Index: /CKTester/testswarm.js
===================================================================
--- /CKTester/testswarm.js	(revision 4350)
+++ /CKTester/testswarm.js	(revision 4351)
@@ -9,7 +9,8 @@
 	} catch(e){}
 
-	var url, index;
-	if( ( index = window.location.search.indexOf( "swarmURL=" ) ) != -1 )
-		url = decodeURIComponent( url.slice( index + 9 ) );
+	var search = window.location.search,
+		url, index;
+	if( ( index = search.indexOf( "swarmURL=" ) ) != -1 )
+		url = decodeURIComponent( search.slice( index + 9 ) );
 
 	if ( !DEBUG && (!url || url.indexOf("http") !== 0) )