if (mtDropDown.isSupported()) {
var ms = new mtDropDownSet(mtDropDown.direction.down, 0,0, mtDropDown.reference.bottomLeft);
var Menu1=ms.addMenu(document.getElementById("Menu1"));
Menu1.addItem('    公司简介','/company.html');
Menu1.addItem('    组织机构','/organizations.html');
Menu1.addItem('    企业文化','/culture.html');
Menu1.addItem('    企业剪影','/facility.html'); 

var Menu2=ms.addMenu(document.getElementById("Menu2"));
Menu2.addItem('    公司新闻','/new/typeid/1.html');
Menu2.addItem('    行业新闻','/new/typeid/2.html');

var Menu3=ms.addMenu(document.getElementById("Menu3"));
Menu3.addItem('    人才理念','/job.html');
Menu3.addItem('    招聘信息','/job-a.html');
Menu3.addItem('    自荐表','/job-b.html');
mtDropDown.renderAll();
}