A Ridgefield man has been arrested for allegedly throwing rocks at passing cars.  Ridgefield Police say motorists called 911 April 24th about a man throwing rocks on Main Street.  Police located 27-year old Michael Detlor, who was charged with criminal mischief and disorderly conduct.  He's due in court this coming Thursday.  Detlor was arrested in New Fairfield two days prior to the Ridgefield incident.  He was charged with criminal mischief and breach of peace for allegedly creating a disturbance and damaging property at a local home.