So I am working on this blog and I need it to change photos when you click the photo you are currently viewing. I can't figure out exaclty how to do this. I know a little about coding but I am not experienced at all. Any help will be appreciated.

This is the site: http://myraphoto.tumblr.com/

Here is the current code:

https://docs.google.com/document/d/1...it?usp=sharing

Thanks!