diff --git a/htdocs/admin/translation.php b/htdocs/admin/translation.php
index 651335d0a6d..0c4df916943 100644
--- a/htdocs/admin/translation.php
+++ b/htdocs/admin/translation.php
@@ -367,6 +367,14 @@ if ($mode == 'searchkey')
         	foreach($filearray as $file)
         	{
         		$tmpfile=preg_replace('/.lang/i', '', basename($file['name']));
+        		//Detect if trans coming from extranl module
+        		foreach ($conf->file->dol_document_root as $keyconf=>$dirconfalt) {
+        			if (($keyconf!='main') && (preg_match('$'.preg_quote($dirconfalt).'$i', $file['fullname']))) {
+        				//In this case load modulename@nmodulename
+        				$tmpfile=$tmpfile.'@'.$tmpfile;
+        				break;
+        			}
+        		}
         		$newlang->load($tmpfile, 0, 0, '', 0);                              // Load translation files + database overwrite
         		$newlangfileonly->load($tmpfile, 0, 0, '', 1);                      // Load translation files only
         		//print 'After loading lang '.$tmpfile.', newlang has '.count($newlang->tab_translate).' records<br>'."\n";
diff --git a/htdocs/compta/paiement/class/paiement.class.php b/htdocs/compta/paiement/class/paiement.class.php
index 7c5b99e2945..729700093e6 100644
--- a/htdocs/compta/paiement/class/paiement.class.php
+++ b/htdocs/compta/paiement/class/paiement.class.php
@@ -1114,5 +1114,31 @@ class Paiement extends CommonObject
 	    }*/
 		return '';
 	}
+	
+	/**
+     *    	Load the third party of object, from id into this->thirdparty
+     *
+     *		@param		int		$force_thirdparty_id	Force thirdparty id
+     *		@return		int								<0 if KO, >0 if OK
+     */
+    function fetch_thirdparty($force_thirdparty_id=0)
+    {
+		require_once DOL_DOCUMENT_ROOT . '/compta/facture/class/facture.class.php';
+		
+		if (empty($force_thirdparty_id))
+		{
+			$billsarray = $this->getBillsArray(); // From payment, the fk_soc isn't available, we should load the first invoice to get him
+			if (!empty($billsarray))
+			{
+				$supplier_invoice = new FactureFournisseur($this->db);
+				if ($supplier_invoice->fetch($billsarray[0]) > 0)
+				{
+					$force_thirdparty_id = $supplier_invoice->fk_soc;
+				}
+			}
+		}
+		
+		return parent::fetch_thirdparty($force_thirdparty_id);
+    }
 
 }
diff --git a/htdocs/contact/document.php b/htdocs/contact/document.php
index da8ef616a4f..eb66ae21a4f 100644
--- a/htdocs/contact/document.php
+++ b/htdocs/contact/document.php
@@ -58,9 +58,7 @@ $result = restrictedArea($user, 'contact', $id, 'socpeople&societe', '', '', 'ro
 $sortfield = GETPOST("sortfield",'alpha');
 $sortorder = GETPOST("sortorder",'alpha');
 $page = GETPOST("page",'int');
-if ($page == -1) {
-    $page = 0;
-}
+if (empty($page) || $page == -1) { $page = 0; }     // If $page is not defined, or '' or -1
 $offset = $conf->liste_limit * $page;
 $pageprev = $page - 1;
 $pagenext = $page + 1;
@@ -108,7 +106,7 @@ if ($object->id)
     }
 
     $linkback = '<a href="'.DOL_URL_ROOT.'/contact/list.php">'.$langs->trans("BackToList").'</a>';
-    
+
     $morehtmlref='<div class="refidno">';
     if (empty($conf->global->SOCIETE_DISABLE_CONTACTS))
     {
@@ -120,11 +118,11 @@ if ($object->id)
         else $morehtmlref.=$langs->trans("ContactNotLinkedToCompany");
     }
     $morehtmlref.='</div>';
-    
+
     dol_banner_tab($object, 'id', $linkback, 1, 'rowid', 'ref', $morehtmlref);
-        
+
     print '<div class="fichecenter">';
-    
+
     print '<div class="underbanner clearboth"></div>';
     print '<table class="border centpercent">';
 
