Fix CSS for Virtual Collection Builder
diff --git a/dev/js/src/vc/docgroup.js b/dev/js/src/vc/docgroup.js
index 5e5f010..0db4b4c 100644
--- a/dev/js/src/vc/docgroup.js
+++ b/dev/js/src/vc/docgroup.js
@@ -12,6 +12,8 @@
 
   var _validGroupOpRE = new RegExp("^(?:and|or)$");
 
+  var loc = KorAP.Locale;
+
   var docGroupClass = {
     _ldType : "docGroup",
 
diff --git a/dev/js/src/vc/operators.js b/dev/js/src/vc/operators.js
index 9b0ebd1..91f009f 100644
--- a/dev/js/src/vc/operators.js
+++ b/dev/js/src/vc/operators.js
@@ -4,8 +4,6 @@
 define(['util'], function () {
 
   var loc = KorAP.Locale;
-  loc.AND   = loc.AND   || 'and';
-  loc.OR    = loc.OR    || 'or';
   loc.DEL   = loc.DEL   || '×';