function fnnav(){
str="";
str=str+"<ul id='nav'>";
str=str+"<li><a href='http://www2.dupont.com/Plastics/en_US/contact.html' target='_blank' class='top'>Contact Us</a></li>";
str=str+"<li><a href='http://plastics.dupont.com/myplastics/Mediator?id=10158' target='_blank' class='top'>Subscribe</a></li>";
str=str+"<li><a href='../ed091/index.html' class='top'>Current Issue</a></li>";
str=str+"<li><a href='#'>Past Issues</a>";
str=str+"<ul><li><a href='#'>2008</a>";
str=str+"<ul>";
str=str+"<li><a href='../ed081/index.html'>2008 Issue 1</a></li>";
str=str+"<li><a href='../ed082/index.html'>2008 Issue 2</a></li>";
str=str+"<li><a href='../ed083/index.html'>2008 Issue 3</a></li>";
str=str+"</ul>";
str=str+"</li>";
str=str+"<li><a href='#'>2007</a>";
str=str+"<ul>";
str=str+"<li><a href='http://www.engineeringpolymers.com/dupont-ed/archive/2007-1.html'>2007 Issue 1</a></li>";
str=str+"<li><a href='http://www.engineeringpolymers.com/dupont-ed/archive/2007-2.html'>2007 Issue 2</a></li>";
str=str+"<li><a href='http://www.engineeringpolymers.com/dupont-ed/archive/2007-3.html'>2007 Issue 3</a></li>";
str=str+"</ul>";
str=str+"</li>";
str=str+"<li><a href='#'>2006</a>";
str=str+"<ul>";
str=str+"<li><a href='http://www.engineeringpolymers.com/dupont-ed/archive/2006-1.html'>2006 Issue 1</a></li>";
str=str+"<li><a href='http://www.engineeringpolymers.com/dupont-ed/archive/2006-2.html'>2006 Issue 2</a></li>";
str=str+"<li><a href='http://www.engineeringpolymers.com/dupont-ed/archive/2006-3.html'>2006 Issue 3</a></li>";
str=str+"</ul>";
str=str+"</li>";
str=str+"<li><a href='#' class='bttm'>2005</a>";
str=str+"<ul>";
str=str+"<li><a href='http://www.engineeringpolymers.com/dupont-ed/archive/2005-1.html'>2005 Issue 1</a></li>";
str=str+"<li><a href='http://www.engineeringpolymers.com/dupont-ed/archive/2005-2.html'>2005 Issue 2</a></li>";
str=str+"<li><a href='http://www.engineeringpolymers.com/dupont-ed/archive/2005-3.html'>2005 Issue 3</a></li>";
str=str+"</ul>";
str=str+"</li>";
str=str+"</ul>";
str=str+"</li>";
str=str+"</ul>";
document.write(str);
}