if (mtDropDown.isSupported()) {

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

        // menu : 1
		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 领导介绍","News/default.asp?cataid=69"); // send no URL if nothing should happen onclick
		menu1.addItem("- 工作职责","News/default.asp?cataid=70");
		menu1.addItem("- 机构设置","News/default.asp?cataid=71");

		// menu : 2
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 国家法规", "News/default.asp?cataid=54");
		menu2.addItem("- 省级法规", "News/default.asp?cataid=57");
		menu2.addItem("- 本地规范", "News/default.asp?cataid=58");
		
		// menu : 3
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- 办事程序", "News/default.asp?cataid=59");
		menu3.addItem("- 办事指南", "News/default.asp?cataid=60");
		menu3.addItem("- 表格下载", "News/default.asp?cataid=61");

	
		mtDropDown.renderAll();
	}