if (mtDropDown.isSupported()) {
		var ms = new mtDropDownSet(mtDropDown.direction.down, 0, 0, mtDropDown.reference.bottomLeft);
		var menu1 = ms.addMenu(document.getElementById("menu1"));
		menu1.addItem("- 自然概况","category.jsp?category=3224"); 
		menu1.addItem("- 荣誉室","category.jsp?category=3225");
		menu1.addItem("- 沙洲动态","category.jsp?category=3226");	
//第二菜单
		var menu2 = ms.addMenu(document.getElementById("menu2"));
		menu2.addItem("- 队伍建设", "category.jsp?category=3217"); 
		menu2.addItem("- 人才高地", "category.jsp?category=3218");
		menu2.addItem("- 时代先锋", "category.jsp?category=3208");
		// menu : 3
		var menu3 = ms.addMenu(document.getElementById("menu3"));
		menu3.addItem("- 社区党建", "category.jsp?category=3212");
		menu3.addItem("- 非公党建", "category.jsp?category=3213");
		menu3.addItem("- 双带工程", "category.jsp?category=3220");
		menu3.addItem("- 电教园地", "category.jsp?category=3204");
		// menu : 4
		var menu4 = ms.addMenu(document.getElementById("menu4"));
		menu4.addItem("- 工会建设", "category.jsp?category=3221");
		menu4.addItem("- 巾帼阵地", "category.jsp?category=3222");
		menu4.addItem("- 青年中心", "category.jsp?category=3223");
		// menu : 5
		var menu5 = ms.addMenu(document.getElementById("menu5"));
		menu5.addItem("- 理论论坛", "category.jsp?category=3232");
		menu5.addItem("- 党外人士", "category.jsp?category=3233");
		menu5.addItem("- 民族宗教", "category.jsp?category=3234");
		menu5.addItem("- 海外统战", "category.jsp?category=3235");
		menu5.addItem("- 非公经济", "category.jsp?category=3236");
		menu5.addItem("- 基层统战", "category.jsp?category=3237");
		
		mtDropDown.renderAll();
	}