Adding numbers

Michael J. Lew michaell at
Tue Dec 11 17:43:00 EST 2001

Sometimes (mostly) I find it best to prevent a non-number input 
rather than complain about it later. Put the following script into a 
field that you want the user to enter a number into:

on keyDown theKey
   if theKey is in "1234567890-." then pass keyDown
end keyDown

Michael J. Lew

Senior Lecturer
Department of Pharmacology
The University of Melbourne
Parkville 3010

Phone +613 8344 8304

New email address: michaell at

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