// Get random image
var randImg = new Array('main-cta-1','main-cta-2','main-cta-3','main-cta-4');
var randLink = new Array();
var max = randImg.length;
var num = Math.floor((Math.random() * max));
document.write('<img src="images/'+randImg[num]+'.jpg" alt="Acheive the shape you want in half the time" width="696" height="260" />');