@@ -147,7 +145,7 @@ if ($object->id)
     		print '</td></tr>';
     	}
     }*/
-    
+
     // Civility
     print '<tr><td class="titlefield">'.$langs->trans("UserTitle").'</td><td colspan="3">';
     print $object->getCivilityLabel();
@@ -160,7 +158,7 @@ if ($object->id)
     print '</div>';
 
     dol_fiche_end();
-    
+
     $modulepart = 'contact';
     $permission = $user->rights->societe->contact->creer;
     $permtoedit = $user->rights->societe->contact->creer;
diff --git a/htdocs/core/lib/product.lib.php b/htdocs/core/lib/product.lib.php
index b01637d7b08..dd756830f41 100644
--- a/htdocs/core/lib/product.lib.php
+++ b/htdocs/core/lib/product.lib.php
@@ -477,3 +477,42 @@ function measuring_units_string($unit,$measuring_style='')
 
 	return $measuring_units[$unit];
 }
+
+/**
+ *	Transform a given unit into the square of that unit, if known
+ *
+ *	@param	int		$unit            Unit key (-3,-2,-1,0,98,99...)
+ *	@return	int	   			         Squared unit key (-6,-4,-2,0,98,99...)
+ * 	@see	formproduct->load_measuring_units
+ */
+function measuring_units_squared($unit)
+{
+	$measuring_units=array();
+	$measuring_units[0] = 0;   // m -> m3
+	$measuring_units[-1] = -2; // dm-> dm2
+	$measuring_units[-2] = -4; // cm -> cm2
+	$measuring_units[-3] = -6; // mm -> mm2
+	$measuring_units[98] = 98; // foot -> foot2
+	$measuring_units[99] = 99; // inch -> inch2
+	return $measuring_units[$unit];
+}
+
+
+/**
+ *	Transform a given unit into the cube of that unit, if known
+ *
+ *	@param	int		$unit            Unit key (-3,-2,-1,0,98,99...)
+ *	@return	int	   			         Cubed unit key (-9,-6,-3,0,88,89...)
+ * 	@see	formproduct->load_measuring_units
+ */
+function measuring_units_cubed($unit)
+{
+	$measuring_units=array();
+	$measuring_units[0] = 0;   // m -> m2
+	$measuring_units[-1] = -3; // dm-> dm3
+	$measuring_units[-2] = -6; // cm -> cm3
+	$measuring_units[-3] = -9; // mm -> mm3
+	$measuring_units[98] = 88; // foot -> foot3
+	$measuring_units[99] = 89; // inch -> inch3
+	return $measuring_units[$unit];
+}
diff --git a/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php b/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php
index f9dac51389f..72ea8925177 100644
--- a/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php
+++ b/htdocs/core/modules/contract/doc/doc_generic_contract_odt.modules.php
@@ -1,6 +1,7 @@
 <?php
 /* Copyright (C) 2010-2012 	Laurent Destailleur <eldy@users.sourceforge.net>
  * Copyright (C) 2012		Juanjo Menent		<jmenent@2byte.es>
+ * Copyright (C) 2018		Ferran Marcet		<fmarcet@2byte.es>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
@@ -280,14 +281,14 @@ class doc_generic_contract_odt extends ModelePDFContract
 					// On peut utiliser le nom de la societe du contact
 					if (! empty($conf->global->MAIN_USE_COMPANY_NAME_OF_CONTACT)) $socobject = $object->contact;
 					else {
-                        			$socobject = $object->client;
+                        			$socobject = $object->thirdparty;
                         			// if we have a CUSTOMER contact and we dont use it as recipient we store the contact object for later use
                         			$contactobject = $object->contact;
                     			}
 				}
 				else
 				{
-					$socobject=$object->client;
+					$socobject=$object->thirdparty;
 				}
 				// Make substitution
 				$substitutionarray=array(
diff --git a/htdocs/core/modules/product/doc/doc_generic_product_odt.modules.php b/htdocs/core/modules/product/doc/doc_generic_product_odt.modules.php
index 811a99d5b2a..a05e1d6327f 100644
--- a/htdocs/core/modules/product/doc/doc_generic_product_odt.modules.php
+++ b/htdocs/core/modules/product/doc/doc_generic_product_odt.modules.php
@@ -307,14 +307,14 @@ class doc_generic_product_odt extends ModelePDFProduct
 					// On peut utiliser le nom de la societe du contact
 					if (! empty($conf->global->MAIN_USE_COMPANY_NAME_OF_CONTACT)) $socobject = $object->contact;
 					else {
-                        			$socobject = $object->client;
+                        			$socobject = $object->thirdparty;
                         			// if we have a CUSTOMER contact and we dont use it as recipient we store the contact object for later use
                         			$contactobject = $object->contact;
                     			}
 				}
 				else
 				{
-					$socobject=$object->client;
+					$socobject=$object->thirdparty;
 				}
 				// Make substitution
 				$substitutionarray=array(
diff --git a/htdocs/core/modules/supplier_payment/doc/pdf_standard.modules.php b/htdocs/core/modules/supplier_payment/doc/pdf_standard.modules.php
index 6fbfb4b1bf4..7d0772f272c 100644
--- a/htdocs/core/modules/supplier_payment/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/supplier_payment/doc/pdf_standard.modules.php
@@ -723,12 +723,12 @@ class pdf_standard extends ModelePDFSuppliersPayments
 			if ($usecontact && !empty($conf->global->MAIN_USE_COMPANY_NAME_OF_CONTACT)) {
 				$thirdparty = $object->contact;
 			} else {
-				$thirdparty = $mysoc;
+				$thirdparty = $object->thirdparty;
 			}
 
