That webpage is coded incorrectly. There are three errors that the webmaster(s) need to fix:
Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727)
Timestamp: Fri, 1 Jan 2010 15:06:33 UTC

Message: 'support.opacity' is null or not an object
Line: 2
Char: 58
Code: 0
URI: http://www.tutorialsforu.com/wp-cont...n.js?ver=2.7.1

Message: Invalid argument.
Line: 14
Char: 8190
Code: 0
URI: http://www.tutorialsforu.com/wp-cont...ext/ext-all.js

Message: '$.fn.colorbox.settings' is null or not an object
Line: 36
Char: 3
Code: 0
URI: http://www.tutorialsforu.com/