Complex sentence: It currently has a football division with junior teams up to the age of 19-the men's football team used to have a cooperation with the nearby Heggedal IL, and played on the sixth level of the pyramid, but this stopped after the 2003 season.
Split into simpler sentences: It currently has a football division with junior teams up to the age of 19. The men's football team participated in the nearby Heggedal IL, and played on the sixth level of the pyramid, but this stopped after the 2003 season.