Switch between a GitHub Repository and their gh-pages.

bookmarklet-github-to-gitio.js

javascript:(function() {  var s,r,c;  var l = window.location;  if(l.origin.indexOf('github.io') !== -1) {    r = /(?:http[s]*\:\/\/)*(.*?)\.(?=[^\/]*\..{2,5})/i;    s = window.location.origin.match(r)[1];    window.location.href='https://github.com/' + s + l.pathname;  } else if(l.origin.indexOf('github.com') !== -1) {    s = window.location.pathname.split('/')[1];    c = window.location.pathname.split('/')[2];    window.location.href='http://' + s + '.github.io/' + c;  }})();