Add showempty into combobox

htdocs/core/ajax/contacts.php

@@ -32,6 +32,7 @@ require '../../main.inc.php';
 $id			= GETPOST('id','int');
 $action		= GETPOST('action','alpha');
 $htmlname	= GETPOST('htmlname','alpha');
+$showempty	= GETPOST('showempty','int');
 
 /*
  * View
@@ -47,8 +48,9 @@ if (! empty($id) && ! empty($action) && ! empty($htmlname))
 	$form = new Form($db);
 	
 	$return=array();
+	if (empty($showempty)) $showempty=0;
 	
-	$return['value']	= $form->selectcontacts($id,'','contactid',0,'','',0,'',true);
+	$return['value']	= $form->selectcontacts($id,'','contactid',$showempty,'','',0,'',true);
 	$return['num']		= $form->num;
 	$return['error']	= $form->error;
 	

htdocs/core/lib/ajax.lib.php

@@ -348,11 +348,13 @@ function ajax_combobox($htmlname, $events=array(), $minLengthToAutocomplete=0)
 			var method = obj.method;
 			var url = obj.url;
 			var htmlname = obj.htmlname;
+			var showempty = obj.showempty;
     		$.getJSON(url,
 					{
 						action: method,
 						id: id,
-						htmlname: htmlname
+						htmlname: htmlname,
+						showempty: showempty
 					},
 					function(response) {
 						$.each(obj.params, function(key,action) {