#ad-left {
  background: url("../images/ads/sar-west-2016-lft.jpg") no-repeat;
  height: 100%;
  width: 543px;
  position: fixed;
  top: 0;
  left: 0;
  overflow:hidden;
  text-indent:100%;
  white-space:nowrap;
}

#ad-right {
    background: url("../images/ads/20sroar.jpg") no-repeat;
    height: 100%;
    width: 543px;
    position: fixed;
	top: 0;
	right: 0;
    height: 100%
    overflow:hidden;
	text-indent:100%;
	white-space:nowrap;
}