var params = { allowScriptAccess: "always" };
    var atts = { id: "myytplayer" };
    swfobject.embedSWF("http://www.youtube.com/v/bct29Bp5U1U?enablejsapi=1&playerapiid=ytplayer", 
                       "ytapiplayer", "162", "112", "8", null, null, params, atts);
	
	//３．プレイヤー読み込み後に呼ばれる処理
    function onYouTubePlayerReady(playerId) {
        ytplayer = document.getElementById("myytplayer"); //プレイヤーの取得
        ytplayer.mute(); //ミュート設定
        ytplayer.playVideo(); //プレイヤー再生
    }

    //動画再生
    function play() {
        if (ytplayer) {
            ytplayer.playVideo();
        }
    }

    //動画一時停止
    function pause() {
        if (ytplayer) {
            ytplayer.pauseVideo();
        }
    }