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

var	menu3	=	ms.addMenu(document.getElementById("mainmenu3"));
menu3.addItem("高新体系",	"/index.php/news/cyqy/1/cn/57563/57562.html","");
menu3.addItem("知识产权",	"/index.php/news/cyqy/1/cn/57564/57562.html","");
menu3.addItem("科技项目",	"/index.php/news/cyqy/1/cn/57565/57562.html","");
menu3.addItem("财务辅导",	"/index.php/news/cyqy/1/cn/57566/57562.html","");
var	menu4	=	ms.addMenu(document.getElementById("mainmenu4"));
menu4.addItem("最新公告",	"/index.php/news/cyqy/1/cn/57568/57567.html","");
menu4.addItem("公司新闻",	"/index.php/news/cyqy/1/cn/57569/57567.html","");
menu4.addItem("行业动态",	"/index.php/news/cyqy/1/cn/57570/57567.html","");

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