mac mavericks & adobe photoshop cs6 (! you need allow accessibility apps to access.)

gistfile1.txt

-- アプリが起動してない場合
if not application "Adobe Photoshop CS6" is running then
	-- 入力ソースをU.S.に切り替える
	tell application "System Events" to tell process "SystemUIServer"
		tell (menu bar item 1 of menu bar 1 where description is "text input")
			click
			click menu item "U.S." of menu 1
		end tell
	end tell
	
	-- アプリ起動
	tell application "/Applications/Adobe Photoshop CS6/Adobe Photoshop CS6.app"
		activate
	end tell
end if