if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- About us","about.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- Contact us","Contact.asp");	
	
//第二菜单
//		var menu2 = ms.addMenu(document.getElementById("menu2"));
//		menu2.addItem("- 企业新闻", "news.asp"); 
//		menu2.addItem("- 业内资讯", "yenews.asp"); // send no URL if nothing should happen onclick
	
		// menu : 3
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- Product class", "Products.asp");
		menu2.addItem("- All products", "Product.asp");
	    menu2.addItem("- Product search", "search.asp");
		
	
	
		mtDropDown.renderAll();
	}