// ==UserScript==
// @name          Youtube Prevent Autoplay with alternate player
// @namespace     userscripts.org
// @version       0.1
// @description   Prevents videos from playing automatically by replacing the default youtube.com player with a player that doesn't autostart playback
// @include        http://www.youtube.com/watch*
// @include        http://youtube.com/watch*
// ==/UserScript==


var vidID;

var dUrl = document.URL

if( dUrl.indexOf('&') > -1 ){

  vidID = dUrl.slice( dUrl.indexOf('watch?v=')+8, dUrl.indexOf('&') );

}
else{

  vidID = dUrl.slice( dUrl.indexOf('watch?v=')+8);

}

var http_request = false;

function makeRequest(url) {

   http_request = new XMLHttpRequest();

   http_request.onreadystatechange = getStuff;
   http_request.open('GET', url, true);
   http_request.send(null);

}

function getStuff() {

   if (http_request.readyState == 4) {
	   
		var vidUrl = http_request.getResponseHeader('Location');
		console.log(http_request.getAllResponseHeaders());
		console.log(vidUrl);

		document.getElementById('playerDiv').innerHTML = '<embed width="300" height="250" '+
		'flashvars="config={ playList: [ { url: \'http://greasemonkey-users.googlegroups.com/web/greasemonkey_32.png\', '+
		'overlayId: \'play\' }, { url: \''+vidUrl+'\', '+
		'suggestedClipsInfoUrl: \'http://flowplayer.org/video/suggestions.php?clip=4\' } ], autoBuffering: '+
		'true, initialScale: \'scale\', useNativeFullScreen: true, showPlayListButtons: true }"  '+
		'allowfullscreen="true" allowscriptaccess="always" quality="high" bgcolor="#ffffff" name="FlowPlayer" '+
		'id="FlowPlayer" src="http://flowplayer.org/video/FlowPlayer.swf" type="application/x-shockwave-flash"/>';			   
	   
   }

} 


var fv = document.getElementById('movie_player').getAttribute('flashvars');

var srcWithT = 'http://youtube.com/get_video?video_id='+vidID+'&'+fv.slice(fv.indexOf('t='), fv.indexOf('&sk='));
console.log('srcWithT  '+srcWithT);
makeRequest(srcWithT);