--- loncom/interface/Attic/lonspreadsheet.pm	2001/01/02 22:35:30	1.30
+++ loncom/interface/Attic/lonspreadsheet.pm	2001/01/02 23:27:11	1.32
@@ -1191,12 +1191,13 @@ sub loadcourse {
 	   my $row=$1;
            unless (($f{$_}=~/^\!/)
 
-|| ($row>5))
+|| ($row>200))
 
  {
 	      my @studentdata=&exportsheet(&getuname($safeeval),
                                            &getudom($safeeval),
                                            'studentcalc');
+              undef %userrdatas; 
               my $index=0;
               map {
                   if ($studentdata[$index]) {
@@ -1252,15 +1253,15 @@ sub loadassessment {
 # ----------------------------- returnhash now has all stores for this resource
 
 # ---------------------------- initialize coursedata and userdata for this user
-    %courseopt=();
-    %useropt=();
+    undef %courseopt;
+    undef %useropt;
 
     my $userprefix=$uname.'_'.$udom.'_';
 
     unless ($uhome eq 'no_host') { 
 # -------------------------------------------------------------- Get coursedata
       unless
-        ((time-$courserdatas{$cid.'.last_cache'})<120) {
+        ((time-$courserdatas{$cid.'.last_cache'})<240) {
          my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.
               ':resourcedata',$chome);
          if ($reply!~/^error\:/) {
@@ -1275,7 +1276,7 @@ sub loadassessment {
       } split(/\&/,$courserdatas{$ENV{'request.course.id'}});
 # --------------------------------------------------- Get userdata (if present)
       unless
-        ((time-$userrdatas{$uname.'___'.$udom.'.last_cache'})<120) {
+        ((time-$userrdatas{$uname.'___'.$udom.'.last_cache'})<240) {
          my $reply=
        &Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);
          if ($reply!~/^error\:/) {
@@ -1385,7 +1386,9 @@ sub exportsheet {
     &updatesheet($thissheet);
     &loadrows($thissheet);
     &calcsheet($thissheet);
-    return &exportdata($thissheet);
+    my @returnthis=&exportdata($thissheet);
+    undef $thissheet;
+    return @returnthis;
 }
 
 # ================================================================ Main handler