Bookmarklet replacing oldschoold YouTube Flash embeds with the iframe-based HTML5 embeds

fix-youtube-embeds.js

// Replaces obsolete Flash-based embeds of YouTube video
// with new embeds using HTML5.
//
// Useful, if you don't have Flash. 
(function () {

	var i,
		videoId,
		frame;
		embeds = document.querySelectorAll("embed[src^='http://www.youtube.com/v/']");

	for (i = 0; i < embeds.length; i++) {
		try {
			videoId = (/youtube.com\/v\/([a-zA-Z0-9]+)/).exec(embeds[i].src)[1];	
			frame = document.createElement("iframe");
			frame.width = 640;
			frame.height = 385;
			frame.style.border = 0;
			frame.src = "http://www.youtube.com/embed/" + videoId;
			embeds[i].parentNode.replaceChild(frame, embeds[i]);
		} catch (e) {}
	}
}());

fix-youtube-embeds.min.js

(function(){var i,videoId,frame;embeds=document.querySelectorAll("embed[src^='http://www.youtube.com/v/']");for(i=0;i<embeds.length;i++){try{videoId=(/youtube.com\/v\/([a-zA-Z0-9]+)/).exec(embeds[i].src)[1];frame=document.createElement("iframe");frame.width=640;frame.height=385;frame.style.border=0;frame.src="http://www.youtube.com/embed/"+videoId;embeds[i].parentNode.replaceChild(frame,embeds[i]);}catch(e){}}}());

LICENSE

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2012 Marek Stepien <marek.stepien@gmail.com>

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

  0. You just DO WHAT THE FUCK YOU WANT TO.

Go to http://jsfiddle.net/marcoos/RTRVj/embedded/result/ if you just want to install this bookmarklet.