diff --git a/htdocs/core/class/extrafields.class.php b/htdocs/core/class/extrafields.class.php
index 97645487d45..8d61733e138 100644
--- a/htdocs/core/class/extrafields.class.php
+++ b/htdocs/core/class/extrafields.class.php
@@ -63,7 +63,7 @@ class ExtraFields
 	var $errno;
 
 	var $attribute_hidden;
-	
+
 	public static $type2label=array(
 	'varchar'=>'String',
 	'text'=>'TextLong',
@@ -665,6 +665,7 @@ class ExtraFields
 		$param=$this->attribute_param[$key];
 		$perms=$this->attribute_perms[$key];
 		$list=$this->attribute_list[$key];
+		$hidden=$this->attribute_hidden[$key];
 
 		if (empty($showsize))
 		{
@@ -686,7 +687,7 @@ class ExtraFields
     			if ($showsize > 48) $showsize=48;
     		}
 		}
-		
+
 		if (in_array($type,array('date','datetime')))
 		{
 			$tmp=explode(',',$size);
@@ -823,7 +824,7 @@ class ExtraFields
 					if (strpos($InfoFieldList[4], '$SEL$')!==false) {
 						$InfoFieldList[4]=str_replace('$SEL$','SELECT',$InfoFieldList[4]);
 					}
-					
+
 					// current object id can be use into filter
 					if (strpos($InfoFieldList[4], '$ID$')!==false && !empty($objectid)) {
 						$InfoFieldList[4]=str_replace('$ID$',$objectid,$InfoFieldList[4]);
@@ -841,14 +842,14 @@ class ExtraFields
 						$sqlwhere.= ' WHERE '.$InfoFieldList[4];
 					}
 				}
-				else 
+				else
 				{
 					$sqlwhere.= ' WHERE 1=1';
 				}
 				// Some tables may have field, some other not. For the moment we disable it.
-				if (in_array($InfoFieldList[0],array('tablewithentity'))) 
+				if (in_array($InfoFieldList[0],array('tablewithentity')))
 				{
-					$sqlwhere.= ' AND entity = '.$conf->entity;	
+					$sqlwhere.= ' AND entity = '.$conf->entity;
 				}
 				$sql.=$sqlwhere;
 				//print $sql;
@@ -1007,19 +1008,19 @@ class ExtraFields
 				$sql = 'SELECT ' . $keyList;
 				$sql .= ' FROM ' . MAIN_DB_PREFIX . $InfoFieldList[0];
 				if (! empty($InfoFieldList[4])) {
-					
+
 					// can use SELECT request
 					if (strpos($InfoFieldList[4], '$SEL$')!==false) {
 						$InfoFieldList[4]=str_replace('$SEL$','SELECT',$InfoFieldList[4]);
 					}
-					
+
 					// current object id can be use into filter
 					if (strpos($InfoFieldList[4], '$ID$')!==false && !empty($objectid)) {
 						$InfoFieldList[4]=str_replace('$ID$',$objectid,$InfoFieldList[4]);
 					} else {
 						$InfoFieldList[4]=str_replace('$ID$','0',$InfoFieldList[4]);
 					}
-					
+
 					// We have to join on extrafield table
 					if (strpos($InfoFieldList[4], 'extra') !== false) {
 						$sql .= ' as main, ' . MAIN_DB_PREFIX . $InfoFieldList[0] . '_extrafields as extra';
@@ -1031,13 +1032,13 @@ class ExtraFields
 					$sqlwhere .= ' WHERE 1=1';
 				}
 				// Some tables may have field, some other not. For the moment we disable it.
-				if (in_array($InfoFieldList[0], array ('tablewithentity'))) 
+				if (in_array($InfoFieldList[0], array ('tablewithentity')))
 				{
 					$sqlwhere .= ' AND entity = ' . $conf->entity;
 				}
 				// $sql.=preg_replace('/^ AND /','',$sqlwhere);
 				// print $sql;
-				
+
 				$sql .= $sqlwhere;
 				dol_syslog(get_class($this) . '::showInputField type=chkbxlst',LOG_DEBUG);
 				$resql = $this->db->query($sql);
@@ -1143,6 +1144,9 @@ class ExtraFields
 			    $out.='Error bad setup of extrafield';
 			}
 		}
+		if (!empty($hidden)) {
+			$out='<input type="hidden" value="'.$value.'" name="'.$keysuffix.'options_'.$key.$keyprefix.'" id="'.$keysuffix.'options_'.$key.$keyprefix.'"/>';
+		}
 		/* Add comments
 		 if ($type == 'date') $out.=' (YYYY-MM-DD)';
 		elseif ($type == 'datetime') $out.=' (YYYY-MM-DD HH:MM:SS)';
@@ -1171,6 +1175,7 @@ class ExtraFields
 		$params=$this->attribute_param[$key];
 		$perms=$this->attribute_perms[$key];
 		$list=$this->attribute_list[$key];
+		$hidden=$this->attribute_hidden[$key];
 
 		$showsize=0;
 		if ($type == 'date')
@@ -1402,10 +1407,14 @@ class ExtraFields
 			$showsize=round($size);
 			if ($showsize > 48) $showsize=48;
 		}
-		
+
 		//print $type.'-'.$size;
 		$out=$value;
-		
+
+		if (!empty($hidden)) {
+			$out='';
+		}
+
 		return $out;
 	}
 
@@ -1422,7 +1431,7 @@ class ExtraFields
 		$type=$this->attribute_type[$key];
 
 		$align='';
-		
+
 		if ($type == 'date')
 		{
 			$align="center";
@@ -1451,10 +1460,10 @@ class ExtraFields
 		{
 			$align="center";
 		}
-	
+
 		return $align;
 	}
-	
+
 	/**
 	 * Return HTML string to print separator extrafield
 	 *
@@ -1534,7 +1543,7 @@ class ExtraFields
 			return 0;
 		}
 	}
-	
+
 	/**
 	 * return array_options array for object by extrafields value (using for data send by forms)
 	 *