"Oh, this brings back memories."That comment could be heard again and again Saturday as the Park Theater opened its doors to the community as an entertainment venue for the first time in nearly 30 years. The Main Street theater showed its last movie in 1986.Nostalgia hung in the air as heavy as the smell of popcorn wafting from the concession stand. Visitors were eager to see for themselves the over $2 million renovation and sit in the seats watching performances."I was a 1942 graduate and we were the first class to walk across the stage here," said local resident Charles Smith.