There are more and more on line available
information for genealogical purpose.
The below table will give you and idea of
which department have on line access to the Etat Civil

The table is in French but easy to understand
updated to December 2009

http://fr.geneawiki.com/index.php/D%C3%A9tail_des_archives_num%C3%A9ris%C3%A9es

Pierre M Hahn, San Francisco