//根据一级菜单项目的数目来写下面的new
	new ypSlideOutMenu("menu1", "down", 0, 0, 0, 0)
	new ypSlideOutMenu("menu2", "down", 80, 40,700, 52)
	new ypSlideOutMenu("menu3", "down", 200, 40, 700, 52)
	new ypSlideOutMenu("menu4", "down", 280, 40, 700, 52)
	new ypSlideOutMenu("menu5", "down", 400, 40, 700, 52)
	new ypSlideOutMenu("menu6", "down", 380, 40, 700, 52)
	new ypSlideOutMenu("menu7", "down", 20, 40, 700, 52)
	ypSlideOutMenu.writeCSS();
	
	//根据上面的数目和html文件当中的shMenu 的 id来修改下面的 阿拉伯数字。
	function shMenu(){
		var shMenu1 = document.getElementById("shMenu1");
	shMenu1.onmouseover = function(){
		ypSlideOutMenu.showMenu('menu1');
		}
	shMenu1.onmouseout = function(){
		ypSlideOutMenu.hideMenu('menu1');
		}

	var shMenu2 = document.getElementById("shMenu2");
	shMenu2.onmouseover = function(){
		ypSlideOutMenu.showMenu('menu2');
		}
	shMenu2.onmouseout = function(){
		ypSlideOutMenu.hideMenu('menu2');
		}

	var shMenu3 = document.getElementById("shMenu3");
	shMenu3.onmouseover = function(){
		ypSlideOutMenu.showMenu('menu3');
		}
	shMenu3.onmouseout = function(){
		ypSlideOutMenu.hideMenu('menu3');
		}

	var shMenu4 = document.getElementById("shMenu4");
	shMenu4.onmouseover = function(){
		ypSlideOutMenu.showMenu('menu4');
		}
	shMenu4.onmouseout = function(){
		ypSlideOutMenu.hideMenu('menu4');
		}

	var shMenu5 = document.getElementById("shMenu5");
	shMenu5.onmouseover = function(){
		ypSlideOutMenu.showMenu('menu5');
		}
	shMenu5.onmouseout = function(){
		ypSlideOutMenu.hideMenu('menu5');
		}

	var shMenu6 = document.getElementById("shMenu6");
	shMenu6.onmouseover = function(){
		ypSlideOutMenu.showMenu('menu6');
		}
	shMenu6.onmouseout = function(){
		ypSlideOutMenu.hideMenu('menu6');
		}

	var shMenu7 = document.getElementById("shMenu7");
	shMenu7.onmouseover = function(){
		ypSlideOutMenu.showMenu('menu7');
		}
	shMenu7.onmouseout = function(){
		ypSlideOutMenu.hideMenu('menu7');
		}

	}

	function addLoadEvent( func ){
	var oldonload = window.onload;
	if ( typeof window.onload != 'function' ){
		window.onload = func;
	}else{
		window.onload = function(){
		oldonload();
		func();
		}
	}
}

	addLoadEvent(shMenu);