diff --git a/htdocs/public/payment/newpayment.php b/htdocs/public/payment/newpayment.php
index 2519e4d0d46..005131e1d08 100644
--- a/htdocs/public/payment/newpayment.php
+++ b/htdocs/public/payment/newpayment.php
@@ -71,17 +71,17 @@ if (! $action)
 {
     if (! GETPOST("amount",'alpha') && ! GETPOST("source",'alpha'))
     {
-    	dol_print_error('',$langs->trans('ErrorBadParameters')." - amount or source");
+    	print $langs->trans('ErrorBadParameters')." - amount or source";
     	exit;
     }
     if (is_numeric($amount) && ! GETPOST("tag",'alpha') && ! GETPOST("source",'alpha'))
     {
-    	dol_print_error('',$langs->trans('ErrorBadParameters')." - tag or source");
+    	print $langs->trans('ErrorBadParameters')." - tag or source";
     	exit;
     }
     if (GETPOST("source",'alpha') && ! GETPOST("ref",'alpha'))
     {
-    	dol_print_error('',$langs->trans('ErrorBadParameters')." - ref");
+    	print $langs->trans('ErrorBadParameters')." - ref";
     	exit;
     }
 }
@@ -117,6 +117,11 @@ $FULLTAG=GETPOST("fulltag",'alpha');		// fulltag is tag with more informations
 $SECUREKEY=GETPOST("securekey");	        // Secure key
 if ($paymentmethod && ! preg_match('/'.preg_quote('PM='.$paymentmethod,'/').'/', $FULLTAG)) $FULLTAG.=($FULLTAG?'.':'').'PM='.$paymentmethod;
 
+if (! empty($suffix))
+{
+	$urlok.='suffix='.urlencode($suffix).'&';
+	$urlko.='suffix='.urlencode($suffix).'&';
+}
 if (! empty($SOURCE))
 {
     $urlok.='source='.urlencode($SOURCE).'&';
@@ -560,12 +565,12 @@ $urllogo='';
 if (! empty($logosmall) && is_readable($conf->mycompany->dir_output.'/logos/thumbs/'.$logosmall))
 {
 	$urllogo=DOL_URL_ROOT.'/viewimage.php?modulepart=mycompany&file='.urlencode('thumbs/'.$logosmall);
-	$width=128;
+	$width=150;
 }
 elseif (! empty($logo) && is_readable($conf->mycompany->dir_output.'/logos/'.$logo))
 {
 	$urllogo=DOL_URL_ROOT.'/viewimage.php?modulepart=mycompany&file='.urlencode($logo);
-	$width=128;
+	$width=150;
 }
 // Output html code for logo
 if ($urllogo)
diff --git a/htdocs/public/payment/paymentko.php b/htdocs/public/payment/paymentko.php
index d4dea960b2f..c5eb9f7e698 100644
--- a/htdocs/public/payment/paymentko.php
+++ b/htdocs/public/payment/paymentko.php
@@ -70,6 +70,8 @@ if (! empty($conf->stripe->enabled))
 $FULLTAG=GETPOST('FULLTAG');
 if (empty($FULLTAG)) $FULLTAG=GETPOST('fulltag');
 
