if (mtDropDown.isSupported()) {

// x轴：-10；y轴：-6 
		var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 12  , mtDropDown.reference.bottomLeft);

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("企业简介", "../about.asp?id=1");
		menu1.addItem("组织架构", "../about.asp?id=2");
 
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("企业文化", "../culture.asp?id=3");
		menu2.addItem("员工风采", "../culture.asp?id=4");

		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("公司新闻", "../news.asp?flag=公司新闻");
		menu3.addItem("行业资讯", "../news.asp?flag=行业资讯");
		menu3.addItem("市场观点", "../news.asp?flag=市场观点");

		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("服务范围", "../program.asp?id=6");
		menu4.addItem("合作流程", "../program.asp?id=14");

		mtDropDown.renderAll();
	}