diff --git a/htdocs/conf/conf.class.php b/htdocs/conf/conf.class.php
index 507adc74aca..9690b855818 100644
--- a/htdocs/conf/conf.class.php
+++ b/htdocs/conf/conf.class.php
@@ -426,6 +426,13 @@ class Conf
 		  $this->adherent->email_new_subject=MAIN_MAIL_NEW_SUBJECT;
 		}
 
+		// Defini MAIN_GRAPH_LIBRARY
+		if (! in_array($this->global->MAIN_GRAPH_LIBRARY, array('phplot','artichow')))
+		{
+			$this->global->MAIN_GRAPH_LIBRARY='phplot';
+			// $this->global->MAIN_GRAPH_LIBRARY = 'artichow';
+		}
+
 		// Format de la date
 		// \todo Mettre les 4 formats dans fichier langue
 		$this->format_date_short="%d/%m/%Y";
diff --git a/htdocs/dolgraph.class.php b/htdocs/dolgraph.class.php
index 163767a65d0..f6f1d823977 100644
--- a/htdocs/dolgraph.class.php
+++ b/htdocs/dolgraph.class.php
@@ -46,499 +46,504 @@
 
 class DolGraph
 {
-  //! Type du graphique
-  var $type='bars';  	
-  //! Tableau de donnees
-  var $data;	
-  var $width=380;
-  var $height=200;
-  var $MaxValue=0;
-  var $MinValue=0;
-  var $SetShading=0;
-  var $PrecisionY=-1;
-  var $SetHorizTickIncrement=-1;
-  var $SetNumXTicks=-1;
-  
-  var $graph;     	// Objet PHPlot  
-  var $error;
-  
-  var $library;
-  
-  function DolGraph()
-  {
-    global $conf;
-    global $theme_bordercolor, $theme_datacolor, $theme_bgcolor, $theme_bgcoloronglet;
-    
-    $this->library = 'phplot';
+	//! Type du graphique
+	var $type='bars';
+	//! Tableau de donnees
+	var $data;
+	var $width=380;
+	var $height=200;
+	var $MaxValue=0;
+	var $MinValue=0;
+	var $SetShading=0;
+	var $PrecisionY=-1;
+	var $SetHorizTickIncrement=-1;
+	var $SetNumXTicks=-1;
 
-    // Test si module GD présent
-    $modules_list = get_loaded_extensions();
-    $isgdinstalled=0;
-    foreach ($modules_list as $module)
-      {
-	if ($module == 'gd') { $isgdinstalled=1; }
-      }
-    if (! $isgdinstalled) {
-      $this->error="Erreur: Le module GD pour php ne semble pas disponible. Il est requis pour générer les graphiques.";
-      return -1;
-    }
-    
-    // Vérifie que chemin vers PHPLOT_PATH est connu et definie $graphpath
-    $graphpathdir=DOL_DOCUMENT_ROOT."/includes/phplot";
-    if (defined('PHPLOT_PATH')) $graphpathdir=PHPLOT_PATH;
-    if ($conf->global->PHPLOT_PATH) $graphpathdir=$conf->global->PHPLOT_PATH;
-    if (! eregi('[\\\/]$',$graphpathdir)) $graphpathdir.='/';
-    
-    include_once($graphpathdir.'phplot.php');
-    
-    
-    // Défini propriétés de l'objet graphe
-    $this->bordercolor = array(235,235,224);
-    $this->datacolor = array(array(120,130,150), array(160,160,180), array(190,190,220));
-    $this->bgcolor = array(235,235,224);
-    
-    $color_file = DOL_DOCUMENT_ROOT."/theme/".$conf->theme."/graph-color.php";
-    if (is_readable($color_file))
-      {
-	include_once($color_file);
-	if (isset($theme_bordercolor)) $this->bordercolor = $theme_bordercolor;
-	if (isset($theme_datacolor))   $this->datacolor   = $theme_datacolor;
-	if (isset($theme_bgcolor))     $this->bgcolor     = $theme_bgcolor;
-      }
-    //print 'bgcolor: '.join(',',$this->bgcolor).'<br>';
-    return 1;
-  }
-  
-  
-  function isGraphKo()
-  {
-    return $this->error;
-  }
-  
-  /**
-   *    \brief      Génère le fichier graphique sur le disque
-   *    \param      file    Nom du fichier image
-   */
-  function draw($file)
-  {
-    $call = "draw_".$this->library;
-    $this->$call($file);
-  }
-  
-  function prepare($file)
-  {
-    $call = "prepare_".$this->library;
-    $this->$call($file);
-  }
+	var $graph;     		// Objet Graph (PHPlot ou Artichow...)
+	var $error;
 
