";
for ($i=1; $i <= $numPieces; $i++) {
// if this is the current image, don't make it a link
if ($i == $currImageNum)
echo "$currImageNum";
// otherwise, make a link to the image
else
echo "$i"; }
// put image here
echo "
";
// set path to html file containing the caption for this image
$currFilePath = sprintf("%s/%d.htm",$dir,$currImageNum);
// dump caption content here
readfile($currFilePath);
// set value for previous image, but don't look for
// images before the first image
$prevImageNum = $currImageNum - 1;
if ($prevImageNum == 0) $prevImageNum = $numPieces;
// set value for nest image, but don't look for
// images beyond the last image
$nextImageNum = $currImageNum + 1;
if ($nextImageNum> $numPieces) $nextImageNum = 1;
// create previous and next buttons
echo "
";
?>