Add #home to the Home link. That should fix it.
CODE
<li class="current"><a href="index-old.html#home">Home</a>
I don't know what's wrong with the PDF, but it ain't your link. I get "Document contains no data" of I try to go to it directly. That could mean a lot of things, I think.
http://www.encleanusa.com/enclean-brochure.pdf