mysql_query("UPDATE tune SET nom='".$_POST['nom']."', url='".$_POST['url']."', text='".$_POST['text']."', image='".$_POST['image']."', type='".$_POST['type']."', parainage='".$_POST['parainage']."', WHERE id='".$_GET['id']."' ") or die(mysql_error());

<?	 require_once('Connections/site1.php');
	 mysql_select_db('db158804645');
	 
		$admin = mysql_query("SELECT login, pass, date, mail, nom, naissance, administrateur FROM membres WHERE login='".$_SESSION['login']."'");
		$datadmin = mysql_fetch_array($admin);
				
if ($datadmin['administrateur'] == 'oui')
{ 
		// --------------------------------------------------------------------------------------------------------------------------------------------------

	
	$modif = mysql_query("SELECT * FROM tune WHERE id='".$_GET['id']."'");

	$data = mysql_fetch_array($modif);
if (isset($_GET['id']))
{


	?>

<p align="center" class="Style1"><strong>Modifier la fiche </strong><br>
<form name="form1" method="post" action="/index.php?page=modif_tune">
  <div align="center">Nom : 
    <input name="nom" type="text" id="nom" value="<? echo $data['nom']; ?>">
    <br>
    Url : 
    <input name="url" type="text" id="url" value="<? echo $data['url']; ?>">
    <br>
    Texte :<br>
    <textarea name="text" id="text"><? echo $data['text']; ?></textarea>
    <br>
    Image : 
    <input name="image" type="text" id="image" value="<? echo $data['image']; ?>">
    <br>
    Type : 
    <input name="type2" type="text" id="type2" value="<? echo $data['type']; ?>">
     - 
     <select name="type" id="type">
                    <option value="barre">Barre de pubs</option>
                    <option value="autosurf">Autosurf</option>
                    <option value="mail">Mails renum&eacute;r&eacute;s</option>
                    <option value="clics">Clics</option>
                    <option value="autres">Autres</option>
    </select> 
     <br>
     Parainage : 
     <input name="parainage" type="text" id="parainage" value="<? echo $data['parainage']; ?>">
    <br>
    <p><br>
      <input type="submit" name="Submit" value="Modifier">
</p>
  </div>
</form>
<p align="center">
  <?
}


if (isset($_POST['nom']))
{
mysql_query("UPDATE tune SET nom='".$_POST['nom']."', url='".$_POST['url']."', text='".$_POST['text']."', image='".$_POST['image']."', type='".$_POST['type']."', parainage='".$_POST['parainage']."' WHERE id='".$_GET['id']."' ") or die(mysql_error());
}
?>

Parse error: parse error, unexpected $ in /homepages/15/d141781061/htdocs/modif_tune.php on line 61

Et aussi pour pas me faire gronder par ouckileou :p