WeTube 2.0 

javascript: (function() {
if (! (/http:\/\/www\.youtube\.com\/watch\?v=.*/.test(location))) {
alert("必須在YouTube 影片頁。"); 
return false; 
}
content.innerHTML = movie_player.parentElement.innerHTML; 
document.getElementById('movie_player').style.marginLeft = "25%"; 
__ffYoutube3.innerHTML = ""; 
footer.innerHTML = "<div><a id='wetube' href='http://zh.wikipedia.org/zh-tw/陳士駿' target='_blank'>感謝YouTube 創始人陳士駿</a></div>"; 
document.getElementById('footer').style.textAlign = "center"; 
document.getElementById('footer').style.fontFamily = "微軟正黑體"; 
document.getElementById('footer').style.fontSize = "14px"; 
document.getElementById('footer').style.letterSpacing = "1pt"; 
})()