--- gigamenu.module	2011-01-10 20:54:03.000000000 -0800
+++ gigamenuNew.module	2011-01-17 02:15:23.000000000 -0800
@@ -153,6 +153,7 @@ function theme_gigamenu_menu($output, $o
  *
  * @ingroup themeable
  */
-function theme_gigamenu_menu_tree($tree) {
-  return '<ul class="gigamenu menu">' . $tree . '</ul>';
+function theme_gigamenu_menu_tree($tree, $level) {
+  if($level==1) $style=' style="display:none;"';
+  return '<ul class="gigamenu menu level-'.$level.'"'.$style.'>' . $tree . '</ul>';
 }