Janesville police are advising parents to remain vigilant after a possible child enticement incident.  Police are investigating a report of a 10-year-old child being approached a little after 3:00 p.m. Friday in the 300 block of Rockport Road.  The child reported a white male between 40 and 50 years of age, with short gray hair and scruffy facial hair drove up in a tannish gold colored four-door similar to a Ford Crown Victoria and repeatedly asked if the child needed a ride.  The child said no and ran home to tell their parents.  Police say they’ve confirmed the incident through residential video in the area.  They’re asking anyone with information to contact them.