How to directly Batch convert .fla to .flv files??

What is the best method to batch covert .fla to .flv files directly? First of all, is there a method to directly convert .fla files to .flv? How long would it take? We have 13000 fla files to be converted to flv :-) ## Deliverables 1) All deliverables will be considered "work made for hire" under U.S. Copyright law. Employer will receive exclusive and complete copyrights to all work purchased. (No 3rd party components unless all copyright ramifications are explained AND AGREED TO by the employer on the site per the worker's Worker Legal Agreement). ## Platform flash