Google Redirect bookmarklet and keyword target per http://brett-zamir.me/wiki/Google-Redirect

redirect.html

<script>
 var url = window.location.href.match(/[?&]url=([^&]*)(?=&|$)/);
 url = url && url[1];
 url = decodeURIComponent(url).match(/[?&]url=([^&]*)(?=&|$)/);
 url = url && url[1];
 window.location = decodeURIComponent(url);
</script>

redirect.js

var url = window.location.href.match(/[?&]url=([^&]*)(?=&|$)/);
url = url && url[1];
window.location = decodeURIComponent(url);

//i.e.: javascript:(function()%7Bvar%20url%20%3D%20window.location.href.match(%2F%5B%3F%26%5Durl%3D(%5B%5E%26%5D*)(%3F%3D%26%7C%24)%2F)%3Burl%20%3D%20url%20%26%26%20url%5B1%5D%3Bwindow.location%20%3D%20decodeURIComponent(url)%7D)()
// courtesy: http://mrcoles.com/bookmarklet/