On my machine, the web tool bar always displays the full network name of files I'm using.

Example:
\\LLPNV719\LLPDV719\SHARED\MyWB.xls

However on my co-worker's machine, the web tool bar displays the mapped name of the file

Example:
G:\MyWB.xls

Is there some sort of setting or something that toggles between the mapped name and real name of a file on the Web toolbar?