--- loncom/homework/response.pm	2004/11/06 21:30:35	1.105.2.1
+++ loncom/homework/response.pm	2004/10/21 06:33:37	1.108
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # various response type definitons response definition
 #
-# $Id: response.pm,v 1.105.2.1 2004/11/06 21:30:35 albertel Exp $
+# $Id: response.pm,v 1.108 2004/10/21 06:33:37 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -136,17 +136,12 @@ sub setrandomnumber {
 	my ($num1,$num2)=split(/\Q$char\E/,$rndseed);
 	$num1+=$rndmod;
 	$num2+=$rndmod;
-	if($Apache::lonnet::_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
 	$rndseed=$num1.$char.$num2;
     } else {
 	$rndseed+=$rndmod;
-	if($Apache::lonnet::_64bit) {
-	    use integer;
-	    $rndseed=(($rndseed<<32)>>32);
-	}
     }
-    &Apache::lonxml::debug("randseed $rndseed");
     &Apache::lonnet::setup_random_from_rndseed($rndseed);
+    &Apache::lonxml::debug("randseed $rndseed");
     return '';
 }
 
@@ -273,10 +268,11 @@ sub handle_previous {
     if ($$previous{'used'} && ($$previous{'award'} eq $ad) ) {
 	if ($$previous{'last'}) {
 	    push(@Apache::inputtags::previous,'PREVIOUSLY_LAST');
-	} else {
+	    push(@Apache::inputtags::previous_version,$$previous{'version'});
+	} elsif ($Apache::lonhomework::type ne 'survey') {
 	    push(@Apache::inputtags::previous,'PREVIOUSLY_USED');
+	    push(@Apache::inputtags::previous_version,$$previous{'version'});
 	}
-	push(@Apache::inputtags::previous_version,$$previous{'version'});
     }
 }
 
@@ -512,6 +508,7 @@ sub showallfoils {
 	    return 1;
 	}
     }
+    if ($Apache::lonhomework::type eq 'survey') { return 1; }
     return 0;
 }
 
@@ -651,7 +648,7 @@ sub analyze_store_foilgroup {
 sub check_if_computed {
     my ($token,$parstack,$safeeval,$name)=@_;
     my $value = &Apache::lonxml::get_param($name,$parstack,$safeeval);
-    if ($value ne $token->[2]{$name}) {
+    if (ref($token->[2]) eq 'HASH' && $value ne $token->[2]{$name}) {
 	my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
 	$Apache::lonhomework::analyze{"$part_id.answercomputed"} = 1;
     }