Unable to edit and update page, Javascript error

I am trying to update which has been already posted but am unable to do it and it gives the following error “Not found Sorry, but you are looking for something that isn’t there”.

The code in this page is http://pastebin.com/JbaJakKh

when I have gone through the log I found the following errors

“Refused to execute a JavaScript script. Source code of script found within request.
post.php:120Uncaught TypeError: Cannot read property ‘style’ of null.”

This report extract the posting based on the categories selected. I am trying to update the code in order to modify the sequence in which the posting can be extracted, say option 6, 7 ,2 , 5, 4, 1, 3. How to do that??

Please suggest.

Dipak