gistfile1.js

// ==UserScript==
// @name       remove folha's paywall
// @namespace  http://folha.uol.com.br/
// @version    0.1
// @description  just remove folha's paywall
// @include http://*.folha*/*
// @match http://*.folha*/*
// @include http://*.blogfolha*/*
// @match http://*.blogfolha*/*
// @copyright  2012+, Me
// ==/UserScript==
var killed = false;

function killpaywall() {
    var body = document.getElementsByTagName("body")[0];
    if (body) {
        body.style.overflow = "scroll";
        window.onscroll = null;
    }
    
    var paywall = document.getElementById("paywall");
    if (paywall) {
        paywall.parentNode.removeChild(paywall);
        killed = true;
    }

    
    if (!killed) {
        setTimeout(killpaywall, 500);
    }
}

unsafeWindow.folha.refresh.now = function() {
    console.log("Kill F*cking refresh!");
}

killpaywall();