all_gyotaku.user.js

// ==UserScript==
// @name           AllGyotaku
// @namespace      http://d.hatena.ne.jp/javascripter/
// @include        http*
// ==/UserScript==

var url = location.href;
var form = document.createElement('form');
form.method = 'post';
form.action = 'http://s02.megalodon.jp/' + url;
var input = document.createElement('input');
input.type = 'hidden';
input.name = 'do';
input.value = 'decide';
var btnopen = document.createElement('input');
btnopen.id = 'btnopen';
btnopen.type = 'submit';
btnopen.value = '利用規約に同意して魚拓を取得する';
form.appendChild(input);
form.appendChild(btnopen);
var iframe = document.createElement('iframe');
iframe.style.display = 'none';
document.body.appendChild(iframe);
iframe.contentDocument.documentElement.appendChild(form);
form.submit();