if (mtDropDown.isSupported()) {

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

				


	
//第二菜单
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("About AZtel ", "../company/index.html");
		menu3.addItem("Organization Structure ", "../company/index2.html");
		menu3.addItem("Leader Team ", "../company/index3.html");
		menu3.addItem("Corporate Culture ", "../company/index4.html");
	
        //menu :  4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem(" Service1 ", "../service/index.html"); 
		menu4.addItem(" Service2 ", "../service/index2.html"); 
		menu4.addItem(" Service3 ", "../service/index3.html"); 
		menu4.addItem(" Service4 ", "../service/index4.html"); 
		menu4.addItem(" Service5 ", "../service/index5.html"); 
		menu4.addItem(" Service6 ", "../service/index6.html"); 
		menu4.addItem(" Service7 ", "../service/index7.html"); 
		menu4.addItem(" Service8 ", "../service/index8.html"); 
		menu4.addItem(" Service9 ", "../service/index9.html"); 
		menu4.addItem(" Service10 ", "../service/index10.html"); 


		//menu : 5
		var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("ZhongCheng Communications Ltd，JiangSu", "../partners/index.html");
		menu5.addItem("APEX Globalnet Inc", "../partners/index2.html");
		
		// menu : 6
		//var menu6 = ms.addMenu(document.getElementById("menu6"));


		// menu : 7
		//var menu7 = ms.addMenu(document.getElementById("menu7"));
		//menu7.addItem(" 中美国分公司 ", "../contact/index.html");
		
		
		mtDropDown.renderAll();
	}