* buttons on top of page represent photo heights of:
40px 133px 500px 1000px and 1200px
* There are 3 modes of display () for a single photo:
1)normal, 2)background stretch, and 3)height or width stretch

* Click mouse in left/right part of the screen
* Use +/- 5 10 20 50 buttons to skip forward/backward
* Use right/left keyboard arrow keys
* Use keyboard keys eg =New Photos, =Arizona