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

var	menu3	=	ms.addMenu(document.getElementById("mainmenu3"));
menu3.addItem("IT專業/技術培訓",	"/userlist/index/text-191.html","");
menu3.addItem("IT專業/ IT技術培訓課程時間表",	"/userlist/index/text-635.html","");
var	menu4	=	ms.addMenu(document.getElementById("mainmenu4"));
menu4.addItem("avast!全面睇",	"/userlist/index/text-621.html","");
menu4.addItem("avast! 防毒軟件獨有性能",	"/userlist/index/text-964.html","");
menu4.addItem("avast! 性能",	"/userlist/index/text-962.html","");
menu4.addItem("avast!獎項",	"/userlist/index/text-963.html","");
menu4.addItem("購買avast!",	"/userlist/index/diyform-624.html","");
var	menu5	=	ms.addMenu(document.getElementById("mainmenu5"));
menu5.addItem("E-Book (電子書)",	"/userlist/index/text-1023.html","");
var	menu6	=	ms.addMenu(document.getElementById("mainmenu6"));
menu6.addItem("avast! 軟件下載",	"/userlist/index/text-568.html","");
menu6.addItem("avast! 購買表",	"/userlist/index/text-1013.html","");
var	menu8	=	ms.addMenu(document.getElementById("mainmenu8"));
menu8.addItem("MTR",	"/userlist/index/text-817.html","");
menu8.addItem("BUS",	"/userlist/index/text-818.html","");
menu8.addItem("HOTEL",	"/userlist/index/text-819.html","");

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