-  function generate($file)
-  {
-    $call = "generate_".$this->library;
-    $this->$call($file);
-  }
-
-  /**
-   * Artichow
-   *
-   *
-   *
-   */
-  function draw_artichow($file)
-  {
-    require_once DOL_DOCUMENT_ROOT."/../external-libs/Artichow/BarPlot.class.php";
-
-    $graph = new Graph($this->width, $this->height);
-    if (isset($this->title)) $graph->title->set($this->title);
-
-    $graph->border->hide();
-    
-    $color = new Color(244,244,244);
-
-    $graph->setAntiAliasing(TRUE);
-
-    $graph->setBackgroundColor( $color );
-
-    $i = 0;
-    foreach($this->data as $key => $value)
-      {
-	$values[$i]  = $value[1];
-	$legends[$i] = $value[0];
-	$i++;
-      }
-
-    $plot = new BarPlot($values);
-    $plot->setSize(1, 0.96);
-    $plot->setCenter(0.5, 0.52);
-    
-    $plot->setBarColor( new LightGreen(25) );
-
-    $plot->xAxis->setLabelText($legends);
-    $plot->xAxis->label->setFont(new Tuffy(7));
-
-    $graph->add($plot);
-
-    $graph->draw($file);
-  }
-
-  /**
-   *    \brief      Génère le fichier graphique sur le disque
-   *    \param      file    Nom du fichier image
-   */
-  function draw_phplot($file)
-  {
-    // Prepare parametres
-    $this->prepare_phplot($file);
-    
-    $this->generate_phplot();
-  }
-
-  function generate_phplot()
-  {
-    // Génère le fichier $file
-    $this->graph->DrawGraph();
-  }
-
-  /**
-   *    \brief      Prépare l'objet PHPlot
-   *    \param      file    Nom du fichier image à générer
-   */
-  function prepare_phplot($file)
-  {
-    // Define the object
-    $this->graph = new PHPlot($this->width, $this->height);
-    
-    $phplotversion=4;
-    if (defined('TOTY')) $phplotversion=5;
-    
-    $this->graph->SetIsInline(1);
-    
-    $this->graph->SetPlotType($this->type);
-    $this->graph->SetDataValues($this->data);
-    
-    // Precision axe y (pas de decimal si 3 chiffres ou plus)
-    if ($this->PrecisionY > -1)
-      {
-	$this->graph->SetPrecisionY($this->PrecisionY);
-	if ($this->PrecisionY == 0)		// Si precision de 0
-	  {
-	    // Determine un nombre de ticks qui permet decoupage qui tombe juste
-	    $maxval=$this->getMaxValue();
-	    $minval=$this->getMinValue();
-	    if ($maxval * $minval >= 0)	// Si du meme signe
-	      {
-		$plage=$maxval;
-	      }
-	    else
-	      {
-		$plage=$maxval-$minval;
-	      }
-	    if (abs($plage) <= 2)
-	      {
-		$this->SetMaxValue(2);
-		$maxticks=2;
-	      }
-	    else
-	      {
-		$maxticks=10;
-		if (substr($plage,0,1) == 3 || substr($plage,0,1) == 6)
-		  {
-		    $maxticks=min(6,$plage);
-		  }
-		elseif (substr($plage,0,1) == 4 || substr($plage,0,1) == 8)
-		  {
-		    $maxticks=min(8,$plage);
-		  }
-		elseif (substr($plage,0,1) == 7)
-		  {
-		    $maxticks=min(7,$plage);
-		  }
-		elseif (substr($plage,0,1) == 9)
-		  {
-		    $maxticks=min(9,$plage);
-		  }
-	      }
-	    $this->graph->SetNumVertTicks($maxticks);
-	    //				print 'minval='.$minval.' - maxval='.$maxval.' - plage='.$plage.' - maxticks='.$maxticks.'<br>';
-	  }
-      }
-    else
-      {
