#popup-image
{
	position:fixed;
	_position:absolute;

	_top:expression(Math.max(document.body.scrollTop + 0.5*(viewportHeight-currentPopupImage.currentHeight()),50));

  left:0;
  margin:0;
  padding:0;
}

#image-loading
{
	position:fixed;
	_position:absolute;

	_top:expression( document.body.scrollTop + 0.5*(viewportHeight-imageLoadingElem.offsetHeight) );

  left:0;
  margin:0;
  padding:0;

  z-index: 1000;
}