function popAmbiance(img) {
  var body = top.document.getElementsByTagName('body')[0];

  closeAmbiance();
	
  if (typeof(olddiv) == 'object' && olddiv != null) {
    body.removeChild(olddiv);
  }

  var div = top.document.createElement('DIV');
  div.style.position = 'absolute';
  div.style.zIndex = 200;
  div.id='popdiv';
	
  body.appendChild(div);
	
	
  div.style.top = 140;
  div.style.left = 90;
  div.innerHTML = "<a href=\"javascript:closeAmbiance()\"><img src=\"images/pop-"+img+".jpg\" border=\"0\"/></a>";
}


function closeAmbiance() {
  var body = top.document.getElementsByTagName('body')[0];
  var olddiv = top.document.getElementById('popdiv');
	
  if (typeof(olddiv) == 'object' && olddiv != null) {
    body.removeChild(olddiv);
  }

}