def calculateTimeDifference(time1, time2):
	"""
	Calculates the time difference for two time deltas
	and returns an additional value if the difference 
	is negative
	"""
	negative = False

	absoluteDifference = abs(time1 - time2)
	relativeDifference = time1 - time2
	
	if str(relativeDifference)[0:1] == '-':
		negative = True
	else:
		negative = False
	return absoluteDifference, negative