Strawberry Pretzel Salad

2 cups pretzels, crushed

1 stick margarine, soft

3 T. sugar

8 oz. cream cheese

1 cup sugar

2 3-oz. strawberry gelatins

2 cup pineappe juice

1 pint frozen strawberries

Mix first 3 ingredients well. Spread in 9x13 ungreased baking dish. Cook at 350 degrees for 8-10 minutes. Cool. Blend 8oz. cream cheese and 1 cup sugar. Spread over crust. Refrigerate. Mix 2-3oz. strawberry gelatins with 2 cups pineapple juice. Heat according to gelatin directions. Add 1 pint frozen strawberries into gelatin. Spoon on Top. Chill