$server_dir = '/home/web/htdocs/bin/img/highlights';
$www_dir = '/bin/img/highlights';
//print_r($_COOKIE);
if (!isset($_COOKIE['random']))
{
$handle=opendir($server_dir);
$counter = 0;
//load array with file names
while ($file = readdir($handle))
{
if ($file != "." && $file != "..")
{
$arr_Images[$counter] = $file;
$counter++;
}
}
closedir($handle);
$randID = mt_rand(0,$counter - 1);
setcookie("random", $randID, time()+3600);
}
elseif (isset($_COOKIE['random']))
{
$handle=opendir($server_dir);
$counter = 0;
//load array with file names
while ($file = readdir($handle))
{
if ($file != "." && $file != "..")
{
$arr_Images[$counter] = $file;
$counter++;
}
}
closedir($handle);
$randID = $_COOKIE['random'];
//echo $randID;
if ($randID < $counter - 1)
{
$randID = $randID + 1;
setcookie("random", $randID, time()+3600);
//echo $randID;
}
elseif ($randID == $counter - 1)
{
$randID = 0;
setcookie("random", $randID, time()+3600);
}
}
if (strlen($arr_Images[$randID]) == 7)
{
$dept = substr($arr_Images[$randID], 0, -5);
$highlight = substr($arr_Images[$randID], 2, -4);
switch ($dept)
{
case "in":
$dept = "informatics";
break;
case "st":
$dept = "statistics";
break;
case "cs":
$dept = "computerscience";
break;
}
}
if (strlen($arr_Images[$randID]) == 8)
{
$dept = substr($arr_Images[$randID], 0, -6);
$highlight = substr($arr_Images[$randID], 2, -4);
switch ($dept)
{
case "in":
$dept = "informatics";
break;
case "st":
$dept = "statistics";
break;
case "cs":
$dept = "computerscience";
break;
}
}
echo "
";
ob_flush();
?>

Twenty-two Bren School courses are being offered this summer to offer students flexibility in scheduling. 