-	$this->graph->SetPrecisionY(3-strlen(round($this->GetMaxValueInData())));
-      }
-    $this->graph->SetPrecisionX(0);
-
-    // Set areas
-    $top_space=40;
-    if ($phplotversion >= 5) $top_space=25;
-    $left_space=80;								// For y labels
-    $right_space=10;							// If no legend
-    if (isset($this->Legend))
-      {
-	foreach($this->Legend as $key => $val)
-	  {	
-	    $maxlen=max($maxlen,$val);
-	  }
-	$right_space=50+strlen($maxlen)*6;	// For legend
-      }
-		
-    $this->graph->SetNewPlotAreaPixels($left_space, $top_space, $this->width-$right_space, $this->height-40);
-    if (isset($this->MaxValue))
-      {
-	$this->graph->SetPlotAreaWorld(0,$this->MinValue,sizeof($this->data),$this->MaxValue);
-      }
-
-    // Define title
-    if (isset($this->title)) $this->graph->SetTitle($this->title);
-
-    // Défini position du graphe (et legende) au sein de l'image
-    if (isset($this->Legend))
-      {
-	$this->graph->SetLegendPixels($this->width-$right_space+8,40,'');
-	$this->graph->SetLegend($this->Legend);
-      }
-
-    if (isset($this->SetShading))
-      {
-	$this->graph->SetShading($this->SetShading);
-      }
-    $this->graph->SetTickLength(6);
-
-    $this->graph->SetBackgroundColor($this->bgcolor);
-    $this->graph->SetDataColors($this->datacolor, $this->bordercolor);
-
-    if ($this->SetNumXTicks > -1)
-      {
-	if ($phplotversion >= 5)	// If PHPlot 5, for compatibility
-	  {
-	    $this->graph->SetXLabelType('');
-	    $this->graph->SetNumXTicks($this->SetNumXTicks);
-	  }
-	else
-	  {
-	    $this->graph->SetNumHorizTicks($this->SetNumXTicks);
-	  }
-      }
-    if ($this->SetHorizTickIncrement > -1)
-      {
-	// Les ticks sont en mode forcé
-	$this->graph->SetHorizTickIncrement($this->SetHorizTickIncrement);
-	if ($phplotversion >= 5)	// If PHPlot 5, for compatibility
-	  {
-	    $this->graph->SetXLabelType('');
-	    $this->graph->SetXTickLabelPos('none');
-	  }
-      }
-    else
-      {
-	// Les ticks sont en mode automatique
-	if ($phplotversion >= 5)	// If PHPlot 5, for compatibility
-	  {
-	    $this->graph->SetXDataLabelPos('none');
-	  }
-      }
-
-    if ($phplotversion >= 5)
-      {
-	// Ne gere pas la transparence
-	// $this->graph->SetBgImage(DOL_DOCUMENT_ROOT.'/theme/dolibarr_logo_2.png','tile');
-	$this->graph->SetDrawPlotAreaBackground(array(255,255,255));
-      }
-
-    $this->graph->SetPlotBorderType("left");		// Affiche axe y a gauche uniquement
-    $this->graph->SetVertTickPosition('plotleft');	// Affiche tick axe y a gauche uniquement
-
-    $this->graph->SetOutputFile($file);
-  }
-
-  function SetPrecisionY($which_prec)
-  {
-    $this->PrecisionY = $which_prec;
-    return true;
-  }
-
-  /*
-    \remarks	Utiliser SetNumTicks ou SetHorizTickIncrement mais pas les 2
-  */
-  function SetHorizTickIncrement($xi)
-  {
-    $this->SetHorizTickIncrement = $xi;
-    return true;
-  }
-
-  /*
-    \remarks	Utiliser SetNumTicks ou SetHorizTickIncrement mais pas les 2
-  */
-  function SetNumXTicks($xt)
-  {
-    $this->SetNumXTicks = $xt;
-    return true;
-  }
+	var $library='';		// Par defaut on utiliser PHPlot
 
