if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 虹吸排水","product.asp?BigClassName=虹吸排水系统"); 
		menu1.addItem("- 同层排水","product.asp?BigClassName=虹吸排水系统"); 
		menu1.addItem("- 污水提升","product.asp?BigClassName=虹吸排水系统");
		
	
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 大堂用品", "product.asp?BigClassName=大堂用品"); 
		menu2.addItem("- 客房用品", "product.asp?BigClassName=客房用品"); 
		menu2.addItem("- 清洁用品", "product.asp?BigClassName=清洁用品"); 

		// menu : 3
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- 卫浴", "product.asp?BigClassName=卫浴");
		menu3.addItem("- 龙头", "product.asp?BigClassName=龙头");
		menu3.addItem("- 淋浴", "product.asp?BigClassName=淋浴");
		
		
		// menu : 4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- Devon 浴缸 ", "product.asp?BigClassName=Devon-Devon&smallClassName=Devon 浴缸");
		menu4.addItem("- Devon 洁具 ", "product.asp?BigClassName=Devon-Devon&smallClassName=Devon 洁具");
		menu4.addItem("- Devon 五金 ", "product.asp?BigClassName=Devon-Devon&smallClassName=Devon 五金");
	
		
				
		


	
		mtDropDown.renderAll();
	}