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

var	menu6	=	ms.addMenu(document.getElementById("mainmenu6"));
menu6.addItem("1111",	"/index.php/news/admin/1/cn/21144/4349.html","");

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