if (mtDropDown.isSupported()) {

		var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft);

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("  Speaking Manager", "zhici.asp");
		menu1.addItem("  Corporate Culture", "wenhua.asp");
		menu1.addItem("  Company advantage ", "youshi.asp");
 		mtDropDown.renderAll();
	}