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(["m01","m02","m03","m04","m05","m06","m07","m08","m09","m10","m11"],["c01","c02","c03","c04","c05","c06","c07","c08","c09","c10","c11"],"sd01","sd02");
	SDmodel.sd(["mm01","mm02","mm03","mm04","mm05","mm06","mm07","mm08","mm09","mm10","mm11"],["cc01","cc02","cc03","cc04","cc05","cc06","cc07","cc08","cc09","cc10","cc11"],"sd01","sd02");
	SDmodel.sd(["mmm01","mmm02","mmm03","mmm04","mmm05","mmm06","mmm07","mmm08","mmm09","mmm10","mmm11"],["ccc01","ccc02","ccc03","ccc04","ccc05","ccc06","ccc07","ccc08","ccc09","ccc10","ccc11"],"sd01","sd02");
}