Cook noodles in a large pot of boiling salted water until done. Rinse and drain noodles. Set aside.
Melt butter or margarine in a small saute pan over medium heat. Add onion; cook and stir until tender. Add cream cheese, cottage cheese, egg, basil, and salt and pepper.
In a medium bowl, combine soup, milk, and wine. Stir in crab, shrimp, and mushrooms.
Place 4 noodles in the bottom of a well oiled 9x13 inch pan. Spread 1/2 cheese mixture over the noodles, and spoon 1/2 soup mixture over cheese. Repeat layers.
Bake, uncovered, at 350 degrees F (175 degrees C) for 45 minutes. Top with sharp cheese, and parmesan cheese. Brown lasagna under broiler. Remove from oven, and let stand 15 minutes before serving.