Index: openacs-4/packages/theme-selva/www/selva-master.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/theme-selva/www/selva-master.tcl,v
diff -u -r1.11 -r1.12
--- openacs-4/packages/theme-selva/www/selva-master.tcl	26 Sep 2005 07:49:41 -0000	1.11
+++ openacs-4/packages/theme-selva/www/selva-master.tcl	29 Sep 2005 08:22:46 -0000	1.12
@@ -5,6 +5,22 @@
 # this should also allow for pages to call the dotlrn template (i.e. tabs) off
 # maybe by passing a propery in a page
 
+if {![exists_and_not_null displayed_object_id]} {
+    set displayed_object_id ""
+}
+
+if {![exists_and_not_null title]} {
+    set title ""
+}
+
+if {![exists_and_not_null context]} {
+    set context ""
+}
+
+if {![exists_and_not_null header_stuff]} {
+    set header_stuff ""
+}
+
 set dotlrn_installed_p [apm_package_installed_p dotlrn]
 
 append url [ad_url] [ad_return_url]