Index: openacs-4/packages/project-manager/tcl/project-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/project-manager/tcl/project-procs.tcl,v
diff -u -r1.35 -r1.36
--- openacs-4/packages/project-manager/tcl/project-procs.tcl	8 Jun 2006 14:48:14 -0000	1.35
+++ openacs-4/packages/project-manager/tcl/project-procs.tcl	11 Aug 2006 14:55:23 -0000	1.36
@@ -2774,7 +2774,7 @@
                     set date_j [dt_ansi_to_julian_single_arg $date]
                     set today_j $date_j
 
-		    if {[string eq $hours_to_complete ""]} {
+		    if {![exists_and_not_null hours_to_complete]} {
 			set hours_to_complete 0
 		    }