var nav='';
nav+='<ul>';
nav+='<li class="home"><a href="index.html">Home<\/a><\/li>';
nav+='<li class="products"><a href="products.html">Products<\/a><\/li>';
nav+='<li class="drawings"><a href="drawings.html">Drawings<\/a><\/li>';
nav+='<li class="installation-instructions"><a href="installation-instructions.html">Installation Instructions<\/a><\/li>';
nav+='<li class="links"><a href="links.html">Links<\/a><\/li>';
nav+='<li class="contact-us"><a href="contact-us.html">Contact Us<\/a><\/li>';
nav+='<\/ul>';