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",	"?action=shop|buy|2204|cn|4583|4575","_blank");
menu2.addItem("DIY所有产品",	"?action=shop|buy|2204|cn|4584|4575","_blank");
menu2.addItem("DIY最新产品",	"?action=shop|buy|2204|cn|4585|4575","_blank");
var	menu3	=	ms.addMenu(document.getElementById("mainmenu3"));
menu3.addItem("消费数码精品",	"?action=shop|buy|2204|cn|4586|4576","_blank");
menu3.addItem("消费数码产品",	"?action=shop|buy|2204|cn|4587|4576","_blank");
menu3.addItem("消费数码新品",	"?action=shop|buy|2204|cn|4588|4576","_blank");
var	menu4	=	ms.addMenu(document.getElementById("mainmenu4"));
menu4.addItem("周边设备精品",	"?action=shop|buy|2204|cn|4589|4577","_blank");
menu4.addItem("周边设备新品",	"?action=shop|buy|2204|cn|4590|4577","_blank");
menu4.addItem("周边设备产品",	"?action=shop|buy|2204|cn|4591|4577","_blank");
var	menu5	=	ms.addMenu(document.getElementById("mainmenu5"));
menu5.addItem("网络产品精品",	"?action=shop|buy|2204|cn|4592|4578","_blank");
menu5.addItem("网络产品新品",	"?action=shop|buy|2204|cn|4593|4578","_blank");
menu5.addItem("网络全部产品",	"?action=shop|buy|2204|cn|4594|4578","_blank");
var	menu6	=	ms.addMenu(document.getElementById("mainmenu6"));
menu6.addItem("时尚家电新品",	"?action=shop|buy|2204|cn|4595|4579","_blank");
menu6.addItem("时尚家电产品",	"?action=shop|buy|2204|cn|4596|4579","_blank");
var	menu7	=	ms.addMenu(document.getElementById("mainmenu7"));
menu7.addItem("办公用品精品",	"?action=shop|buy|2204|cn|4597|4580","_blank");
menu7.addItem("办公用品新品",	"?action=shop|buy|2204|cn|4598|4580","_blank");
menu7.addItem("办公全部产品",	"?action=shop|buy|2204|cn|4599|4580","_blank");

			mtDropDown.renderAll();
		}
		//��ʼ�˵�
		window.onload = init;