fixed RulerControl.clr()

1 files changed, 1 insertions, 1 deletions

diff --git a/map.js b/map.js
index 36b206e..4847a0d 100644
--- a/map.js
+++ b/map.js
@@ -190,8 +190,8 @@ RulerControl.prototype.initialize = function(map) {
   function clr(){
     for(var o in overlays["ruler"]) {
       map.removeOverlay(overlays["ruler"][o]);
-      overlays["ruler"][o] = null;      
     }
+    overlays["ruler"] = [];
     distBox.style.visibility = "hidden";
     btnText.data = "Entfernung messen";
   }