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|193|cn|416|75","_blank");
var	menu7	=	ms.addMenu(document.getElementById("mainmenu7"));
menu7.addItem("域名问答",	"?action=news|admin|193|cn|408|12","_blank");
menu7.addItem("网站建设",	"?action=news|admin|193|cn|409|12","_blank");
menu7.addItem("企业邮局",	"?action=news|admin|193|cn|410|12","_blank");
menu7.addItem("网站推广",	"?action=news|admin|193|cn|411|12","_blank");
menu7.addItem("虚拟主机",	"?action=news|admin|193|cn|412|12","_blank");
menu7.addItem("设计知识",	"?action=news|admin|193|cn|413|12","_blank");
menu7.addItem("搜索引擎优化",	"?action=news|admin|193|cn|414|12","_blank");
menu7.addItem("其它常见问题",	"?action=news|admin|193|cn|415|12","_blank");

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