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

var	menu1	=	ms.addMenu(document.getElementById("mainmenu1"));
menu1.addItem("企业文化",	"/userlist/bonade/text-62908.html","");
var	menu2	=	ms.addMenu(document.getElementById("mainmenu2"));
menu2.addItem("伯纳德产品",	"/index.php/list/bonade/1/cn/62911/62910.html","");
menu2.addItem("达 伯 产 品",	"/index.php/list/bonade/1/cn/62914/62910.html","");
menu2.addItem("创 谷 茶 社",	"/index.php/list/bonade/1/cn/62915/62910.html","");
var	menu4	=	ms.addMenu(document.getElementById("mainmenu4"));
menu4.addItem("联系方式",	"http://www.jsdablood.com/userlist/bonade/text-4048.html","");
menu4.addItem("如何到达",	"/userlist/bonade/text-62921.html","");

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