function adBox()
{
    contentSize = 840;

    midden = ((document.documentElement['offsetWidth'] -2)/2 - 80);

    document.getElementById('centerrechts').style.left    = ((document.documentElement['offsetWidth']/2) + (contentSize /2)) + "px";
    document.getElementById('centerrechts').style.display = 'block';
}

// footer.tpl
function addEvent(obj, type, fn)
{
   if (obj.addEventListener)
   {
      obj.addEventListener(type, fn, false);
   }
   else if (obj.attachEvent)
   {
      obj["e"+type+fn] = fn;
      obj[type+fn] = function() { obj["e"+type+fn](window.event); }
      obj.attachEvent("on"+type, obj[type+fn]);
   }
}