Thanks for your instructions, Bogu. I have followed your codes given but still not working. 3 files uploaded: "test.php", "return_movie.php" and "wmv.wmv"
http://melody.freeprohost.com/test.php
<PARAM NAME="fileName" VALUE="return_movie.php?filename=wmv.wmv">
return_movie.php:
<html>
<head>
<title></title>
</head>
<body>
<form action="return_movie.php" method="get">
</form>
<?php
echo "real_path_to_the_movie/{$_GET['wmv.wmv']}";
?>
</body>
</html>