--- loncom/interface/statistics/lonproblemstatistics.pm	2005/03/08 17:40:39	1.100
+++ loncom/interface/statistics/lonproblemstatistics.pm	2005/03/10 17:33:57	1.101
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonproblemstatistics.pm,v 1.100 2005/03/08 17:40:39 matthew Exp $
+# $Id: lonproblemstatistics.pm,v 1.101 2005/03/10 17:33:57 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1264,30 +1264,13 @@ sub Excel_output {
     &compute_all_statistics($r);
     my $c = $r->connection;
     return if ($c->aborted());
+    #
+    my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits();
     ##
     ## Create the excel workbook
-    my $filename = '/prtspool/'.
-        $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
-        time.'_'.rand(1000000000).'.xls';
-    my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits();
-    #
-    # Create sheet
-    my $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
-    #
-    # Check for errors
-    if (! defined($excel_workbook)) {
-        $r->log_error("Error creating excel spreadsheet $filename: $!");
-        $r->print(&mt("Problems creating new Excel file.  ".
-                  "This error has been logged.  ".
-                  "Please alert your LON-CAPA administrator."));
-        return 0;
-    }
-    #
-    # The excel spreadsheet stores temporary data in files, then put them
-    # together.  If needed we should be able to disable this (memory only).
-    # The temporary directory must be specified before calling 'addworksheet'.
-    # File::Temp is used to determine the temporary directory.
-    $excel_workbook->set_tempdir($Apache::lonnet::tmpdir);
+    my ($excel_workbook,$filename,$format) =
+        &Apache::loncommon::create_workbook($r);
+    return if (! defined($excel_workbook));
     #
     # Add a worksheet
     my $sheetname = $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
@@ -1296,8 +1279,6 @@ sub Excel_output {
     }
     my $excel_sheet = $excel_workbook->addworksheet(
         &Apache::loncommon::clean_excel_name($sheetname));
-    #
-    my $format = &Apache::loncommon::define_excel_formats($excel_workbook);
     ##
     ## Begin creating excel sheet
     ##