if (mtDropDown.isSupported()) {

		var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft);

		// menu : 1
		//var menu1 = ms.addMenu(document.getElementById("menu1"));
		//menu1.addItem("- 产品展示", "Product.asp");
		//menu1.addItem("- 产品分类", "Products.asp");	
			
		// menu : 2
		//var menu2 = ms.addMenu(document.getElementById("menu2"));
		//menu2.addItem("- 会员中心", "Server.asp");
		//menu2.addItem("- 信息反馈", "Feedback.asp");
		//menu2.addItem("- 留言中心", "NetBook.asp");

		mtDropDown.renderAll();
	}