var viewer = new PhotoViewer();
viewer.enableAutoPlay();

function skeleton() {};

if (!gdata) {
        var gdata = new skeleton();
        gdata.io = new skeleton();
        gdata.io.handleScriptLoaded = function(data)   
        {        
        slideshow(data);
        }
}

function slideshow(data)
{
for (var c = 0; c < data.feed.entry.length; c++)
{
var ssitem = data.feed.entry[c];
var sstitle = ssitem.title.$t;// the filename
var ssimgsrc = ssitem.content.src;//useful for downloading image
var ssheight = parseInt(ssitem.gphoto$height.$t);
var sswidth = parseInt(ssitem.gphoto$width.$t);

var ssorientation =(ssheight>sswidth ? "vert" : "hor");
var ssdescription = ssitem.media$group.media$description.$t;// Picasa Web photo caption
viewer.add(ssimgsrc + '?imgmax=640');
}
}