A Battle of the Badges blood drive is being planned between the Janesville police and fire departments.  The Rock River Valley Blood Center is hosting the drive next week Wednesday from 2:00 til 7:00 and Thursday from 9:00 till noon at Fire Station Number One on Milton Avenue.  Donors are asked to vote for either the police or fire departments when they give.  The winning department gets a plaque and bragging rights.  Donors can learn more and sign up at rrvbc.org.