siteTree = new NavTree();
var supNode = new NavTreeNode("sup", "Technical Support", "/en/support/index.html", "session");
siteTree.add(supNode);

var kbNode = new NavTreeNode("kb", "Knowledge Base", "/en/dokuwiki/doku.php?id=support:homepage", "subsession");
//var forumNode = new NavTreeNode("forum", "Forum", "/support/forum/index.php", "subsession");
var contactNode = new NavTreeNode("contact", "Support Contact", "/en/support/contact.html", "subsession");

siteTree.add(kbNode);
//siteTree.add(forumNode);
siteTree.add(contactNode);