Cook the lasagna noodles, if necessary. Sauté onion in the butter. Combine the cottage cheese, cream cheese, basil, salt, pepper, egg, and sautéed onion. Set aside. Combine the mushroom soup, milk, and garlic. Stir in the white wine, bay scallops, flounder fillets, and shrimp. Set aside. Assemble ingredients in a greased lasagna pan as follows: a thin layer of seafood sauce, noodles, cheese mixture, noodles, seafood mixture, noodles, cheese mixture, noodles, seafood mixture, and noodles. Place mozzarella cheeses on the top. Bake at 350 degrees F (175 degrees C) for 45 to 60 minutes. Remove from oven, and stand for 10 minutes.