timeout for @key function

[Scott Nelson]

I seem to remember using code that someone posted which created a timed 
control of an @key function.  Of course, I can not find said code, and 
the memory is not what is used to be...

There is a great need to control (inconsiderate) users that like to use 
an @key which may invoke a lookup or other process, then leave their 
screen, locking the file for others.

Does anyone recall seeing or posting this or an example?

Thanks,

Scott