diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index f306cf4b372856cedc4b6b0c716712fae85320d2..bc38958fa9ecca6590c57d4f7ccc34b91ef238b7 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -172,7 +172,7 @@ function dol_shutdown()
  *  Return value of a param into GET or POST supervariable
  *
  *  @param	string	$paramname   Name of parameter to found
- *  @param	string	$check	     Type of check (''=no check,  'int'=check it's numeric, 'alpha'=check it's text and sign, 'az'=check it's a-z only, 'array'=check it's array)
+ *  @param	string	$check	     Type of check (''=no check,  'int'=check it's numeric, 'alpha'=check it's text and sign, 'aZ'=check it's a-z only, 'array'=check it's array)
  *  @param	int		$method	     Type of method (0 = get then post, 1 = only get, 2 = only post, 3 = post then get, 4 = post then get then cookie)
  *  @return string||string[]      		 Value found, or '' if check fails
  */
diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index a2d2ee36d9c2bc161a42eb3622ad09ecf0b1c149..1ba5f7b2283f955c65d96650aff57e1fc9dcc4eb 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -269,7 +269,7 @@ class Product extends CommonObject
 
         // Barcode value
         $this->barcode=trim($this->barcode);
-		
+
         // Check parameters
 		if (empty($this->libelle))
 		{
@@ -309,11 +309,11 @@ class Product extends CommonObject
 
         // For automatic creation during create action (not used by Dolibarr GUI, can be used by scripts)
 		if ($this->barcode == -1) $this->barcode = $this->get_barcode($this,$this->barcode_type_code);
-		
+
 		// Check more parameters
         // If error, this->errors[] is filled
         $result = $this->verify();
-        
+
         if ($result >= 0)
         {
 			$sql = "SELECT count(*) as nb";
@@ -520,7 +520,7 @@ class Product extends CommonObject
             }
 
             $mod = new $module();
-            
+
             dol_syslog(get_class($this)."::check_barcode value=".$valuetotest." type=".$typefortest." module=".$module);
             $result = $mod->verif($this->db, $valuetotest, $this, 0, $typefortest);
             return $result;
@@ -586,7 +586,7 @@ class Product extends CommonObject
         {
         	$result = $this->verify();	// We don't check when update called during a create because verify was already done
         }
-        
+
         if ($result >= 0)
         {
 	        // For automatic creation
@@ -600,7 +600,7 @@ class Product extends CommonObject
 			$sql.= ", recuperableonly = " . $this->tva_npr;
 			$sql.= ", localtax1_tx = " . $this->localtax1_tx;
 			$sql.= ", localtax2_tx = " . $this->localtax2_tx;
-				
+
 			$sql.= ", barcode = ". (empty($this->barcode)?"null":"'".$this->db->escape($this->barcode)."'");
 			$sql.= ", fk_barcode_type = ". (empty($this->barcode_type)?"null":$this->db->escape($this->barcode_type));
 
@@ -627,7 +627,7 @@ class Product extends CommonObject
 			$sql.= ", accountancy_code_sell= '" . $this->accountancy_code_sell."'";
 			$sql.= ", desiredstock = " . ((isset($this->desiredstock) && $this->desiredstock != '') ? $this->desiredstock : "null");
 			$sql.= " WHERE rowid = " . $id;
-				
+
 			dol_syslog(get_class($this)."update sql=".$sql);
 			$resql=$this->db->query($sql);
 			if ($resql)
@@ -859,7 +859,7 @@ class Product extends CommonObject
 	}
 
 	/**
-	 *	Update ou cree les traductions des infos produits
+	 *	Update or add a translation for a product
 	 *
 	 *	@return		int		<0 if KO, >0 if OK
 	 */
@@ -936,6 +936,29 @@ class Product extends CommonObject
 		return 1;
 	}
 
+	/**
+	 *	Delete a language for this product
+	 *
+	 *  @param		string	$langtodelete		Language to delete
+	 *	@return		int							<0 if KO, >0 if OK
+	 */
+	function delMultiLangs($langtodelete)
+	{
+		$sql = "DELETE FROM ".MAIN_DB_PREFIX."product_lang";
+		$sql.= " WHERE fk_product=".$this->id." AND lang='".$this->db->escape($langtodelete)."'";
+
+		dol_syslog("Delete translation sql=".$sql);
+		$result = $this->db->query($sql);
+		if ($result)
+		{
+			return 1;
+		}
+		else
+		{
+			$this->error="Error: ".$this->db->error()." - ".$sql;
+			return -1;
+		}
+	}
 
 	/**
 	 *	Load array this->multilangs
@@ -973,7 +996,7 @@ class Product extends CommonObject
 		}
 		else
 		{
-			$this->error=$langs->trans("Error")." : ".$this->db->error()." - ".$sql;
+			$this->error="Error: ".$this->db->error()." - ".$sql;
 			return -1;
 		}
 	}
diff --git a/htdocs/product/traduction.php b/htdocs/product/traduction.php
index 045b9c8cf1d0258853a858647dc0eaa2f3adff2f..f273eef35bf3244d9be87b4a91a4b2f78afa3609 100644
--- a/htdocs/product/traduction.php
+++ b/htdocs/product/traduction.php
@@ -55,6 +55,12 @@ if ($cancel == $langs->trans("Cancel"))
 	$action = '';
 }
 
+if ($action == 'delete' && GETPOST('langtodelete','alpha'))
+{
+	$product = new Product($db);
+	$product->fetch($id);
+	$product->delMultiLangs(GETPOST('langtodelete','alpha'));
+}
 
 // Validation de l'ajout
 if ($action == 'vadd' &&
@@ -209,7 +215,7 @@ else
 		{
 			$cnt_trans++;
 			$s=picto_from_langcode($key);
-			print "<br>".($s?$s.' ':'')." <b>".$langs->trans('Language_'.$key).":</b><br>";
+			print "<br>".($s?$s.' ':'')." <b>".$langs->trans('Language_'.$key).":</b> ".'<a href="'.$_SERVER["PHP_SELF"].'?id='.$product->id.'&action=delete&langtodelete='.$key.'">'.img_delete('', '')."</a><br>";
 			print '<table class="border" width="100%">';
 			print '<tr><td width="15%">'.$langs->trans('Label').'</td><td>'.$product->multilangs[$key]["label"].'</td></tr>';
 			print '<tr><td width="15%">'.$langs->trans('Description').'</td><td>'.$product->multilangs[$key]["description"].'</td></tr>';
@@ -257,8 +263,8 @@ if ($action == 'add' && ($user->rights->produit->creer || $user->rights->service
 	print '<input type="hidden" name="id" value="'.$_GET["id"].'">';
 
 	print '<table class="border" width="100%">';
-	print '<tr><td valign="top" width="15%" class="fieldrequired">'.$langs->trans('Translation').'</td><td>';
-    print $formadmin->select_language('','forcelangprod',0,$product->multilangs);
+	print '<tr><td valign="top" width="15%" class="fieldrequired">'.$langs->trans('Language').'</td><td>';
+    print $formadmin->select_language('','forcelangprod',0,$product->multilangs,1);
 	print '</td></tr>';
 	print '<tr><td valign="top" width="15%" class="fieldrequired">'.$langs->trans('Label').'</td><td><input name="libelle" size="40"></td></tr>';
 	print '<tr><td valign="top" width="15%">'.$langs->trans('Description').'</td><td>';