buttons don't work

[sordit]

The buttons to insert an image, hyperlink or to format the text (all those on the top when posting) don't work here.
Checked it out using Firefox 3.5 and Internet Explorer 8 which also gave me the following error:

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; FDM)
Timestamp: Fri, 17 Jul 2009 10:07:27 UTC


Message: 'is_ie5up' is undefined
Line: 18
Char: 2
Code: 0
URI: http://johnromero.com/smf/Themes/default/scripts/editor.js