upload help

[XxDeadmanxX]

I have image uploader. But i want  it to resize and rename if its possible. Here is the code im using
[code]<?php



echo('NOTE: This may take few seconds.
<br>

Upload images:


<FORM ENCTYPE="multipart/form-data" ACTION="upload.php" METHOD="POST">

The file: <INPUT TYPE="file" NAME="userfile">

<INPUT TYPE="submit" VALUE="Upload">

</FORM>');



$path = "uploads/";

$max_size = 200000000;



if (!isset($HTTP_POST_FILES['userfile'])) exit;



if (is_uploaded_file($HTTP_POST_FILES['userfile']['tmp_name'])) {



if ($HTTP_POST_FILES['userfile']['size']>$max_size) { echo "The file is too big<br>n"; exit; }

if (($HTTP_POST_FILES['userfile']['type']=="image/gif") || ($HTTP_POST_FILES['userfile']['type']=="image/pjpeg") || ($HTTP_POST_FILES['userfile']['type']=="image/jpeg") || ($HTTP_POST_FILES['userfile']['type']=="image/png") || ($HTTP_POST_FILES['userfile']['type']=="image/bmp")|| ($HTTP_POST_FILES['userfile']['type']=="image/gif")) {



if (file_exists($path . $HTTP_POST_FILES['userfile']['name'])) { echo "The file already exists<br>n"; exit; }



$res = copy($HTTP_POST_FILES['userfile']['tmp_name'], $path .

$HTTP_POST_FILES['userfile']['name']);

if (!$res) { echo "upload failed!<br>n"; exit; } else { echo "upload sucessful<br>n"; }



echo "File Name: ".$HTTP_POST_FILES['userfile']['name']."<br>n";

echo "File Size: ".$HTTP_POST_FILES['userfile']['size']." bytes<br>n";

echo "File Type: ".$HTTP_POST_FILES['userfile']['type']."<br>n";

} else { echo "Wrong file type<br>n"; exit; }

}



$my_file = $HTTP_POST_FILES['userfile']['name'];

?> [/code]