if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 总经理致辞","aboutus.asp?id=2");
		menu1.addItem("- 企业简介","aboutus.asp?id=1"); // send no URL if nothing should happen onclick
		
		menu1.addItem("- 公司文化","aboutus.asp?id=3");
		menu1.addItem("- 企业荣誉","aboutus.asp?id=4"); // send no URL if nothing should happen onclick

	
	
//第二菜单
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 行业信息", "morenews.asp?sortid=50");
		menu2.addItem("- 企业动态", "morenews.asp?sortid=23");
		
		
		
		
		
		
		
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- 产品简介", "chanpin.asp"); 
		menu3.addItem("- 彩色型材产品", "products.asp?bigid=31");
		menu3.addItem("- 雍华型材系列", "products.asp?bigid=32");
		menu3.addItem("- 平开门窗系列", "products.asp?bigid=23");
		menu3.addItem("- 推拉门窗系列", "products.asp?bigid=29");
		
	// send no URL if nothing should happen onclick
		
		
		
		
	
	
	
	
		
		
	
		mtDropDown.renderAll();
	}