In Firefox the Admin bar is fixed at the top of the screen and does not scroll with the page. This is the desired effect.
IE6 does not recognise the CSS position value of fixed and treats it as relative.
The results are
This problem can be fixed but I am not putting the time into it for the foreseeable future, if ever.
I have removed the absolute positioning so it is the same in Fx2 and IE6. This also allows me to set css positioning attributes to the skin for front and back end so the output is almost identical in both the mentioned browsers.
I still have work on the user interface see messages