if (!window.YUKU) var YUKU = { }

YUKU.rollover =
{
   init : function (map)
   {
      var wrapper = get_by_id('wrapper');
      var imgs = get_by_tag('IMG', wrapper);

      for (var i = 0; i < imgs.length; i++)
      {
         if (map[imgs[i].src])
         {
            imgs[i].out = imgs[i].src;
            imgs[i].over = map[imgs[i].src];

            imgs[i].onmouseover = function () { this.src = this.over; }
            imgs[i].onmouseout = function () { this.src = this.out; }
         }
      }
   }
}