nav = [
  "主页", 1,
      "文章主页", "articles.htm",
  "类别", 3,
      "Windows Desktop", "articles.htm#desktop",
      "Windows Mobile", "articles.htm#mobile",
      "Symbian", "articles.htm#symbian",
  "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"
];

strMailSubjectArticles = "About articles";
if(document.strCustomMailSubjectArticles && document.strCustomMailSubjectArticles != "")
{
  strMailSubjectArticles = document.strCustomMailSubjectArticles;
}
nav[nav.length - 3] += strMailSubjectArticles;
DrawNavigator(nav);