if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("Stepper Drivers","stepperdrives.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("Integrated Stepper Motor","integratedmotor.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("Servo Drives","SV7.asp"); // send no URL if nothing should happen onclick

		menu1.addItem("Software","software.asp");
	
		//µÚ¶þ²Ëµ¥
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("Hardware Manuals", "hardwaremanuals.asp"); 
		menu2.addItem("Software Downloads", "software_download.asp"); 
		menu2.addItem("F.A.Q.", "faq.asp"); // send no URL if nothing should happen onclick
	
		mtDropDown.renderAll();
	}