Stop autoplay on Youtube

stop autoplay.js

try {
			var playerelement=document.getElementById("movie_player");
			playerelement.mute();
			// Possible values are unstarted (-1), ended (0), playing (1), paused (2), buffering (3), video cued (5)
			if (playerelement.getPlayerState() == 1) {
				if (last_time < 0.01) { // we'll let the player play atleast 0.01 seconds before agreeing that we have a valid time value
					last_time = playerelement.getCurrentTime();  // getPlayerState() returns a value, therefore getCurrentTime() should too
				}
				if ((playerelement.getCurrentTime() - last_time) < 0) {  // oops, timetravel!
					last_time = playerelement.getCurrentTime();
				} else if ((playerelement.getCurrentTime() - last_time) < 0.01) {  // before agreeing with the youtube player that the video is playing, let's check that the timecode actually changes
					// we'll bid our time for one more cycle to get a second sample
				} else {	// timestamps did not match.. so let's make it stop
					playerelement.pauseVideo();
					if ( window.location.href.indexOf("#t=") == -1 ) {
						playerelement.seekTo(0,0);
					}
					zombieguard = 3; //here we define the "lives" of the stop-loop, keeping it on for this many cycles to make sure the video stays stopped
				}
			} else if (last_time >= 0.01 && playerelement.getPlayerState() == 2) {
				if (zombieguard > 0) {
					zombieguard -= 1;	// loop has one less lives
				} else {
					playerelement.unMute();
					clearInterval(tubestoploop);	// we're done.. commit suicide
				}
			}
		}