--- loncom/interface/londocs.pm	2004/12/10 19:21:21	1.150
+++ loncom/interface/londocs.pm	2004/12/10 20:47:33	1.153
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.150 2004/12/10 19:21:21 albertel Exp $
+# $Id: londocs.pm,v 1.153 2004/12/10 20:47:33 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1152,9 +1152,13 @@ END
 	} elsif ($url=~m|^/ext/|) { 
 	    $url='/adm/wrapper'.$url;
 	}
-        unless ($container eq 'page') {
+	$url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb);
+	if ($container eq 'page') {
+	    my $symb=$ENV{'form.pagesymb'};
+	    	    
+	    $url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb);
-        }
+	}
     }
     my $parameterset=' ';
     if ($isfolder) {
@@ -1176,8 +1180,19 @@ END
         my $folderpath=$ENV{'form.folderpath'};
         if ($folderpath) { $pagepath = $folderpath.'&' };
         $pagepath.=$pagearg.'&'.$pagename;
-        $url.='pagepath='.&Apache::lonnet::escape($pagepath);
+	my $symb=$ENV{'form.pagesymb'};
+	if (!$symb) {
+	    my $path='uploaded/'.
+		$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.'/'.
+		$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.'/';
+	    $symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
+					       $residx,
+					       $path.$pagearg.'.page');
+	}
+	$url.='pagepath='.&Apache::lonnet::escape($pagepath).
+	    '&pagesymb='.&Apache::lonnet::escape($symb);
     }
+    &Apache::lonnet::logthis(" link \n$url");
     $line.='<td bgcolor="#FFFFBB"><a href="'.$url.'"><img src="'.$icon.
 	'" border="0"></a></td>'.
         "<td bgcolor='#FFFFBB'><a href='$url'>$title</a></td>";
@@ -1210,33 +1225,24 @@ ENDPARMS
 sub tiehash {
     my ($mode)=@_;
     $hashtied=0;
-    &Apache::lonnet::logthis(" tiehash1 -- $hashtied ");
     if ($ENV{'request.course.fn'}) {
-	&Apache::lonnet::logthis(" tiehash2 -- $hashtied ");
 	if ($mode eq 'write') {
-	    &Apache::lonnet::logthis(" tiehash3 -- $hashtied ");
 	    if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db",
 		    &GDBM_WRCREAT(),0640)) {
                 $hashtied=2;
-		&Apache::lonnet::logthis(" tiehash4 -- $hashtied ");
 	    }
 	} else {
-	    &Apache::lonnet::logthis(" tiehash5 -- $hashtied ");
 	    if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db",
 		    &GDBM_READER(),0640)) {
                 $hashtied=1;
-		&Apache::lonnet::logthis(" tiehash6 -- $hashtied ");
 	    }
 	}
     }    
-    &Apache::lonnet::logthis(" tiehash7 -- $hashtied ");
 }
 
 sub untiehash {
-    &Apache::lonnet::logthis(" untiehash1 -- $hashtied ");
     if ($hashtied) { untie %hash; }
     $hashtied=0;
-    &Apache::lonnet::logthis(" untiehash2 -- $hashtied ");
 }
 
 # --------------------------------------------------------------- check on this
@@ -1592,21 +1598,14 @@ ENDHEADERS
 
 sub mark_hash_old {
     my $retie_hash=0;
-    &Apache::lonnet::logthis(" markold1 -- $hashtied $retie_hash ");
     if ($hashtied) {
 	$retie_hash=1;
-	&Apache::lonnet::logthis(" markold2 -- $hashtied $retie_hash ");
 	&untiehash();
-	&Apache::lonnet::logthis(" markold3 -- $hashtied $retie_hash ");
     }
     &tiehash('write');
-    &Apache::lonnet::logthis(" markold4 -- $hashtied $retie_hash ");
     $hash{'old'}=1;
-    &Apache::lonnet::logthis(" markold5 -- $hashtied $retie_hash ");    
     &untiehash();
-    &Apache::lonnet::logthis(" markold6 -- $hashtied $retie_hash ");
     if ($retie_hash) { &tiehash(); }
-    &Apache::lonnet::logthis(" markold7 -- $hashtied $retie_hash ");
 }
 
 sub is_hash_old {
@@ -1692,7 +1691,7 @@ sub handler {
     my $containertag;
     my $uploadtag;
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
-					    ['folderpath','pagepath']);
+					    ['folderpath','pagepath','pagesymb']);
     if ($ENV{'form.folderpath'}) {
 	my (@folderpath)=split('&',$ENV{'form.folderpath'});
 	$ENV{'form.foldername'}=&Apache::lonnet::unescape(pop(@folderpath));