iFolder downloading helper

By mgorny — Last update Oct 9, 2008 — Installed 3,002 times. Daily Installs: 8, 11, 10, 15, 7, 7, 5, 8, 9, 17, 15, 13, 6, 10, 22, 11, 11, 7, 4, 11, 14, 13, 5, 8, 8, 5, 5, 8, 7, 9, 10, 15

There are 1 previous version of this script. 

// ==UserScript==
// @name	iFolder downloading helper
// @author	mgorny
// @namespace	http://mgorny.jogger.pl/
// @version	0.1
// @description	When iFolder download page is opened, automagically navigates browser through adverts directly to CAPTCHA.
// @include	http://ifolder.ru/*
// @include	http://*.ifolder.ru/*
// @include	http://ints.ifolder.ru/ints/*?ints_code=
// @include	http://ints.ifolder.ru/ints/frame/*
// @ujs:download	http://userscripts.org/scripts/source/30525.user.js
// ==/UserScript==

function checkTimer() {
	var descrp = document.getElementById('theDescrp');

	if (descrp) {
		var a = descrp.getElementsByTagName('a')[0];

		if (a)
			document.location.href = a.href;
	}
}

function firstMatching(rx) {
	var links = document.getElementsByTagName('a');
	var a, i;

	for (i = 0; a = links[i]; i++) {
		if (a.href.match(rx)) {
			return a;
		}
	}
}

var captchaCounter;

function reloadCAPTCHA(ev) {
	ev.target.src = ev.target.src + '&' + captchaCounter++;
}

var url = document.location.href;

if (url.match(/ints\.ifolder\.ru\/ints\/frame/)) {
	var f, i;

	if (window != top)
		top.location.href = document.location.href;
	else if (document.getElementById('theTimer')) {
		window.setInterval('checkTimer();', 500);
	} else if ((f = document.getElementById('Form1')) && (i = f.getElementsByTagName('img')[0])) {
		i.addEventListener('click', reloadCAPTCHA, false);
	}
} else if (url.match(/ints\.ifolder\.ru\/ints\/\?ifolder\.ru\/\d+\?ints_code=/)) {
	document.location.href = firstMatching(/s.agava.ru\/cgi\/g.cgi/).href;
} else if (url.match(/ifolder\.ru\/\d+/)) {
	var a;
	if ((a = firstMatching(/stg\d+\.ifolder\.ru\/download\//))) {
		a.style.fontSize	= '300%';
		a.style.color		= '#b50000';
		a.addEventListener('click', unEmph, false);
	} else if ((a = firstMatching(/ints\.ifolder\.ru\/ints\/\?(.+\.)?ifolder\.ru\/\d+\?ints_code=/)))
		document.location.href = a.href;
	else if ((a = document.getElementById('action_url')))
		document.location.href = a.value;
	else if ((a = firstMatching(/s\.agava\.ru\/cgi\/g\.cgi\?.*ints\.ifolder\.ru/)))
		document.location.href = a.href;
}