--- loncom/lonnet/perl/lonnet.pm	2011/06/06 16:48:44	1.1109
+++ loncom/lonnet/perl/lonnet.pm	2011/06/06 23:28:48	1.1111
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1109 2011/06/06 16:48:44 www Exp $
+# $Id: lonnet.pm,v 1.1111 2011/06/06 23:28:48 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2015,6 +2015,17 @@ sub currentversion {
     return &do_cache_new('resversion',$fname,$answer,600);
 }
 
+#
+# Return special version number of resource if set by override, empty otherwise
+#
+sub usedversion {
+    my $fname=shift;
+    unless ($fname) { $fname=$env{'request.uri'}; }
+    my ($urlversion)=($fname=~/\.(\d+)\.\w+$/);
+    if ($urlversion) { return $urlversion; }
+    return '';
+}
+
 # ----------------------------- Subscribe to a resource, return URL if possible
 
 sub subscribe {
@@ -9292,6 +9303,7 @@ sub rndseed {
     if (!$domain) { $domain=$wdomain; }
     if (!$username) { $username=$wusername }
     my $which=&get_rand_alg();
+
     if (defined(&getCODE())) {
 	if ($which eq '64bit5') {
 	    return &rndseed_CODE_64bit5($symb,$courseid,$domain,$username);
@@ -9328,7 +9340,6 @@ sub rndseed_32bit {
 	#&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
 	#&logthis("rndseed :$num:$symb");
 	if ($_64bit) { $num=(($num<<32)>>32); }
-        $Apache::lonhomework::results{'resource.0.rndseed'}=$num;
 	return $num;
     }
 }
@@ -9350,7 +9361,6 @@ sub rndseed_64bit {
 	#&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
 	#&logthis("rndseed :$num:$symb");
 	if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
-        $Apache::lonhomework::results{'resource.0.rndseed'}="$num1:$num2";
 	return "$num1,$num2";
     }
 }
@@ -9374,7 +9384,6 @@ sub rndseed_64bit2 {
 	#&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
 	#&logthis("rndseed :$num:$symb");
 	if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
-        $Apache::lonhomework::results{'resource.0.rndseed'}="$num1:$num2";
 	return "$num1,$num2";
     }
 }
@@ -9398,7 +9407,7 @@ sub rndseed_64bit3 {
 	#&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
 	#&logthis("rndseed :$num1:$num2:$_64bit");
 	if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
-	$Apache::lonhomework::results{'resource.0.rndseed'}="$num1:$num2";
+	
 	return "$num1:$num2";
     }
 }
@@ -9422,7 +9431,7 @@ sub rndseed_64bit4 {
 	#&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
 	#&logthis("rndseed :$num1:$num2:$_64bit");
 	if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
-	$Apache::lonhomework::results{'resource.0.rndseed'}="$num1:$num2";
+	
 	return "$num1:$num2";
     }
 }
@@ -9430,7 +9439,6 @@ sub rndseed_64bit4 {
 sub rndseed_64bit5 {
     my ($symb,$courseid,$domain,$username)=@_;
     my ($num1,$num2)=&digest("$symb,$courseid,$domain,$username");
-    $Apache::lonhomework::results{'resource.0.rndseed'}="$num1:$num2";
     return "$num1:$num2";
 }