+$suffix=GETPOST("suffix",'aZ09');
+
 
 // Detect $paymentmethod
 $paymentmethod='';
@@ -202,6 +204,38 @@ llxHeader($head, $langs->trans("PaymentForm"), '', '', 0, 0, '', '', '', 'online
 // Show ko message
 print '<span id="dolpaymentspan"></span>'."\n";
 print '<div id="dolpaymentdiv" align="center">'."\n";
+
+
+// Show logo (search order: logo defined by PAYMENT_LOGO_suffix, then PAYMENT_LOGO, then small company logo, large company logo, theme logo, common logo)
+$width=0;
+// Define logo and logosmall
+$logosmall=$mysoc->logo_small;
+$logo=$mysoc->logo;
+$paramlogo='ONLINE_PAYMENT_LOGO_'.$suffix;
+if (! empty($conf->global->$paramlogo)) $logosmall=$conf->global->$paramlogo;
+else if (! empty($conf->global->ONLINE_PAYMENT_LOGO)) $logosmall=$conf->global->ONLINE_PAYMENT_LOGO;
+//print '<!-- Show logo (logosmall='.$logosmall.' logo='.$logo.') -->'."\n";
+// Define urllogo
+$urllogo='';
+if (! empty($logosmall) && is_readable($conf->mycompany->dir_output.'/logos/thumbs/'.$logosmall))
+{
+	$urllogo=DOL_URL_ROOT.'/viewimage.php?modulepart=mycompany&amp;file='.urlencode('thumbs/'.$logosmall);
+	$width=150;
+}
+elseif (! empty($logo) && is_readable($conf->mycompany->dir_output.'/logos/'.$logo))
+{
+	$urllogo=DOL_URL_ROOT.'/viewimage.php?modulepart=mycompany&amp;file='.urlencode($logo);
+	$width=150;
+}
+// Output html code for logo
+if ($urllogo)
+{
+	print '<center><img id="dolpaymentlogo" title="'.$title.'" src="'.$urllogo.'"';
+	if ($width) print ' width="'.$width.'"';
+	print '></center>';
+	print '<br>';
+}
+
 print $langs->trans("YourPaymentHasNotBeenRecorded")."<br><br>";
 
 if (! empty($conf->global->ONLINE_PAYMENT_MESSAGE_KO)) print $conf->global->ONLINE_PAYMENT_MESSAGE_KO;
diff --git a/htdocs/public/payment/paymentok.php b/htdocs/public/payment/paymentok.php
index 4cb7dc0427c..ceda6a8c5a7 100644
--- a/htdocs/public/payment/paymentok.php
+++ b/htdocs/public/payment/paymentok.php
@@ -79,6 +79,8 @@ if (empty($FULLTAG)) $FULLTAG=GETPOST('fulltag');
 $source=GETPOST('source');
 $ref=GETPOST('ref');
 
+$suffix=GETPOST("suffix",'aZ09');
+
 
 // Detect $paymentmethod
 $paymentmethod='';
@@ -149,6 +151,37 @@ print '<span id="dolpaymentspan"></span>'."\n";
 print '<div id="dolpaymentdiv" align="center">'."\n";
 
 
+// Show logo (search order: logo defined by PAYMENT_LOGO_suffix, then PAYMENT_LOGO, then small company logo, large company logo, theme logo, common logo)
+$width=0;
+// Define logo and logosmall
+$logosmall=$mysoc->logo_small;
+$logo=$mysoc->logo;
+$paramlogo='ONLINE_PAYMENT_LOGO_'.$suffix;
+if (! empty($conf->global->$paramlogo)) $logosmall=$conf->global->$paramlogo;
+else if (! empty($conf->global->ONLINE_PAYMENT_LOGO)) $logosmall=$conf->global->ONLINE_PAYMENT_LOGO;
+//print '<!-- Show logo (logosmall='.$logosmall.' logo='.$logo.') -->'."\n";
+// Define urllogo
+$urllogo='';
+if (! empty($logosmall) && is_readable($conf->mycompany->dir_output.'/logos/thumbs/'.$logosmall))
+{
+	$urllogo=DOL_URL_ROOT.'/viewimage.php?modulepart=mycompany&amp;file='.urlencode('thumbs/'.$logosmall);
+	$width=150;
+}
+elseif (! empty($logo) && is_readable($conf->mycompany->dir_output.'/logos/'.$logo))
+{
+	$urllogo=DOL_URL_ROOT.'/viewimage.php?modulepart=mycompany&amp;file='.urlencode($logo);
+	$width=150;
+}
+// Output html code for logo
+if ($urllogo)
+{
+	print '<center><img id="dolpaymentlogo" title="'.$title.'" src="'.$urllogo.'"';
+	if ($width) print ' width="'.$width.'"';
+	print '></center>';
+	print '<br>';
+}
+
+
 if (! empty($conf->paypal->enabled))
 {
 	if ($paymentmethod == 'paypal')