.calque{
  opacity:.80;
  color: #FFFFFF;
  position: absolute;
  visibility : hidden;
  padding: 0px;
  font-family: Courrier;
  align: center;
  font-size: 8pt;
  background-color: #000000;
  opacity : .75;
  filter : alpha(opacity=75);
  width: 100%;
  height : 200%;
  top : 0;
  left : 0 ;

}

.image_calque{
	height: 100%;
}

.window{
  color: #FFFFFF;
  position: absolute;
  visibility : hidden;
  padding: 0px;
  font-family: Courrier;
  align: center;
  font-size: 8pt;
  background-color: #FFFFFF;
  width: 750;
  height : 600;
  top : 5%;
  left : 20%;
  bettom : 10%

}

.contemp_window{
  width: 100%;
  height : 100%;
  border : 0;
}