function rand(n)
{
  return ( Math.floor ( Math.random ( ) * n + 1 ) );
}

function ShowAlbum(root)
{
	var strPhoto = "";
	var i = rand(root.feed.entry.length) - 1 ;
		var item = root.feed.entry[i];
		albumtitle = item.title.$t;
		albumcover = item.media$group.media$thumbnail[0].url;
		var description = item.media$group.media$description.$t;
		var link = item.link[0].href;
/*
	document.write( title );	
	document.write( imageurl );	
	document.write( description );	
	document.write( link );
*/
	var sUrl = link + "&kind=photo&alt=json&callback=ShowPhoto";
	//var sUrl = "http://picasaweb.google.com/data/feed/base/user/GatorLiu/albumid/4985610217842999313?kind=photo&alt=json&hl=zh_TW&callback=ShowPhoto";
	document.write('<script type="text/javascript" src="' + sUrl + '"></script>');
	return;
}

function ShowPhoto(photo)
{
	var strPhoto = "";
	for (var i = 0; i < photo.feed.entry.length; i++)
	{
		var item = photo.feed.entry[i];
		var title = item.title.$t;
		var imageurl = item.media$group.media$thumbnail[2].url;
		var description = item.media$group.media$description.$t;
		var link = item.link[2].href;
		//strPhoto = imageurl.substring(0,imageurl.length);
		strPhoto = imageurl;
		if (i == 0)
		{
			document.writeln(albumtitle + "<br /><a href=\"" + strPhoto + iSize + "\" rel=\"lightbox[picasa]\" title=\"" + description + "\"><div class=\"pgallerycontainer\"><img class=\"pgallery\" src=\"" + albumcover + "\"></div></a>");
			//document.writeln( strPhoto + iSize );
		}else
		{
			document.writeln("<a href=\"" + strPhoto + iSize + "\" rel=\"lightbox[picasa]\" title=\"" + description + "\" style=\"display:none;\"></a>");
			//document.writeln( strPhoto + iSize );
		}
	}
}

function GetParam(strInput,strName)
{
	var sObj = strInput.split("&");
	for (var iCnt = 0;iCnt < sObj.length ; iCnt++)
	{
		var s = sObj[iCnt];
		if (s.split("=")[0] == strName)
		{
			return s.split("=")[1];
		}
	}

}

var iSize = ""; //72,144,160,288,320,512,576,800
var albumcover;
var albumtitle;
var user = "GatorLiu";

document.write('<script type="text/javascript" src="js/picasawebshow/prototype.js"></script>');
document.write('<script type="text/javascript" src="js/picasawebshow/scriptaculous.js?load=effects"></script>');
document.write('<script type="text/javascript" src="js/picasawebshow/lightbox.js"></script>');
document.write('<link rel="stylesheet" href="js/picasawebshow/lightbox.css" type="text/css" media="screen" />');


function PicasaWebLoadAlbums()
{
	var sUrl = "http://picasaweb.google.com/data/feed/base/user/" + user + "?kind=album&alt=json&hl=zh_TW&callback=ShowAlbum";
	document.write('<script type="text/javascript" src="' + sUrl + '"></script>');
	return;
}

function PicasaWebShow() {
	PicasaWebLoadAlbums();
}

PicasaWebShow();