Chocolate Cherry Bars

1 Pkg. Devil's Food Cake Mix
21-oz. Can cherry fruit filling
1 t. Vanilla extract
2 Eggs, beaten

Frosting
1 C Sugar
5 T Margarine or butter
1/3 C Skim Milk
6-oz. Pkg. (1 Cup) semi-sweet chocolate chips

Heat oven to 350 degrees.   Grease (Not oil) and flour 15x10-inch jelly roll or 13x9-inch pan.  In large bowl, combine first 4 ingredients.  By hand, stir until well mixed.  Pour into prepared pan.  Bake at 350 degrees in jelly roll pan for 20 to 30 minutes or in 13x9-inch pan for 25 to 30 minutes or until toothpick inserted in center come out clean.   In small saucepan, combine sugar, margarine and milk.  Boil, stirring constantly 1 minute.  Remove from heat; stir in chocolate chips until smooth.   pour over warm bars.  About 3 dozen bars.