--- loncom/interface/lonhtmlcommon.pm 2003/03/07 19:09:11 1.16
+++ loncom/interface/lonhtmlcommon.pm 2003/03/10 20:25:00 1.18
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# a pile of common html routines
#
-# $Id: lonhtmlcommon.pm,v 1.16 2003/03/07 19:09:11 albertel Exp $
+# $Id: lonhtmlcommon.pm,v 1.18 2003/03/10 20:25:00 matthew Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -249,6 +249,40 @@ sub get_date_from_form {
##############################################
##############################################
+=pod
+
+=item &javascript_nothing()
+
+Return an appropriate null for the users browser. This is used
+as the first arguement for window.open calls when you want a blank
+window that you can then write to.
+
+=cut
+
+##############################################
+##############################################
+sub javascript_nothing {
+ # mozilla and other browsers work with "''", but IE on mac does not.
+ my $nothing = "''";
+ my $user_browser;
+ my $user_os;
+ $user_browser = $ENV{'browser.type'} if (exists($ENV{'browser.type'}));
+ $user_os = $ENV{'browser.os'} if (exists($ENV{'browser.os'}));
+ if (! defined($user_browser) || ! defined($user_os)) {
+ (undef,$user_browser,undef,undef,undef,$user_os) =
+ &Apache::loncommon::decode_user_agent();
+ }
+ if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
+ $nothing = "'javascript:void(0);'";
+ }
+ return $nothing;
+}
+
+##############################################
+##############################################
+
+
+
sub AscendOrderOptions {
my ($order, $page, $formName)=@_;