rubrikImage = new Image();
rubrikImage.src = "images/rubrik.gif";
rubrikSelectedImage = new Image();
rubrikSelectedImage.src = "images/rubrik_hovered.gif";
subItemImage = new Image();
subItemImage.src = "images/submenu.gif";
subItemSelectedImage = new Image();
subItemSelectedImage.src = "images/submenu_hovered.gif";

function navOver(selectedImage, statusmessage)
{
  selectedImage.src = rubrikSelectedImage.src;
  window.status = statusmessage;
}
function navOut(selectedImage)
{
  selectedImage.src = rubrikImage.src;
  window.status = '';
}
function navSubOver(selectedImage,statusmessage)
{
  selectedImage.src = subItemSelectedImage.src;
  window.status = statusmessage;
}
function navSubOut(selectedImage)
{
  selectedImage.src = subItemImage.src;
  window.status = '';
}