It took a lot of messing around and I was finally able to put something together that worked in most browsers. Sorry IE people, this one won’t work for you, though if anyone figures out a fix for IE let me know. Then the function will work for all major browsers.
Just add this between your page’s head tags, and change the copyright notice to whatever you want.
To test it out, copy something from the paragraph below and paste it into your favorite text editor.