Dave, your link is pointing to a file on your PC...
Here's a PDF of the marquee layout:
http://www.jetpower-messe.de/neu/wp-content/uploads/2015/07/Zeltplan_2015.pdf
And the exhibitor list...
http://www.jetpower-messe.de/neu/besucher/aussteller/
Will you be buying everyone a drink...??!