JSLint run.

js/gmarkermanager_marker.js

 /* $Id$ */
 
 /**
+ * @file
  * GMap Markers
  * Google GMarkerManager API version
  */
 
+/*global Drupal, GMarker, GMarkerManager */
+
 // Replace to override marker creation
-Drupal.gmap.factory.marker = function(loc,opts) {
-  return new GMarker(loc,opts);
+Drupal.gmap.factory.marker = function (loc, opts) {
+  return new GMarker(loc, opts);
 };
 
-Drupal.gmap.addHandler('gmap', function(elem) {
+Drupal.gmap.addHandler('gmap', function (elem) {
   var obj = this;
 
-  obj.bind('init', function() {
+  obj.bind('init', function () {
     // Set up the markermanager.
     obj.mm = new GMarkerManager(obj.map, Drupal.settings.gmap_markermanager);
   });
 
-  obj.bind('addmarker',function(marker) {
+  obj.bind('addmarker', function (marker) {
     var minzoom = Drupal.settings.gmap_markermanager.markerMinZoom;
     var maxzoom = Drupal.settings.gmap_markermanager.markerMaxZoom;
-    if (marker.minzoom) { minzoom = marker.minzoom; }
-    if (marker.maxzoom) { maxzoom = marker.maxzoom; }
+    if (marker.minzoom) {
+      minzoom = marker.minzoom;
+    }
+    if (marker.maxzoom) {
+      maxzoom = marker.maxzoom;
+    }
     if (maxzoom > 0) {
       obj.mm.addMarker(marker.marker, minzoom, maxzoom);
     }
@@ -32,11 +39,11 @@ Drupal.gmap.addHandler('gmap', function(elem) {
     obj.mm.refresh();
   });
 
-  obj.bind('delmarker',function(marker) {
+  obj.bind('delmarker', function (marker) {
     // @@@ This is NOT AVAILABLE in this version.
   });
 
-  obj.bind('clearmarkers',function() {
+  obj.bind('clearmarkers', function () {
     // @@@ This is NOT AVAILABLE in this version.
   });
 });