var TITEMS = [ 
 ["世界通简介", "index.htm", "1",
  ["世界通能帮我做什么", "html/how_does_it_help_me.htm", "11"],
  ["初次使用", "html/first_time.htm", "1",
   ["使用协议", "html/agreement.htm", "11"],
   ["安全认证", "html/integrity.htm", "11"]
  ],
  ["世界通如何工作的", "html/introduction.htm", "11"]
 ],
 ["使用世界通", "html/using_gpass.htm", "1",
  ["基本操作", "html/basic_usage.htm", "1",
   ["启动世界通", "html/starting_gpass.htm", "1",
    ["防火墙和防病毒软件的设置", "html/firewall-av.htm", "11"]
   ],
   ["通过世界通上网", "html/getting_online.htm", "1",
    ["自动模式", "html/auto_mode.htm", "11"],
    ["书签管理", "html/bookmark.htm", "11"]
   ],
   ["退出世界通", "html/exiting_gpass.htm", "11"]
  ],
  ["用户界面", "html/interface.htm", "1",
   ["主视窗", "html/mainwindow.htm", "1",
    ["上网程序表", "html/applist.htm", "11"],
    ["命令菜单", "html/mainmenu.htm", "11"],
    ["控制栏", "html/controlbar.htm", "11"],
    ["速度表", "html/speedmeter.htm", "11"],
    ["通道状态和显示条", "html/tunnelstatus.htm", "11"]
   ],
   ["系统托盘图标和菜单", "html/trayicon.htm", "11"]
  ],
  ["高级用法", "html/advancedusage.htm", "1",
   ["手动代理模式", "html/manual_proxy_mode.htm", "11"],
   ["设置选项", "html/options.htm", "1",
    ["一般设置", "html/options-general.htm", "11"],
    ["通道设置", "html/options-tunnels.htm", "11"],
    ["局域网代理设置", "html/options-lan.htm", "11"],
    ["测试反馈", "html/options-feedback.htm", "11"]
   ],
   ["联网规则", "html/network_control.htm", "1",
    ["联网规则介绍", "html/net-rules.htm", "11"],
    ["改变联网规则", "html/set-net-rules.htm", "11"],
    ["防火墙功能", "html/gpass-firewall.htm", "11"]
   ]
  ]
 ],
 ["常见问题解答", "html/faq.htm", "11"]
];


var FITEMS = arr_flatten(TITEMS);

function arr_flatten (x) {
   var y = []; if (x == null) return y;
   for (var i=0; i<x.length; i++) {
      if (typeof(x[i]) == "object") {
         var flat = arr_flatten(x[i]);
         for (var j=0; j<flat.length; j++)
             y[y.length]=flat[j];
      } else {
         if ((i%3==0))
          y[y.length]=x[i+1];
      }
   }
   return y;
}