if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 企业概况","into.asp"); 
		menu1.addItem("- 领导致词","into1.asp");
		menu1.addItem("- 企业文化","into2.asp");
		menu1.addItem("- 组织机构","into3.asp");
		menu1.addItem("- 视频赏析","into4.asp");	
		menu1.addItem("- 车间设备","into5.asp");
		menu1.addItem("- 销售网络","into6.asp");

        var menu2= ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 公司新闻", "news.asp?boardid=1");
		menu2.addItem("- 行业新闻", "news.asp?boardid=2");	   
		

		
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- 企业荣誉", "honor.asp?boardid=3");
		menu4.addItem("- 企业资质", "honor.asp?boardid=4");
		menu4.addItem("- 产品证书", "honor.asp?boardid=5");
		
		mtDropDown.renderAll();
	}