if (mtDropDown.isSupported()) {
	var ms = new mtDropDownSet(mtDropDown.direction.down, 0, -1, mtDropDown.reference.bottomLeft);
	var menu1 = ms.addMenu(document.getElementById("menu1"));
	menu1.addItem("- 公司文化","/cn/culture.php"); 
	menu1.addItem("- 合作伙伴","/cn/partners.php");
	menu1.addItem("- 企业荣誉","/cn/honor.php");
	
	//var subMenu0 = menu1.addMenu(menu1.items[0]);
	//subMenu0.addItem("", "");
	mtDropDown.renderAll();
}