if (mtDropDown.isSupported()) {

// x轴：-10；y轴：-6 
		var ms = new mtDropDownSet(mtDropDown.direction.down, -11, 2, mtDropDown.reference.bottomLeft);

		//var menu1 = ms.addMenu(document.getElementById("menu1"));
		//menu1.addItem("首页", "#");
 
		//var menu2 = ms.addMenu(document.getElementById("menu2"));
		//menu2.addItem("联社简介", "#");

		//var menu3 = ms.addMenu(document.getElementById("menu3"));
		//menu3.addItem("新闻动态", "#");

		//var menu4 = ms.addMenu(document.getElementById("menu4"));
		//menu4.addItem("领导关怀", "#");

        //var menu5 = ms.addMenu(document.getElementById("menu5"));
		//menu5.addItem("产品展示", "#");

		//var menu6 = ms.addMenu(document.getElementById("menu6"));
		//menu6.addItem("证书展示", "#");
		
		//var menu7 = ms.addMenu(document.getElementById("menu7"));
		//menu7.addItem("产品购销", "#");

		//var menu8 = ms.addMenu(document.getElementById("menu8"));
		//menu8.addItem("技术指导", "#");

		var menu9 = ms.addMenu(document.getElementById("menu9"));
		menu9.addItem("葡萄品种", "news_list.asp?classid=12");
		menu9.addItem("葡萄文化", "news_list.asp?classid=13");

		mtDropDown.renderAll();
	}