Arctic Circle Crab Crostini

Name: Arctic Circle Crab Crostini
Ingredients: 3 stalks fennel, shaved with a mandoline; 1 large white onion, diced; 1 tablespoon sugar; 1/2 cup apricot marmalade; 1 large red onion, diced fine; 1 fresh lime, zest grated and juiced; 1 teaspoon stone ground mustard; 1 cup mayonnaise; 1 pound cooked Dungeoness crabmeat, picked through to remove remnants of shells; Salt and freshly ground black pepper; 1/2 loaf French bread, sliced on the diagonal into 16 (1/2-inch) slices and lightly toasted; 16 small parsley sprigs, for garnish