Petit prob de fonction !

<?php

//fonction d'incrémentation du nombre de news du posteur !

function incre_hit($rub,$pseudo,$do)

 {

  connect($t2);

        $sql= 'SELECT '.$rub.' FROM site_membres WHERE pseudo="'.$pseudo.'"';

	$req= mysql_query($sql) or die ('Erreur SQL !<br>'.$sql.'<br>'.mysql_error());

	$data= mysql_fetch_array($req);

	if($do==plus){$nb=$data[''.$rub.'']+1;}

	if($do==moins){$nb=$data[''.$rub.'']-1;}   

	disconnect($req);

   

  connect($t2);

        $sql = 'UPDATE site_membres SET 

		'.$rub.'="'.$nb.'" 

		WHERE pseudo="'.$pseudo.'"';



		mysql_query($sql) or die('Erreur SQL !'.$sql.'<br>'.mysql_error());    

		mysql_close ();

 } 

?>

<?php

elseif($_GET['do']==dl)

		{    

		if($_SESSION['statut']==1 || $_SESSION['statut']==2)

			{

			supp($nw,$_GET['id']);

	

			connect($nwc);

			$sql ='DELETE from site_news_comentr WHERE Id_news="'.$_GET['id'].'"';

                	mysql_query($sql) or die('Erreur SQL !'.$sql.'<br>'.mysql_error());

                	mysql_close();

			

			

			connect($nw);

			$sql2 = "SELECT * FROM site_news WHERE id='".$_GET['id']."'";

			$req2 = mysql_query($sql2) or die('Erreur SQL !<br>'.$sql2.'<br>'.mysql_error());

			$data = mysql_fetch_array($req2);

			$pseudo=$data['auteur'];

			mysql_close();

			incre_hit("nb_news",$pseudo,"moins");

			

		

			echo "<meta http-equiv='refresh' content='0; url=admin_news.php?debut=yes'>";

			}

		else

			{

			echo "Vous n'avez pas les droits de suppression de cet new !";

			}

		}



?>

<?php



@mysql_query("UPDATE `table_news` SET `nb_news` = (nb_news - 1) WHERE pseudo = "$pseudo" LIMIT 1");



?>

<?php     

   if($do==plus){$nb=$data[''.$rub.'']+1;}

    elseif($do==moins){$nb=$data[''.$rub.'']-1;}   

    disconnect($req);

?>