 
-  function SetYLabel($label)
-  {
-    $this->YLabel = $label;
-  }
+	function DolGraph()
+	{
+		global $conf;
+		global $theme_bordercolor, $theme_datacolor, $theme_bgcolor, $theme_bgcoloronglet;
 
-  function SetWidth($w)
-  {
-    $this->width = $w;
-  }
+		// Test si module GD présent
+		$modules_list = get_loaded_extensions();
+		$isgdinstalled=0;
+		foreach ($modules_list as $module)
+		{
+			if ($module == 'gd') { $isgdinstalled=1; }
+		}
+		if (! $isgdinstalled)
+		{
+			$this->error="Erreur: Le module GD pour php ne semble pas disponible. Il est requis pour générer les graphiques.";
+			return -1;
+		}
 
-  function SetTitle($title)
-  {
-    $this->title = $title;
-  }
+		// Défini propriétés de l'objet graphe
+		$this->library=$conf->global->MAIN_GRAPH_LIBRARY;
 
-  function SetData($data)
-  {
-    $this->data = $data;
-  }
+		$this->bordercolor = array(235,235,224);
+		$this->datacolor = array(array(120,130,150), array(160,160,180), array(190,190,220));
+		$this->bgcolor = array(235,235,224);
 
-  function SetType($type)
-  {
-    $this->type = $type;
-  }
+		$color_file = DOL_DOCUMENT_ROOT."/theme/".$conf->theme."/graph-color.php";
+		if (is_readable($color_file))
+		{
+			include_once($color_file);
+			if (isset($theme_bordercolor)) $this->bordercolor = $theme_bordercolor;
+			if (isset($theme_datacolor))   $this->datacolor   = $theme_datacolor;
+			if (isset($theme_bgcolor))     $this->bgcolor     = $theme_bgcolor;
+		}
+		//print 'bgcolor: '.join(',',$this->bgcolor).'<br>';
+		return 1;
+	}
 
-  function SetLegend($legend)
-  {
-    $this->Legend = $legend;
-  }
 
-  function SetMaxValue($max)
-  {
-    $this->MaxValue = $max;
-  }
-  function GetMaxValue()
-  {
-    return $this->MaxValue;
-  }
+	function isGraphKo()
+	{
+		return $this->error;
+	}
 
-  function SetMinValue($min)
-  {
-    $this->MinValue = $min;
-  }
-  function GetMinValue()
-  {
-    return $this->MinValue;
-  }
+	/**
+	*    \brief      Génère le fichier graphique sur le disque
+	*    \param      file    Nom du fichier image
+	*/
+	function draw($file)
+	{
+		$call = "draw_".$this->library;
+		$this->$call($file);
+	}
 
-  function SetHeight($h)
-  {
-    $this->height = $h;
-  }
+	function prepare($file)
+	{
+		$call = "prepare_".$this->library;
+		$this->$call($file);
+	}
 
-  function SetShading($s)
-  {
-    $this->SetShading = $s;
-  }
+	function generate($file)
+	{
+		$call = "generate_".$this->library;
+		$this->$call($file);
+	}
 
-  function ResetBgColor()
-  {
-    unset($this->bgcolor);
-  }
+	/**
+	* Artichow
+	*
+	*
+	*
+	*/
+	function draw_artichow($file)
+	{
+		require_once DOL_DOCUMENT_ROOT."/../external-libs/Artichow/BarPlot.class.php";
 
-  /**
-   *	\brief		Definie la couleur de fond du graphique
-   *	\param		bg_color		array(R,G,B) ou 'onglet' ou 'default'
-   */
-  function SetBgColor($bg_color = array(255,255,255))
-  {
-    global $theme_bgcolor,$theme_bgcoloronglet;
-    if (! is_array($bg_color))
-      {
-	if ($bg_color == 'onglet')
-	  {
-	    //print 'ee'.join(',',$theme_bgcoloronglet);
-	    $this->bgcolor = $theme_bgcoloronglet;
-	  }
-	else
-	  {
-	    $this->bgcolor = $theme_bgcolor;
-	  }
-      }
-    else
-      {
-	$this->bgcolor = $bg_color;
-      }
-  }
+		$graph = new Graph($this->width, $this->height);
+		if (isset($this->title)) $graph->title->set($this->title);
 
-  function ResetDataColor()
-  {
-    unset($this->datacolor);
-  }
+		$graph->border->hide();
 
-  function GetMaxValueInData()
-  {
-    $k = 0;
-    $vals = array();
+		$color = new Color(244,244,244);
 
-    $nblines = sizeof($this->data);
-    $nbvalues = sizeof($this->data[0]) - 1;
+		$graph->setAntiAliasing(TRUE);
 
-    for ($j = 0 ; $j < $nblines ; $j++)
-      {
-	for ($i = 0 ; $i < $nbvalues ; $i++)
-	  {
-	    $vals[$k] = $this->data[$j][$i+1];
-	    $k++;
-	  }
-      }
-    rsort($vals);
-    return $vals[0];
-  }
+		$graph->setBackgroundColor( $color );
 
