if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("  变频汽油发电机 ", "frequency conversion.html");
		menu1.addItem("  豪华型汽油发电机", "luxurious.html");
		menu1.addItem("  10KVA汽油发电机", "10KVA.html");
		menu1.addItem("  发电电焊机", "welder.html");
		menu1.addItem("  柴油静音型发电机", "diesel.html");
		
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("  欧电发电机", "Egenerating16000TE.html");
		menu2.addItem("  欧电发电焊机", "EgeneratingEP220X2EC.html");
	
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("  G100K2", "hondaG100K2.html");
		menu3.addItem("  GX120K1", "hondaGX120K1.html");
		menu3.addItem("  GX160H1", "hondaGX160H1.html");
		menu3.addItem("  GX200", "hondaGX200.html");
		menu3.addItem("  GX240K1/270", "hondaGX240K1270.html");
		menu3.addItem("  GX340K1/390K1", "hondaGX340K1390K1.html");
		menu3.addItem("  GX610K1/620K1", "hondaGX610K1620K1.html");
		menu3.addItem("  GX670", "hondaGX670.html");
		menu3.addItem("  GXV120", "hondaGXV120.html");
		menu3.addItem("  GXV160K1", "hondaGXV160K1.html");
		menu3.addItem("  GXV270K1", "hondaGXV270K1.html");

		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("  英杰尔冰箱", "car.html");
		
		
		mtDropDown.renderAll();
	}