function scrollDoor(){
}
scrollDoor.prototype = {
	sd : function(menus,divs,openClass,closeClass){
		var _this = this;
		if(menus.length != divs.length)
		{
			alert("菜单层数量和内容层数量不一�?");
			return false;
		}				
		for(var i = 0 ; i < menus.length ; i++)
		{	
			_this.$(menus[i]).value = i;				
			_this.$(menus[i]).onmouseover = function(){
					
				for(var j = 0 ; j < menus.length ; j++)
				{						
					_this.$(menus[j]).className = closeClass;
					_this.$(divs[j]).style.display = "none";
				}
				_this.$(menus[this.value]).className = openClass;	
				_this.$(divs[this.value]).style.display = "block";				
			}
		}
		},
	$ : function(oid){
		if(typeof(oid) == "string")
		return document.getElementById(oid);
		return oid;
	}
}
window.onload = function(){
	var SDmodel = new scrollDoor();
	SDmodel.sd(["new05","new02","new03","new04","new01"],["newinfo05","newinfo02","newinfo03","newinfo04","newinfo01"],"newnav01","newnav02");
	SDmodel.sd(["book01","book02","book03"],["bookinfo01","bookinfo02","bookinfo03"],"booknav01","booknav02","booknav03");
	SDmodel.sd(["booker01","booker02"],["bookinfoer01","bookinfoer02"],"booknav01","booknav02");
	//document.getElementById("new05").style.display = "block";
	document.getElementById("new05").className = "newnav01";
	//document.getElementById("new01").style.display = "none";
    document.getElementById("new01").className = "newnav02";
	document.getElementById("newinfo05").style.display = "block";
	document.getElementById("newinfo01").style.display = "none";
}