diff --git a/application/migrations/011_reihungstest.php b/application/migrations/011_reihungstest.php
index 939153128..059a770f2 100644
--- a/application/migrations/011_reihungstest.php
+++ b/application/migrations/011_reihungstest.php
@@ -24,6 +24,7 @@ class Migration_Reihungstest extends MigrationLib
 		
 		// Add arbeitsplaetze to public.tbl_ort
 		$columns = array(
+				"arbeitsplaetze" => array("type" => "integer", "null" => true)
 		);
 		$this->addColumn("public", "tbl_ort", $columns);
 
@@ -135,6 +136,7 @@ class Migration_Reihungstest extends MigrationLib
 			),
 			"uid" => array(
 				"type" => "varchar(32)",
+				"null" => true
 			)
 		);
 		$this->createTable("public", "tbl_rt_ort", $fields);
diff --git a/skin/images/checkbox_toggle.png b/skin/images/checkbox_toggle.png
new file mode 100644
index 000000000..62d85c73c
Binary files /dev/null and b/skin/images/checkbox_toggle.png differ
diff --git a/skin/images/checkbox_uncheck.png b/skin/images/checkbox_uncheck.png
new file mode 100644
index 000000000..89c9d1326
Binary files /dev/null and b/skin/images/checkbox_uncheck.png differ