Is HTML5 application cache support with APM

I don't have much expertise on HTML5 browser cache, but I know that it allows web applications to save data in browser. Now to the problem. Client has a web application that uses HTML5 application cache, and it allows the application to save some information. And if the browser has some cache, it allows user to start the application even without an Internet connection. Of course, user will need to start the application at least once with an Internet connection to save some cache. It works fine, as long as users are accessing the application in Intranet. however, once we try to use F5 APM to rewrite the application and then users access the portal object, they can't access the application offline. Here's how they try it: 1. Users login to public IP: apm.example.com/my.policy 2. They get redirected to their portal app: apm.example.com/f5hashed link/application_name (They bookmark this link) 3. They do their work (read: create some application cache) and close the browser without logging out 4. Users disconnect from internet 5. They open the same browser and open the bookmark (saved in step 2): - In some browsers, system opens the application home page and they can continue their work offline - In some browsers, the system just opens a "can't display webpage" message.

now, I am looking for any ideas if F5 APM has support for saving the offline application cache (may be with an irule) or it simply is not supported at all.