script.user.js

// ==UserScript==
// @name            TVLinks Helper
// @namespace       #Cletus
// @description     Assists the download of shows from TVLinks. Provides download links and highlights compatible hosts.
// @copyright       2011+, Ryan Chatham (http://userscripts.org/users/cletus)
// @license         Creative Commons; http://creativecommons.org/licenses/by-nc-sa/3.0/
// @icon            http://www.gravatar.com/avatar.php?gravatar_id=6875e83aa6c563790cb2da914aaba8b3&r=PG&s=48&default=identicon
//
// @grant           GM_addStyle
//
// @include         http://www.tv-links.eu/*/video-results/*
// @include         http://www.vidxden.com/*
// @include         http://www.vidbux.com/*
//
// @version         1.0.0
// ==/UserScript==

var supported = [
    'vidxden.com',
	'vidbux.com'
];

var details = {
	'www.vidxden.com': {
		selector: 'param[name="src"], #player[flashvars]',
		func: function (elements) {
			var element = elements[0];
			if (element.nodeName == 'PARAM') {
				showDownloadLink(element.value);
			}
			else if (element.nodeName == 'EMBED') {
				var val = /file=(.*?)&/.exec(element.getAttribute('flashvars'));
				showDownloadLink(val[1]);
			}
		}
	},
	'www.vidbux.com': {
		selector: '#player[flashvars]',
		func: function (elements) {
			var element = elements[0];
			if (element.nodeName == 'PARAM') {
				showDownloadLink(element.value);
			}
			else if (element.nodeName == 'EMBED') {
				var val = /file=(.*?)&/.exec(element.getAttribute('flashvars'));
				showDownloadLink(val[1]);
			}
		}
	},
	'www.tv-links.eu': {
		selector: '#table_search a.list',
		func: function (elements) {
			GM_addStyle(''+
				'.highlighted {'+
				'	background: #c4cfff !important;'+
				'	border: 1px solid #00c !important;'+
				'}'+
			'');
			for (var i = 0; i < elements.length; i++) {
				var element = elements[i].querySelector('span.dark span.bold');
				
				// Change out old onclick for a traditional href which goes direct to video.
				var source = /frameLink\('(.*?)'/.exec(elements[i].getAttribute('onclick'));
				if (!source) {
					continue;
				}
				source = source[1];
				elements[i].onclick = '';
				elements[i].href = 'http://www.tv-links.eu/gateway.php?data=' + source;
				
				// Highlight if there is support.
				if (supported.indexOf(element.textContent) >= 0) {
					elements[i].classList.add('highlighted');
				}
			}
		}
	}
};

var host = location.host;
if (details[host]) {
	details[host].func(document.querySelectorAll(details[host].selector));
}

function showDownloadLink(url) {
	if (url) {
		GM_addStyle(''+
			'#downloadLink {'+
			'	position: absolute;'+
			'	top: 0;'+
			'	width: 100%;'+
			'	padding: 10px;'+
			'	background: #c4cfff;'+
			'	border-bottom: 1px solid #00c;'+
			'}'+
		'');
		
		var container = document.createElement('div');
		container.id = 'downloadLink';
		container.innerHTML = '<strong>Download Link:</strong> <a href="' + url + '">' + url + '</a>';
		document.body.appendChild(container);
	}
}