How to cache & persist the last visited page on a jQuery Mobile application, when re-opened from iPhone homescreen?

I have a simple jQuery Mobile contact-list application. It offers the users an option to add it to their home-screen. When they do, clicking a phone number to start a call and opening the application again puts them to the first page of the app. To prevent this behavior, I added the following:I have a simple jQuery Mobile contact-list appl