Automaticaly use proxfree for youtube

proxfree.youtube.js

// ==UserScript==
// @name        proxfree youtube
// @namespace   proxfree
// @include     http://www.youtube.com/*
// @include     https://www.youtube.com/*
// @include     *proxfree*
// @version     1
// ==/UserScript==
//
if (/.*proxfree.*/.exec(window.location.href)) {
    if (/.*orig.*/.exec(window.location.href)) {
        var url = window.location.href.split('orig=')[1];
        document.getElementsByTagName('input')[0].setAttribute('value', url);
        document.getElementsByTagName('form')[0].submit();
    } else {
        document.getElementById('pfproxy').setAttribute('style', 'display:none;');
    }
} else if (/.*youtube.*/.exec(window.location.href)) {
    window.location.href = 'http://www.proxfree.com/?orig=' + window.location.href.split('&')[0];
}