--- loncom/interface/lonnavmaps.pm	2002/07/08 20:27:10	1.38
+++ loncom/interface/lonnavmaps.pm	2002/07/25 16:55:53	1.39
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavmaps.pm,v 1.38 2002/07/08 20:27:10 www Exp $
+# $Id: lonnavmaps.pm,v 1.39 2002/07/25 16:55:53 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -716,7 +716,8 @@ sub handler {
 			$r->print($add.$indentstr);
 			if ($rid) {
 			    $r->print('<a href="'.$hash{'src_'.$linkid}.
-                                      '?symb='.&Apache::lonnet::escape($symb)
+                                      (($hash{'src_'.$linkid}=~/\?/)?'&':'?').
+                                      'symb='.&Apache::lonnet::escape($symb)
                                        .'">'.
 				      $hwk.$hash{'title_'.$rid}.$hwke.'</a>');
 			}