function px($price, $pct, $year, $initprice, $rental, $roi, $counter, &$result)
 {
     if ($counter == 0) {
         return $roi;
     } else {
         $price = $price + $price * ($pct / 100);
         $counter--;
         $rental = $rental + $rental;
         $roi = ($price - $initprice + $rental) / $initprice;
         $result = $roi;
         //print $price.' '.number_format($roi * 100, 1,'.',',').'%<br />';
         px($price, $pct, $year, $initprice, $rental, $roi, $counter, $result);
     }
 }
  width: 0px;
  height: 5px;
}
div.jp-play-time,
div.jp-total-time {
  position: absolute;
  top: <?php 
px($play_time_top);
?>
;
  left: <?php 
px($play_time_left);
?>
;
  width: <?php 
px($progress_width + 2);
?>
;
  font-size: .64em;
  font-style: oblique;
}
div.jp-total-time {
  text-align: right;
}

div.jp-playlist ul {
  list-style-type: none;
  margin: 0;
  padding-left: 0;
  background-color: #ccc;
  font-size: .72em;