// JavaScript Document
 var path = 'images/random/'; 
 var i, numImages = 11; 

 function randomChange() { 
    var cell = document.getElementById('random2'); 
    var randomIndex = Math.floor(Math.random() * numImages)+1; 
    cell.style.backgroundImage = 'url(' + String(path + 'randomIN' + randomIndex + '.jpg') + ')'; 
 } 
 window.onload = randomChange;