// JScript 文件

//滑动门
 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致');
                 return false;
             }
             
             for(var i = 0 ; i < menus.length ; i++)
             { 
                _this.$(menus[i]).flag=++this.value;
                _this.$(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(["span1","span2","span3"],
           ["c01","c02","c03"],"sd01","sd02");

            
       }