var navCSS = document.createElement('link');
document.getElementsByTagName('head')[0].appendChild(navCSS);
navCSS.rel = 'stylesheet';
navCSS.type = 'text/css';
navCSS.href = 'http://www.discuz.com/products_nav/products_nav.css';

var navDiv = document.createElement('div');
navDiv.id = 'products_nav';
document.body.appendChild(navDiv);
navDiv.innerHTML = '<label><a href="http://www.comsenz.com" target="_blank" title="Comsenz Inc.">Comsenz</a></label><ul><li class="first"><a href="http://www.discuz.com/download" target="_blank">Discuz!</a></li><li><a href="http://www.discuznt.com" target="_blank">Discuz!NT</a></li><li><a href="http://www.supesite.com" target="_blank">SupeSite / X-Space</a></li><li><a href="http://www.5d6d.com" target="_blank">5d6d</a></li><li><a href="http://www.phpchina.com" target="_blank">PHPChina</a></li></ul></div>';
document.body.style.borderTop = '29px solid #EDEEEE';