document.write('<h1>About Us</h1>');
document.write('<ul>');
document.write('<li><a href="overview.html">Company Overview</a></li>');
document.write('<li><a href="registrations.html">Group Registrations</a></li>');
document.write('<li><a href="certification.html">Certifications & Quality Management of Group</a></li>');
document.write('<li><a href="certified_customer.html">Certified Customer & Government Approvals of Group</a></li>');
document.write('<li><a href="management.html">Senior Management</a></li>');
document.write('</ul>');