var cmmiTree = new NavTree("CMMI");
var homeNode = new NavTreeNode("home", "CMM/CMMI", ":cmmi", "session");
cmmiTree.add(homeNode);

homeNode.add(new NavTreeNode("business_intro", "业务介绍",":cmmi:business_intro", "page"));
homeNode.add(new NavTreeNode("case_intro", "案例介绍", ":cmmi:case_intro:", "page"));

var certNode = new NavTreeNode("cert", "认证流程", ":cmmi:cert", "page");
cmmiTree.add(certNode);

var consultantNode = new NavTreeNode("consultant_team", "顾问团", ":cmmi:consultant_team", "page");
cmmiTree.add(consultantNode);

var trainingNode = new NavTreeNode("training_center", "培训中心", ":cmmi:training_center", "page");
cmmiTree.add(trainingNode);

var kbNode = new NavTreeNode("kb", "知识库", ":cmmi:kb", "page");
cmmiTree.add(kbNode);

cmmiTree.setExpand("home");