Prepare lime Jello pour into 15 x 10 x 2 pan. Chill until almost set. Dissolve lemon Jello in 1 cup hot water in top of double boiler. Add marshmallows and melt. Remove and add 1 cup pineapple juice and cream cheese. Beat with rotary beater until blended. Stir in 1 cup pineapple drained, cool slightly, fold mayonnaise and whipped cream. Chill until thickened. Pour over lime Jello, chill until nearly set. Prepare cherry Jello, chill and pour over all other. Chill all.