 			$carac_client_name= pdfBuildThirdpartyName($thirdparty, $outputlangs);
 
-			$carac_client=pdf_build_address($outputlangs,$this->emetteur,$mysoc,((!empty($object->contact))?$object->contact:null),$usecontact,'target',$object);
+			$carac_client=pdf_build_address($outputlangs,$this->emetteur,$thirdparty,((!empty($object->contact))?$object->contact:null),$usecontact,'target',$object);
 
 			// Show recipient
 			$widthrecbox=90;
diff --git a/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php b/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php
index 11ae5729b3b..ee329b0bd7a 100644
--- a/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php
+++ b/htdocs/core/modules/user/doc/doc_generic_user_odt.modules.php
@@ -304,14 +304,14 @@ class doc_generic_user_odt extends ModelePDFUser
 					// On peut utiliser le nom de la societe du contact
 					if (! empty($conf->global->MAIN_USE_COMPANY_NAME_OF_CONTACT)) $socobject = $object->contact;
 					else {
-                        			$socobject = $object->client;
+                        			$socobject = $object->thirdparty;
                         			// if we have a CUSTOMER contact and we dont use it as recipient we store the contact object for later use
                         			$contactobject = $object->contact;
                     			}
 				}
 				else
 				{
-					$socobject=$object->client;
+					$socobject=$object->thirdparty;
 				}
 
