if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("  ==企业简介== ", "company.asp");
		menu1.addItem("  ==企业一角== ", "yijiao.asp");
		menu1.addItem("  ==技术实力== ", "shili.asp");

		var menu2 = ms.addMenu(document.getElementById("menu2"));
		
		menu2.addItem("  ==公司新闻==", "news1.asp?nbigarea=12");

		menu2.addItem("  ==行业新闻==", "news1.asp?nbigarea=13");


		var menu2 = ms.addMenu(document.getElementById("menu3"));
				
		menu2.addItem("  ==磁卡==", "pro1.asp?nbigarea=1");

		menu2.addItem("  ==条码卡==", "pro1.asp?nbigarea=2");

		menu2.addItem("  ==IC 卡==", "pro1.asp?nbigarea=3");

		menu2.addItem("  ==其他==", "pro1.asp?nbigarea=4");


		
		var menu2 = ms.addMenu(document.getElementById("menu4"));
		menu2.addItem("  ==各地连锁点==", "liansuo.asp");
		
		var menu2 = ms.addMenu(document.getElementById("menu5"));
		menu2.addItem("  ==加盟须知==", "jiameng1.asp");
		menu2.addItem("  ==优惠政策==", "jiameng2.asp");		
		
		
		mtDropDown.renderAll();
	}