--- loncom/interface/londocs.pm	2012/11/08 20:51:40	1.503
+++ loncom/interface/londocs.pm	2012/11/14 00:18:53	1.506
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.503 2012/11/08 20:51:40 raeburn Exp $
+# $Id: londocs.pm,v 1.506 2012/11/14 00:18:53 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1828,6 +1828,18 @@ sub editor {
 		if (defined($item)) {
 		    my ($name,$url,$residx)=
 			map {&unescape($_)} split(/\=/,$item);
+                    if ($url=~ m{^\Q/uploaded/$coursedom/$coursenum/\E(default|supplemental)_new\.(sequence|page)$}) {
+                        my ($suffix,$errortxt,$locknotfreed) = 
+                            &newmap_suffix($1,$2,$coursedom,$coursenum);
+                        if ($locknotfreed) {
+                            $r->print($locknotfreed);
+                        }
+                        if ($suffix) {
+                            $url =~ s/_new\./_$suffix./; 
+                        } else {
+                            return $errortxt;
+                        }
+                    }
 		    push(@imports, [$name, $url, $residx]);
 		}
 	    }
@@ -1949,7 +1961,7 @@ sub editor {
                     &Apache::lonhtmlcommon::add_item_funclist(
                         '<a href="/adm/coursedocs?command=direct&forcesupplement=1&'.
                         'supppath='.&HTML::Entities::encode($env{'form.folderpath'}).'">'.
-                        '<img src="/res/adm/pages/docs.png" alt="'.$funcname.'" class="LC_icon" />'.
+                        '<img src="/res/adm/pages/docs-22x22.png" alt="'.$funcname.'" class="LC_icon" />'.
                         '<span class="LC_menubuttons_inline_text">'.$funcname.'</span></a>').
                           &Apache::lonhtmlcommon::end_funclist()));
         }
@@ -2151,9 +2163,13 @@ sub entryline {
         $esc_path=&escape($env{'form.pagepath'});
 	$path = &HTML::Entities::encode($env{'form.pagepath'},'<>&"');
     }
+    my $isexternal;
     if (!$supplementalflag && $residx) {
         my $currurl = $url;
         $currurl =~ s{^http(|s)(&colon;|:)//}{/adm/wrapper/ext/};
+        if ($currurl =~ m{^/adm/wrapper/ext/}) {
+            $isexternal = 1;
+        }
         my $path = 'uploaded/'.
                    $env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
                    $env{'course.'.$env{'request.course.id'}.'.num'}.'/';
@@ -2269,8 +2285,8 @@ sub entryline {
 			    |/aboutme$
 			    |/navmaps$
 			    |/bulletinboard$
-			    |\.html$
-			    |^/adm/wrapper/ext)}x)) {
+			    |\.html$)}x)
+             || $isexternal) {
 	    $skip_confirm = 1;
 	}
 
@@ -2537,6 +2553,30 @@ ENDPARMS
     return $line;
 }
 
+sub newmap_suffix {
+    my ($area,$container,$coursedom,$coursenum) = @_;
+    my ($prefix,$idtype,$errtext,$locknotfreed);
+    $prefix = 'docs';
+    if ($area eq 'supplemental') {
+        $prefix = 'supp';
+    }
+    $prefix .= $container;
+    $idtype = 'concat';
+    my ($suffix,$freedlock,$error) =
+        &Apache::lonnet::get_timebased_id($prefix,'num','uploadedmaps',
+                                          $coursedom,$coursenum);
+    if (!$suffix) {
+        $errtext = &mt('Failed to acquire a unique timestamp-based suffix for the new folder/page.');
+        if ($error) {
+            $errtext .= '<br />'.$error;
+        }
+    }
+    if ($freedlock ne 'ok') {
+        $locknotfreed = '<div class="LC_error">'.&mt('There was a problem removing a lockfile. This will prevent creation of additional folders or composite pages in this course.  Please contact the domain coordinator for your LON-CAPA domain.').'</div>';
+    }
+    return ($suffix,$errtext,$locknotfreed);
+}
+
 =pod
 
 =item tiehash()
@@ -3736,10 +3776,8 @@ HIDDENFORM
        } else {
            #$postexec='self.close();';
        }
-       my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
-                     '.sequence';
-       my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
-                     '.page';
+       my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_new.sequence';
+       my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_new.page';
 	my $container='sequence';
 	if ($env{'form.pagepath'}) {
 	    $container='page';
@@ -3965,8 +4003,7 @@ unless ($env{'form.pagepath'}) {
        $env{'form.pagepath'} = '';
        if ($allowed) {
 	   my $folderseq=
-	       '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
-	       '.sequence';
+	       '/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_new.sequence';
 
 	   my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');