Retire les balises dans un texte

<?php   include ('../connexion/connexion.php'); 
 
$result = mysql_query("SELECT * FROM accueil");
$row = mysql_fetch_array($result);

	echo "<form action='maj_texte_accueil.php' enctype='multipart/form-data' method='POST' value='envoyer' name='soumettre'>";
	echo "<input type=hidden name=\"id\" value=$id>";
	echo '<div class="txt">';
	echo '<textarea name="texte" cols="150" rows="10" style="font-size:12pt">'.nl2br($row['texte']).'</textarea>';
	echo '</div>';
//}

echo '<p><center><input type="submit" value="Valider" onclick="document.location.href=\'../index.htm\'">';
echo '<input type="reset" value="Annuler" onclick="history.go(-1)">';

mysql_close();
exit;
?>

<?php   include ('../connexion/connexion.php'); 

$id = $_POST["id"];
$texte = $_POST["texte"];

$texte = stripslashes($texte); //----pour éviter les \ ds le texte-------------- 
$texte = mysql_real_escape_string($texte);
$texte = eregi_replace("([[:alnum:]]+)://([^[:space:]]*)([[:alnum:]#?/&=])","<A HREF=\"\\1://\\2\\3\" TARGET=\"_blank\">\\1://\\2\\3</A>",$texte);

$result=mysql_query("UPDATE accueil SET texte='$texte'");

header('Location: ../index.php?page=accueil'); //&id='.$id.'

mysql_close();
exit;
?>