-  function GetMinValueInData()
-  {
-    $k = 0;
-    $vals = array();
+		$i = 0;
+		foreach($this->data as $key => $value)
+		{
+			$values[$i]  = $value[1];
+			$legends[$i] = $value[0];
+			$i++;
+		}
 
-    $nblines = sizeof($this->data);
-    $nbvalues = sizeof($this->data[0]) - 1;
+		$plot = new BarPlot($values);
+		$plot->setSize(1, 0.96);
+		$plot->setCenter(0.5, 0.52);
 
-    for ($j = 0 ; $j < $nblines ; $j++)
-      {
-	for ($i = 0 ; $i < $nbvalues ; $i++)
-	  {
-	    $vals[$k] = $this->data[$j][$i+1];
-	    $k++;
-	  }
-      }
-    sort($vals);
-    return $vals[0];
-  }
+		$plot->setBarColor( new LightGreen(25) );
 
-  function GetCeilMaxValue()
-  {
-    $max = $this->GetMaxValueInData();
-    if ($max != 0) $max++;
-    $size=strlen(abs(ceil($max)));
-    $factor=1;
-    for ($i=0; $i < ($size-1); $i++)
-      {
-	$factor*=10;
-      }
-    $res=ceil($max/$factor)*$factor;
+		$plot->xAxis->setLabelText($legends);
+		$plot->xAxis->label->setFont(new Tuffy(7));
 
-    //print "max=".$max." res=".$res;
-    return $res;
-  }
+		$graph->add($plot);
 
-  function GetFloorMinValue()
-  {
-    $min = $this->GetMinValueInData();
-    if ($min != 0) $min--;
-    $size=strlen(abs(floor($min)));
-    $factor=1;
-    for ($i=0; $i < ($size-1); $i++)
-      {
-	$factor*=10;
-      }
-    $res=floor($min/$factor)*$factor;
+		$graph->draw($file);
+	}
 
