var galery = null;
var offset = 0;
$(function(){
   $.get("getgalery.html", {}, function(data){
        galery = data.split(',');
        setInterval(switchImage, 4000);
   });
});

function switchImage() {
   $("#photo-in img").ImageSwitch({
       NewImage: "images-galerie/" + galery[offset++%galery.length]
   });
}