if (mtDropDown.isSupported()) {

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

	
//第二菜单
		
		// menu : 4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("调研中心", "about.asp");
		menu4.addItem("商会章程", "Structure.asp");
                menu4.addItem("商会领导", "Shld.asp");
                menu4.addItem("机构职能", "Jgzn.asp");
		menu4.addItem("商会简介", "History.asp");
		menu4.addItem("宣教中心", "Yjzx.asp");
                menu4.addItem(" 培训中心", "culturenewsInfo.asp?id=55");
	        menu4.addItem(" 维权中心", "culturenewsInfo.asp?id=56");
 		menu4.addItem(" 健康咨询中心", "/Message%20Board/index.asp");
		menu4.addItem(" 营销策划中心", "culturenewsInfo.asp?id=57");
		menu4.addItem(" 会员管理中心", "Server.asp");
		mtDropDown.renderAll();
	}