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

var	menu4	=	ms.addMenu(document.getElementById("mainmenu4"));
menu4.addItem("Communication Batteries",	"/index.php/list/xinli/1/en/1658/1647.html","");
menu4.addItem("Power Tool Batteries",	"/index.php/list/xinli/1/en/1659/1647.html","");
menu4.addItem("Remote Control Toy Batteries",	"/index.php/list/xinli/1/en/1660/1647.html","");
menu4.addItem("Consumer Batteries",	"/index.php/list/xinli/1/en/1662/1647.html","");
menu4.addItem("Types of emergency light battery",	"/index.php/list/xinli/1/en/1665/1647.html","");
menu4.addItem("Type of batteries for electric bikes",	"/index.php/list/xinli/1/en/1663/1647.html","");
menu4.addItem("Type of batteries for electric scooters",	"/index.php/list/xinli/1/en/1664/1647.html","");
menu4.addItem("Ni-MH Batteries ",	"/userlist/xinli/text-1689.html","");
menu4.addItem("Ni-cd Batteries",	"/userlist/xinli/text-1690.html","");

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