More use of list_active(), setup ajax actions that are check to be ajax

modules/statement/classes/controller/user/statement.php

@@ -27,7 +27,7 @@ class Controller_User_Statement extends Controller_TemplateDefault_User {
 			$ta[$i]['payment'] = $o;
 		}
 
-		foreach ($this->ao->invoice->where('status','!=',0)->find_all() as $o) {
+		foreach ($this->ao->invoice->list_active() as $o) {
 			$i = count($ta);
 			$ta[$i]['time'] = $o->date_orig;
 			$ta[$i]['invoice'] = $o;