diff -urp includes/calendar_plugin_display_attachment.inc new_includes/calendar_plugin_display_attachment.inc
--- includes/calendar_plugin_display_attachment.inc	2009-03-17 14:03:36.000000000 -0400
+++ new_includes/calendar_plugin_display_attachment.inc	2009-11-10 13:31:53.000000000 -0500
@@ -161,10 +161,10 @@ class calendar_plugin_display_attachment
    */
   function options(&$display) {
     parent::options($display);
-    $display->display_options['inherit_argments'] = TRUE;
-    $display->display_options['inherit_filters'] = TRUE;
-    $display->display_options['attachment_position'] = 'after';
-    $display->display_options['calendar_type'] = $this->calendar_type();
+    $display['display_options']['inherit_argments'] = TRUE;
+    $display['display_options']['inherit_filters'] = TRUE;
+    $display['display_options']['attachment_position'] = 'after';
+    $display['display_options']['calendar_type'] = $this->calendar_type();
   }  
 
   /**
diff -urp includes/calendar_plugin_display_block.inc new_includes/calendar_plugin_display_block.inc
--- includes/calendar_plugin_display_block.inc	2008-12-06 09:56:15.000000000 -0500
+++ new_includes/calendar_plugin_display_block.inc	2009-11-10 13:31:53.000000000 -0500
@@ -47,15 +47,15 @@ class calendar_plugin_display_block exte
 
   function options(&$display) {
     parent::options($display);
-    $display->display_options['displays'] = array();
-    $display->display_options['style_plugin'] = 'calendar_nav';
-    $display->display_options['items_per_page'] = 0;
-    $display->display_options['row_plugin'] = '';
-    $display->display_options['defaults']['style_plugin'] = FALSE;
-    $display->display_options['defaults']['style_options'] = FALSE;
-    $display->display_options['defaults']['items_per_page'] = FALSE;
-    $display->display_options['defaults']['row_plugin'] = FALSE;
-    $display->display_options['defaults']['row_options'] = FALSE;
+    $display['display_options']['displays'] = array();
+    $display['display_options']['style_plugin'] = 'calendar_nav';
+    $display['display_options']['items_per_page'] = 0;
+    $display['display_options']['row_plugin'] = '';
+    $display['display_options']['defaults']['style_plugin'] = FALSE;
+    $display['display_options']['defaults']['style_options'] = FALSE;
+    $display['display_options']['defaults']['items_per_page'] = FALSE;
+    $display['display_options']['defaults']['row_plugin'] = FALSE;
+    $display['display_options']['defaults']['row_options'] = FALSE;
   } 
   
   function option_definition () {
diff -urp includes/calendar_plugin_display_page.inc new_includes/calendar_plugin_display_page.inc
--- includes/calendar_plugin_display_page.inc	2009-11-10 13:21:09.000000000 -0500
+++ new_includes/calendar_plugin_display_page.inc	2009-11-10 13:31:53.000000000 -0500
@@ -44,15 +44,15 @@ class calendar_plugin_display_page exten
 
   function options(&$display) {
     parent::options($display);
-    $display->display_options['displays'] = array();
-    $display->display_options['style_plugin'] = 'calendar_nav';
-    $display->display_options['items_per_page'] = 0;
-    $display->display_options['row_plugin'] = '';
-    $display->display_options['defaults']['style_plugin'] = FALSE;
-    $display->display_options['defaults']['style_options'] = FALSE;
-    $display->display_options['defaults']['row_plugin'] = FALSE;
-    $display->display_options['defaults']['row_options'] = FALSE;
-    $display->display_options['defaults']['items_per_page'] = FALSE;
+    $display['display_options']['displays'] = array();
+    $display['display_options']['style_plugin'] = 'calendar_nav';
+    $display['display_options']['items_per_page'] = 0;
+    $display['display_options']['row_plugin'] = '';
+    $display['display_options']['defaults']['style_plugin'] = FALSE;
+    $display['display_options']['defaults']['style_options'] = FALSE;
+    $display['display_options']['defaults']['row_plugin'] = FALSE;
+    $display['display_options']['defaults']['row_options'] = FALSE;
+    $display['display_options']['defaults']['items_per_page'] = FALSE;
   } 
   
   function option_definition () {