if (document.images)
{
  var img = new Image;
  
  img.src = "images/nav/home_nrm.gif";
  img.src = "images/nav/collections_nrm.gif";
  img.src = "images/nav/contact_nrm.gif";
  img.src = "images/nav/events_nrm.gif";
  img.src = "images/nav/company_nrm.gif";
  img.src = "images/nav/services_nrm.gif";
  img.src = "images/nav/styles_nrm.gif";

}

function changeimg(img, name)
{
  if (document.images)
    document.images[name].src=img;
}