// horizontal nav over images
  over_home = new Image;
  over_home.src = "images/nav/home_over.gif";
  over_location = new Image;
  over_location.src = "images/nav/location_over.gif";
  over_racing = new Image;
  over_racing.src = "images/nav/racing_over.gif";
  over_enter = new Image;
  over_enter.src = "images/nav/enter_over.gif";
  over_partners = new Image;
  over_partners.src = "images/nav/partners_over.gif";
   
  
  
// horizontal nav off images
  off_home = new Image;
  off_home.src = "images/nav/home_off.gif";
  off_location = new Image;
  off_location.src = "images/nav/location_off.gif";
  off_racing = new Image;
  off_racing.src = "images/nav/racing_off.gif";
  off_enter = new Image;
  off_enter.src = "images/nav/enter_off.gif";
  off_partners = new Image;
  off_partners.src = "images/nav/partners_off.gif";


  

// primary nav on images
  on_home = new Image;
  on_home.src = "images/nav/home_on.gif";
  on_location = new Image;
  on_location.src = "images/nav/location_on.gif";
  on_racing = new Image;
  on_racing.src = "images/nav/racing_on.gif";
  on_enter = new Image;
  on_enter.src = "images/nav/enter_on.gif";
  on_partners = new Image;
  on_partners.src = "images/nav/partners_on.gif"; 

  

// function for the rollovers
  function ImgFunc(imgDocID, imgObjName) {
      document.images[imgDocID].src = eval(imgObjName + ".src")
}