function changeFoto(id,foto){
advAJAX.setDefaultParameters({
    onLoading : function(obj) { document.getElementById(obj.tag).innerHTML = '<div id="preloader"><img src="images/preloader.gif" alt="" /></div>'; },
    onSuccess : function(obj) { document.getElementById(obj.tag).innerHTML = obj.responseText; }
});
advAJAX.get({ url: "../kontroler/ajax.php?id="+id+"&foto="+foto, tag: "gallery_foto" });
}
			
function _geb (id) { 
	if (!document.getElementById (id)) 
	return false; 
	else 
	return document.getElementById (id); 
}