Adobe has not allowed JS to execute this menu item in a desktop appliction. You may need to look for a server based procuct.
Yeah I have been aware of this for sometime, and the server option isn't cheap!
I need something I can execute on my existing software & hardware (currently running CS4 on macs with leopard)
thanks for your reply
If your on an Apple computer you can download the Automator service script that I wrote. It will allow you to batch process enable commenting in any number of files you wish. You can view the tutorial and download the file here: