function showLargeFlashVersion() {
  /*Effect.hide($('middle-image'));*/
  document.getElementById('middle-image').style.display = "none";
  Effect.PercentAppear($('resize_wrapper'), 20);
  changeOpacity('resize_wrapper', 20);
  document.getElementById('close_wrapper').style.display = "block";
}
function showCloseLink() {
  document.getElementById('close_wrapper').style.display = "block";
}
function hideLargeFlashVersion() {
  /*Effect.Appear($('middle-image'));*/
  document.getElementById('middle-image').style.display = "block";
  Element.hide($('resize_wrapper'));
  changeOpacity('resize_wrapper', 0);
  document.getElementById('close_wrapper').style.display = "none";
}
function hideCloseLink() {
  document.getElementById('close_wrapper').style.display = "none";
}
function changeOpacity(id, opacity) {
  var objs = document.getElementById(id).style;
  objs.opacity = (opacity/100);
  objs.MozOpacity = (opacity/100);
  objs.KhtmlOpacity = (opacity/100);
  objs.filter = "alpha(opacity="+opacity+")";
}