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on backKey
    if the number of this card is 1 then
        pass backKey
    else
        go to the previous card
    end if
end backKey

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local tWatching

on mouseUp
-- setup my flag for watching or not
   if tWatching is empty then put false into tWatching
   put not tWatching into tWatching

-- set the button label to match the current state of the flag
   set the label of me to "Watching: " & tWatching

-- handler that starts the watching   
WatchIt
end mouseUp

command WatchIt
   if tWatching then -- if tWatching is true
     put empty into field 1 -- empty my output field on each start of watch 
     set the messageMessages to true -- set stack to receive messages about messages
   
-- insert the script of my other button into the front so it can catch things
   insert  script of btn "fScriptB" into front 
   else -- if tWatching is false
      set the messageMessages to false -- stop receiving messages about messages
      remove  script of btn "fscriptb" from front -- remove the other button script from the front
   end if
end WatchIt

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on messageHandled pType, pMessage
 -- does exactly what it seems like. Puts the message name, and the message type into field 1.
   put pMessage && pType & cr after field 1 of stack "mbWatcher" 
end messageHandled

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 if "fscriptb" is in the frontscripts then remove script of button "fScriptB" from front