iPhone Vertical Display Issues

Hi

When viewing a page on an iPhone 3GS, the floating social bar takes up 40% of the viewing area.

When rotated so the iPhone is horizontal, it changes to suit, being a horizontal bar at the bottom of the body. Which is good.

Can a solution be created to fix this, when viewing a floating social bar, on a vertical iPhone?

Perhaps, do the same as horizontal, but scale the floating social bar to 50%.

Cheers,

Johnny