if (mtDropDown.isSupported()) {

		var ms = new mtDropDownSet(mtDropDown.direction.down, 0, -1, mtDropDown.reference.bottomLeft);

		var menu0 = ms.addMenu(document.getElementById("menu0"));
		menu0.addItem("Introduction", "about.aspx");
		menu0.addItem("Our Team", "missions.aspx");
		
		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("Amino acis", "products.aspx?classid=11");
		menu1.addItem("Saccharides", "products.aspx?classid=12");
		menu1.addItem("Piperidines", "products.aspx?classid=5");
		menu1.addItem("Piperazines", "products.aspx?classid=6");
		menu1.addItem("Pyrrolidines", "products.aspx?classid=7");
		menu1.addItem("Indoles", "products.aspx?classid=8");
		menu1.addItem("Camptothecin Derivatives", "cpt.aspx");
		menu1.addItem("Other Heterocylic compounds", "products.aspx?classid=9");
		menu1.addItem("Soy Isoflavones", "SoyIsoflavones.aspx");
		menu1.addItem("Capsaicin", "capsaicin.aspx");
		
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("Custom Synthesis", "Custom.aspx");
		menu2.addItem("Contract Research", "contract.aspx");
		menu2.addItem("Technology Transfer", "ntechnology.aspx");
		
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("Q.C.system", "zlkz.aspx");
		menu3.addItem("Testing Instrument", "csjy.aspx");
		menu3.addItem("Quality Control Graph", "Quality.aspx");
		
	
        var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("Sales", "contact.aspx");
		menu4.addItem("Feedback", "feedback.aspx");
		menu4.addItem("Careers", "job.aspx");
	var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("Company News", "news.aspx?classid=1");
		menu5.addItem("Industry News", "news.aspx?classid=11");
		menu5.addItem("Media reports", "news.aspx?classid=12");
        mtDropDown.renderAll();
	}