If it helps, this is the output of the error console in IE:
Webpage error details
User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; .NET CLR 1.1.4322)
Timestamp: Wed, 1 Jun 2011 14:31:14 UTC
Message: Object doesn’t support this property or method
Line: 4821
Char: 5
Code: 0
URI: https://www.encounters.co.za/wp-includes/js/prototype.js?ver=1.6.1
Message: Object doesn’t support this property or method
Line: 25
Char: 264
Code: 0
URI: https://www.encounters.co.za/wp-includes/js/jquery/jquery.js?ver=1.4.4
Message: Object doesn’t support this property or method
Line: 3
Char: 5
Code: 0
URI: https://www.encounters.co.za/wp-content/plugins/posttabs/postTabs.js?ver=3.1.2
Message: Object doesn’t support this property or method
Line: 4621
Char: 7
Code: 0
URI: https://www.encounters.co.za/wp-includes/js/prototype.js?ver=1.6.1
Message: ‘style’ is null or not an object
Line: 33
Char: 6
Code: 0
URI: https://www.encounters.co.za/wp-content/plugins/lightbox-2/lightbox.js?ver=1.8
