<?php
if(isset($_POST['submit'])) {
$navn = $_POST['navn'];
$navn = htmlentities($navn);
$melding = $_POST['melding'];
$melding = htmlentities($melding);
$melding = str_replace("\n", "<br>", $melding);

$fp = fopen("meldinger.php", "a+");
fwrite($fp, "$navn: $melding<br>");
fclose($fp);
header("Location: index.php");
} else {
?>

<form action="<?php $_SERVER['PHP_SELF'] ?>" method="post">
<table border="0" cellpadding="10" align="center">
<tr>
	<td valign="top">Chat:</td><td><iframe src="meldinger.php" style="border:1px solid #000000;width:500px;height:250px;" scrolling="auto"></iframe></td>
</tr>
<tr>
	<td>Navn:</td><td><input type="text" name="navn" style="border:1px solid #000000;width:500px;" /></td>
</tr>
<tr>
	<td valign="top">Melding:</td><td><textarea name="melding" style="border:1px solid #000000;width:500px;height:80px;"></textarea></td>
</tr>
<tr>
	<td>&nbsp;</td>
	<td align="right">
	  <input type="submit" style="border:1px solid #000000;" value="Send" name="submit" /></td>
</tr>
</table>

</form>
<?php
}
?>