-    //print "min=".$min." res=".$res;
-    return $res;
-  }
+	/**
+	*    \brief      Génère le fichier graphique sur le disque
+	*    \param      file    Nom du fichier image
+	*/
+	function draw_phplot($file)
+	{
+		// Prepare parametres
+		$this->prepare_phplot($file);
+
+		$this->generate_phplot();
+	}
+
+	/**
+	*    \brief      Prépare l'objet PHPlot
+	*    \param      file    Nom du fichier image à générer
+	*/
+	function prepare_phplot($file)
+	{
+		// Vérifie que chemin vers PHPLOT_PATH est connu et on definie $graphpathdir
+		$graphpathdir=DOL_DOCUMENT_ROOT."/includes/phplot";
+		if (defined('PHPLOT_PATH')) $graphpathdir=PHPLOT_PATH;
+		if ($conf->global->PHPLOT_PATH) $graphpathdir=$conf->global->PHPLOT_PATH;
+		if (! eregi('[\\\/]$',$graphpathdir)) $graphpathdir.='/';
+		include_once($graphpathdir.'phplot.php');
+
+		// Define the object
+		$this->graph = new PHPlot($this->width, $this->height);
+
+		$phplotversion=4;
+		if (defined('TOTY')) $phplotversion=5;
+
+		$this->graph->SetIsInline(1);
+
+		$this->graph->SetPlotType($this->type);
+		$this->graph->SetDataValues($this->data);
+
+		// Precision axe y (pas de decimal si 3 chiffres ou plus)
+		if ($this->PrecisionY > -1)
+		{
+			$this->graph->SetPrecisionY($this->PrecisionY);
+			if ($this->PrecisionY == 0)		// Si precision de 0
+			{
+				// Determine un nombre de ticks qui permet decoupage qui tombe juste
+				$maxval=$this->getMaxValue();
+				$minval=$this->getMinValue();
+				if ($maxval * $minval >= 0)	// Si du meme signe
+				{
+					$plage=$maxval;
+				}
+				else
+				{
+					$plage=$maxval-$minval;
+				}
+				if (abs($plage) <= 2)
+				{
+					$this->SetMaxValue(2);
+					$maxticks=2;
+				}
+				else
+				{
+					$maxticks=10;
+					if (substr($plage,0,1) == 3 || substr($plage,0,1) == 6)
+					{
+						$maxticks=min(6,$plage);
+					}
+					elseif (substr($plage,0,1) == 4 || substr($plage,0,1) == 8)
+					{
+						$maxticks=min(8,$plage);
+					}
+					elseif (substr($plage,0,1) == 7)
+					{
+						$maxticks=min(7,$plage);
+					}
+					elseif (substr($plage,0,1) == 9)
+					{
+						$maxticks=min(9,$plage);
+					}
+				}
+				$this->graph->SetNumVertTicks($maxticks);
+				//				print 'minval='.$minval.' - maxval='.$maxval.' - plage='.$plage.' - maxticks='.$maxticks.'<br>';
+			}
+		}
+		else
+		{
+			$this->graph->SetPrecisionY(3-strlen(round($this->GetMaxValueInData())));
+		}
+		$this->graph->SetPrecisionX(0);
+
+		// Set areas
+		$top_space=40;
+		if ($phplotversion >= 5) $top_space=25;
+		$left_space=80;								// For y labels
+		$right_space=10;							// If no legend
+		if (isset($this->Legend))
+		{
+			foreach($this->Legend as $key => $val)
+			{
+				$maxlen=max($maxlen,$val);
+			}
+			$right_space=50+strlen($maxlen)*6;	// For legend
+		}
+
+		$this->graph->SetNewPlotAreaPixels($left_space, $top_space, $this->width-$right_space, $this->height-40);
+		if (isset($this->MaxValue))
+		{
+			$this->graph->SetPlotAreaWorld(0,$this->MinValue,sizeof($this->data),$this->MaxValue);
+		}
+
+		// Define title
+		if (isset($this->title)) $this->graph->SetTitle($this->title);
+
+		// Défini position du graphe (et legende) au sein de l'image
+		if (isset($this->Legend))
+		{
+			$this->graph->SetLegendPixels($this->width-$right_space+8,40,'');
+			$this->graph->SetLegend($this->Legend);
+		}
+
+		if (isset($this->SetShading))
+		{
+			$this->graph->SetShading($this->SetShading);
+		}
+		$this->graph->SetTickLength(6);
+
+		$this->graph->SetBackgroundColor($this->bgcolor);
+		$this->graph->SetDataColors($this->datacolor, $this->bordercolor);
+
+		if ($this->SetNumXTicks > -1)
+		{
+			if ($phplotversion >= 5)	// If PHPlot 5, for compatibility
+			{
+				$this->graph->SetXLabelType('');
+				$this->graph->SetNumXTicks($this->SetNumXTicks);
+			}
+			else
+			{
+				$this->graph->SetNumHorizTicks($this->SetNumXTicks);
+			}
+		}
+		if ($this->SetHorizTickIncrement > -1)
+		{
+			// Les ticks sont en mode forc
+			$this->graph->SetHorizTickIncrement($this->SetHorizTickIncrement);
+			if ($phplotversion >= 5)	// If PHPlot 5, for compatibility
