<form enctype="multipart/form-data" action="uploader.php" method="POST">
   <input type="hidden" name="MAX_FILE_SIZE" value="100000" />
   Choose a file to upload:
   <input name="uploadedfile[]" type="file" /><br />
   <input name="uploadedfile[]" type="file" /><br />
   <input type="submit" value="Upload File" />
</form>