-- Michael J. Waddell
-- http://www.mwaddell.com
-- Code adapted from http://www.macosxhints.com/article.php?story=20030409015020645

set OnOff to do shell script "defaults read com.apple.finder AppleShowAllFiles"
if OnOff = "NO" or OnOff = "OFF" then
	set buttonPressed to "Visible"
else
	set buttonPressed to "Invisible"
end if
if the buttonPressed is "Invisible" then
	try
		tell application "Finder" to quit
		do shell script "defaults write com.apple.finder AppleShowAllFiles OFF"
		delay 1
		tell application "Finder" to activate
	end try
else if the buttonPressed is "Visible" then
	try
		tell application "Finder" to quit
		do shell script "defaults write com.apple.finder AppleShowAllFiles ON"
		delay 1
		tell application "Finder" to activate
	end try
end if