[PHP] Problème "Undefined Variable&qu

<?php
if (isset($_SESSION['connecte']) AND $_SESSION['connecte'] == true)
{
	mysql_connect("localhost", "root", "");
	mysql_select_db("forces-opposantes");
	$retour = mysql_query("SELECT * FROM membres WHERE ID = '".$_SESSION['ID']."'");
	$donnees = mysql_fetch_array($retour);
	include("session.php");
	mysql_close();
	
	$nomPage = $_SERVER['PHP_SELF'];
	$nomPage = preg_replace("#^/[A-Za-z-]{1,}/([a-z_]{1,}.[a-z]{1,4})$#", "$1", $nomPage);
	
	if ($nomPage == "accueil_membre.php")
	{
		$page = 1;
	}
	elseif ($nomPage == "marche.php")
	{
		$page = 2;
	}
	elseif ($nomPage == "banque.php")
	{
		$page = 3;
	}
	elseif ($nomPage == "groupe.php")
	{
		$page = 4;
	}
	elseif ($nomPage == "forum.php")
	{
		$page = 5;
	}
	
	$i = 1;
	
	while ($i <= 5)
	{
		if ($i == $page)
		{
			?>
				<div class="element_menu_centre">
			<?php
		}
		else
		{
			?>
				<div class="element_menu">
			<?php
		}
		
		?>
			<table>
			<tr>
			<td>
		<?php
		
		if ($i == 1)
		{
			?>
				<a href="accueil_membre.php">Planque</a>
			<?php
		}
		elseif ($i == 2)
		{
			?>
				<a href="marche.php">Marché</a>
			<?php
		}
		elseif ($i == 3)
		{
			?>
				<a href="banque.php">Banque</a>
			<?php
		}
		elseif ($i == 4)
		{
			?>
				<a href="groupe.php">Groupe</a>
			<?php
		}
		elseif ($i == 5)
		{
			?>
				<a href="forum.php">Forum</a>
			<?php
		}
		
		?>
			</td>
			</tr>
			</table>
			</div>
		<?php
		
		$i++;
	}
	
	?>
	<?php
}
else
{
	$nomPage = $_SERVER['PHP_SELF'];
	$nomPage = preg_replace("#^/[A-Za-z-]{1,}/([a-z]{1,}.[a-z]{1,4})$#", "$1", $nomPage);
	
	if ($nomPage == "index.php")
	{
		$page = 1;
	}
	elseif ($nomPage == "news.php")
	{
		$page = 2;
	}
	elseif ($nomPage == "inscription.php")
	{
		$page = 3;
	}
	elseif ($nomPage == "faq.php")
	{
		$page = 4;
	}
	elseif ($nomPage == "contact.php")
	{
		$page = 5;
	}
	
	$i = 1;
	
	while ($i <= 5)
	{
		if ($i == $page) // Ligne 132
		{
			?>
				<div class="element_menu_centre">
			<?php
		}
		else
		{
			?>
				<div class="element_menu">
			<?php
		}
		
		?>
			<table>
			<tr>
			<td>
		<?php
		
		if ($i == 1)
		{
			?>
				<a href="index.php">Accueil</a>
			<?php
		}
		elseif ($i == 2)
		{
			?>
				<a href="news.php">Journal</a>
			<?php
		}
		elseif ($i == 3)
		{
			?>
				<a href="inscription.php">Inscription</a>
			<?php
		}
		elseif ($i == 4)
		{
			?>
				<a href="faq.php">F.A.Q.</a>
			<?php
		}
		elseif ($i == 5)
		{
			?>
				<a href="contact.php">Contact</a>
			<?php
		}
		
		?>
			</td>
			</tr>
			</table>
			</div>
		<?php
		
		$i++;
	}
}
?>

$nomPage = $_SERVER['PHP_SELF'];
	$nomPage = preg_replace("#^/[A-Za-z-]{1,}/([a-z_]{1,}.[a-z]{1,4})$#", "$1", $nomPage);
	
	if ($nomPage == "accueil_membre.php")
	{
		$page = 1;
	}
	elseif ($nomPage == "marche.php")
	{
		$page = 2;
	}
	elseif ($nomPage == "banque.php")
	{
		$page = 3;
	}
	elseif ($nomPage == "groupe.php")
	{
		$page = 4;
	}
	elseif ($nomPage == "forum.php")
	{
		$page = 5;
	}