subMenu.addMenuItem(new TestAction("M1 : L1"));
subMenu.addMenuItem(new TestAction("M1 : L2"));
mi = subMenu.addMenuItem(new TestAction("M1 : L3"));
subMenu.addMenuItem(new TestAction("M1 : L4"));
subMenu.addMenuItem(new TestAction("M1 : L5"));
subMenu = mi.newSubMenu("subMenu1");
subMenu.addMenuItem(new TestAction("Label 1"));
subMenu.addMenuItem(new TestAction("Label 2"));
// 2nd Menu
YuiMenuBarItem secondMenu = mb.addMenu(new TestAction("Second Menu"));