If you set your navigation-bar/tab-bar to fixed they become absolute positioned elements in Mobile Devices.
then if you set your content area to overflow-y: auto; you now have a vertical scroller inside of a desktop browser..
I think scrollablity should take advantage of this knowledge unless you decide to develop addition features that aren't currently supported in Desktop browsers.
I believe the wrapper should adhere to standards.
If you set your navigation-bar/tab-bar to fixed they become absolute positioned elements in Mobile Devices.
then if you set your content area to overflow-y: auto; you now have a vertical scroller inside of a desktop browser..
I think scrollablity should take advantage of this knowledge unless you decide to develop addition features that aren't currently supported in Desktop browsers.