 				// Open and load template
diff --git a/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php b/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
index 35367052796..fe54e587e46 100644
--- a/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
+++ b/htdocs/core/modules/usergroup/doc/doc_generic_usergroup_odt.modules.php
@@ -306,14 +306,14 @@ class doc_generic_usergroup_odt extends ModelePDFUserGroup
 					// On peut utiliser le nom de la societe du contact
 					if (! empty($conf->global->MAIN_USE_COMPANY_NAME_OF_CONTACT)) $socobject = $object->contact;
 					else {
-                        			$socobject = $object->client;
+                        			$socobject = $object->thirdparty;
                         			// if we have a CUSTOMER contact and we dont use it as recipient we store the contact object for later use
                         			$contactobject = $object->contact;
                     			}
 				}
 				else
 				{
-					$socobject=$object->client;
+					$socobject=$object->thirdparty;
 				}
 				// Make substitution
 				$substitutionarray=array(
diff --git a/htdocs/fichinter/card.php b/htdocs/fichinter/card.php
index 2cce9534873..c8951a3f035 100644
--- a/htdocs/fichinter/card.php
+++ b/htdocs/fichinter/card.php
@@ -4,7 +4,7 @@
  * Copyright (C) 2005-2015	Regis Houssin			<regis.houssin@capnetworks.com>
  * Copyright (C) 2011-2017  Juanjo Menent			<jmenent@2byte.es>
  * Copyright (C) 2013       Florian Henry           <florian.henry@open-concept.pro>
- * Copyright (C) 2014-2015  Ferran Marcet           <fmarcet@2byte.es>
+ * Copyright (C) 2014-2018  Ferran Marcet           <fmarcet@2byte.es>
  * Copyright (C) 2014-2015 	Charlie Benke           <charlies@patas-monkey.com>
  * Copyright (C) 2015-2016  Abbes Bahfir            <bafbes@gmail.com>
  *
@@ -297,7 +297,7 @@ if (empty($reshook))
 										$outputlangs = $langs;
 										$newlang='';
 										if (empty($newlang) && GETPOST('lang_id','aZ09')) $newlang=GETPOST('lang_id','aZ09');
-										if (empty($newlang)) $newlang=$srcobject->client->default_lang;
+										if (empty($newlang)) $newlang=$srcobject->thirdparty->default_lang;
 										if (! empty($newlang)) {
 											$outputlangs = new Translate("",$conf);
 											$outputlangs->setDefaultLang($newlang);
@@ -878,7 +878,7 @@ if ($action == 'create')
 
 			$projectid          = (!empty($objectsrc->fk_project)?$objectsrc->fk_project:'');
 
-			$soc = $objectsrc->client;
+			$soc = $objectsrc->thirdparty;
 
 			$note_private		= (! empty($objectsrc->note) ? $objectsrc->note : (! empty($objectsrc->note_private) ? $objectsrc->note_private : GETPOST('note_private')));
 			$note_public		= (! empty($objectsrc->note_public) ? $objectsrc->note_public : GETPOST('note_public'));
diff --git a/htdocs/fourn/class/paiementfourn.class.php b/htdocs/fourn/class/paiementfourn.class.php
index 7a709bbce94..c2c98b9f00d 100644
--- a/htdocs/fourn/class/paiementfourn.class.php
+++ b/htdocs/fourn/class/paiementfourn.class.php
@@ -734,4 +734,30 @@ class PaiementFourn extends Paiement
 		
 		return $way;
 	}
+	
+	/**
+     *    	Load the third party of object, from id into this->thirdparty
+     *
+     *		@param		int		$force_thirdparty_id	Force thirdparty id
+     *		@return		int								<0 if KO, >0 if OK
+     */
+    function fetch_thirdparty($force_thirdparty_id=0)
+    {
+		require_once DOL_DOCUMENT_ROOT . '/fourn/class/fournisseur.facture.class.php';
+		
+		if (empty($force_thirdparty_id))
+		{
+			$billsarray = $this->getBillsArray(); // From payment, the fk_soc isn't available, we should load the first supplier invoice to get him
+			if (!empty($billsarray))
+			{
+				$supplier_invoice = new FactureFournisseur($this->db);
+				if ($supplier_invoice->fetch($billsarray[0]) > 0)
+				{
+					$force_thirdparty_id = $supplier_invoice->fk_soc;
+				}
+			}
+		}
+		
+		return parent::fetch_thirdparty($force_thirdparty_id);
+    }
 }
diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index ed5813c2998..0b40f815816 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -745,12 +745,12 @@ class Product extends CommonObject
 		if (empty($this->surface) && !empty($this->length) && !empty($this->width) && $this->length_units == $this->width_units)
 		{
 			$this->surface = $this->length * $this->width;
-			$this->surface_units = $this->length_units + $this->width_units;
+			$this->surface_units = measuring_units_squared($this->length_units);
 		}
 		if (empty($this->volume) && !empty($this->surface_units) && !empty($this->height) && $this->length_units == $this->height_units)
 		{
 			$this->volume =  $this->surface * $this->height;
-			$this->volume_units = $this->surface_units + $this->height_units;
+			$this->volume_units = measuring_units_cubed($this->height_units);
 		}
 
 		$this->surface = price2num($this->surface);