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

var	menu2	=	ms.addMenu(document.getElementById("mainmenu2"));
menu2.addItem("DIY精品推荐",	"/index.php/shop/ntdnc/1/cn/830/829.html","");
menu2.addItem("DIY所有产品",	"/index.php/shop/ntdnc/1/cn/831/829.html","");
menu2.addItem("DIY最新产品",	"/index.php/shop/ntdnc/1/cn/832/829.html","");
var	menu3	=	ms.addMenu(document.getElementById("mainmenu3"));
menu3.addItem("消费数码精品",	"/index.php/shop/ntdnc/1/cn/834/833.html","");
menu3.addItem("消费数码产品",	"/index.php/shop/ntdnc/1/cn/835/833.html","");
menu3.addItem("消费数码新品",	"/index.php/shop/ntdnc/1/cn/836/833.html","");
var	menu4	=	ms.addMenu(document.getElementById("mainmenu4"));
menu4.addItem("周边设备精品",	"/index.php/shop/ntdnc/1/cn/838/837.html","");
menu4.addItem("周边设备新品",	"/index.php/shop/ntdnc/1/cn/839/837.html","");
menu4.addItem("周边设备产品",	"/index.php/shop/ntdnc/1/cn/840/837.html","");
var	menu5	=	ms.addMenu(document.getElementById("mainmenu5"));
menu5.addItem("网络产品精品",	"/index.php/shop/ntdnc/1/cn/842/841.html","");
menu5.addItem("网络产品新品",	"/index.php/shop/ntdnc/1/cn/843/841.html","");
menu5.addItem("网络全部产品",	"/index.php/shop/ntdnc/1/cn/844/841.html","");
var	menu6	=	ms.addMenu(document.getElementById("mainmenu6"));
menu6.addItem("时尚家电新品",	"/index.php/shop/ntdnc/1/cn/846/845.html","");
menu6.addItem("时尚家电产品",	"/index.php/shop/ntdnc/1/cn/847/845.html","");
var	menu7	=	ms.addMenu(document.getElementById("mainmenu7"));
menu7.addItem("办公用品精品",	"/index.php/shop/ntdnc/1/cn/849/848.html","");
menu7.addItem("办公用品新品",	"/index.php/shop/ntdnc/1/cn/850/848.html","");
menu7.addItem("办公全部产品",	"/index.php/shop/ntdnc/1/cn/851/848.html","");

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