A drunken man staggers in to a Catholic church and sits down in a confession 
>box and says nothing.  The bewildered priest coughs to attract his 
>attention, but still the man says nothing.  The priest then knocks on the 
>wall three times in a final attempt to get the man to speak. 
> 
>Finally, the drunk replies: "No use knockin' mate, there's no paper in this 
>one either."