Index: openacs-4/packages/tasks/lib/tasks.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/tasks/lib/tasks.tcl,v
diff -u -r1.12 -r1.13
--- openacs-4/packages/tasks/lib/tasks.tcl	18 Oct 2005 15:32:25 -0000	1.12
+++ openacs-4/packages/tasks/lib/tasks.tcl	19 Oct 2005 09:10:47 -0000	1.13
@@ -15,6 +15,11 @@
 #        or also the employess tasks (2), default to 2.
 # show_filters_p Boolean to specify if you want to show the filters menu or not. Default to 0
 
+foreach optional_param {party_id query search_id tasks_interval page page_size page_flush_p} {
+    if {![info exists $optional_param]} {
+	set $optional_param {}
+    }
+}
 
 set tasks_url "/tasks/"
 
@@ -108,7 +113,6 @@
 set add_url [export_vars -base "${tasks_url}task" {return_url orderby status_id {party_id $contact_id}}]
 set bulk_actions [list "[_ tasks.Reassign]" "reassign-task" "[_ tasks.Reassign_selected]"]
 
-
 template::list::create \
     -name tasks \
     -multirow tasks \