up and Download til Script php

<?
if ($upfile)
{
if (copy($upfile,($mappe).($upfile_name)))
{
echo "<br>Upload successful!<br>";
}
}

?>
<form enctype=multipart/form-data action=$PHP_SELF method=post>
Enter file name <input name=upfile type=file>
<input type=submit></form>
til upload!
og:
$d = dir($mappe);
while($entry=$d->read()) {
print "<a href=uploadside.dk/<undermappe>/$entry>$entry</a><br>";
}
for listning og download af filer i dir.