if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- Introduction","about.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("- Companies Honor","Honor.asp");	// send no URL if nothing should happen onclick
	
//µÚ¶þ²Ëµ¥
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- Product Categories", "Products.asp"); // send no URL if nothing should happen onclick
		menu2.addItem("- Search product", "search.asp");

		// menu : 3
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- HR strategy", "Jobs.asp");
				
		// menu : 4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- Contact us", "Contact.asp");
		
					
	
		mtDropDown.renderAll();
	}