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样!");
			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(["fm01","fm02"],["fc01","fc02"],"on","on02");


    SDmodel.sd(["hm01","hm02","hm03"],["hc01","hc02","hc03"],"on","on02");
    SDmodel.sd(["bm01","bm02","bm03","bm04"],["bc01","bc02","bc03","bc04"],"on","on02");

}


function getid(id){
    return document.getElementById(id);
}