Same ASP page, 2 different sites, one returns 41 bytes more

Hi all,

one my machine I have 2 web sites, which have a page which interogates a
database, and does a RESPONSE.WRITEBINARY on a field into an ASP page which
has Response.ContentType="image/gif" set.

One site has this page working.

The other, the page returns a small "picture not found" icon.

The ASP page is identical for both (I copied it over) as is the database
field.

When I get the File...Properties in IE, the non-working one has 41 bytes
more, which I guess is corrupting the image.

Where are these bytes coming from. I have looked at every setting in IIS for
both sites and they are (as far as I can see) identical.

Anyone any hints please ?

Thanks in advance

J