Ahora, el codigo del formulario es este
<form action="" method="post" name="form" onSubmit="return validate(this);">
<input name="dep" type="hidden" id="dep" value="Controls" />
<input name="status" type="hidden" id="status" value="0" />
<input name="tipomsg" type="hidden" id="tipomsg" value="Request Info" />
<input type=hidden name=ip value='<?=$REMOTE_ADDR?>'>
<?
$host = gethostbyaddr ($REMOTE_ADDR);
$date = time();
?>
<input type=hidden name=hostname value='<?=$host?>'>
<input name="fecha" type="hidden" id="fecha" value='<?=$date?>' />
<p> </p>
</form>