Magic Bars

1/2 cup margarine
1 1/2 cups graham cracker crumbs
1 - 14oz. can sweetened condensed milk
1 - 6oz pkg semi-sweet chocolate chips
1 1/3 cups flaked coconut
1 cup chopped pecans

Preheat oven to 350°F. In 9x13 pan, melt margarine in oven.  Sprinkle crumbs over margarine, pour sweetened condesed milk evenly over crumbs.  Top with remaining ingredients; press down.  Bake 25-30 minutes or until lightly browned.  Cool. Cut into bars.