<!--
if (document.images) {
  cache_it = new Image();
  cache_it.src = "img/homeb.gif";
  cache_it = new Image();
  cache_it.src = "img/productsb.gif";
  cache_it = new Image();
  cache_it.src = "img/faqb.gif";
  cache_it = new Image();
  cache_it.src = "img/contactb.gif";
  cache_it = new Image();
  cache_it.src = "img/orderb.gif";
}

function turnOn(imageName) {
  if (document.images) {
    document[imageName].src = "img/" + imageName + "b.gif";
  }
}

function turnOff(imageName) {
  if (document.images) {
    document[imageName].src = "img/" + imageName + "a.gif";
  }
}
// -->