original job or to a comparable one when you are ready to return. Here’s more info from the Department of Labor:
(Note on links: if you click directly on the following link, you will need to use your browser’s “back” button to return to the boards after viewing, or you will have to log back in to the forum. As an alternative, you can right-click the link and open it in a new tab or new window).
http://www.dol.gov/whd/regs/compliance/1421.htm
Hopefully, others who have had personal experience with this issue will chime in as well. Take care!