if (mtDropDown.isSupported()) {

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

		
			
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- 城市亮化","Product.asp?BigClassName=成功案例&Smallclassname=城市亮化"); 
		menu3.addItem("- 外漏字","Product.asp?BigClassName=成功案例&Smallclassname=外漏字"); 
		menu3.addItem("- 亚克力工程","Product.asp?BigClassName=成功案例&Smallclassname=亚克力工程");
		menu3.addItem("- 霓虹灯工程","Product.asp?BigClassName=成功案例&Smallclassname=霓虹灯工程");
		menu3.addItem("- 户外广告牌","Product.asp?BigClassName=成功案例&Smallclassname=户外广告牌");
		menu3.addItem("- 标识标牌","Product.asp?BigClassName=成功案例&Smallclassname=标识标牌");
menu3.addItem("- 装饰装修","Product.asp?BigClassName=成功案例&Smallclassname=装饰装修");
		menu3.addItem("- 园林绿化","Product.asp?BigClassName=成功案例&Smallclassname=园林绿化");
// send no URL if nothing should happen onclick
		
		
	    var menu4=ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- LED数码管","Product.asp?BigClassName=产品展示&SmallClassName=LED数码管");
menu4.addItem("- LED点光源","Product.asp?BigClassName=产品展示&SmallClassName=LED点光源");
menu4.addItem("- LED大功率射灯","Product.asp?BigClassName=产品展示&SmallClassName=LED大功率射灯");
menu4.addItem("- LED洗墙灯","Product.asp?BigClassName=产品展示&SmallClassName=LED洗墙灯");
menu4.addItem("- LED灯带","Product.asp?BigClassName=产品展示&SmallClassName=LED灯带");
menu4.addItem("- LED埋地灯","Product.asp?BigClassName=产品展示&SmallClassName=LED埋地灯");

menu4.addItem("- LED节日灯","Product.asp?BigClassName=产品展示&SmallClassName=LED节日灯");
menu4.addItem("- LED高清屏","Product.asp?BigClassName=产品展示&SmallClassName=LED高清屏");
menu4.addItem("- LED像素屏","Product.asp?BigClassName=产品展示&SmallClassName=LED像素屏");
menu4.addItem("- LED条屛","Product.asp?BigClassName=产品展示&SmallClassName=LED条屛");
menu4.addItem("- LED流星灯","Product.asp?BigClassName=产品展示&SmallClassName=LED流星灯");
menu4.addItem("- LED控制器","Product.asp?BigClassName=产品展示&SmallClassName=LED控制器");

menu4.addItem("- 霓虹灯管","Product.asp?BigClassName=产品展示&SmallClassName=霓虹灯管");
menu4.addItem("- 亚克力板","Product.asp?BigClassName=产品展示&SmallClassName=亚克力板");
		
		mtDropDown.renderAll();
	}