Mix crumbs,butter,sugars and milk together in pan. Bring to a boil, boil 5 minutes stirring constantly. Put one layer of crackers in a ungreased 9x13 pan. Pour half of boiled mixture on top. Put a second layer of crackers and top with remaining boiled mixture. Top with one more layer of crackers. Melt the chocolate chips, butterscotch chips and peanut butter. Spread over top of crackers. Cool and cut.