Roll back last commit. I just realized it isn't actually needed.

js/gmap.js

@@ -38,7 +38,6 @@ Drupal.gmap = new function() {
 
   this.setup = function() {
     var obj = this;
-    var hls;
 
     var initcallback = function(mapid) {
       return (function() {
@@ -72,8 +71,7 @@ Drupal.gmap = new function() {
 
       if (_handlers[control]) {
         for (var i=0; i<_handlers[control].length; i++) {
-          hls = {};
-          _handlers[control][i].call(_maps[mapid], obj, hls);
+          _handlers[control][i].call(_maps[mapid], obj);
         }
       }
       else {