function scrollzlDoor(){
}
scrollzlDoor.prototype = {
sdd : 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 a = 0 ; a < menus.length ; a++)
   { 
    _this.$(menus[a]).value = a;    
    _this.$(menus[a]).onmousedown = function(){
     
     for(var k = 0 ; k < menus.length ; k++)
     {      
      _this.$(menus[k]).className = closeClass;
      _this.$(divs[k]).style.display = "none";
     }
     _this.$(menus[this.value]).className = openClass; 
     _this.$(divs[this.value]).style.display = "block";    
    }
   }
   },
$ : function(cid){
   if(typeof(cid) == "string")
   return document.getElementById(cid);
   return cid;
}
}
window.onload = function(){
var SDDmodel = new scrollzlDoor();
SDDmodel.sdd(["Area01","Area02","Area03","Area04","Area05","Area06"],["Contact01","Contact02","Contact03","Contact04","Contact05","Contact06"],"cur","mo");
}