How to change a file reference in a drawing in 2010?

This is something that I did on a daily basis with 2007.  It was quick and easy.

Now with 2010 I find it is essentially impossible.  I've gone through the help file and tried every option they list.  It simply won't work.

If anyone has done this or knows why I can't please give me a clue.  These pointless interface changes drive me nuts!

SolidworksUser Interface