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

var	menu2	=	ms.addMenu(document.getElementById("mainmenu2"));
menu2.addItem("领导简介",	"?action=text|school|1692|cn|3719|3710","_blank");
var	menu6	=	ms.addMenu(document.getElementById("mainmenu6"));
menu6.addItem("就业政策",	"?action=text|school|1692|cn|3720|3714","_blank");
menu6.addItem("就业信息",	"http://www.myjob.edu.cn/","_blank");
var	menu8	=	ms.addMenu(document.getElementById("mainmenu8"));
menu8.addItem("图书馆概况",	"?action=text|school|1692|cn|3722|3716","_blank");

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