Index: openacs-4/packages/dotlrn-ecommerce/lib/cal-view.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/dotlrn-ecommerce/lib/cal-view.tcl,v
diff -u -r1.3 -r1.4
--- openacs-4/packages/dotlrn-ecommerce/lib/cal-view.tcl	19 Jun 2005 06:05:06 -0000	1.3
+++ openacs-4/packages/dotlrn-ecommerce/lib/cal-view.tcl	4 Jul 2005 14:28:32 -0000	1.4
@@ -188,6 +188,7 @@
 set _instructors [dotlrn_community::list_users $instructor_community_id]
 if { [llength $_instructors] == 0 } {
     set _instructors 0
+    set instructors_filter ""
 } else {
     foreach _instructor $_instructors {
 	lappend __instructors [ns_set get $_instructor user_id]