Index: theme/theme.inc
===================================================================
--- theme/theme.inc	(revision 2363)
+++ theme/theme.inc	(working copy)
@@ -137,8 +137,7 @@
   // we set up a running counter, $dom_id, to issue a "unique" identifier for
   // each view. This identifier is written to both Drupal.settings and the DIV
   // wrapper.
-  static $dom_id = 1;
-  $vars['dom_id'] = !empty($view->dom_id) ? $view->dom_id : $dom_id++;
+  $vars['dom_id'] = !empty($view->dom_id) ? $view->dom_id : $view->current_display;
   $vars['classes_array'][] = 'view-dom-id-' . $vars['dom_id'];
 
   // If using AJAX, send identifying data about this view.
Index: includes/ajax.inc
===================================================================
--- includes/ajax.inc	(revision 2363)
+++ includes/ajax.inc	(working copy)
@@ -19,7 +19,7 @@
     $display_id = $_REQUEST['view_display_id'];
     $args = isset($_REQUEST['view_args']) && $_REQUEST['view_args'] !== '' ? explode('/', $_REQUEST['view_args']) : array();
     $path = isset($_REQUEST['view_path']) ? $_REQUEST['view_path'] : NULL;
-    $dom_id = isset($_REQUEST['view_dom_id']) ? intval($_REQUEST['view_dom_id']) : NULL;
+    $dom_id = isset($_REQUEST['view_dom_id']) ? $_REQUEST['view_dom_id'] : NULL;
     $pager_element = isset($_REQUEST['pager_element']) ? intval($_REQUEST['pager_element']) : NULL;
     views_include('ajax');
     $object = new stdClass();