var isIE = (document.all) ? true : false;
var $ = function (id) {
 return "string" == typeof id ? document.getElementById(id) : id;
};
var Class = {
 create: function() {
  return function() { this.initialize.apply(this, arguments); }
 }
}
var Extend = function(destination, source) {
 for (var property in source) {
  destination[property] = source[property];
 }
}
var Bind = function(object, fun) {
 return function() {
  return fun.apply(object, arguments);
 }
}
var Each = function(list, fun){
 for (var i = 0, len = list.length; i < len; i++) { fun(list[i], i); }
};
var RevealTrans = Class.create();
RevealTrans.prototype = {
  initialize: function(container, options) {
 this._img = document.createElement("img");
 this._a = document.createElement("a");
 this._timer = null;
 this.Index = 0;
 this._onIndex = -1;
 this.SetOptions(options);
 this.Auto = !!this.options.Auto;
 this.Pause = Math.abs(this.options.Pause);
 this.Duration = Math.abs(this.options.Duration);
 this.Transition = parseInt(this.options.Transition);
 this.List = this.options.List;
 this.onShow = this.options.onShow;
 this._img.style.visibility = "hidden";
 this._img.style.width = this._img.style.height = "100%"; this._img.style.border = 0;
 this._img.onmouseover = Bind(this, this.Stop);
 this._img.onmouseout = Bind(this, this.Start);
 isIE && (this._img.style.filter = "revealTrans()");
 this._a.target = "_blank";
 $(container).appendChild(this._a).appendChild(this._img);
  },
  SetOptions: function(options) {
 this.options = {
  Auto:  true,
  Pause:  2000,
  Duration: 1,
  Transition: 23,
  List:  [],
  onShow:  function(){}
 };
 Extend(this.options, options || {});
  },
  Start: function() {
 clearTimeout(this._timer);

 if(!this.List.length) return;

 if(this.Index < 0 || this.Index >= this.List.length){ this.Index = 0; }

 if(this._onIndex != this.Index){ this._onIndex = this.Index; this.Show(this.List[this.Index]); }

 if(this.Auto){
  this._timer = setTimeout(Bind(this, function(){ this.Index++; this.Start(); }), this.Duration * 1000 + this.Pause);
 }
  },

  Show: function(list) {
 if(isIE){

  with(this._img.filters.revealTrans){
   Transition = this.Transition; Duration = this.Duration; apply(); play();
  }
 }
this._img.style.visibility = "";

 this._img.src = list.img; this._img.alt = list.text;

 !!list["url"] ? (this._a.href = list["url"]) : this._a.removeAttribute("href");

 this.onShow();
  },

  Add: function(sIimg, sText, sUrl) {
 this.List.push({ img: sIimg, text: sText, url: sUrl });
  },

  Stop: function() {
 clearTimeout(this._timer);
  }
};