if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("   ，Company's introduction", "eabout.htm");
		menu1.addItem("   ，Company's organization", "eorg.htm");
		menu1.addItem("   ，Company's development process", "egrow.htm");
		menu1.addItem("   ，Company's achievements", "epride.htm");
		
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("  ，Digital Television Device", "edtv.htm");
		menu2.addItem("  ，Optical Communication Device", "eocq.htm");
		menu2.addItem("  ，CATV Measuring Instrument", "ecatvtest.htm");
		menu2.addItem("  ，Wireless Communication Base Station Equipment", "ewireless.htm");
		menu2.addItem("  ，Intelligent Temperature Control Ventilation System", "efan.htm");
		menu2.addItem("  ，Video & Audio Device", "evaq.htm");
		menu2.addItem("  ，Power Supply Device", "eups.htm");
		menu2.addItem("  ，Passive Component", "ewy.htm");
		menu2.addItem("  ，Series Amplifier", "eamq.htm");
		menu2.addItem("  ，Management and Control System for CATV Charge", "epaysys.htm");
		menu2.addItem("  ，Management System for CATV Network", "eadmsys.htm");
		
		mtDropDown.renderAll();
	}