? gmap.patch
Index: gmap.module
===================================================================
RCS file: /cvs/drupal/contributions/modules/gmap/Attic/gmap.module,v
retrieving revision 1.51.2.73
diff -u -p -r1.51.2.73 gmap.module
--- gmap.module	1 May 2007 18:13:41 -0000	1.51.2.73
+++ gmap.module	2 May 2007 16:16:48 -0000
@@ -128,7 +128,7 @@ function _gmap_doheader(){
     drupal_add_js($gmap_path. '/thirdparty/Clusterer2.js');
   }
   drupal_add_js($gmap_path. '/js/'.$mm.'_marker.js');
-  $mms = variable_get('gmap_markermanager',0);
+  $mms = variable_get('gmap_markermanager', array());
   if (empty($mms[$mm])) {
     $mms[$mm] = array();
   }