images = new Array(4);
images[0]="rotate1.jpg";
images[1]="rotate2.jpg";
images[2]="rotate3.jpg";
images[3]="rotate4.jpg";
index = Math.floor(Math.random() * images.length);
imgstr = "<img src='img/"+images[index]+"' width='684' height='337' alt='Heritage Real Estate Group, LLC | Arizona Real Estate Professionals'/>";
document.write(imgstr);