jpgraph et php problème bizarre !!!!!!!

<?php
include ("jpgraph\src\jpgraph.php");
include ("jpgraph\src\jpgraph_line.php");

$ydata = array(8,3,16,2,7,25,16);

// Creation du graphique
$graph = new Graph(300,200); 
$graph->SetScale("textlin");

// Création du système de points
$lineplot=new LinePlot($ydata);

// On rajoute les points au graphique
$graph->Add($lineplot);

// Affichage
$graph->Stroke();
?> 

<?php
include ("jpgraph/src/jpgraph.php");
include ("jpgraph/src/jpgraph_line.php");

//include ("jpgraph\src\jpgraph.php");
//include ("jpgraph\src\jpgraph_line.php");

$ydata = array(8,3,16,2,7,25,16);

// Creation du graphique
$graph = new Graph(300,200); 
$graph->SetScale("textlin");

// Création du système de points
$lineplot=new LinePlot($ydata);

// On rajoute les points au graphique
$graph->Add($lineplot);

// Affichage
$graph->Stroke();
?> 

SELECT Count * as nbr_cli, date_demar_abonnement as mois_abon from TB_USER group by

mois_abon