Index: openacs-4/packages/new-portal/www/layouts/simple3.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/new-portal/www/layouts/simple3.tcl,v
diff -u -r1.4 -r1.5
--- openacs-4/packages/new-portal/www/layouts/simple3.tcl	9 Aug 2002 20:56:30 -0000	1.4
+++ openacs-4/packages/new-portal/www/layouts/simple3.tcl	1 Nov 2013 21:45:33 -0000	1.5
@@ -31,15 +31,15 @@
     return_url:onevalue
 }
 
-if {![exists_and_not_null action_string]} {
+if {(![info exists action_string] || $action_string eq "")} {
     set action_string ""
 }
 
-if {![exists_and_not_null theme_id]} {
+if {(![info exists theme_id] || $theme_id eq "")} {
     set theme_id ""
 }
 
-if {![exists_and_not_null return_url]} {
+if {(![info exists return_url] || $return_url eq "")} {
     set return_url ""
 }