Added new attachement extension

Now you can attach .xlsx files directly into a post without having to screenshot or upload to outside sites and link in. Attachment button (looks like a paperclip next to the smilies) will allow files up to 30kb to be attached and downloaded directly in the post.

 

I appreciate all the effort you put into this site, Skwis.

thanks and http://1.bp.blogspot.com/-2oSkp9CAMCg/T4YUiR9gbLI/AAAAAAAAA7o/p04iOW9jtvw/s120/harold-and-khumar-thumbs-up.gif

 

I was so proud when I figured out how to do it