Dissolve Jello flavors separately, using 1 cup boiling water for each. Stir marshmallows into lemon gelatine, set aside. Add 3/4 cup cold water to lime gelatine & pour into 13 x 9 x 2" pan. Chill until set but not firm. Add 3/4 cup cold water to raspberry gelatine, set aside at room temperature. Then add cream cheese to lemon mixture, beat until blended. Chill until slightly thickened then blend in mayonnaise, whipped cream & crushed pineapple. Chill until very thick; spoon gently over lime gelatine. Chill until set, but not firm. Meanwhile chill raspberry gelatine until thickened; pour over lemon gelatine. Chill until firm. Cut into squares.