Just as the subject title says... where's the TinyMCE / rich text editor?

Firefox's Error Console has 3 Errors:

* Error: obj.attachEvent is not a function
Source File: http://www.geekzone.co.nz/tinymce/jscripts/tiny_mce/tiny_mce_gzip.aspx?theme=advanced&language=en&plugins=emotions%2Cpreview%2Cinlinepopups&lang=en&index=0
Line: 162

* Error: window.event has no properties
Source File: http://www.geekzone.co.nz/tinymce/jscripts/tiny_mce/tiny_mce_gzip.aspx?theme=advanced&language=en&plugins=emotions%2Cpreview%2Cinlinepopups&lang=en&index=0
Line: 1

* Error: window.event has no properties
Source File: http://www.geekzone.co.nz/tinymce/jscripts/tiny_mce/tiny_mce_gzip.aspx?theme=advanced&language=en&plugins=emotions%2Cpreview%2Cinlinepopups&lang=en&index=0
Line: 1