nav = [
  "主页", 1,
      "代码主页", "code.htm",
  "PC 工程", 2,
      "NeoPanel", "",
      "DibSection", "dibsect.htm",
  "Symbian 工程", 1,
      "EXEGUI", "exegui.htm",
  "反馈", 2,
      "将您的意见发送给我们", "mailto:dandycheung@21cn.com?subject=",
      "在百度贴吧中讨论", "http://tieba.baidu.com/f?kw=dandycheung"
];

strMailSubjectCode = "About code";
if(document.strCustomMailSubjectCode && document.strCustomMailSubjectCode != "")
{
  strMailSubjectCode = document.strCustomMailSubjectCode;
}
nav[nav.length - 3] += strMailSubjectCode;
DrawNavigator(nav);