/*var playlistid = "AE8ED9740D0B67A3";*/
var playlistid = "AE8ED9740D0B67A3";

var src = "";
var listlengthcheck = "http://gdata.youtube.com/feeds/api/playlists/"+playlistid+"?v=2&alt=jsonc&max-results=1&callback=listlength"
document.write('<scr'+'ipt type="text/javascript" src="' + listlengthcheck + '"></scr'+'ipt>');

function listlength (youtube) {
	var totalItems = Math.ceil(youtube.data.totalItems/10);
	var results = new Array("1","11","21","31","41","51","61","71","81","91","101","111","121","131","141","151","161","171","181","191");
	var index = results[Math.floor(Math.random() * totalItems)];
	var listurl = "http://gdata.youtube.com/feeds/api/playlists/"+playlistid+"?v=2&alt=jsonc&start-index="+index+"&max-results=10&callback=ylistrandom";  	
	document.write('<scr'+'ipt type="text/javascript" src="' + listurl + '"></scr'+'ipt>');
}

function ylistrandom (youtube) {
	var entries = youtube.data.items;
	var params = { allowScriptAccess: "always" };
	var atts = { id: "myytplayer" };
	src= entries[Math.floor(Math.random()*entries.length)].video.id;
	var url = "http://www.youtube.com/v/" + src + "&enablejsapi=1&playerapiid=ytplayer&rel=0";
	//２．プレイヤーの読み込み（読み込む動画の設定）
	swfobject.embedSWF(url,
				 "ytapiplayer", "640", "385", "8", null, null, params, atts);

	//document.write('<embed src="http://www.youtube.com/v/' + src + '&hl=ja_JP&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="640" height="385"></embed>');

}
	
//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
}