// ==UserScript==
// @name 4chan Block Fix
// @namespace b4k
// @version 1.0.0
// @match *://boards.4chan.org/*
// @match *://sys.4chan.org/*
// @run-at document-start
// @grant unsafeWindow
// ==/UserScript==

(function () {
	var window;
	var process;
	var interval;
	var domloaded;

	document.documentElement
		.classList.add("js-enabled");

	window =
		unsafeWindow;

	process = function () {
		var scripts;
		var domevent;

		scripts =
			document.querySelectorAll("script");

		scripts.forEach(
			function (script) {
				if (!script.src && script.innerHTML) {
					if (script.dataset.ran === undefined) {
						script.dataset.ran = "";

						if (script.innerHTML.match(/(style_gr|fourcat|recaptc|pass_ena)/)) {
							window.eval(script.innerHTML);
						}
					}
				}
			}
		);

		if (domloaded) {
			if (window.initStyleSheet) {
				if (!window.activeStyleSheet) {
					window.initStyleSheet();
				}
			}

			if (window.Main) {
				if (window.Main.now && !window.Main.type) {
					window.Main.init();
				}
			}

			domevent = document.createEvent("Event");
			domevent.initEvent("DOMContentLoaded", true, true);
			document.dispatchEvent(domevent);
		}
	};

	domloaded = false;

	process();

	interval =
		setInterval(
			function () {
				process();

				if (domloaded) {
					clearInterval(interval);
				}
			},

			( 3 )
		);

	document.addEventListener(
		"DOMContentLoaded",

		function (event) {
			domloaded = true;
		}
	);
})();