YUI2 menu - adding submenus.js

var menuitems = [ {text:"item 1", url: "www.1.com"}, {text:"item 2", url: "www.1.com"}, {text:"item 3", url: "www.1.com"} ];

oMenu = new YAHOO.widget.Menu( "amenu", {
    fixedcenter: true,  
    lazyload: true,
    autosubmenudisplay: true
});
oMenu.addItems(menuitems);
oMenu.render("mymenu");
oMenu.show();

// Adds submenus to existing menu items
var addSubMenus = function (ev, aArgs) {

 var oMenuItem = aArgs[1];

 if (oMenuItem && !oMenuItem.cfg.getProperty("submenu") ) {
   oMenuItem.cfg.setProperty( "submenu", { id: "sub" + oMenuItem.id, itemdata: menuitems});
   oMenuItem.cfg.getProperty("submenu").mouseOverEvent.subscribe(addSubMenus);
   oMenuItem.cfg.getProperty("submenu").show();
 }
};

oMenu.mouseOverEvent.subscribe( addSubMenus );