Index: v3/Generic.php
===================================================================
--- v3/Generic.php	(revision 36734)
+++ v3/Generic.php	(working copy)
@@ -86,3 +86,17 @@
 function civicrm_api3_generic_replace($apiRequest) {
   return _civicrm_api3_generic_replace($apiRequest['entity'], $apiRequest['params']);
 }
+
+
+function civicrm_api3_generic_getdefaults($apiRequest) {
+  if($api['action'] == $apiRequest){
+    return;
+  }
+  $defaults = array();
+  $result = civicrm_api($apiRequest['entity'],'getfields', $apiRequest['params']);
+  foreach ($result['values'] as $field => $values){
+    if (CRM_Utils_Array::value('api.required',$values)){
+      $defaults[$field] =$values['api.required'];
+     }
+  }
+}
\ No newline at end of file
Index: v3/Group.php
===================================================================
--- v3/Group.php	(revision 36734)
+++ v3/Group.php	(working copy)
@@ -72,6 +72,10 @@

 }

+function _civicrm_api3_group_create_spec($params){
+    $params['is_active']['api.default'] = 1;
+}
+
 /**
  * Returns array of groups  matching a set of one or more group properties
  *