Comment 250 for bug 1084

We just discussed this on mozillazine:
  http://forums.mozillazine.org/viewtopic.php?p=2746466

So there is already an extension to resolve this:
  http://cweiske.de/misc_extensions.htm#headerScroll

But, honestly, it's a BUG - and it's a bit strange people can not get this bug fixed after FOUR DAMN YEARS !