Codice PHP:
<form name="MyForm" action="post_articles.php" method="post" onsubmit="xmlhttpPost('post_articles.php', 'MyForm', 'MyResult', '<img src=\'img/loading.gif\'>'); return false;">
<input style="margin-left: 0px;" type="file" name="Filedata" size="30" />
<input name="submit" type="submit" value="POST ARTICLE" />
</form>