1 1/2 cups  finely crushed chocolate wafers
 6 tblsp     butter, melted
 3           8-oz package cream cheese, softened
 1 1/2 cups  sugar
 2 tblsp     all purpose flour
 1/8 tsp     salt
 4           eggs
 4 squares   (4 ounces) semisweet chocolate, melted 
 1/4 cup     milk
 1 tsp       vanilla
 1 square    (1 ounce) semisweet chocolate
 1 tsp       butter
 For crust, in a bowl combine chocolate wafer crumbs and melted butter. 
 Press crumb mixture firmly on bottom and 1 3/4 inches up sides of a
 9-inch springform pan. 
 
 For filling, in a large mixer bowl beat cream cheese till creamy. 
 Combine sugar, flour and salt; stir into the cream cheese mixture.  Add
 eggs all at once.  Beat just till combined.  DO NOT OVERBEAT.  Stir in
 the 4 squares melted chocolate, moik and vanilla till combined.  Turn
 into crumb-lined pan. 
 
 Bake in a 325 oven for 60 minutes or till center appears set.  Remove
 from oven; cool 15 minutes.  Loosen sides of pan.  Cover and chill at
 least 2 hours. 
 
 In a small saucepan over low heat melt the 1 square semisweet chocolate
 and butter.  Drizzle in lattice design atop cheesecake.  Chill till
 chocolate is set.