diff --git a/htdocs/public/onlinesign/newonlinesign.php b/htdocs/public/onlinesign/newonlinesign.php
index dd4845111e1..83e757b78f8 100644
--- a/htdocs/public/onlinesign/newonlinesign.php
+++ b/htdocs/public/onlinesign/newonlinesign.php
@@ -15,9 +15,6 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program. If not, see <https://www.gnu.org/licenses/>.
- *
- * For paypal test: https://developer.paypal.com/
- * For paybox test: ???
  */
 
 /**
@@ -26,8 +23,9 @@
  *		\brief      File to offer a way to make an online signature for a particular Dolibarr entity
  */
 
-define("NOLOGIN", 1); // This means this output page does not require to be logged.
-define("NOCSRFCHECK", 1); // We accept to go on this page from external web site.
+if (!defined('NOLOGIN'))		define("NOLOGIN", 1); // This means this output page does not require to be logged.
+if (!defined('NOCSRFCHECK'))	define("NOCSRFCHECK", 1); // We accept to go on this page from external web site.
+if (!defined('NOIPCHECK'))		define('NOIPCHECK', '1'); // Do not check IP defined into conf $dolibarr_main_restrict_ip
 
 // For MultiCompany module.
 // Do not use GETPOST here, function is not defined and define must be done before including main.inc.php
@@ -41,12 +39,13 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/payments.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 
+// Load translation files
+$langs->loadLangs(array("main", "other", "dict", "bills", "companies", "errors", "paybox"));
+
 // Security check
 // No check on module enabled. Done later according to $validpaymentmethod
 
-$langs->loadLangs(array("main", "other", "dict", "bills", "companies", "errors", "paybox"));
-
-$action = GETPOST('action', 'alpha');
+$action = GETPOST('action', 'aZ09');
 
 // Input are:
 // type ('invoice','order','contractline'),
@@ -55,7 +54,7 @@ $action = GETPOST('action', 'alpha');
 // tag (a free text, required if type is empty)
 // currency (iso code)
 
-$suffix = GETPOST("suffix", 'alpha');
+$suffix = GETPOST("suffix", 'aZ09');
 $source = GETPOST("source", 'alpha');
 $ref = $REF = GETPOST("ref", 'alpha');
 
@@ -71,9 +70,6 @@ if (!$action)
 }
 
 
-$paymentmethod = '';
-$validpaymentmethod = array();
-
 
 
 
@@ -133,7 +129,8 @@ if (!empty($conf->global->MAIN_SIGN_CSS_URL)) $head = '<link rel="stylesheet" ty
 $conf->dol_hide_topmenu = 1;
 $conf->dol_hide_leftmenu = 1;
 
-llxHeader($head, $langs->trans("OnlineSignature"), '', '', 0, 0, '', '', '', 'onlinepaymentbody');
+$replacemainarea = (empty($conf->dol_hide_leftmenu) ? '<div>' : '').'<div>';
+llxHeader($head, $langs->trans("OnlineSignature"), '', '', 0, 0, '', '', '', 'onlinepaymentbody', $replacemainarea);
 
 // Check link validity
 if (!empty($source) && in_array($ref, array('member_ref', 'contractline_ref', 'invoice_ref', 'order_ref', '')))
@@ -171,23 +168,32 @@ elseif (!empty($conf->global->ONLINE_SIGN_LOGO)) $logosmall = $conf->global->ONL
 //print '<!-- Show logo (logosmall='.$logosmall.' logo='.$logo.') -->'."\n";
 // Define urllogo
 $urllogo = '';
+$urllogofull = '';
 if (!empty($logosmall) && is_readable($conf->mycompany->dir_output.'/logos/thumbs/'.$logosmall))
 {
 	$urllogo = DOL_URL_ROOT.'/viewimage.php?modulepart=mycompany&amp;entity='.$conf->entity.'&amp;file='.urlencode('logos/thumbs/'.$logosmall);
+	$urllogofull = $dolibarr_main_url_root.'/viewimage.php?modulepart=mycompany&entity='.$conf->entity.'&file='.urlencode('logos/thumbs/'.$logosmall);
+	$width = 150;
 }
 elseif (!empty($logo) && is_readable($conf->mycompany->dir_output.'/logos/'.$logo))
 {
 	$urllogo = DOL_URL_ROOT.'/viewimage.php?modulepart=mycompany&amp;entity='.$conf->entity.'&amp;file='.urlencode('logos/'.$logo);
-	$width = 96;
+	$urllogofull = $dolibarr_main_url_root.'/viewimage.php?modulepart=mycompany&entity='.$conf->entity.'&file='.urlencode('logos/'.$logo);
+	$width = 150;
 }
 // Output html code for logo
 if ($urllogo)
 {
-	print '<tr>';
-	print '<td align="center"><img id="dolpaymentlogo" title="'.$title.'" src="'.$urllogo.'"';
+	print '<div class="backgreypublicpayment">';
+	print '<div class="logopublicpayment">';
+	print '<img id="dolpaymentlogo" src="'.$urllogo.'"';
 	if ($width) print ' width="'.$width.'"';
-	print '></td>';
-	print '</tr>'."\n";
+	print '>';
+	print '</div>';
+	if (empty($conf->global->MAIN_HIDE_POWERED_BY)) {
+		print '<div class="poweredbypublicpayment opacitymedium right"><a href="https://www.dolibarr.org" target="dolibarr">'.$langs->trans("PoweredBy").'<br><img src="'.DOL_URL_ROOT.'/theme/dolibarr_logo.png" width="80px"></a></div>';
+	}
+	print '</div>';
 }
 
 // Output introduction text
@@ -209,7 +215,7 @@ print $text;
 // Output payment summary form
 print '<tr><td align="center">';
 print '<table with="100%" id="tablepublicpayment">';
-print '<tr class="liste_total"><td align="left" colspan="2">'.$langs->trans("ThisIsInformationOnDocumentToSign").' :</td></tr>'."\n";
+print '<tr><td align="left" colspan="2" class="opacitymedium">'.$langs->trans("ThisIsInformationOnDocumentToSign").' :</td></tr>'."\n";
 
 $found = false;
 $error = 0;