--- loncom/interface/spreadsheet/lonspreadsheet.pm	2003/09/16 15:41:16	1.24
+++ loncom/interface/spreadsheet/lonspreadsheet.pm	2003/09/30 15:40:09	1.26
@@ -1,5 +1,5 @@
 #
-# $Id: lonspreadsheet.pm,v 1.24 2003/09/16 15:41:16 matthew Exp $
+# $Id: lonspreadsheet.pm,v 1.26 2003/09/30 15:40:09 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -62,6 +62,8 @@ use Apache::assesscalc();
 use Apache::Constants qw(:common :http);
 use Apache::lonnet;
 use Apache::lonhtmlcommon;
+use Apache::lonlocal;
+use Apache::loncoursedata();
 use HTML::Entities();
 
 ##
@@ -208,7 +210,7 @@ sub handler {
     # HTML Header
     #
     if ($r->header_only) {
-        $r->content_type('text/html');
+        &Apache::loncommon::content_type($r,'text/html');
         $r->send_http_header;
         return OK;
     }
@@ -297,7 +299,7 @@ sub handler {
     #
     # Open page, try to prevent browser cache.
     #
-    $r->content_type('text/html');
+    &Apache::loncommon::content_type($r,'text/html');
     &Apache::loncommon::no_cache($r);
     $r->send_http_header;
 
@@ -373,6 +375,9 @@ ENDSCRIPT
     ##
     ## Take care of "backdoor" spreadsheet expiration / recalc stuff
     if ($allowed_to_edit && exists($ENV{'form.recalc'})) {
+        if (exists($ENV{'form.recalc'})) {
+            &Apache::loncoursedata::delete_caches($ENV{'requres.course.id'});
+        }
         if ($ENV{'form.recalc'} eq 'ilovewastingtime') {
             &Apache::lonnet::logthis('ilovewastingtime');
             # expire ALL spreadsheets
@@ -456,7 +461,8 @@ END
     #
     $r->print("<table><tr>");
     if ($sheettype eq 'classcalc') {
-        $r->print('<td><input type="submit" value="Generate Spreadsheet" />'.
+        $r->print('<td><input type="submit" value="'.
+		  &mt('Generate Spreadsheet').'" />'.
                   '</td>');
     }
     if ($allowed_to_view) {