Scoping issue, seeking enlightenment

On 16/05/2008, at 12:55 AM, Troy Davis wrote:

Hello everyone,

I'm new to Applescript Studio, but I've used Applescript in small ways for 10+ years. I'm currently working on a small app that has an ad banner in it, by default it rotates every minute to a new banner. What I'm having trouble with is getting the banner to stop rotating while the user hovers over it. After reading about scoping options ( http://snipurl.com/28z3m ), I think I should be declaring the variable like so in my Document.applescript:

global freezeAd

set freezeAd to false

on idle theObject

try

set tmpFreeze to freezeAd

on error

set freezeAd to false

end try

display dialog "freezeAd in idle handler: " & freezeAd

if freezeAd is equal to false then

-- code to rotate banner

end if

return 1

end idle

on mouse entered theObject event theEvent
if the name of theObject is equal to "bottomWebViewButton" then
set freezeAd to true
display dialog "Entered banner, freezeAd is " & freezeAd
end if
end mouse entered

on mouse exited theObject event theEvent
if the name of theObject is equal to "bottomWebViewButton" then
set freezeAd to false
display dialog "Exited banner, freezeAd is " & freezeAd
end if
end mouse exited

I've got the mouse entered and mouse exited handlers setup in IB, I can display a dialog upon entering or exiting the ad banner's space successfully. But the banner keeps rotating, somehow freezeAd gets reset to false in the on idle handler. But if I'm reading the Apple docs correctly, this is the recommended way to declare a variable for the whole script and access it within handlers.

Can anyone point me in the right direction?

Thank You,

Troy