/*
div#BRcontainer{
  _height: expression(documentElement.clientHeight);
}
div#BRnav {
  _position:absolute;
  _top: expression(documentElement.scrollTop + documentElement.clientHeight-this.offsetHeight); 
}
*/
#epubreader{
  width: 100%;
  height: 600px;
}

iframe.fileviewer {
  width: 99%;
  min-width: 640px;
  height: 800px;
}