#DetailLink {
  display: block;
  width: 13px;
  height: 12px;
  background: url("/wilson/Images/ranges.gif") no-repeat 0 0;

}

#DetailLink:hover { 
  background-position: 0 -12px;
}

#DetailLink span {
  display: none;
}

#NewLink {
  display: block;
  width: 16px;
  height: 16px;
  background: url("/wilson/Images/new_files.gif") no-repeat 0 0;

}

#NewLink:hover { 
  background-position: 0 -16px;
}

#NewLink span {
  display: none;
}