--- loncom/interface/lonhtmlcommon.pm	2010/06/09 14:55:22	1.275
+++ loncom/interface/lonhtmlcommon.pm	2010/06/10 09:09:59	1.277
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common html routines
 #
-# $Id: lonhtmlcommon.pm,v 1.275 2010/06/09 14:55:22 bisitz Exp $
+# $Id: lonhtmlcommon.pm,v 1.277 2010/06/10 09:09:59 bisitz Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -927,7 +927,7 @@ Returns: none
 
 =item Increment_PrgWin
 
-Increment the count of items completed for the progress window by 1.  
+Increment the count of items completed for the progress window by $step or 1 if no step is provided.
 
 Inputs:
 
@@ -940,6 +940,8 @@ Inputs:
 =item $extraInfo A description of the items being iterated over.  Typically
 'student'.
 
+=item $step (optional) counter step. Will be set to default 1 if ommited.
+
 =back
 
 Returns: none
@@ -1050,7 +1052,7 @@ sub Update_PrgWin {
 # increment progress state
 sub Increment_PrgWin {
     my ($r,$prog_state,$extraInfo,$step)=@_;
-    if ($step !~ /^\d+$/) {
+    if ( ($step == 0) || ($step !~ /^\d+(\.\d+)*$/) ) {
         $step = 1; # default
     }
     $$prog_state{'done'} += $step;