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

var	menu1	=	ms.addMenu(document.getElementById("mainmenu1"));
menu1.addItem("最新消息",	"/index.php/news/admin/1/b5/40/1.html","");
menu1.addItem("產品與服務",	"/index.php/store/admin/1/b5/41/1.html","");
menu1.addItem("定制系統",	"/index.php/diyform/admin/1/b5/42/1.html","");
menu1.addItem("網站設計",	"/index.php/list/admin/1/b5/45/1.html","");

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