全力打造超级可扩展Menubar

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<menu>
   <menuitem label="新页面" >
             <menuitem label="MyFS2004" instanceName="http://www.myfs2004.9126.com" groupName="url"/>
                   <menuitem label="MyFSasp" instanceName="http://www.myfsasp.9126.com" groupName="url"/>
          </menuitem>
          <menuitem label="html" >
                   <menuitem label="欢迎" groupName="html" instanceName="1.htm"/>
          </menuitem>
          <menuitem label="swf" >
                <menuitem label="1">
                         <menuitem label="sm"    groupName="loadswf" instanceName="sm.swf" />
                         </menuitem>         
                <menuitem label="2">
                         <menuitem label="rm"    groupName="loadswf" instanceName="rm.swf" />
                         </menuitem>            
          </menuitem>
   <menuitem label="frame" >
             <menuitem label="1" rtype="radio" instanceName="25" groupName="frame"/>
                   <menuitem label="2" type="radio" instanceName="30" groupName="frame"/>
      <menuitem label="3" type="radio" instanceName="35" groupName="frame"/>
          </menuitem>
   <menuitem label="关于" >
             <menuitem label="网站" instanceName="MyFS" groupName="alert"/>
                   <menuitem label="版权" instanceName="copyright(c)watanuo@MyFS" groupName="alert"/>
          </menuitem>         
</menu>

// ----- Listener -----
var menuListener = new Object();

// ----- Change listener -----
menuListener.change = function(evt) {
   var menu = evt.menu;
   var menubar = evt.menubar;
   var item = evt.menuItem;
   var group = evt.groupName;
   if (item != undefined) {
      switch (item.attributes.groupName) {
      case "url" :
         getURL(item.attributes.instanceName, _blank);
         break;
      case "html" :
      trace("html")
         _root.gotoAndPlay("loadhtmlframe");
         loadhtml(item.attributes.instanceName)
         break;
      case "loadswf" :
         _root.gotoAndPlay("loadswfframe");
         _root.loadMC.loadMovie(item.attributes.instanceName)
         _root.loadMC._x=3
         _root.loadMC._y=25
         break;
      case "frame" :
         _root.gotoAndPlay(item.attributes.instanceName);
         break;
      case "alert" :
         msg(item.attributes.instanceName);
         break;
      }
   }
}
menu.addEventListener("change",menuListener);

// ----- Installation listener -----
// There is no change event on MenuBar.
// The change listener must be set on the differents menus.
menuListener.focusIn = function(evt) {
   if (this.initChange == undefined) {
      this.initChange = true;
          var menuObj = evt.target;
      var length = menuObj.dataProvider.childNodes.length; // no access function
      for (var i = 0; i < length; i++) {
         menuObj.getMenuAt(i).addEventListener("change",this);
      }
   }
}
menu.addEventListener("focusIn",menuListener);

// ----- -----
menu_con.trigger();
//定义msg()函数
function msg(content) {
   import mx.controls.Alert;
   Alert.show(content, "", Alert.OK);
}
//定义loadhtml函数
function loadhtml(htmlurl) {
   loadVariablesNum(htmlurl, 0);
   var myDoc = new LoadVars();
   myDoc.load(htmurl);
   myDoc.onData = function() {
      ShowData.text = content;
   };
}
stop()