Bookmarklet which loads external script
javascript:void((function(D) {
var s = D.createElement('script');
s.src = "http://where.script/is";
D.body.appendChild(s);
})(document))
javascript:void((function(D) {
var s = D.createElement('script');
s.src = "http://where.script/is";
D.body.appendChild(s);
})(document))