Index: lib/Foswiki/Plugins/JQueryPlugin.pm
===================================================================
--- lib/Foswiki/Plugins/JQueryPlugin.pm	(revision 6641)
+++ lib/Foswiki/Plugins/JQueryPlugin.pm	(working copy)
@@ -14,6 +14,7 @@
 #
 package Foswiki::Plugins::JQueryPlugin;
 use strict;
+use warnings;
 
 =begin TML
 
@@ -44,6 +45,20 @@
 
 sub initPlugin {
   my( $topic, $web, $user ) = @_;
+ 
+  # BAD SMELL: This code, which provides a fake addToZone() should be 
+  # removed, gone, eradicated by March 31 2010, by which time a consensus
+  # should be reached on http://foswiki.org/Development/ImprovePageLoadTime
+  #
+  # Instead, addToZone() should either be in core, or JQueryPlugin should make
+  # up its own wrapper to call addToZone() vs addToHEAD().
+  #
+  # If there is no addToZONE as provided by ZonePlugin or the core, wrap
+  # addToHEAD to do it instead.
+  if (not exists &Foswiki::Func::addToZone) {
+    *Foswiki::Func::addToZone = \&Foswiki::Plugins::JQueryPlugin::_fakeaddToZone;
+    Foswiki::Func::registerTagHandler('ADDTOZONE', \&_fakeADDTOZONE );
+  }
 
   # jquery.foswiki 
   Foswiki::Func::registerTagHandler('JQTHEME', \&handleJQueryTheme );
@@ -79,8 +94,62 @@
   return 1;
 }
 
+##############################################################################
 =begin TML
 
+---++ _fakeAddToZone($zone, $tag, $text, $requires)
+
+A wrapper to addToHEAD(), in case the real addToZone() is missing.
+
+=cut
+sub _fakeaddToZone {
+    my ($zone, $tag, $text, $requires) = @_;
+
+    Foswiki::Func::addToHEAD($tag, $text, $requires);
+
+    return;
+}
+
+##############################################################################
+=begin TML
+
+---++ _fakeADDTOZONE
+This is used to register a fake ADDTOZONE macro. It's a wrapper to our fake 
+addToZone() method, which in turn is a wrapper to addToHEAD, so zones are
+ignored (everything is added to head).
+
+Copied from ZonePlugin.pm
+
+=cut
+sub _fakeADDTOZONE {
+  my ($session, $params, $theTopic, $theWeb) = @_;
+
+  my $zones = $params->{_DEFAULT} || $params->{zone} || 'head';
+  my $tag = $params->{tag} || '';
+  my $topic = $params->{topic} || '';
+  my $section = $params->{section} || '';
+  my $requires = $params->{requires} || '';;
+  my $text = $params->{text} || '';
+  my $web = $theWeb;
+
+  if ($topic) {
+    ($web, $topic) = Foswiki::Func::normalizeWebTopicName($web, $topic);
+    $text = '%INCLUDE{"' . $web . '.' . $topic . '"';
+    $text .= ' section="' . $section . '"' if $section;
+    $text .= ' warn="off"}%';
+  }
+
+  foreach my $zone (split(/\s*,\s*/, $zones)) {
+    _fakeaddToZone($zone, $tag, $text, $requires);
+  }
+
+  return '';
+}
+
+
+
+=begin TML
+
 finish up the plugins container
 
 SMELL: I'd prefer a proper finishHandler, alas it does not exist
@@ -89,6 +158,8 @@
 
 sub modifyHeaderHandler {
   Foswiki::Plugins::JQueryPlugin::Plugins::finish();
+
+  return;
 }
 
 =begin TML
Index: lib/Foswiki/Plugins/JQueryPlugin/DEPENDENCIES
===================================================================
--- lib/Foswiki/Plugins/JQueryPlugin/DEPENDENCIES	(revision 6641)
+++ lib/Foswiki/Plugins/JQueryPlugin/DEPENDENCIES	(working copy)
@@ -1,2 +1,2 @@
-Foswiki::Plugins::ZonePlugin,>=1.0,perl,Required.
+Foswiki::Plugins::ZonePlugin,>=1.0,perl,optional.