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

var	menu2	=	ms.addMenu(document.getElementById("mainmenu2"));
menu2.addItem("概述",	"?action=text|studyonly|2227|cn|4843|4837","_blank");
menu2.addItem("教学环境",	"?action=text|studyonly|2227|cn|4844|4837","_blank");
menu2.addItem("新闻中心",	"?action=news|studyonly|2227|cn|4845|4837","_blank");
menu2.addItem("Only Family",	"?action=text|studyonly|2227|cn|4846|4837","_blank");
var	menu3	=	ms.addMenu(document.getElementById("mainmenu3"));
menu3.addItem("设计学院",	"?action=text|studyonly|2227|cn|4847|4838","_blank");
menu3.addItem("网络学院",	"?action=text|studyonly|2227|cn|4848|4838","_blank");
menu3.addItem("微软学院",	"?action=text|studyonly|2227|cn|4849|4838","_blank");
var	menu4	=	ms.addMenu(document.getElementById("mainmenu4"));
menu4.addItem("职业教育服务",	"?action=text|studyonly|2227|cn|4850|4839","_blank");
menu4.addItem("IT认证服务",	"?action=text|studyonly|2227|cn|4851|4839","_blank");
menu4.addItem("学历技能服务",	"?action=text|studyonly|2227|cn|4852|4839","_blank");
menu4.addItem("企业培训服务",	"?action=text|studyonly|2227|cn|4853|4839","_blank");
menu4.addItem("就业推荐服务",	"?action=text|studyonly|2227|cn|4854|4839","_blank");
var	menu5	=	ms.addMenu(document.getElementById("mainmenu5"));
menu5.addItem("特惠方案",	"?action=text|studyonly|2227|cn|4855|4840","_blank");
menu5.addItem("名师介绍",	"?action=text|studyonly|2227|cn|4856|4840","_blank");
menu5.addItem("免费课程",	"?action=text|studyonly|2227|cn|4857|4840","_blank");
menu5.addItem("教学成果",	"?action=text|studyonly|2227|cn|4858|4840","_blank");
var	menu6	=	ms.addMenu(document.getElementById("mainmenu6"));
menu6.addItem("联系方式",	"?action=text|studyonly|2227|cn|4859|4841","_blank");
menu6.addItem("入学指南",	"?action=text|studyonly|2227|cn|4860|4841","_blank");
menu6.addItem("在线留言",	"?action=guest|studyonly|2227|cn|4863|4841","_blank");
var	menu7	=	ms.addMenu(document.getElementById("mainmenu7"));
menu7.addItem("合作方式",	"?action=text|studyonly|2227|cn|4861|4842","_blank");
menu7.addItem("合作联系",	"?action=text|studyonly|2227|cn|4862|4842","_blank");

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