PRESS PHOTO BY JIM MARSHYoungsters receiving care in the pediatric unit of Lehigh Valley Reilly Children's Hospital, Salisbury Township, had a treat Nov. 14 when window cleaners dressed in superhero costumes appeared outside their windows to brighten their day. Mya Nelson of Allentown”touches” Spiderman and Captain America. The window cleaning superheroes were from the high access exterior