Trouble including URL

Hi:

I am having a problem validating two pages on my web site.

I have a photo story on Motorsport News International 
(http://www.motorsport.com/)

On my page http://www.tstonramp.com/~cdembrey/tn98-1.html I have a link to 
the photos. Here is how I have included the link

To go directly to the photos <a 
href="http://www.motorsport.com/photos/select.asp?Y=1998&S=USAC-M&E=Turkey_Night_GP">click 
here</a>

The link is also provided on 
http://www.tstonramp.com/~cdembrey/briantyler1.html

To go directly to the it <a 
href="http://www.motorsport.com/photos/select.asp?Y=1998&S=USAC-M&E=Turkey_Night_GP">click 
here</a>

The problem the validation service has is

Line 29, column 355: cannot generate system identifier for general entity "S"
Line 29, column 364: cannot generate system identifier for general entity "E"

Seeing that this is a valid address (and I can do nothing to change the way 
that MNI writes their code) how do I link to it and still have a page that 
will validate?

TIA

C.D.Embrey


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