From 375b0912ff22333eaa3daae829f2012b08bfb3d1 Mon Sep 17 00:00:00 2001
From: Silvio <silvio@socioambiental.org>
Date: Wed, 25 Nov 2009 15:54:55 -0200
Subject: Trying to fix #32

---
 jquery_drawer.module | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'jquery_drawer.module')

diff --git a/jquery_drawer.module b/jquery_drawer.module
index 6e573e2..336c497 100644
--- a/jquery_drawer.module
+++ b/jquery_drawer.module
@@ -165,8 +165,10 @@ function jquery_drawer_page($tid = NULL) {
     $tree  = taxonomy_node_tree_build($nodes, $terms);
 
     // format output
-    foreach ($tree as $term) {
-      $output .= taxonomy_node_tree_list($term, 'jquery_drawer', 'hidden', 'node');
+    if (is_array($tree) && $tree != NULL) {    
+      foreach ($tree as $term) {
+        $output .= taxonomy_node_tree_list($term, 'jquery_drawer', 'hidden', 'node');
+      }
     }
   }
 
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