>>I heard this once with an extra twist. On sunny days the man went to the 8th floor. When it was raining he went all the way to the 15th floor.
>
>On rainy days, he had his umbrella and used it to reach the right button.
>
>Tamar (who's heard it before <g>)

Ta-Da! (Musical Fanfare)
Tamar wins the bonus round. If only there were a prize for this contest :-)