// JavaScript Document


$(document).ready(function(){

	var randomImages = ['foto1','foto2','foto3','foto4','foto5','foto6','foto7','foto8','foto9','foto10','foto11','foto12'];
	var rndNum = Math.floor(Math.random() * randomImages.length);	
	$("#extraDiv3 span").css({ background: "url(images/" + randomImages[rndNum] + ".jpg)" });
  
});