if (mtDropDown.isSupported()) {
	var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft);
	var menu3 = ms.addMenu(document.getElementById("menu3"));
	menu3.addItem("- 单期教师期刊","module.php?name=column1");
	menu3.addItem("- 双期学生期刊","module.php?name=column2");
	
	var menu5 = ms.addMenu(document.getElementById("menu5"));
	menu5.addItem("- 编辑部", "module.php?name=editorNow");
	menu5.addItem("- 历届编委", "module.php?name=editorHistory");

	mtDropDown.renderAll();
}