if (mtDropDown.isSupported()) {

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

		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 公司简介","intro.asp"); 
		menu1.addItem("- 组织架构","zuzhi.asp");

		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 厂房出租", "product.asp?intent=1&pro_class=1"); 
		menu2.addItem("- 厂房出售", "product.asp?intent=2&pro_class=1");
		menu2.addItem("- 厂房求租", "product.asp?intent=3&pro_class=1");
		menu2.addItem("- 厂房求购", "product.asp?intent=4&pro_class=1");
	
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- 工业土地出租", "product.asp?intent=1&pro_class=2");
		menu3.addItem("- 工业土地出售", "product.asp?intent=2&pro_class=2");
		menu3.addItem("- 工业土地求租", "product.asp?intent=3&pro_class=2");
		menu3.addItem("- 工业土地求购", "product.asp?intent=4&pro_class=2");
		
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- 基金买卖", "jijin.asp");
		menu4.addItem("- 股票买卖", "gupiao.asp");
		
		var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("- 股权买卖", "maimai.asp");
		menu5.addItem("- 股权合资", "hezi.asp"); 				
	
		mtDropDown.renderAll();
	}