if (mtDropDown.isSupported()) {

		var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft);
		
		// menu : products services
		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- Overview", "../products/index.htm"); 
		menu1.addItem("- KWS", "../products/kws.htm"); 
		menu1.addItem("- KMS", "../products/elkms.htm");
		menu1.addItem("- L-TAG                   ", "../products/lta.htm");
		menu1.addItem("- ET-Training", "../products/training.htm");
		menu1.addItem("- Sales", "../products/sales.htm");
		menu1.addItem("- Support", "../products/support.htm");
		
		//==================================================================================================
				
		// menu : customers
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- K12");
		menu3.addItem("- Higher Education");
		menu3.addItem("- Community Centers");
		menu3.addItem("- Libraries");
		menu3.addItem("- Corporate", "../customers/corporations.htm");
		menu3.addItem("- Government", "../customers/government.htm");
		
		//==================================================================================================

		// menu : partners
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- Kuang Chien", "../partners/kuang_chien.htm");
		menu4.addItem("- LearningDigital.com", "../partners/learningdigital.htm");
		menu4.addItem("- GKE Beijing", "../partners/gke_beijing.htm");
		menu4.addItem("- GKE USA", "../partners/gke_usa.htm");
		menu4.addItem("- GKE China", "../partners/gke_china.htm");
		menu4.addItem("- Centrix Technology", "../partners/centrix_technology.htm");
		menu4.addItem("- Digiseed", "../partners/digiseed.htm");
		
		//==================================================================================================

		// menu : aboutus
		var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("- Company Profile", "../aboutus/company_profile.htm");
		menu5.addItem("- Corporate Management", "../aboutus/management_team.htm");
		menu5.addItem("- Contact Us", "../aboutus/contact_us.htm");				

		//==================================================================================================



		mtDropDown.renderAll();
		}