Index: theme/theme.inc
===================================================================
--- theme/theme.inc	(.../6.x-2.11)	(revision 2385)
+++ theme/theme.inc	(.../6.x-2.11-patched1)	(revision 2385)
@@ -36,6 +36,47 @@
 }
 
 /**
+ * Generates a unique dom id for the view.
+ * @param $view
+ *   view object
+ * @return
+ *   string id
+ */
+function _views_generate_dom_id($view) {
+  //If dom_id property is already set, use it as identifier
+  if (!empty($view->dom_id)) { 
+    return $view->dom_id;
+  }
+  //It allows clients to set the dom_id per request as they may bypass the views_ajax() function
+  //with a custom menu call back and the invokation of views_embed_view(). It is needed when
+  //the same display is rendered mulitple times on a common HTML page by separate requests. 
+  //Clients are supposed to look up the view_dom_id entry the Drupal.settings.views.AjaxViews
+  //array and calculate a unique id by themselves.
+  elseif (isset($_REQUEST['view_dom_id'])) { 
+    return $_REQUEST['view_dom_id'];
+  }
+  //It provides a unique identifier per request. It is needed when the same view display is rendered
+  //multiple times on a common HTML page within the same request. The ID is determined by the view's 
+  //name, display name and an incremential counter. It also prevents ID clashing if different view 
+  //displays are rendered by separate requests. This wouldn't be avoided by an incremental counter only.
+  else {
+    static $dom_ids = array(); //store dom ids within one request
+    $counter = 0;
+    do {
+      //dom id, e. g. view-display-1
+      $unique_dom_id = form_clean_id($view->name . '-' . $view->current_display . '-' . ++$counter);
+      //check if dom ids already exists, otherwise increment counter with next loop iteration
+      if (!in_array($unique_dom_id, $dom_ids)) { 
+      	$dom_ids[] = $unique_dom_id;
+      	return $unique_dom_id;
+      }
+    } while ($counter <= count($dom_ids));
+    //shouldn't happen, but just in case assign a unique id with timestamp
+    return form_clean_id($view->name . '-' . $view->current_display . '-' . time());
+  }
+}
+
+/**
  * Preprocess the primary theme implementation for a view.
  */
 function template_preprocess_views_view(&$vars) {
@@ -137,8 +178,7 @@
   // 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++;
+  $vars['dom_id'] = _views_generate_dom_id($view);
   $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	(.../6.x-2.11)	(revision 2385)
+++ includes/ajax.inc	(.../6.x-2.11-patched1)	(revision 2385)
@@ -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();