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

var	menu1	=	ms.addMenu(document.getElementById("mainmenu1"));
menu1.addItem("特价商品",	"?action=store|shop|1695|cn|3737|1","_blank");

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