if (mtDropDown.isSupported()) {  var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft); var menu1 = ms.addMenu(document.getElementById("menu1"));menu1.addItem("周南简介", "?m=news&id=10");menu1.addItem("周南顾问", "?m=news&id=21");var menu2 = ms.addMenu(document.getElementById("menu2"));menu2.addItem("活动简报", "?m=news&id=17");menu2.addItem("活动实录", "?m=news&id=24");var menu3 = ms.addMenu(document.getElementById("menu3"));menu3.addItem("会员简介", "?m=news&id=27");menu3.addItem("会员文撷", "?m=news&id=31");var menu4 = ms.addMenu(document.getElementById("menu4"));menu4.addItem("活动公告", "?m=news&id=4");menu4.addItem("周南视点", "?m=news&id=28");menu4.addItem("媒体报道", "?m=news&id=3");var menu5 = ms.addMenu(document.getElementById("menu5"));menu5.addItem("曾卓故居", "?m=news&id=14");menu5.addItem("活动图片", "?m=news&id=15");menu5.addItem("名家留影", "?m=news&id=23");menu5.addItem("周南视频", "?m=news&id=29");menu5.addItem("周南墨宝", "?m=news&id=30");mtDropDown.renderAll();}