Disable autoplay userscript

disableAutoplay.js

// ==UserScript==
// @id             com.phmongeau.ytnoauto
// @name           Youtube NoAuto
// @version        1.0
// @namespace      com.phmongeau.youtube.noauto
// @author         Philippe Mongeau
// @description    
// @include        *youtube.com/watch?*
// @run-at         document-start
// ==/UserScript==


document.addEventListener("DOMNodeInserted", function(e) {
    if(e.target.tagName == "VIDEO") {
        function pauseVideo(){
            if(e.target.readyState > e.target.HAVE_NOTHING){
                e.target.pause();
                e.target.currentTime = 0;
                e.target.paused ? clearInterval(intervalID) : null;
            }
        }
        var intervalID = setInterval(pauseVideo, 100);        
    }
}, false);

window.addEventListener("load", function() {
	mplayer = document.getElementById("movie_player");
    flash_vars = mplayer ? mplayer.getAttribute("flashvars"): null;
    if (flash_vars != null) {
        var m_player = document.getElementById("movie_player");
        m_player.setAttribute("flashvars", "autoplay=0&" + flash_vars);
        m_player.src += "#";
    }

    var matchTime = new RegExp("#t=([0-9].*s)");
    var splitTime = new RegExp("[hms]");
    var t = matchTime.exec(window.location.href);

    if (t.length > 1) {

        var time = 0;
        var vids = document.getElementsByTagName("video");

        var ts = t[1].split(splitTime);
        ts.pop();

        for (var i = 0; i < ts.length; ++i) {
            time += ts[i] * Math.pow(60, ts.length - i  - 1);
        }
        for (var i = 0; i < vids.length; ++i) {
            vids[i].currentTime = time;
        }
    }
}, false);

unsafeWindow.toggle = function() {
	vid = document.getElementsByTagName("video")[0];
	if(vid.paused) {
		vid.play();
	}else {
		vid.pause();
	}
}