window.onload = function(){
var SDmodel = new scrollDoor();
SDmodel.sd(["m01","m02","m03","m04","m05","m06","m07","m08","m09"],["c01","c02","c03","c04","c05","c06","c07","c08","c09"],"sd01","sd02");

}
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;
}
}