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

var	menu1	=	ms.addMenu(document.getElementById("mainmenu1"));
menu1.addItem("新闻动态",	"?action=news|admin|360|cn|416|75","_blank");
menu1.addItem("招聘",	"?action=text|admin|360|cn|568|75","_blank");
var	menu4	=	ms.addMenu(document.getElementById("mainmenu4"));
menu4.addItem("百度竞价排名",	"?action=text|admin|360|cn|402|5","_blank");
menu4.addItem("GOOGLE搜索引擎",	"?action=text|admin|360|cn|403|5","_blank");
menu4.addItem("搜狐搜索引擎",	"?action=text|admin|360|cn|404|5","_blank");
menu4.addItem("3721网络实名",	"?action=text|admin|360|cn|406|5","_blank");
menu4.addItem("网易网站推广",	"?action=text|admin|360|cn|407|5","_blank");
var	menu5	=	ms.addMenu(document.getElementById("mainmenu5"));
menu5.addItem("域名问答",	"?action=news|admin|360|cn|408|12","_blank");
menu5.addItem("网站建设",	"?action=news|admin|360|cn|409|12","_blank");
menu5.addItem("企业邮局",	"?action=news|admin|360|cn|410|12","_blank");
menu5.addItem("网站推广",	"?action=news|admin|360|cn|411|12","_blank");
menu5.addItem("虚拟主机",	"?action=news|admin|360|cn|412|12","_blank");
menu5.addItem("设计知识",	"?action=news|admin|360|cn|413|12","_blank");
menu5.addItem("搜索引擎优化",	"?action=news|admin|360|cn|414|12","_blank");
menu5.addItem("其它常见问题",	"?action=news|admin|360|cn|415|12","_blank");

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