What was the significance of Greek mythology to the ancient Greeks

Hellenic mythology is the collection of stories about the Gods and Heroes that were passed down orally, and later written down. It is not the same as the Hellenic religion though, read these questions for more info: http://wiki.answers.com/Q/Is_Greek_mythology_an_ancient_religion&updated=1&waNoAnsSet=2 http://wiki.answers.com/Q/Is_Greek_mythology_part_of_ancient_Greek_religion&updated=1&waNoAnsSet=2 http://wiki.answers.com/Q/Why_is_Ancient_Greek_religion_considered_mythology&updated=1&waNoAnsSet=2 READ MORE