diff --git a/htdocs/public/demo/index.php b/htdocs/public/demo/index.php
index c253cc9b016..f0ed15fbfb5 100644
--- a/htdocs/public/demo/index.php
+++ b/htdocs/public/demo/index.php
@@ -258,5 +258,23 @@ print '</form>';
 
 $db->close();
 
+// Google Adsense (ex: demo mode)
+if (! empty($conf->global->MAIN_GOOGLE_AD_CLIENT) && ! empty($conf->global->MAIN_GOOGLE_AD_SLOT))
+{
+	print '<div align="center">'."\n";
+	print '<script type="text/javascript"><!--'."\n";
+	print 'google_ad_client = "'.$conf->global->MAIN_GOOGLE_AD_CLIENT.'";'."\n";
+	print '/* '.$conf->global->MAIN_GOOGLE_AD_WIDTH.'x'.$conf->global->MAIN_GOOGLE_AD_HEIGHT.', '.$conf->global->MAIN_GOOGLE_AD_NAME.' */'."\n";
+	print 'google_ad_slot = "'.$conf->global->MAIN_GOOGLE_AD_SLOT.'";'."\n";
+	print 'google_ad_width = '.$conf->global->MAIN_GOOGLE_AD_WIDTH.';'."\n";
+	print 'google_ad_height = '.$conf->global->MAIN_GOOGLE_AD_HEIGHT.';'."\n";
+	print '//-->'."\n";
+	print '</script>'."\n";
+	print '<script type="text/javascript"'."\n";
+	print 'src="http://pagead2.googlesyndication.com/pagead/show_ads.js">'."\n";
+	print '</script>'."\n";
+	print '</div>'."\n";
+}
+
 llxFooter('$Date$ - $Revision$');
 ?>