function huadong(){
}
huadong.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 huadong();
	SDmodel.sd(["m01","m02"],["c01","c02"],"s01","s02");
	//SDmodel.sd(["mm01","mm02"],["cc01","cc02"],"sd01","sd02");
	SDmodel.sd(["mmmm01","mmmm02"],["cccc01","cccc02"],"sk01","sk02");
	SDmodel.sd(["mmmmm01","mmmmm02"],["ccccc01","ccccc02"],"sk01","sk02");
	SDmodel.sd(["mmmmmm01","mmmmmm02"],["cccccc01","cccccc02"],"sd01","sd02");
	SDmodel.sd(["mmmmmmm01","mmmmmmm02"],["ccccccc01","ccccccc02"],"sd01","sd02");
	SDmodel.sd(["mmmmmmmm01","mmmmmmmm02","mmmmmmmm03"],["cccccccc01","cccccccc02","cccccccc03"],"sd01","sd02");
	SDmodel.sd(["mmmmmmmmm01","mmmmmmmmm02","mmmmmmmmm03","mmmmmmmmm04","mmmmmmmmm05"],["ccccccccc01","ccccccccc02","ccccccccc03","ccccccccc04","ccccccccc05"],"sd01","sd02");
	SDmodel.sd(["mmmmmmmmmm01","mmmmmmmmmm02","mmmmmmmmmm03","mmmmmmmmmm04"],["cccccccccc01","cccccccccc02","cccccccccc03","cccccccccc04"],"sd01","sd02");
	SDmodel.sd(["mmmmmmmmmmm01","mmmmmmmmmmm02","mmmmmmmmmmm03","mmmmmmmmmmm04"],["ccccccccccc01","ccccccccccc02","ccccccccccc03","ccccccccccc04"],"sj01","sj02");
	SDmodel.sd(["mmmmmmmmmmmm01","mmmmmmmmmmmm02","mmmmmmmmmmmm03","mmmmmmmmmmmm04"],["cccccccccccc01","cccccccccccc02","cccccccccccc03","cccccccccccc04"],"sd01","sd02");
	SDmodel.sd(["mmmmmmmmmmmmm01","mmmmmmmmmmmmm02","mmmmmmmmmmmmm03","mmmmmmmmmmmmm04","mmmmmmmmmmmmm05"],["ccccccccccccc01","ccccccccccccc02","ccccccccccccc03","ccccccccccccc04","ccccccccccccc05"],"sd01","sd02");
	SDmodel.sd(["mmmmmmmmmmmmmm01","mmmmmmmmmmmmmm02"],["cccccccccccccc01","cccccccccccccc02"],"sd01","sd02");
}