Sometime back i was looking for good script to set up an online family tree for my family and after some searches, i came up with this below, trust me this is a very good script, a little bit complicated but solid.
PhpGedView is a revolutionary genealogy program which allows you to view and edit your genealogy on your website. PhpGedView has full editing capabilities, full privacy functions, can import from GEDCOM files, and supports multimedia like photos and document images. PhpGedView also simplifies the process of collaborating with others working on your family tree. Your latest genealogy information is always on your website and available for others to see.