--- loncom/xml/lonxml.pm	2002/03/18 21:51:34	1.158
+++ loncom/xml/lonxml.pm	2002/03/21 20:51:10	1.159
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # XML Parser Module 
 #
-# $Id: lonxml.pm,v 1.158 2002/03/18 21:51:34 matthew Exp $
+# $Id: lonxml.pm,v 1.159 2002/03/21 20:51:10 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -325,6 +325,8 @@ sub registerurl {
     }
     if ($Apache::lonxml::registered && !$forcereg) { return ''; }
     $Apache::lonxml::registered=1;
+    my $nothing='';
+    if ($ENV{'browser.type'} eq 'explorer') { $nothing='javascript:void(0);'; }
     if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
         my $hwkadd='';
         if ($ENV{'REQUEST_URI'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
@@ -356,7 +358,7 @@ ENDPARM
 // BEGIN LON-CAPA Internal
 
     function LONCAPAreg() {
-	  menu=window.open("","LONCAPAmenu","",false);
+	  menu=window.open("$nothing","LONCAPAmenu","",false);
           menu.clearTimeout(menu.menucltim);
 	  menu.currentURL=window.location.pathname;
           menu.currentStale=0;
@@ -383,7 +385,7 @@ ENDPARM
     }
 
     function LONCAPAstale() {
-	  menu=window.open("","LONCAPAmenu","",false);
+	  menu=window.open("$nothing","LONCAPAmenu","",false);
           menu.currentStale=1;
           menu.switchbutton
              (3,1,'reload.gif','return','location','go(currentURL)');
@@ -408,7 +410,7 @@ ENDREGTHIS
 // BEGIN LON-CAPA Internal
 
     function LONCAPAreg() {
-	  menu=window.open("","LONCAPAmenu","",false);
+	  menu=window.open("$nothing","LONCAPAmenu","",false);
           menu.currentStale=1;
           menu.clearbut(2,1);
           menu.clearbut(2,3);