<iframe width="560" height="315" src="http://www.youtube.com/embed/hG_piERa_VY?&autoplay=1" frameborder="0" allowfullscreen></iframe>
<object width="420" height="315"><param name="movie" value="//www.youtube.com/v/JkQS1MIplKI?version=3&hl=en_US&rel=0"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="//www.youtube.com/v/JkQS1MIplKI?version=3&hl=en_US&rel=0" type="application/x-shockwave-flash" width="420" height="315" allowscriptaccess="always" allowfullscreen="true"></embed></object>
<iframe width="420" height="315" src="http://www.youtube.com/embed/JkQS1MIplKI?&autoplay=1&loop=1?&playlist=JkQS1MIplKI?rel=0" frameborder="0" allowfullscreen></iframe>
<script type="text/javascript" src="http://www.youtube.com/player_api"></script>
<script type="text/javascript">
// Works in Firefox, Chrome, IE 8 and up, Opera. Page must be live in order for the script to work with IE. Thanks to jscheuer1 for the assistance
var controllable_player,start,
statechange = function(e){
if(e.data === 0){controllable_player.seekTo(0); controllable_player.playVideo()}
};
function onYouTubeIframeAPIReady() {
controllable_player = new YT.Player('controllable_player', {events: {'onStateChange': statechange}});
}
if(window.opera){
addEventListener('load', onYouTubeIframeAPIReady, false);
}
setTimeout(function(){
if (typeof(controllable_player) == 'undefined'){
onYouTubeIframeAPIReady();
}
}, 3000)
</script>
<iframe id="controllable_player" src="http://www.youtube.com/embed/JkQS1MIplKI?autoplay=1"></iframe>