diff --git a/CREDITS b/CREDITS
new file mode 100644
index 00000000..54b47984
--- /dev/null
+++ b/CREDITS
@@ -0,0 +1,2 @@
+* Gesior.pl (2007 - 2008)
+* Slawkens (2009 - 2017)
diff --git a/images/items/empty.gif b/images/items/empty.gif
new file mode 100644
index 00000000..a8b52148
Binary files /dev/null and b/images/items/empty.gif differ
diff --git a/system/hooks.php b/system/hooks.php
index 6770ac56..015215e1 100644
--- a/system/hooks.php
+++ b/system/hooks.php
@@ -46,7 +46,7 @@ class Hook
 			$ret = $tmp($params);
 		}*/
 		
-		global $db, $config, $template_path, $ots;
+		global $db, $config, $template_path, $ots, $content;
 		if(file_exists(BASE . $this->_file)) {
 			require(BASE . $this->_file);
 		}