These are links to large accurate and complete databases, stored on the RootWeb.com ALSACE message board, and available to you right now and for free.
The databases are:
Obernai Catholic Marriage Index, 1617 to 1792. Sorted using the name of the Groom. (6,363 Marriages)
http://boards.ancestry.com/mbexec?htx=message&r=rw&p...Obernai Catholic Marriage Index, 1617 to 1792. Sorted using the name of the Bride.
http://boards.ancestry.com/mbexec?htx=message&r=rw&p...Obernai Catholic Marriage Index, 1617 to 1792. Some acknowledgements and Explanations.
http://boards.ancestry.com/mbexec?htx=message&r=rw&p...Obernai Catholic Baptism Index, with Father's names. 1646 to 1792. (21,256 baptisms)
http://boards.ancestry.com/mbexec?htx=message&r=rw&p...Enjoy
............Hugh Tornabene