From taking a look at the HTML, it seems that one of the three Javascript files you are including, does not exist at the path it is looking for it.
Perhaps that file contains the code for the "edButton" that the second file tries to use:
Missing file:
http://motorcycling-news.com/wp-admin/quicktags.js
File with "new edButton" in:
http://motorcycling-news.com/wp-cont..._quicktags.php