<Building_Facility ID=1 
                      ^ that should  be "1" (also, if you ever want to
                      declare the ID attribute as being of type ID it
                      shouldn't start with a digit)

So this is a standard grouping question.
http://www.jenitennison.com/xslt/grouping/index.html
is your friend.

David

_____________________________________________________________________
This message has been checked for all known viruses by Star Internet
delivered through the MessageLabs Virus Scanning Service. For further
information visit http://www.star.net.uk/stats.asp or alternatively call
Star Internet for details on the Virus Scanning Service.

 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list