http://www.jjab.com/cardtrick.php3#step3
Anyone care to venture an explanation?
None of the cards at the top are among the cards at the bottom.
By using the same color, but different suits, they trick you into thinking that the cards at top and bottom are the same.
Uhhhh…ok.
I just noticed I gave the punch line!!
Mentally forget the first URL and try this one instead:
http://www.jjab.com/cardtrick.php3#step1
My bad…