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

var	menu2	=	ms.addMenu(document.getElementById("mainmenu2"));
menu2.addItem("总经理",	"/userlist/sdmyjx/text-14965.html","");
menu2.addItem("公司外景",	"/userlist/sdmyjx/text-14961.html","");
menu2.addItem("车间一览",	"/userlist/sdmyjx/text-14978.html","");
var	menu4	=	ms.addMenu(document.getElementById("mainmenu4"));
menu4.addItem("钻机系列",	"/index.php/list/sdmyjx/1/cn/14951/14936.html","");
menu4.addItem("钻机配件",	"/index.php/list/sdmyjx/1/cn/14952/14936.html","");
menu4.addItem("剥带机系列",	"/index.php/list/sdmyjx/1/cn/14977/14936.html","");
menu4.addItem("空压机系列",	"/index.php/list/sdmyjx/1/cn/19795/14936.html","");

			mtDropDown.renderAll();
		}
		//初始菜单
		window.onload = init;