YAHOO.util.Event.onContentReady("mmenu", function () {
     var oMenu = new YAHOO.widget.MenuBar(
        "mmenu", 
        {
        	autosubmenudisplay: true,
            hidedelay: 750, 
            showdelay: 0, 
            lazyload: true
        }
    );
    
    
    var submenus = oMenu.getSubmenus();
    for (var i = 0, l = submenus.length; i < l, sm = submenus[i]; i++) {
    	sm.cfg.setProperty('context', ['mmenu', 'tl', 'bl']);
    }
    
    oMenu.render();
    
});