diff --git a/addcomment.php b/addcomment.php
index 9bdcb7b..44e25ff 100644
--- a/addcomment.php
+++ b/addcomment.php
@@ -14,16 +14,10 @@
 // application environment
 include("path.php");
 require(BASE."include/incl.php");
+require(BASE."include/filter.php");
 require(BASE."include/application.php");
 require(BASE."include/mail.php");
 
-$aClean = array(); //array of filtered user input
-
-$aClean['iVersionId'] = makeSafe($_REQUEST['iVersionId']);
-$aClean['iThread'] = makeSafe($_REQUEST['iThread']);
-$aClean['sBody'] = makeSafe($_REQUEST['sBody']);
-$aClean['sSubject'] = makeSafe($_REQUEST['sSubject']);
-
 // you must be logged in to submit comments
 if(!$_SESSION['current']->isLoggedIn())
 {
@@ -32,14 +26,6 @@ if(!$_SESSION['current']->isLoggedIn())
   exit;
 }
 
-if( !is_numeric($aClean['iVersionId']) )
-    util_show_error_page_and_exit('Internal Database Access Error');
-
-if(!is_numeric($aClean['iThread']))
-{
-  $aClean['iThread'] = 0;
-}
-
 // the user submitted his comment
 if(!empty($aClean['sBody']))
 {