In a glass bowl combine crabmeat, green onions, cucumber, red onion, tomato, parsley and cilantro.
In a small bowl, combine the 3 juices.
Stir the juices into the crab mixture. Add salt and pepper to taste.
Cover and refrigerate at least 6 hours or overnight.
When ready to serve, combine cream cheese and mayonnaise, blending well.
Spread a thin layer of the cream cheese and mayonnaise mixture over the bottom of a serving platter.
Drain crab mixture, pressing out as much moisture as possible.
Spread crab mixture over cream cheese and mayonnaise.
Top with diced avocado.
Serve with tortilla chips.