if (document.images) {
  var remote_t0 = new Image(520,294); remote_t0.src = "/images/intro/home.jpg";
  var remote_t1 = new Image(520,294); remote_t1.src = "/images/intro/about-us.jpg";
  var remote_t2 = new Image(520,294); remote_t2.src = "/images/intro/projects.jpg";
  var remote_t3 = new Image(520,294); remote_t3.src = "/images/intro/design-build-process.jpg";
  var remote_t4 = new Image(520,294); remote_t4.src = "/images/intro/real_estate_img.jpg";
  var remote_t5 = new Image(520,294); remote_t5.src = "/images/intro/pricing.jpg";
  var remote_t6 = new Image(520,294); remote_t6.src = "/images/intro/awards-publications.jpg";
  var remote_t7 = new Image(520,294); remote_t7.src = "/images/intro/contact-us.jpg";
}    
function rolloverImg(which) {
  document.getElementById('imgHolder').src=eval("remote_t" + which + ".src");
}
function rolloutImg() {
  document.getElementById('imgHolder').src=remote_t0.src;
}