var youtubeEmbed = function() {

        var v = document.getElementsByClassName("youtube-player");

        for (var n = 0; n < v.length; n++) {

            if (!$(v[n]).hasClass('youtube-player-done')) {

                $(v[n]).addClass('youtube-player-done');

                var p = document.createElement("div");

                p.innerHTML = labnolThumb(v[n].dataset.id);

                p.onclick = labnolIframe;

                v[n].appendChild(p);

            }

        }

    };



    youtubeEmbed();



    function labnolThumb(id) {

        if (id.indexOf('?') > -1) {

            id = id.substring(0, id.indexOf('?'));

        }

        return '<img class="youtube-thumb" src="//i.ytimg.com/vi/' + id + '/hqdefault.jpg"><div class="play-button"></div>';

    }



    function labnolIframe() {

        var mark = '?';



        if (this.parentNode.dataset.id.indexOf('?') > -1) {

            var end = this.parentNode.dataset.id.substring(this.parentNode.dataset.id.indexOf("?") + 1),

                regex,

                tmp,

                seconds = 0;



            end = end.replace('start=', '');

            mark = '&';



            if (end.indexOf('s') > -1) {

                regex = /([\d]+)s/g;

                tmp = regex.exec(end);

                seconds = seconds + parseInt(tmp[1]);

            }



            if (end.indexOf('m') > -1) {

                regex = /([\d]+)m/g;

                tmp = regex.exec(end);



                seconds = seconds + (60 * parseInt(tmp[1]));

            }



            if (end.indexOf('h') > -1) {

                regex = /([\d]+)h/g;

                tmp = regex.exec(end);



                seconds = seconds + (3600 * parseInt(tmp[1]));

            }



            if (seconds !== 0) {

                this.parentNode.dataset.id = this.parentNode.dataset.id.substring(0, this.parentNode.dataset.id.indexOf("?")) + '?start=' + seconds;

            }

        }

        

        var iframe = document.createElement("iframe");

        iframe.setAttribute("src", "//www.youtube.com/embed/" + this.parentNode.dataset.id + mark + 

"autoplay=1&autohide=0&border=0&wmode=opaque&enablejsapi=1&controls=2&showinfo=1&disablekb=1&fs=1&origin=sg.hu");

        iframe.setAttribute("frameborder", "0");

        iframe.setAttribute("id", "youtube-iframe");

        iframe.setAttribute('allowfullscreen', '1');

        this.parentNode.replaceChild(iframe, this);

    }