This gives a little background and might help answer some of your questions (I have similar questions to yours): http://www.facebook.com/note.php?note_id=244131

This gives a little background and might help answer some of your questions (I have similar questions to yours): http://www.facebook.com/note.php?note_id=24413138919 http://www.facebook.com/note.php?note_id=24413138919