Hello

I have a problem with one of my websites.  There is an intermittent problem when uploading a file using InsertDocument.aspx as follows (using IE6):

Line:    90
Char:   1
Error:   Object expected
Code:   0
URL:     http://......../Admin/CuteEditor/Dialogs/InsertDocument.Aspx?IsFrame=1&setting=!3wEWBAUFZW4tZ2IFAyRhMRUBGXNIy3VyaXR5OkZpbGVz

The document is an allowed format. Can anyone shed some light on this for me please?