$(document).ready(function() {
    
	$(".thumbnail").hide();
	// GALERIE
    var delay = 100;
	var initialDelay = 500;
	
	$(".thumbnail").each(function(index) {
	    window.setTimeout(function(element) { 
	    	element.fadeIn(delay*5); 
	    } , delay * index + initialDelay, $(this));
	  });
});