if (mtDropDown.isSupported()) 
		{
			var ms = new mtDropDownSet(mtDropDown.direction.down, -24, 8, mtDropDown.reference.bottomLeft);

var	menu1	=	ms.addMenu(document.getElementById("mainmenu1"));
menu1.addItem("==公司简介==","gs1.asp","_self");
menu1.addItem("==企业资源==","gs2.asp","_self");
menu1.addItem("==法人致辞==","gs3.asp","_self");
menu1.addItem("==企业理念==","gs4.asp","_self");
menu1.addItem("==公司荣誉==","gs5.asp","_self");

var	menu2	=	ms.addMenu(document.getElementById("mainmenu2"));
menu2.addItem("===国 内===","yxwl.asp","_self");
menu2.addItem("===国 外===","yxwl2.asp","_self");
			mtDropDown.renderAll();
		}
		//初始菜单
		window.onload = init;