diff --git a/threadr/boards/thread.php b/threadr/boards/thread.php
index 32aff67..b08414e 100644
--- a/threadr/boards/thread.php
+++ b/threadr/boards/thread.php
@@ -1,9 +1,14 @@
 <?php
-	//todo: fix automatic log out when opening "Boards"
 session_start();
 %NO_CHEAP_SESSION_STEALING%
 $navbar="boards";
-$id = $_GET["id"]
+function _GET($par, $parType = '') {
+  if($parType == '') {
+    $parType = gettype($par);
+  }
+  $return = filter_input(INPUT_GET, $par, FILTER_SANITIZE_NUMBER_INT);
+}
+$id = _GET('id')
 ?>
 <!DOCTYPE html>
 <html>