+			{
+				$this->graph->SetXLabelType('');
+				$this->graph->SetXTickLabelPos('none');
+			}
+		}
+		else
+		{
+			// Les ticks sont en mode automatique
+			if ($phplotversion >= 5)	// If PHPlot 5, for compatibility
+			{
+				$this->graph->SetXDataLabelPos('none');
+			}
+		}
+
+		if ($phplotversion >= 5)
+		{
+			// Ne gere pas la transparence
+			// $this->graph->SetBgImage(DOL_DOCUMENT_ROOT.'/theme/dolibarr_logo_2.png','tile');
+			$this->graph->SetDrawPlotAreaBackground(array(255,255,255));
+		}
+
+		$this->graph->SetPlotBorderType("left");		// Affiche axe y a gauche uniquement
+		$this->graph->SetVertTickPosition('plotleft');	// Affiche tick axe y a gauche uniquement
+
+		$this->graph->SetOutputFile($file);
+	}
+
+	/**
+	*    \brief      Génère le graph dans fichier préparer dans $graph
+	*    \param      file    Nom du fichier image
+	*/
+	function generate_phplot()
+	{
+		$this->graph->DrawGraph();
+	}
+
+
+
+	function SetPrecisionY($which_prec)
+	{
+		$this->PrecisionY = $which_prec;
+		return true;
+	}
+
+	/*
+	\remarks	Utiliser SetNumTicks ou SetHorizTickIncrement mais pas les 2
+	*/
+	function SetHorizTickIncrement($xi)
+	{
+		$this->SetHorizTickIncrement = $xi;
+		return true;
+	}
+
+	/*
+	\remarks	Utiliser SetNumTicks ou SetHorizTickIncrement mais pas les 2
+	*/
+	function SetNumXTicks($xt)
+	{
+		$this->SetNumXTicks = $xt;
+		return true;
+	}
+
+
+	function SetYLabel($label)
+	{
+		$this->YLabel = $label;
+	}
+
+	function SetWidth($w)
+	{
+		$this->width = $w;
+	}
+
+	function SetTitle($title)
+	{
+		$this->title = $title;
+	}
+
+	function SetData($data)
+	{
+		$this->data = $data;
+	}
+
+	function SetType($type)
+	{
+		$this->type = $type;
+	}
+
+	function SetLegend($legend)
+	{
+		$this->Legend = $legend;
+	}
+
+	function SetMaxValue($max)
+	{
+		$this->MaxValue = $max;
+	}
+	function GetMaxValue()
+	{
+		return $this->MaxValue;
+	}
+
+	function SetMinValue($min)
+	{
+		$this->MinValue = $min;
+	}
+	function GetMinValue()
+	{
+		return $this->MinValue;
+	}
+
+	function SetHeight($h)
+	{
+		$this->height = $h;
+	}
+
+	function SetShading($s)
+	{
+		$this->SetShading = $s;
+	}
+
+	function ResetBgColor()
+	{
+		unset($this->bgcolor);
+	}
+
+	/**
+	*	\brief		Definie la couleur de fond du graphique
+	*	\param		bg_color		array(R,G,B) ou 'onglet' ou 'default'
+	*/
+	function SetBgColor($bg_color = array(255,255,255))
+	{
+		global $theme_bgcolor,$theme_bgcoloronglet;
+		if (! is_array($bg_color))
+		{
+			if ($bg_color == 'onglet')
+			{
+				//print 'ee'.join(',',$theme_bgcoloronglet);
+				$this->bgcolor = $theme_bgcoloronglet;
+			}
+			else
+			{
+				$this->bgcolor = $theme_bgcolor;
+			}
+		}
+		else
+		{
+			$this->bgcolor = $bg_color;
+		}
+	}
+
+	function ResetDataColor()
+	{
+		unset($this->datacolor);
+	}
+
+	function GetMaxValueInData()
+	{
+		$k = 0;
+		$vals = array();
+
+		$nblines = sizeof($this->data);
+		$nbvalues = sizeof($this->data[0]) - 1;
+
+		for ($j = 0 ; $j < $nblines ; $j++)
+		{
+			for ($i = 0 ; $i < $nbvalues ; $i++)
+			{
+				$vals[$k] = $this->data[$j][$i+1];
+				$k++;
+			}
+		}
+		rsort($vals);
+		return $vals[0];
+	}
+
+	function GetMinValueInData()
+	{
+		$k = 0;
+		$vals = array();
+
+		$nblines = sizeof($this->data);
+		$nbvalues = sizeof($this->data[0]) - 1;
+
+		for ($j = 0 ; $j < $nblines ; $j++)
+		{
+			for ($i = 0 ; $i < $nbvalues ; $i++)
+			{
+				$vals[$k] = $this->data[$j][$i+1];
+				$k++;
+			}
+		}
+		sort($vals);
+		return $vals[0];
+	}
+
+	function GetCeilMaxValue()
+	{
+		$max = $this->GetMaxValueInData();
+		if ($max != 0) $max++;
+		$size=strlen(abs(ceil($max)));
+		$factor=1;
+		for ($i=0; $i < ($size-1); $i++)
+		{
+			$factor*=10;
+		}
+		$res=ceil($max/$factor)*$factor;
+
+		//print "max=".$max." res=".$res;
+		return $res;
+	}
+
+	function GetFloorMinValue()
+	{
+		$min = $this->GetMinValueInData();
+		if ($min != 0) $min--;
+		$size=strlen(abs(floor($min)));
+		$factor=1;
+		for ($i=0; $i < ($size-1); $i++)
+		{
+			$factor*=10;
+		}
+		$res=floor($min/$factor)*$factor;
+
+		//print "min=".$min." res=".$res;
+		return $res;
+	}
 }
 
 ?>