if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("第一期：沙沙","http://www.cunrentj.com/star/001/star_001.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("第二期：张林昊","http://www.cunrentj.com/star/002/star_002.asp"); // send no URL if nothing should happen onclick
		menu1.addItem("第三期：徐超","http://www.cunrentj.com/star/003/star_003.asp");
		
	
//第二菜单
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		
	
		// menu : 3
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		
		
		// menu : 4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		
		
		// menu : 5
		var menu5 = ms.addMenu(document.getElementById("menu5"));
		

		// menu : 6
		var menu6 = ms.addMenu(document.getElementById("menu6"));
		
		// menu : 7
		var menu7 = ms.addMenu(document.getElementById("menu7"));
		
	
		mtDropDown.renderAll();
	}