From 2f9eccec8b6858bd98d7c81317c677b9b5a2059e Mon Sep 17 00:00:00 2001
From: wei <>
Date: Fri, 30 Mar 2007 05:08:09 +0000
Subject: fix #564

---
 demos/quickstart/protected/controls/Comments/comments.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'demos/quickstart/protected/controls/Comments')

diff --git a/demos/quickstart/protected/controls/Comments/comments.js b/demos/quickstart/protected/controls/Comments/comments.js
index 46dd0a16..307a7ba2 100644
--- a/demos/quickstart/protected/controls/Comments/comments.js
+++ b/demos/quickstart/protected/controls/Comments/comments.js
@@ -95,9 +95,9 @@ function show_comments(block)
 
 function show_block(block)
 {
-	while(block && block.className.indexOf("block-content") < 0)
+	while(block && block.className && block.className.indexOf("block-content") < 0)
 		block = block.parentNode;
-	if(block && block.className.indexOf("block-content") >= 0)
+	if(block && block.className && block.className.indexOf("block-content") >= 0)
 	{
 		block.addClassName('block-hover');
 		var tag = $('tag-'+block.id);
@@ -108,9 +108,9 @@ function show_block(block)
 
 function hide_block(block)
 {
-	while(block && block.className.indexOf("block-hover") < 0)
+	while(block && block.className && block.className.indexOf("block-hover") < 0)
 		block = block.parentNode;
-	if(block && block.className.indexOf("block-hover") >= 0)
+	if(block && block.className && block.className.indexOf("block-hover") >= 0)
 	{
 		block.removeClassName('block-hover');
 		var tag = $('tag-'+block.id);
-- 
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