set proc_ to “/System/Library/Components/KeyboardViewer.component/Contents/SharedSupport/KeyboardViewerServer.app/Contents/MacOS/KeyboardViewerServer”
set app_ to “KeyboardViewerServer”
try
do shell script “ps -axwww | grep” & space & proc_ & space & “| grep -v grep”
tell application app_ to quit
on error
do shell script proc_ & space & “> /dev/null 2>&1 &”
end try

Then, you can make it as an applescript application and run it from spotlight.

Check out the macosxhints.com hint for a better explanation:

http://www.macosxhints.com/article.php?story=20080326102502259

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