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

var	menu2	=	ms.addMenu(document.getElementById("mainmenu2"));
menu2.addItem("槭颤N要I?",	"/index.php/text/admin/1/b5/41/2.html","");
menu2.addItem("槭颤NxIT行I?",	"/index.php/text/admin/1/b5/42/2.html","");
menu2.addItem("槭颤NxJ奇?",	"/index.php/text/admin/1/b5/43/2.html","");
menu2.addItem("常}",	"/index.php/text/admin/1/b5/44/2.html","");
var	menu4	=	ms.addMenu(document.getElementById("mainmenu4"));
menu4.addItem("企I槭颤N要建W站？",	"/index.php/text/admin/1/b5/45/4.html","");
menu4.addItem("互Wc企I",	"/index.php/text/admin/1/b5/46/4.html","");
menu4.addItem("功能得Q相P知R",	"/index.php/text/admin/1/b5/47/4.html","");
menu4.addItem("子商ABC",	"/index.php/text/admin/1/b5/48/4.html","");

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