There are 2 previous versions of this script.
// ==UserScript==
// @name MediaFire Sacar iframe
// @version 2.0
// @namespace zack0zack@gmail.com
// @description Sacar las Propagandas
// @include http://www.mediafire.com/download.php?*
// @include http://www.mediafire.com/*
// @copyright zack0zack@gmail.com
// ==/UserScript==
window.addEventListener("load",function() {
//window.setTimeout(function(){
var adSidebar = document.getElementById('catfish_div');
if (adSidebar) {adSidebar.parentNode.removeChild(adSidebar);}
var adSidebar = document.getElementById('remove_ads_button1');
if (adSidebar) {adSidebar.parentNode.removeChild(adSidebar);}
var adSidebar = document.getElementById('remove_ads_button2');
if (adSidebar) {adSidebar.parentNode.removeChild(adSidebar);}
var adSidebar = document.getElementById('remove_ads_button3');
if (adSidebar) {adSidebar.parentNode.removeChild(adSidebar);}
var adSidebar = document.getElementById('remove_ads_button4');
if (adSidebar) {adSidebar.parentNode.removeChild(adSidebar);}
var adSidebar = document.getElementById('remove_ads_button5');
if (adSidebar) {adSidebar.parentNode.removeChild(adSidebar);}
var i, v = document.getElementsByTagName('iframe');
for(i= v.length-1;i >= 1; i-- ) {
v[i].parentNode.removeChild( v[i] );
}
var i, v = document.getElementsByTagName('div');
for(i= v.length-1;i >= 1; i-- ) {
if(v[i].className == 'top'){
v[i].parentNode.removeChild( v[i] );
}
if(v[i].className == 'right'){
v[i].parentNode.removeChild( v[i] );
}
}
// }, 3000);
},true)